What are the cheapest airlines to fly from Canada to St. Louis one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 242. Delta flights start at C$ 265 while deals on Air Canada start at C$ 265 one-way.

What are the most popular routes from Canada to St. Louis?

While some choose either Vancouver Intl - Lambert-St Louis or Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis, Toronto Pearson Intl - Lambert-St Louis is the most popular route from Canada to St. Louis.

What are the cheapest flights from Canada to St. Louis?

On average you can expect to pay C$ 564 for a flight from Canada to St. Louis. The cheapest flight overall is C$ 229 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 466.

What are the most reliable airlines from Canada to St. Louis?

Before booking your flight to St. Louis from Canada, check out the most reliable airlines to get you to your destination on time: Air Canada (79%), Jazz (79%), United Airlines( 79%).

How far in advance should I book a flight from Canada to St. Louis?

Find a great deal and save up to 158% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Canada to St. Louis within the next two weeks, with the cheapest ticket starting at C$ 694.

What is the cheapest month to fly from Canada to St. Louis?

The best pricing can be found in the month of February. Prices to St. Louis from Canada average C$ 687. You can even find prices in February for less than C$ 687, as users have found deals to St. Louis from as low as C$ 498. The month of January appears to be one of the more expensive times to travel to St. Louis from Canada. Flying in the targeted month can save you up to 10%.

What airport do you fly into for flights to St. Louis from Canada?

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Canada to St. Louis. It is only a 20.4 km journey from Lambert-St Louis (STL) to St. Louis’s city centre.

Can I find deals for flights from Canada to St. Louis that include hotel bookings?

Yes. In addition to deals on Canada to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Canada to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to St. Louis.

Can I find deals for business class flights from Canada to St. Louis?

Yes. Cheapflights offers flight deals from Canada to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 516+ Flights from Canada to St. Louis

Cheap flight deals from Canada to St. Louis

Round-trip from	C$ 384
One-way from	C$ 223
Good round-trip deal	C$ 691 or less
Good one-way deal	C$ 261 or less

11/3-18/3
2 total stops
34h 09m total
Canada to St. Louis

Search Deals

11/3
2 total stops
14h 16m total
Canada to St. Louis

Search Deals

Price to beat on a round-trip flight from Canada to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Canada to Lambert-St Louis.

Search Deals

Find flight deals from Canada to St. Louis

Cheapest flights from Canada to St. Louis
Explore the most affordable flight options available from Canada to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Tue 11/36:30 a.m.YUL - STL

