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

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 219. American Airlines flights start at C$ 240 while deals on Delta start at C$ 243 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$ 783 for a flight from Canada to St. Louis. The cheapest flight overall is C$ 509 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 398.

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 (70%), Jazz (70%), United Airlines( 70%).

What are the most popular airlines that fly from Canada to St. Louis?

Before booking your flight from Canada to St. Louis check out the most popular airlines for this route: Air Canada, United Airlines or WestJet.

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

Find a great deal and save up to 224% by booking at least 47 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$ 702.

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

The best pricing can be found in the month of May. Prices to St. Louis from Canada average C$ 691. You can even find prices in May for less than C$ 691, as users have found deals to St. Louis from as low as C$ 311. 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 11%.

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$ 510+ Flights from Canada to St. Louis

Cheap flight deals from Canada to St. Louis

Round-trip from	C$ 425
One-way from	C$ 219
Popular in	January
Cheapest in	May
Average price	C$ 705
Good round-trip deal	C$ 636 or less
Good one-way deal	C$ 808 or less

Air Canada
10/3-17/3
2 total stops
24h 02m total
Canada to St. Louis

Search Deals

Air Canada
8/4
1 total stop
11h 15m total
Canada to St. Louis

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (C$ 66 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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 February 2025.

Mon 10/36:00 p.m.YVR - STL

1 stop16h 43mAir Canada

Mon 17/35:33 p.m.STL - YVR

1 stop7h 19mAir Canada

Deal found 20/2C$ 425

Sat 5/48:35 a.m.YVR - STL

1 stop5h 56mUnited Airlines

Sat 12/49:39 a.m.STL - YVR

1 stop10h 40mUnited Airlines

Deal found 20/2C$ 426

Sat 5/43:55 p.m.YUL - STL

1 stop26h 57mMultiple Airlines

Tue 15/46:11 p.m.STL - YUL

1 stop19h 44mMultiple Airlines

Deal found 20/2C$ 428

Sun 2/36:35 a.m.YYC - STL

1 stop9h 18mDelta

Sat 8/35:00 p.m.STL - YYC

1 stop7h 15mDelta

Deal found 20/2C$ 457

Thu 27/26:14 a.m.YYC - STL

1 stop9h 19mAir Canada

Tue 18/31:45 p.m.STL - YYC

1 stop8h 56mAir Canada

Deal found 20/2C$ 462

Mon 10/37:00 a.m.YVR - STL

2 stops9h 33mDelta

Mon 17/37:30 p.m.STL - YVR

2 stops17h 00mDelta

Deal found 20/2C$ 467

Wed 19/37:10 a.m.YHZ - STL

2 stops10h 21mUnited Airlines

Wed 26/37:30 a.m.STL - YHZ

1 stop6h 39mUnited Airlines

Deal found 19/2C$ 470

Mon 31/38:55 a.m.YVR - STL

2 stops12h 31mWestJet

Sun 6/46:00 a.m.STL - YVR

1 stop7h 49mWestJet

Deal found 20/2C$ 496

Tue 1/46:00 a.m.YYC - STL

2 stops9h 52mWestJet

Wed 16/411:23 a.m.STL - YYC

2 stops8h 42mWestJet

Deal found 20/2C$ 506

Sun 13/412:45 a.m.YEG - STL

2 stops39h 31mMultiple Airlines

Tue 22/46:11 p.m.STL - YEG

3 stops31h 21mMultiple Airlines

Deal found 19/2C$ 511

Sun 6/411:30 a.m.YYC - STL

2 stops31h 40mMultiple Airlines

Sun 13/412:15 p.m.STL - YYC

2 stops32h 21mMultiple Airlines

Deal found 20/2C$ 531

Fri 4/41:40 p.m.YYZ - STL

Nonstop2h 09mAir Canada

Fri 11/43:30 p.m.STL - YYZ

Nonstop2h 00mAir Canada

Deal found 19/2C$ 577

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 February 2025.

