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C$ 159+ Cheap flights from St. Louis

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — YYZ
20 Apr — 27 Apr1
1 adult

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 15 April 2025.

Cheapest airline

Air Canada

Good round-trip deal

C$ 441 or less

Good one-way deal

C$ 187 or less
On average, Air Canada currently has the cheapest one-way flight from Lambert-St Louis (avg. price of C$ 754).
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Price to beat on a round-trip flight from Lambert-St Louis.
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Price to beat on a one-way flight from Lambert-St Louis.
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Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 15 April 2025.

Wed 14/58:15 p.m.STL - YVR
2 stops29h 55mMultiple Airlines
Wed 21/55:35 p.m.YVR - STL
1 stop18h 05mMultiple Airlines
Deal found 14/4C$ 420
Tue 13/55:45 p.m.STL - YYZ
1 stop19h 14mMultiple Airlines
Tue 20/54:00 p.m.YYZ - STL
1 stop8h 44mMultiple Airlines
Deal found 14/4C$ 423
Wed 14/58:15 p.m.STL - YYC
1 stop19h 30mMultiple Airlines
Mon 19/511:00 a.m.YYC - STL
1 stop9h 05mMultiple Airlines
Deal found 14/4C$ 452
Wed 27/87:23 a.m.STL - YYC
1 stop17h 06mAmerican Airlines
Tue 2/96:29 a.m.YYC - STL
1 stop12h 54mAmerican Airlines
Deal found 14/4C$ 460
Thu 29/51:30 p.m.STL - YQB
1 stop5h 06mAir Canada
Thu 5/65:50 a.m.YQB - STL
2 stops7h 46mAir Canada
Deal found 13/4C$ 472
Tue 23/91:30 p.m.STL - YHZ
1 stop6h 33mAir Canada
Wed 15/109:05 a.m.YHZ - STL
1 stop8h 11mAir Canada
Deal found 15/4C$ 496
Sun 21/91:30 p.m.STL - YYC
1 stop10h 36mAir Canada
Sun 28/96:00 a.m.YYC - STL
1 stop8h 16mAir Canada
Deal found 14/4C$ 502
Tue 3/62:15 p.m.STL - YVR
2 stops10h 38mDelta
Tue 10/69:10 a.m.YVR - STL
2 stops9h 30mDelta
Deal found 14/4C$ 505
Wed 27/86:47 a.m.STL - YHZ
1 stop6h 14mAmerican Airlines
Sat 6/911:56 a.m.YHZ - STL
1 stop8h 18mAmerican Airlines
Deal found 14/4C$ 509
Wed 30/74:00 p.m.STL - YHZ
1 stop5h 54mUnited Airlines
Thu 7/812:05 p.m.YHZ - STL
2 stops12h 40mUnited Airlines
Deal found 14/4C$ 527
Fri 12/92:15 p.m.STL - YYC
1 stop9h 57mDelta
Tue 16/96:35 a.m.YYC - STL
2 stops13h 00mDelta
Deal found 14/4C$ 528
Sun 11/510:10 a.m.STL - YWG
2 stops30h 18mMultiple Airlines
Sun 18/58:30 a.m.YWG - STL
3 stops35h 40mMultiple Airlines
Deal found 13/4C$ 530

Find flights from St. Louis within your budget

Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 15 April 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pearson Intl

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 14/5

8:15 p.m.-12:10 a.m.

2 stops29h 55m

Vancouver Intl

Wed 21/5

5:35 p.m.-1:40 p.m.

1 stop18h 05m

C$ 420

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 13/5

5:45 p.m.-1:59 p.m.

1 stop19h 14m

Toronto Pearson Intl

Tue 20/5

4:00 p.m.-11:44 p.m.

1 stop8h 44m

C$ 423

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 14/5

8:15 p.m.-2:45 p.m.

1 stop19h 30m

Calgary

Mon 19/5

11:00 a.m.-9:05 p.m.

1 stop9h 05m

C$ 452

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 27/8

7:23 a.m.-11:29 p.m.

1 stop17h 06m

Calgary

Tue 2/9

6:29 a.m.-8:23 p.m.

1 stop12h 54m

C$ 460

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 29/5

1:30 p.m.-7:36 p.m.

