How long is the flight from Canada to St. Louis?

For as low as C$ 391, American Airlines can have you in St. Louis from Canada in 9h 05m. Canada and St. Louis are separated by a distance of 2314 km. This flight may include one or multiple stops.

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$ 249. Delta flights start at C$ 325 while deals on WestJet start at C$ 440 one-way.

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.

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).

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

While some choose either Edmonton - 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$ 600 for a flight from Canada to St. Louis. The cheapest flight overall is C$ 501 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 367.

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 (82%), Jazz (82%), United Airlines( 82%).

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.

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$ 190+ Flights from Canada to St. Louis

Find flight deals from Canada to St. Louis

Enter your travel dates to find the best prices.

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 30 October 2025.

Mon 22/121:31 p.m.YYC - STL

1 stop22h 46mAmerican Airlines

Tue 30/128:01 p.m.STL - YYC

1 stop17h 50mAmerican Airlines

Deal found 30/10C$ 348

Wed 26/1111:00 p.m.YVR - STL

1 stop13h 29mMultiple Airlines

Wed 3/127:43 p.m.STL - YVR

2 stops18h 57mMultiple Airlines

Deal found 29/10C$ 383

Thu 27/115:35 a.m.YHZ - STL

2 stops11h 54mAir Canada

Tue 2/124:05 p.m.STL - YHZ

1 stop6h 21mAir Canada

Deal found 29/10C$ 402

Tue 9/1211:36 a.m.YYZ - STL

1 stop9h 48mAmerican Airlines

Wed 10/125:05 a.m.STL - YYZ

1 stop9h 58mAmerican Airlines

Deal found 27/10C$ 427

Sat 20/123:10 p.m.YOW - STL

1 stop9h 23mMultiple Airlines

Mon 5/14:05 p.m.STL - YOW

1 stop6h 03mMultiple Airlines

Deal found 29/10C$ 429

Fri 5/1212:50 p.m.YYZ - STL

1 stop10h 43mMultiple Airlines

Sun 14/129:54 a.m.STL - YYZ

1 stop24h 49mMultiple Airlines

Deal found 29/10C$ 445

Fri 5/126:00 a.m.YYZ - STL

1 stop8h 14mAmerican Airlines

Mon 8/125:15 a.m.STL - YYZ

1 stop9h 48mAmerican Airlines

Deal found 28/10C$ 447

Fri 26/121:14 p.m.YYZ - STL

1 stop11h 41mAmerican Airlines

Thu 8/16:00 a.m.STL - YYZ

1 stop9h 03mAmerican Airlines

Deal found 28/10C$ 462

Tue 25/116:00 a.m.YEG - STL

1 stop8h 29mAir Canada

Tue 2/124:05 p.m.STL - YEG

1 stop8h 10mAir Canada

Deal found 28/10C$ 472

Sat 20/125:59 p.m.YOW - STL

1 stop6h 34mUnited Airlines

Mon 5/16:35 p.m.STL - YOW

2 stops18h 55mUnited Airlines

Deal found 29/10C$ 494

Tue 25/1112:07 p.m.YVR - STL

1 stop9h 16mDelta

Tue 2/126:30 a.m.STL - YVR

1 stop7h 57mDelta

Deal found 29/10C$ 500

Mon 10/114:00 p.m.YYZ - STL

2 stops27h 36mMultiple Airlines

Thu 20/114:13 p.m.STL - YYZ

1 stop6h 58mMultiple Airlines

Deal found 29/10C$ 505

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 30 October 2025.