1 stop11h 12mMultiple Airlines

Tue 18/35:38 p.m.STL - YUL

1 stop22h 57mMultiple Airlines

Deal found 20/1C$ 384

Mon 3/23:00 p.m.YVR - STL

2 stops19h 48mMultiple Airlines

Mon 10/23:50 p.m.STL - YVR

1 stop8h 25mMultiple Airlines

Deal found 20/1C$ 423

Mon 3/21:40 p.m.YVR - STL

1 stop7h 16mAmerican Airlines

Mon 10/27:00 a.m.STL - YVR

1 stop7h 44mAmerican Airlines

Deal found 20/1C$ 429

Tue 4/32:09 p.m.YYC - STL

1 stop5h 35mUnited Airlines

Tue 11/38:20 a.m.STL - YYC

1 stop7h 01mUnited Airlines

Deal found 21/1C$ 455

Fri 28/211:35 a.m.YVR - STL

2 stops11h 03mDelta

Sat 8/37:40 a.m.STL - YVR

2 stops12h 59mDelta

Deal found 20/1C$ 456

Tue 4/36:35 a.m.YYC - STL

2 stops14h 14mDelta

Tue 11/311:19 a.m.STL - YYC

2 stops12h 57mDelta

Deal found 21/1C$ 459

Mon 3/211:20 p.m.YVR - STL

2 stops14h 18mAir Canada

Mon 10/22:55 p.m.STL - YVR

2 stops12h 16mAir Canada

Deal found 20/1C$ 462

Fri 18/411:00 p.m.YVR - STL

1 stop10h 45mWestJet

Sat 19/45:40 p.m.STL - YVR

2 stops24h 12mWestJet

Deal found 20/1C$ 478

Thu 20/36:30 a.m.YVR - STL

1 stop7h 01mUnited Airlines

Mon 24/31:45 p.m.STL - YVR

1 stop9h 58mUnited Airlines

Deal found 20/1C$ 517

Mon 3/312:30 a.m.YYC - STL

1 stop7h 50mWestJet

Tue 11/36:00 a.m.STL - YYC

2 stops11h 16mWestJet

Deal found 21/1C$ 522

Mon 3/312:20 a.m.YYC - STL

2 stops13h 22mMultiple Airlines

Tue 11/35:38 p.m.STL - YYC

3 stops28h 53mMultiple Airlines

Deal found 21/1C$ 567

Thu 20/211:20 a.m.YUL - STL

1 stop10h 42mDelta

Thu 27/210:20 a.m.STL - YUL

1 stop9h 43mDelta

Deal found 21/1C$ 573

Best flights from Canada to St. Louis
Discover carefully curated flight deals from Canada to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 January 2025.

Tue 11/36:30 a.m.YUL - STL

1 stop11h 12mMultiple Airlines

Tue 18/35:38 p.m.STL - YUL

1 stop22h 57mMultiple Airlines

Deal found 20/1C$ 384

Mon 3/21:40 p.m.YVR - STL

1 stop7h 16mAmerican Airlines

Mon 10/27:00 a.m.STL - YVR

1 stop7h 44mAmerican Airlines

Deal found 20/1C$ 429

Tue 4/32:09 p.m.YYC - STL

1 stop5h 35mUnited Airlines

Tue 11/38:20 a.m.STL - YYC

1 stop7h 01mUnited Airlines

Deal found 21/1C$ 455

Fri 28/211:35 a.m.YVR - STL

2 stops11h 03mDelta

Sat 8/37:40 a.m.STL - YVR

2 stops12h 59mDelta

Deal found 20/1C$ 456

Mon 3/211:20 p.m.YVR - STL

2 stops14h 18mAir Canada

Mon 10/22:55 p.m.STL - YVR

2 stops12h 16mAir Canada

Deal found 20/1C$ 462

Fri 18/411:00 p.m.YVR - STL

1 stop10h 45mWestJet

Sat 19/45:40 p.m.STL - YVR

2 stops24h 12mWestJet

Deal found 20/1C$ 478

Sun 13/46:05 a.m.YUL - STL

1 stop5h 24mKLM

Wed 16/46:00 a.m.STL - YUL

1 stop14h 26mKLM

Deal found 21/1C$ 712

Fri 28/24:20 p.m.YYZ - STL

1 stop23h 05mAlaska Airlines

Sun 2/37:00 a.m.STL - YYZ

1 stop30h 55mAlaska Airlines

Deal found 21/1C$ 728

Mon 3/23:00 p.m.YVR - STL

2 stops19h 48mMultiple Airlines

Mon 10/23:50 p.m.STL - YVR

1 stop8h 25mMultiple Airlines

Deal found 20/1C$ 423

Tue 4/36:35 a.m.YYC - STL

2 stops14h 14mDelta

Tue 11/311:19 a.m.STL - YYC

2 stops12h 57mDelta

Deal found 21/1C$ 459

Thu 20/36:30 a.m.YVR - STL

1 stop7h 01mUnited Airlines

Mon 24/31:45 p.m.STL - YVR

1 stop9h 58mUnited Airlines

Deal found 20/1C$ 517

Mon 3/312:30 a.m.YYC - STL

1 stop7h 50mWestJet

Tue 11/36:00 a.m.STL - YYC

2 stops11h 16mWestJet

Deal found 21/1C$ 522

Direct flights from Canada to St. Louis
Explore direct flight options from Canada to St. Louis based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 January 2025.