Mon 10/36:00 p.m.YVR - STL

1 stop16h 43mAir Canada

Mon 17/35:33 p.m.STL - YVR

1 stop7h 19mAir Canada

Deal found 20/2C$ 425

Sat 5/48:35 a.m.YVR - STL

1 stop5h 56mUnited Airlines

Sat 12/49:39 a.m.STL - YVR

1 stop10h 40mUnited Airlines

Deal found 20/2C$ 426

Sat 5/43:55 p.m.YUL - STL

1 stop26h 57mMultiple Airlines

Tue 15/46:11 p.m.STL - YUL

1 stop19h 44mMultiple Airlines

Deal found 20/2C$ 428

Sun 2/36:35 a.m.YYC - STL

1 stop9h 18mDelta

Sat 8/35:00 p.m.STL - YYC

1 stop7h 15mDelta

Deal found 20/2C$ 457

Mon 31/38:55 a.m.YVR - STL

2 stops12h 31mWestJet

Sun 6/46:00 a.m.STL - YVR

1 stop7h 49mWestJet

Deal found 20/2C$ 496

Tue 1/411:30 a.m.YYZ - STL

1 stop11h 48mAmerican Airlines

Sat 5/412:00 p.m.STL - YYZ

1 stop10h 25mAmerican Airlines

Deal found 19/2C$ 594

Mon 10/37:00 a.m.YVR - STL

2 stops9h 33mDelta

Mon 17/37:30 p.m.STL - YVR

2 stops17h 00mDelta

Deal found 20/2C$ 467

Wed 19/37:10 a.m.YHZ - STL

2 stops10h 21mUnited Airlines

Wed 26/37:30 a.m.STL - YHZ

1 stop6h 39mUnited Airlines

Deal found 19/2C$ 470

Tue 1/46:00 a.m.YYC - STL

2 stops9h 52mWestJet

Wed 16/411:23 a.m.STL - YYC

2 stops8h 42mWestJet

Deal found 20/2C$ 506

Sun 13/412:45 a.m.YEG - STL

2 stops39h 31mMultiple Airlines

Tue 22/46:11 p.m.STL - YEG

3 stops31h 21mMultiple Airlines

Deal found 19/2C$ 511

Fri 11/44:30 p.m.YYZ - STL

2 stops17h 31mAlaska Airlines

Fri 18/43:11 p.m.STL - YYZ

2 stops20h 24mAlaska Airlines

Deal found 19/2C$ 1,152

Fri 4/41:40 p.m.YYZ - STL

Nonstop2h 09mAir Canada

Fri 11/43:30 p.m.STL - YYZ

Nonstop2h 00mAir Canada

Deal found 19/2C$ 577

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 February 2025.

Fri 4/41:40 p.m.YYZ - STL

Nonstop2h 09mAir Canada

Fri 11/43:30 p.m.STL - YYZ

Nonstop2h 00mAir Canada

Deal found 19/2C$ 577

Sun 6/41:40 p.m.YYZ - STL

Nonstop2h 09mUnited Airlines

Sun 13/43:30 p.m.STL - YYZ

Nonstop2h 00mUnited Airlines

Deal found 19/2C$ 597

Thu 15/56:10 p.m.YUL - STL

Nonstop2h 51mAir Canada

Sat 17/51:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Deal found 20/2C$ 629

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

Wed 26/26:30 a.m.YYZ - STL

1 stop9h 20mWestJet

Tue 4/33:35 p.m.STL - YYZ

1 stop6h 32mWestJet

Deal found 19/2C$ 705

Wed 26/27:55 a.m.YYZ - STL

1 stop9h 54mDelta

Tue 4/31:35 p.m.STL - YYZ

1 stop9h 04mDelta

Deal found 20/2C$ 777

Thu 27/26:14 a.m.YYC - STL

1 stop9h 19mAir Canada

Tue 18/31:45 p.m.STL - YYC

1 stop8h 56mAir Canada

Deal found 20/2C$ 462

Fri 28/27:10 a.m.YYZ - STL

1 stop17h 33mMultiple Airlines

Fri 7/39:50 a.m.STL - YYZ

2 stops10h 35mMultiple Airlines

Deal found 19/2C$ 589

Sat 1/312:30 a.m.YYC - STL

1 stop10h 16mWestJet

Sat 8/34:40 p.m.STL - YYC

1 stop19h 02mWestJet

Deal found 20/2C$ 538

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

Nonstop2h 16mAir Canada

Sat 8/35:33 p.m.STL - YYZ

1 stop4h 38mAir Canada

Deal found 19/2C$ 784

Sat 1/34:20 p.m.YYZ - STL

2 stops31h 48mAlaska Airlines

Fri 7/37:00 a.m.STL - YYZ

2 stops28h 25mAlaska Airlines

Deal found 19/2C$ 1,912

Sun 2/36:35 a.m.YYC - STL

1 stop9h 18mDelta

Sat 8/35:00 p.m.STL - YYC

1 stop7h 15mDelta

Deal found 20/2C$ 457

Sun 2/37:20 a.m.YYZ - STL

2 stops8h 19mUnited Airlines

Sat 8/311:05 a.m.STL - YYZ

2 stops8h 20mUnited Airlines

Deal found 19/2C$ 865

Sun 2/35:15 p.m.YUL - STL

1 stop20h 13mWestJet

Fri 7/36:06 a.m.STL - YUL

1 stop13h 57mWestJet

Deal found 20/2C$ 1,004

Sun 2/39:15 a.m.YUL - STL

1 stop6h 51mAir Canada

Fri 7/37:00 a.m.STL - YUL

1 stop9h 08mAir Canada

Deal found 20/2C$ 1,053

Sun 2/32:20 p.m.YUL - STL

1 stop6h 13mAmerican Airlines

Fri 7/37:05 a.m.STL - YUL

2 stops8h 45mAmerican Airlines

Deal found 20/2C$ 1,134

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 February 2025.