Mon 22/121:31 p.m.YYC - STL

1 stop22h 46mAmerican Airlines

Tue 30/128:01 p.m.STL - YYC

1 stop17h 50mAmerican Airlines

Deal found 30/10C$ 348

Tue 7/42:50 p.m.YHZ - STL

1 stop9h 05mUnited Airlines

Wed 8/46:30 a.m.STL - YHZ

1 stop5h 24mUnited Airlines

Deal found 28/10C$ 391

Thu 27/115:35 a.m.YHZ - STL

2 stops11h 54mAir Canada

Tue 2/124:05 p.m.STL - YHZ

1 stop6h 21mAir Canada

Deal found 29/10C$ 402

Sat 20/123:10 p.m.YOW - STL

1 stop9h 23mMultiple Airlines

Mon 5/14:05 p.m.STL - YOW

1 stop6h 03mMultiple Airlines

Deal found 29/10C$ 429

Tue 25/1112:07 p.m.YVR - STL

1 stop9h 16mDelta

Tue 2/126:30 a.m.STL - YVR

1 stop7h 57mDelta

Deal found 29/10C$ 500

Tue 3/36:15 a.m.YYJ - STL

1 stop15h 41mAlaska Airlines

Wed 4/37:00 a.m.STL - YYJ

1 stop17h 33mAlaska Airlines

Deal found 28/10C$ 570

Tue 3/39:00 a.m.YVR - STL

2 stops12h 10mWestJet

Wed 4/36:30 a.m.STL - YVR

2 stops14h 13mWestJet

Deal found 28/10C$ 701

Tue 3/29:15 a.m.YOW - STL

1 stop7h 14mAir Canada

Wed 4/24:05 p.m.STL - YOW

1 stop6h 03mAir Canada

Deal found 29/10C$ 413

Tue 3/38:30 a.m.YVR - STL

2 stops11h 44mUnited Airlines

Wed 4/38:41 a.m.STL - YVR

1 stop7h 17mUnited Airlines

Deal found 28/10C$ 416

Wed 21/111:30 a.m.YYZ - STL

1 stop7h 44mAmerican Airlines

Sat 24/16:43 p.m.STL - YYZ

1 stop15h 10mAmerican Airlines

Deal found 29/10C$ 423

Tue 7/46:52 a.m.YOW - STL

1 stop6h 28mUnited Airlines

Wed 8/46:30 a.m.STL - YOW

1 stop5h 11mUnited Airlines

Deal found 28/10C$ 420

Tue 24/26:00 a.m.YYZ - STL

1 stop8h 49mAmerican Airlines

Sun 1/37:00 a.m.STL - YYZ

1 stop11h 01mAmerican Airlines

Deal found 29/10C$ 447

Wed 21/15:15 p.m.YYZ - STL

2 stops18h 46mMultiple Airlines

Sat 24/12:48 p.m.STL - YYZ

1 stop7h 32mMultiple Airlines

Deal found 29/10C$ 504

Tue 25/116:00 a.m.YEG - STL

1 stop8h 29mAir Canada

Tue 2/124:05 p.m.STL - YEG

1 stop8h 10mAir Canada

Deal found 28/10C$ 472

Wed 26/1112:07 p.m.YVR - STL

1 stop9h 16mDelta

Wed 3/122:20 p.m.STL - YVR

1 stop10h 24mDelta

Deal found 29/10C$ 532

Mon 10/114:00 p.m.YYZ - STL

2 stops27h 36mMultiple Airlines

Thu 20/114:13 p.m.STL - YYZ

1 stop6h 58mMultiple Airlines

Deal found 29/10C$ 505

Fri 26/121:14 p.m.YYZ - STL

1 stop11h 41mAmerican Airlines

Thu 8/16:00 a.m.STL - YYZ

1 stop9h 03mAmerican Airlines

Deal found 28/10C$ 462

Tue 28/46:00 a.m.YEG - STL

1 stop8h 24mAir Canada

Wed 29/44:05 p.m.STL - YEG

1 stop7h 54mAir Canada

Deal found 27/10C$ 473

Sat 20/125:59 p.m.YOW - STL

1 stop6h 34mUnited Airlines

Mon 5/16:35 p.m.STL - YOW

2 stops18h 55mUnited Airlines

Deal found 29/10C$ 494

Wed 19/1111:15 a.m.YYZ - STL

1 stop23h 43mMultiple Airlines

Fri 28/113:53 p.m.STL - YYZ

2 stops15h 45mMultiple Airlines

Deal found 29/10C$ 508

Tue 13/111:30 a.m.YYZ - STL

1 stop7h 46mAmerican Airlines

Fri 16/16:00 a.m.STL - YYZ

1 stop4h 59mAmerican Airlines

Deal found 29/10C$ 469

Fri 14/116:45 a.m.YVR - STL

1 stop10h 12mDelta

Sun 16/116:00 a.m.STL - YVR

1 stop6h 57mDelta

Deal found 29/10C$ 585

Tue 7/45:45 a.m.YOW - STL

2 stops10h 36mAir Canada

Wed 8/44:05 p.m.STL - YOW

1 stop5h 59mAir Canada

Deal found 28/10C$ 503