Thu 13/21:50 p.m.YYZ - STL

Nonstop2h 16mAir Canada

Sun 16/23:50 p.m.STL - YYZ

Nonstop1h 55mAir Canada

Deal found 20/1C$ 684

Sat 1/31:50 p.m.YYZ - STL

Nonstop2h 16mMultiple Airlines

Tue 4/33:50 p.m.STL - YYZ

Nonstop1h 55mMultiple Airlines

Deal found 19/1C$ 702

Wed 26/21:50 p.m.YYZ - STL

Nonstop2h 16mUnited Airlines

Mon 3/33:50 p.m.STL - YYZ

Nonstop1h 55mUnited Airlines

Deal found 21/1C$ 714

Wed 28/56:10 p.m.YUL - STL

Nonstop2h 51mMultiple Airlines

Sat 31/51:30 p.m.STL - YUL

Nonstop2h 30mMultiple Airlines

Deal found 21/1C$ 851

Fri 16/56:10 p.m.YUL - STL

Nonstop2h 51mAir Canada

Mon 19/51:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Deal found 21/1C$ 963

Last-minute flights from Canada to St. Louis
Discover last-minute flight deals from Canada to St. Louis. Data last updated 21 January 2025 and is based on user searches.

Sat 25/16:00 a.m.YHZ - STL

2 stops32h 32mWestJet

Mon 27/15:00 p.m.STL - YHZ

2 stops36h 30mWestJet

Deal found 20/1C$ 653

Sun 26/17:05 a.m.YYZ - STL

1 stop8h 38mMultiple Airlines

Mon 27/15:05 p.m.STL - YYZ

1 stop17h 40mMultiple Airlines

Deal found 20/1C$ 596

Sun 26/16:40 p.m.YYZ - STL

1 stop5h 50mUnited Airlines

Mon 27/13:50 p.m.STL - YYZ

Nonstop1h 55mUnited Airlines

Deal found 20/1C$ 1,321

Mon 27/11:50 p.m.YYZ - STL

Nonstop2h 16mAir Canada

Mon 3/211:30 a.m.STL - YYZ

1 stop4h 16mAir Canada

Deal found 20/1C$ 996

Fri 31/11:20 p.m.YYZ - STL

1 stop4h 17mWestJet

Tue 4/25:50 p.m.STL - YYZ

1 stop3h 59mWestJet

Deal found 21/1C$ 1,328

Mon 3/23:00 p.m.YVR - STL

2 stops19h 48mMultiple Airlines

Mon 10/23:50 p.m.STL - YVR

1 stop8h 25mMultiple Airlines

Deal found 20/1C$ 423

Mon 3/21:40 p.m.YVR - STL

1 stop7h 16mAmerican Airlines

Mon 10/27:00 a.m.STL - YVR

1 stop7h 44mAmerican Airlines

Deal found 20/1C$ 429

Mon 3/211:20 p.m.YVR - STL

2 stops14h 18mAir Canada

Mon 10/22:55 p.m.STL - YVR

2 stops12h 16mAir Canada

Deal found 20/1C$ 462

Fri 14/29:00 a.m.YYC - STL

2 stops12h 17mWestJet

Wed 19/26:00 a.m.STL - YYC

2 stops11h 16mWestJet

Deal found 21/1C$ 581

Mon 17/25:10 a.m.YHZ - STL

2 stops12h 30mUnited Airlines

Sat 22/23:50 p.m.STL - YHZ

1 stop6h 56mUnited Airlines

Deal found 19/1C$ 615

Thu 20/211:20 a.m.YUL - STL

1 stop10h 42mDelta

Thu 27/210:20 a.m.STL - YUL

1 stop9h 43mDelta

Deal found 21/1C$ 573

Sun 23/26:45 a.m.YUL - STL

2 stops41h 58mMultiple Airlines

Thu 27/24:00 p.m.STL - YUL

1 stop22h 10mMultiple Airlines

Deal found 20/1C$ 599

One-way flights from Canada to St. Louis
Search for one-way flight options from Canada to St. Louis. Find affordable one-way fares based on user searches. Data last updated 21 January 2025.

