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C$ 123+ 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 5/5. 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 — YUL
22 Apr — 29 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 17 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$ 753).
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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 17 April 2025.

Mon 12/59:55 p.m.STL - YVR
2 stops18h 40mMultiple Airlines
Wed 21/55:35 p.m.YVR - STL
1 stop18h 05mMultiple Airlines
Deal found 16/4C$ 355
Thu 5/610:10 a.m.STL - YYZ
1 stop9h 50mMultiple Airlines
Mon 9/64:00 p.m.YYZ - STL
1 stop8h 37mMultiple Airlines
Deal found 17/4C$ 440
Tue 13/512:15 p.m.STL - YYC
2 stops9h 04mMultiple Airlines
Tue 20/510:05 a.m.YYC - STL
1 stop12h 39mMultiple Airlines
Deal found 16/4C$ 456
Mon 9/67:20 a.m.STL - YYC
1 stop17h 09mAmerican Airlines
Thu 12/66:29 a.m.YYC - STL
1 stop13h 01mAmerican Airlines
Deal found 17/4C$ 462
Tue 17/61:21 p.m.STL - YVR
1 stop11h 37mAmerican Airlines
Tue 24/611:54 p.m.YVR - STL
1 stop13h 50mAmerican Airlines
Deal found 17/4C$ 485
Tue 23/91:30 p.m.STL - YHZ
1 stop6h 33mAir Canada
Wed 15/101:30 p.m.YHZ - STL
1 stop8h 03mAir Canada
Deal found 17/4C$ 498
Wed 18/611:29 a.m.STL - YVR
2 stops9h 26mDelta
Tue 24/67:45 p.m.YVR - STL
2 stops12h 48mDelta
Deal found 16/4C$ 502
Tue 13/56:00 a.m.STL - YYC
1 stop7h 53mUnited Airlines
Tue 20/51:30 p.m.YYC - STL
1 stop6h 31mUnited Airlines
Deal found 16/4C$ 509
Tue 29/76:03 a.m.STL - YHZ
1 stop6h 17mAmerican Airlines
Thu 7/84:45 p.m.YHZ - STL
1 stop18h 16mAmerican Airlines
Deal found 16/4C$ 509
Mon 8/94:05 p.m.STL - YHZ
1 stop7h 44mMultiple Airlines
Fri 12/97:15 a.m.YHZ - STL
2 stops10h 01mMultiple Airlines
Deal found 16/4C$ 514
Wed 30/76:00 a.m.STL - YHZ
1 stop7h 52mUnited Airlines
Thu 7/812:05 p.m.YHZ - STL
2 stops12h 40mUnited Airlines
Deal found 16/4C$ 525
Wed 3/912:10 p.m.STL - YYC
2 stops11h 53mDelta
Wed 10/92:00 p.m.YYC - STL
1 stop9h 37mDelta
Deal found 17/4C$ 528

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 17 April 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 12/5

9:55 p.m.-2:35 p.m.

2 stops18h 40m

Vancouver Intl

Wed 21/5

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

1 stop18h 05m

C$ 355

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 5/6

10:10 a.m.-9:00 p.m.

1 stop9h 50m

Toronto Pearson Intl

Mon 9/6

4:00 p.m.-11:37 p.m.

1 stop8h 37m

C$ 440

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 13/5

12:15 p.m.-8:19 p.m.

2 stops9h 04m

Calgary

Tue 20/5

10:05 a.m.-11:44 p.m.

1 stop12h 39m

C$ 456

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 9/6

7:20 a.m.-11:29 p.m.

1 stop17h 09m

Calgary

Thu 12/6

6:29 a.m.-8:30 p.m.

1 stop13h 01m

C$ 462

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 17/6

1:21 p.m.-10:58 p.m.

1 stop11h 37m

Vancouver Intl

Mon 23/6

11:54 p.m.-8:30 p.m.

1 stop18h 36m

C$ 485

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

1:30 p.m.-7:33 p.m.

1 stop8h 03m

C$ 498

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 18/6

11:29 a.m.-6:55 p.m.

2 stops9h 26m

Vancouver Intl

Tue 24/6

7:45 p.m.-10:33 a.m.

2 stops12h 48m

C$ 502

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 13/5

6:00 a.m.-12:53 p.m.

1 stop7h 53m

Calgary

Tue 20/5

1:30 p.m.-9:01 p.m.

1 stop6h 31m

C$ 509

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 29/7

6:03 a.m.-2:20 p.m.

1 stop6h 17m

Halifax Intl

Thu 7/8

4:45 p.m.-9:01 a.m.

1 stop18h 16m

C$ 509

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 8/9

4:05 p.m.-1:49 a.m.

1 stop7h 44m

Halifax Intl

Fri 12/9

7:15 a.m.-3:16 p.m.

2 stops10h 01m

C$ 514

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

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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.

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$ 288). Flying from St. Louis in November will prove the most costly (average of C$ 914). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 (888 flights per day), Atlanta (221 flights per day) and Dallas (218 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.
Delta
8.0
Very good
7,916 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,143 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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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 17 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$ 1,463
    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$ 5,494

  • 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$ 1,435 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 November 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$ 356 round trip
    Travel from St. Louis to Toronto from C$ 455 round trip
    Travel from St. Louis to Montreal from C$ 581 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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