Fri 5/129:55 p.m.YYZ - STL

2 stops36h 52mMultiple Airlines

Sun 14/122:47 p.m.STL - YYZ

1 stop19h 56mMultiple Airlines

Deal found 29/10C$ 525

Tue 25/119:00 a.m.YEG - STL

2 stops13h 23mDelta

Tue 2/1212:49 p.m.STL - YEG

2 stops12h 55mDelta

Deal found 28/10C$ 591

Fri 5/122:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Mon 8/124:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 507

Tue 3/31:12 p.m.YYZ - STL

1 stop9h 59mAmerican Airlines

Wed 4/36:00 a.m.STL - YYZ

1 stop9h 00mAmerican Airlines

Deal found 28/10C$ 515

Mon 24/1112:45 a.m.YEG - STL

1 stop12h 44mMultiple Airlines

Tue 2/123:30 p.m.STL - YEG

2 stops34h 14mMultiple Airlines

Deal found 28/10C$ 570

Tue 24/22:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sun 1/34:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 29/10C$ 519

Fri 28/113:07 p.m.YYC - STL

1 stop7h 16mDelta

Tue 2/1212:49 p.m.STL - YYC

2 stops11h 24mDelta

Deal found 30/10C$ 645

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 30 October 2025.

Fri 21/112:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Mon 24/114:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 507

Fri 13/22:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Mon 16/24:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 30/10C$ 519

Tue 25/112:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Fri 28/114:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 529

Fri 21/112:00 p.m.YYZ - STL

Nonstop2h 29mMultiple Airlines

Mon 24/114:05 p.m.STL - YYZ

Nonstop2h 01mMultiple Airlines

Deal found 28/10C$ 585

Thu 20/112:00 p.m.YYZ - STL

Nonstop2h 29mUnited Airlines

Mon 24/114:05 p.m.STL - YYZ

Nonstop2h 01mUnited Airlines

Deal found 28/10C$ 605

Wed 19/112:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Fri 28/114:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 29/10C$ 637

Fri 26/122:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Thu 8/14:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 640

Tue 30/122:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Thu 1/14:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 665

Thu 20/112:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sun 23/114:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 760

Tue 25/112:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Tue 2/124:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 765

Last-minute flights from Canada to St. Louis
Discover last-minute flight deals from Canada to St. Louis. Data last updated 30 October 2025 and is based on user searches.

Mon 10/114:00 p.m.YYZ - STL

2 stops27h 36mMultiple Airlines

Thu 20/114:13 p.m.STL - YYZ

1 stop6h 58mMultiple Airlines

Deal found 29/10C$ 505

Wed 19/1111:15 a.m.YYZ - STL

1 stop23h 43mMultiple Airlines

Fri 28/113:53 p.m.STL - YYZ

2 stops15h 45mMultiple Airlines

Deal found 29/10C$ 508

Thu 20/119:00 a.m.YYZ - STL

1 stop6h 24mMultiple Airlines

Mon 24/114:05 p.m.STL - YYZ

Nonstop2h 01mMultiple Airlines

Deal found 28/10C$ 539

Fri 21/112:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Mon 24/114:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 507