1 stop5h 06m

Québec City

Thu 5/6

5:50 a.m.-12:36 p.m.

2 stops7h 46m

C$ 472

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 23/9

1:30 p.m.-10:03 p.m.

1 stop6h 33m

Halifax Intl

Wed 15/10

9:05 a.m.-3:16 p.m.

1 stop8h 11m

C$ 496

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 21/9

1:30 p.m.-11:06 p.m.

1 stop10h 36m

Calgary

Sun 28/9

6:00 a.m.-3:16 p.m.

1 stop8h 16m

C$ 502

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 3/6

2:15 p.m.-10:53 p.m.

2 stops10h 38m

Vancouver Intl

Tue 10/6

9:10 a.m.-8:40 p.m.

2 stops9h 30m

C$ 505

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 27/8

6:30 a.m.-3:59 p.m.

1 stop7h 29m

Halifax Intl

Sat 6/9

11:56 a.m.-6:14 p.m.

1 stop8h 18m

C$ 509

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 30/7

4:00 p.m.-11:54 p.m.

1 stop5h 54m

Halifax Intl

Thu 7/8

12:05 p.m.-10:45 p.m.

2 stops12h 40m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 60 results
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Best time to book a flight from St. Louis

Have a flexible travel schedule? Discover the best time to fly from St. Louis 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 St. Louis

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

When is the best time to book a flight from St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pearson Intl. Price data was last updated on 11 April 2025.

The price you pay for your flight from St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from St. Louis (average of C$ 273). Flying from St. Louis in April will prove the most costly (average of C$ 533). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from St. Louis?

For flights departing from St. Louis check dates and pricing for the following: Air Canada. This airline departs to the following popular destinations: Toronto.

Air Canada

Air Canada

From C$ 218

Delta

Delta

From C$ 534

What are popular destinations to fly to from St. Louis?

From St. Louis you can expect to find greater availability for the following destinations: Chicago (902 flights per day), Dallas (204 flights per day) and New York (157 flights per day).

New York

New York

From C$ 240

Toronto

Toronto

From C$ 139

Frankfurt am Main

Frankfurt am Main

From C$ 651

Chicago

Chicago

From C$ 135

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Chicago, with prices starting at C$ 187. Explore other affordable destinations below.

Chicago

Chicago

From C$ 135

Toronto

Toronto

From C$ 139

New York

New York

From C$ 240

Los Angeles

Los Angeles

From C$ 376

Airline reviews for flights from St. Louis

Get insights into the airlines that provide service from St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from St. Louis. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,805 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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Airports servicing St. Louis

Fly out of one of these airports located in St. Louis.
Flights from Kansas City
Flights from Joplin
Flights from Springfield

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 15 April 2025.

  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Atlanta, Boston, Cancún. Throughout the year, Cancún, Boston, Atlanta are some of the top choices made by users flying from St. Louis.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as C$ 187 to Chicago O'Hare Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 507 to fly from St. Louis.

  • What is the cheapest premium economy flight from St. Louis?

    Options for some of the cheapest premium economy flights from St. Louis we have found on Cheapflights are as follows:
    Fly from Lambert-St Louis to Chicago O'Hare Intl Airport starting at C$ 1,464
    Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl Airport starting at C$ 2,750
    Fly from Lambert-St Louis to Toronto Pearson Intl Airport starting at C$ 5,495

  • What is the cheapest first class flight from St. Louis?

    If you’re looking to fly first-class from St. Louis to anywhere, put Denver on your list as prices start at C$ 1,436 for this destination.

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

    At the present moment the cheapest month to fly from St. Louis is currently August; with April being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from St. Louis?

    Check out the cheapest flights from St. Louis to embark to:
    Travel from St. Louis to Vancouver from C$ 420 round trip
    Travel from St. Louis to Toronto from C$ 523 round trip

  • How does Cheapflights help users find flights from St. Louis?

    When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

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

  • Can Cheapflights find flights from St. Louis with no change fees?

    Certainly. Search results for flights from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

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How does Cheapflights help users find flights from St. Louis?

When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

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

Can Cheapflights find flights from St. Louis with no change fees?

Certainly. Search results for flights from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

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