Tue 11/38:00 p.m.YYZ - STL

2 stops14h 16mMultiple Airlines

Deal found 21/1C$ 223

Mon 10/25:30 p.m.YVR - STL

2 stops37h 46mMultiple Airlines

Deal found 20/1C$ 236

Thu 6/38:30 a.m.YVR - STL

1 stop11h 04mUnited Airlines

Deal found 20/1C$ 242

Fri 7/36:30 a.m.YXE - STL

3 stops29h 04mMultiple Airlines

Deal found 21/1C$ 260

Fri 7/312:40 p.m.YYC - STL

1 stop10h 58mDelta

Deal found 20/1C$ 265

Mon 10/210:40 p.m.YVR - STL

1 stop14h 26mAir Canada

Deal found 20/1C$ 265

Sun 23/26:45 a.m.YUL - STL

3 stops56h 57mMultiple Airlines

Deal found 20/1C$ 278

Thu 20/210:30 a.m.YQB - STL

1 stop5h 36mUnited Airlines

Deal found 20/1C$ 282

Fri 7/39:45 a.m.YEG - STL

1 stop24h 49mMultiple Airlines

Deal found 21/1C$ 289

Fri 7/36:00 a.m.YYC - STL

2 stops27h 59mWestJet

Deal found 20/1C$ 295

Thu 20/26:45 a.m.YQB - STL

2 stops9h 55mAir Canada

Deal found 20/1C$ 295

Tue 8/712:00 p.m.YVR - STL

1 stop7h 31mWestJet

Deal found 19/1C$ 320

Find flights from Canada to St. Louis within your budget

Fly from

Fly to

Route

Depart

Return

Price

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 11/3

6:30 a.m.-4:42 p.m.

1 stop11h 12m

Lambert-St Louis

Tue 18/3

5:38 p.m.-5:35 p.m.

1 stop22h 57m

C$ 384

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 3/2

3:00 p.m.-12:48 p.m.

2 stops19h 48m

Lambert-St Louis

Mon 10/2

3:50 p.m.-10:15 p.m.

1 stop8h 25m

C$ 423

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 3/2

1:40 p.m.-10:56 p.m.

1 stop7h 16m

Lambert-St Louis

Mon 10/2

7:00 a.m.-12:44 p.m.

1 stop7h 44m

C$ 429

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 4/3

2:09 p.m.-8:44 p.m.

1 stop5h 35m

Lambert-St Louis

Tue 11/3

8:20 a.m.-2:21 p.m.

1 stop7h 01m

C$ 455

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 28/2

11:35 a.m.-12:38 a.m.

2 stops11h 03m

Lambert-St Louis

Sat 8/3

7:40 a.m.-6:39 p.m.

2 stops12h 59m

C$ 456

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 4/3

6:35 a.m.-9:49 p.m.

2 stops14h 14m

Lambert-St Louis

Tue 11/3

11:19 a.m.-11:16 p.m.

2 stops12h 57m

C$ 459

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 3/2

11:20 p.m.-3:38 p.m.

2 stops14h 18m

Lambert-St Louis

Mon 10/2

2:55 p.m.-1:11 a.m.

2 stops12h 16m

C$ 462

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 18/4

11:00 p.m.-11:45 a.m.

1 stop10h 45m

Lambert-St Louis

Sat 19/4

5:40 p.m.-3:52 p.m.

2 stops24h 12m

C$ 478

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Thu 20/3

6:30 a.m.-3:31 p.m.

1 stop7h 01m

Lambert-St Louis

Mon 24/3

1:45 p.m.-9:43 p.m.

1 stop9h 58m

C$ 517

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 3/3

12:30 a.m.-9:20 a.m.

1 stop7h 50m

Lambert-St Louis

Tue 11/3

6:00 a.m.-4:16 p.m.

2 stops11h 16m

C$ 522

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 58 results

...

Best time to book a flight from Canada to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Canada with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Canada to St. Louis

Get recent, data-driven insights about flights from Canada to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Canada to St. Louis?