Fri 21/114:10 p.m.YYZ - STL

1 stop6h 44mMultiple Airlines

Mon 24/114:05 p.m.STL - YYZ

Nonstop2h 01mMultiple Airlines

Deal found 28/10C$ 528

Tue 25/116:00 a.m.YEG - STL

1 stop8h 29mAir Canada

Tue 2/124:05 p.m.STL - YEG

1 stop8h 10mAir Canada

Deal found 28/10C$ 472

Tue 25/1112:07 p.m.YVR - STL

1 stop9h 16mDelta

Tue 2/126:30 a.m.STL - YVR

1 stop7h 57mDelta

Deal found 29/10C$ 500

Tue 25/112:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Fri 28/114:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 28/10C$ 529

Tue 25/1112:08 p.m.YYZ - STL

1 stop6h 01mDelta

Fri 28/116:40 a.m.STL - YYZ

1 stop3h 44mDelta

Deal found 28/10C$ 538

Wed 26/1111:00 p.m.YVR - STL

1 stop13h 29mMultiple Airlines

Wed 3/127:43 p.m.STL - YVR

2 stops18h 57mMultiple Airlines

Deal found 29/10C$ 383

Wed 26/1112:07 p.m.YVR - STL

1 stop9h 16mDelta

Wed 3/122:20 p.m.STL - YVR

1 stop10h 24mDelta

Deal found 29/10C$ 532

Thu 27/115:35 a.m.YHZ - STL

2 stops11h 54mAir Canada

Tue 2/124:05 p.m.STL - YHZ

1 stop6h 21mAir Canada

Deal found 29/10C$ 402

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 30 October 2025.

Sat 13/129:45 p.m.YYC - STL

2 stops11h 02mMultiple Airlines

Deal found 29/10C$ 190

Thu 26/27:10 a.m.YYZ - STL

1 stop16h 23mMultiple Airlines

Deal found 28/10C$ 204

Thu 29/17:10 a.m.YYZ - STL

1 stop25h 40mMultiple Airlines

Deal found 28/10C$ 205

Mon 15/125:15 p.m.YYZ - STL

1 stop30h 18mMultiple Airlines

Deal found 29/10C$ 236

Mon 15/127:30 p.m.YOW - STL

2 stops17h 45mUnited Airlines

Deal found 30/10C$ 249

Fri 5/1212:50 p.m.YYZ - STL

1 stop10h 43mMultiple Airlines

Deal found 30/10C$ 250

Sat 13/123:25 p.m.YYZ - STL

1 stop8h 08mMultiple Airlines

Deal found 29/10C$ 253

Thu 13/117:00 a.m.YYZ - STL

1 stop11h 57mMultiple Airlines

Deal found 29/10C$ 256

Mon 10/114:00 p.m.YYZ - STL

2 stops27h 36mMultiple Airlines

Deal found 29/10C$ 257

Sun 30/117:00 a.m.YVR - STL

3 stops30h 08mMultiple Airlines

Deal found 30/10C$ 267

Mon 1/1210:10 p.m.YVR - STL

3 stops46h 23mMultiple Airlines

Deal found 30/10C$ 268

Sun 16/114:00 p.m.YYZ - STL

2 stops27h 36mMultiple Airlines

Deal found 28/10C$ 278

Cheap flight deals from Canada to St. Louis

Round-trip from	C$ 348
One-way from	C$ 190
Popular in	September
Cheapest in	June
Average price	C$ 649
Good round-trip deal	C$ 592 or less
Good one-way deal	C$ 501 or less

American Airlines
22/12-30/12
2 total stops
40h 36m total
Canada to St. Louis

Search Deals

13/12
2 total stops
11h 02m total
Canada to St. Louis

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 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

Fly from

Fly to

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 22/12

1:31 p.m.-1:17 p.m.

1 stop22h 46m

Lambert-St Louis

Tue 30/12

8:01 p.m.-12:51 p.m.

1 stop17h 50m

C$ 348

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 7/4

2:50 p.m.-9:55 p.m.

1 stop9h 05m

Lambert-St Louis

Wed 8/4

6:30 a.m.-1:54 p.m.

1 stop5h 24m

C$ 391

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 27/11

5:35 a.m.-3:29 p.m.

2 stops11h 54m

Lambert-St Louis

Tue 2/12

4:05 p.m.-12:26 a.m.

1 stop6h 21m

C$ 402

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 3/2

9:15 a.m.-3:29 p.m.