Tue 8/48:35 a.m.YVR - STL

1 stop11h 15mAir Canada

Deal found 20/2C$ 219

Tue 11/36:45 a.m.YUL - STL

2 stops10h 57mMultiple Airlines

Deal found 18/2C$ 227

Fri 4/46:15 a.m.YYC - STL

1 stop7h 34mAir Canada

Deal found 20/2C$ 237

Thu 6/31:30 p.m.YVR - STL

1 stop17h 14mAmerican Airlines

Deal found 20/2C$ 240

Thu 6/31:45 p.m.YVR - STL

2 stops26h 15mMultiple Airlines

Deal found 20/2C$ 241

Fri 7/37:00 a.m.YVR - STL

2 stops9h 00mDelta

Deal found 20/2C$ 243

Fri 4/47:10 a.m.YYZ - STL

1 stop17h 36mMultiple Airlines

Deal found 20/2C$ 250

Thu 24/48:00 a.m.YHZ - STL

2 stops8h 49mAir Canada

Deal found 20/2C$ 270

Thu 20/37:00 a.m.YYC - STL

2 stops27h 34mMultiple Airlines

Deal found 20/2C$ 274

Sun 6/42:05 p.m.YEG - STL

2 stops32h 41mMultiple Airlines

Deal found 19/2C$ 276

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

1 stop9h 22mDelta

Deal found 20/2C$ 293

Thu 3/45:15 p.m.YYZ - STL

1 stop5h 21mDelta

Deal found 20/2C$ 297

Find flights from Canada to St. Louis within your budget

Fly from

Fly to

Route

Depart

Return

Price

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 10/3

6:00 p.m.-12:43 p.m.

1 stop16h 43m

Lambert-St Louis

Mon 17/3

5:33 p.m.-10:52 p.m.

1 stop7h 19m

C$ 425

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 31/3

11:20 a.m.-12:32 a.m.

1 stop11h 12m

Lambert-St Louis

Sat 5/4

6:00 a.m.-11:49 a.m.

1 stop7h 49m

C$ 426

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

3:55 p.m.-5:52 p.m.

1 stop26h 57m

Lambert-St Louis

Tue 15/4

6:11 p.m.-2:55 p.m.

1 stop19h 44m

C$ 428

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Sat 5/4

8:35 a.m.-4:31 p.m.

1 stop5h 56m

Lambert-St Louis

Sat 12/4

4:45 p.m.-9:54 a.m.

2 stops19h 09m

C$ 429

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 2/3

6:35 a.m.-4:53 p.m.

1 stop9h 18m

Lambert-St Louis

Sat 8/3

5:00 p.m.-11:15 p.m.

1 stop7h 15m

C$ 457

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 19/3

7:10 a.m.-3:31 p.m.

2 stops10h 21m

Lambert-St Louis

Wed 26/3

7:30 a.m.-4:09 p.m.

1 stop6h 39m

C$ 470

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 31/3

8:55 a.m.-11:26 p.m.

2 stops12h 31m

Lambert-St Louis

Sat 5/4

6:00 a.m.-12:01 a.m.

2 stops20h 01m

C$ 474

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 4/4

6:00 a.m.-7:29 p.m.

1 stop11h 29m

Lambert-St Louis

Sun 6/4

5:26 a.m.-10:45 a.m.

1 stop7h 19m

C$ 479

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 1/4

6:00 a.m.-4:52 p.m.

2 stops9h 52m

Lambert-St Louis

Wed 16/4

11:23 a.m.-7:05 p.m.

2 stops8h 42m

C$ 506

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 13/4

12:45 a.m.-5:16 p.m.

2 stops39h 31m

Lambert-St Louis

Tue 22/4

6:11 p.m.-12:32 a.m.

3 stops31h 21m

C$ 511

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

Showing 1-10 of 60 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 Wednesday (2 on average). You will have fewer flight options on Monday, 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 Alaska Airlines, Delta and United Airlines 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

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

9,697 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

8,219 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

8,765 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

WestJet

7.2

Good

2,801 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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 Air Canada, which is currently one of the cheapest options available, starting at C$ 219. American Airlines flights start at C$ 240 while deals on Delta start at C$ 243 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 (70%), Jazz (70%), United Airlines( 70%).
What are the cheapest flights from Canada to St. Louis?
On average you can expect to pay C$ 783 for a flight from Canada to St. Louis. The cheapest flight overall is C$ 509 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 398.
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

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Complete your trip

St. Louis car rentals

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Top 4 airlines flying from Canada to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 256	AverageC$ 746	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 263	AverageC$ 758	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 376	AverageC$ 566	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 381	AverageC$ 776	FlexibilityNo cancel fee	On-time69%	Search United Airlines 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.

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Cheap flights from Canada to St. Louis from C$ 202

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 1/4. 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

Keep the following information in mind while searching for Canada to St. Louis flight deals. Data was last updated 21 February 2025.

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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 February 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 February 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 February 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 February 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 Alaska Airlines, Delta and United Airlines 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?

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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 February 2025.