Currently, January is the cheapest month in which you can book a flight from Canada to St. Louis (average of C$ 365). Flying from Canada to St. Louis in September is currently the most expensive (average of C$ 491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to STL?

When flying from Canada to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Canada to St. Louis

The most flights from CA0 to STL are scheduled on a Monday (2 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with WestJet, American Airlines and Air Canada from Canada to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,706 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,521 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

KLM

7.8

Good

1,341 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,985 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly into for flights to St. Louis from Canada?
Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Canada to St. Louis. It is only a 20.4 km journey from Lambert-St Louis (STL) to St. Louis’s city centre.
What are the cheapest airlines to fly from Canada to St. Louis one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 242. Delta flights start at C$ 265 while deals on Air Canada start at C$ 265 one-way.
What are the most popular routes from Canada to St. Louis?
While some choose either Vancouver Intl - Lambert-St Louis or Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis, Toronto Pearson Intl - Lambert-St Louis is the most popular route from Canada to St. Louis.
What are the most reliable airlines from Canada to St. Louis?
Before booking your flight to St. Louis from Canada, check out the most reliable airlines to get you to your destination on time: Air Canada (79%), Jazz (79%), United Airlines( 79%).
What are the cheapest flights from Canada to St. Louis?
On average you can expect to pay C$ 564 for a flight from Canada to St. Louis. The cheapest flight overall is C$ 229 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 466.
Can I find deals for flights from Canada to St. Louis that include hotel bookings?
Yes. In addition to deals on Canada to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Canada to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to St. Louis.
Can I find deals for business class flights from Canada to St. Louis?
Yes. Cheapflights offers flight deals from Canada to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Canada to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Canada to St. Louis (average of C$ 365). Flying from Canada to St. Louis in September is currently the most expensive (average of C$ 491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

St. Peters

Chesterfield

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Canada to St. Louis

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Complete your trip

St. Louis car rentals

Lambert-St Louis Airport car rentals

Belleville Airport car rentals

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The Hill car rentals

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Top 4 airlines flying from Canada to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 210	AverageC$ 793	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 260	AverageC$ 739	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 266	AverageC$ 779	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 381	AverageC$ 475	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Fly with Cheapflights

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Canada to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Canada to St. Louis?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Canada to St. Louis for you. Better yet — we are completely free to use.

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Yes! Cheapflights helps users easily find flights from Canada to St. Louis with no change fees.

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Cheap flights from Canada to St. Louis from C$ 223

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Canada to St. Louis

Round-trip from

One-way from

Good round-trip deal

Good one-way deal

Find flight deals from Canada to St. Louis

Cheapest flights from Canada to St. LouisExplore the most affordable flight options available from Canada to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Explore the most affordable flight options available from Canada to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Find flights from Canada to St. Louis within your budget

Best time to book a flight from Canada to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Canada with our price prediction graph.

Travel insights for flights from Canada to St. Louis

Get recent, data-driven insights about flights from Canada to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Canada to St. Louis?

What is the cheapest time of day to fly from CA to STL?

Find hourly flight availability from Canada to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

Weekly flight availability from Canada to St. Louis

Explore weekly flight availability from Canada to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 January 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with WestJet, American Airlines and Air Canada from Canada to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Canada to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to St. Louis from Canada?

What are the cheapest airlines to fly from Canada to St. Louis one-way?

What are the most popular routes from Canada to St. Louis?

What are the most reliable airlines from Canada to St. Louis?

What are the cheapest flights from Canada to St. Louis?

Can I find deals for flights from Canada to St. Louis that include hotel bookings?

How can I find direct flights from Canada to St. Louis?

Can I find deals for business class flights from Canada to St. Louis?

What is the cheapest month to book a flight from Canada to St. Louis?

Travelling to a place near Canada?

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Alternative routes for Canada to St. Louis

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Top 4 airlines flying from Canada to St. Louis

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Cheapest flights from Canada to St. Louis
Explore the most affordable flight options available from Canada to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.