1 stop7h 14m

Lambert-St Louis

Wed 4/2

4:05 p.m.-11:08 p.m.

1 stop6h 03m

C$ 413

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 3/3

8:30 a.m.-10:14 p.m.

2 stops11h 44m

Lambert-St Louis

Wed 4/3

8:41 a.m.-1:58 p.m.

1 stop7h 17m

C$ 416

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 7/4

6:52 a.m.-12:20 p.m.

1 stop6h 28m

Lambert-St Louis

Wed 8/4

6:30 a.m.-12:41 p.m.

1 stop5h 11m

C$ 420

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 21/1

11:30 a.m.-6:14 p.m.

1 stop7h 44m

Lambert-St Louis

Sat 24/1

6:43 p.m.-10:53 a.m.

1 stop15h 10m

C$ 423

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 20/12

3:10 p.m.-11:33 p.m.

1 stop9h 23m

Lambert-St Louis

Mon 5/1

4:05 p.m.-11:08 p.m.

1 stop6h 03m

C$ 429

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 24/2

6:00 a.m.-1:49 p.m.

1 stop8h 49m

Lambert-St Louis

Sun 1/3

7:00 a.m.-7:01 p.m.

1 stop11h 01m

C$ 447

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 26/12

1:14 p.m.-11:55 p.m.

1 stop11h 41m

Lambert-St Louis

Thu 8/1

6:00 a.m.-4:03 p.m.

1 stop9h 03m

C$ 462

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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.

Cheapflights Insights

Everything you need to know about your flight from Canada to St. Louis

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

Currently, December is the cheapest month in which you can book a flight from Canada to St. Louis (average of C$ 204). Flying from Canada to St. Louis in September is currently the most expensive (average of C$ 480). 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 fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 15% versus a flight in the evening.

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

Travelers seeking maximum savings on their Canada to St. Louis flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Canada to St. Louis, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,998 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Delta

7.9

Good

7,998 reviews

Delta

7.9

Good

7,998 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

United Airlines

7.4

Good

8,998 reviews

Delta

7.9

Good

7,998 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

American Airlines

7.2

Good

11,035 reviews

Delta

7.9

Good

7,998 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

WestJet

7.2

Good

3,152 reviews

Delta

7.9

Good

7,998 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Air Canada

7.1

Good

10,381 reviews

Delta

7.9

Good

7,998 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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.
How long is the flight from Canada to St. Louis?
For as low as C$ 391, American Airlines can have you in St. Louis from Canada in 9h 05m. Canada and St. Louis are separated by a distance of 2314 km. This flight may include one or multiple stops.
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$ 249. Delta flights start at C$ 325 while deals on WestJet start at C$ 440 one-way.
What are the most popular routes from Canada to St. Louis?
While some choose either Edmonton - 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 (82%), Jazz (82%), United Airlines( 82%).
What are the cheapest flights from Canada to St. Louis?
On average you can expect to pay C$ 600 for a flight from Canada to St. Louis. The cheapest flight overall is C$ 501 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 367.
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, December is the cheapest month in which you can book a flight from Canada to St. Louis (average of C$ 204). Flying from Canada to St. Louis in September is currently the most expensive (average of C$ 480). 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.

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Top 5 airlines flying from Canada to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 333	AverageC$ 684	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 408	AverageC$ 761	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 435	AverageC$ 693	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Delta	CheapestC$ 480	AverageC$ 709	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 482	AverageC$ 787	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

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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.

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

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

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

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Cheap flights from Canada to St. Louis from C$ 190

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 30 October 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 30 October 2025.

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 30 October 2025.

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Use the filters below to find and compare flights from Canada to St. Louis that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Canada to St. Louis

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 30 October 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Canada to St. Louis. Price data was last updated on 16 December 2024.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Canada to St. Louis, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's 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?

How long is the flight from Canada to St. Louis?

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 St. Louis?

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Alternative routes for Canada to St. Louis

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Top 5 airlines flying from Canada to St. Louis

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

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

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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 30 October 2025.