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Cheap flights from Montreal to St. Louis from C$ 292

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 9/4. 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.
YMQ — STL
2 Apr — 9 Apr1
1 adult
Tue 2/4
Tue 9/4

The best prices from Montreal to Lambert-St Louis are usually found in January or September, booked 76 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Montreal to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 March 2024.

Popular in

July

Cheapest in

January

Round-trip from

C$ 496

One-way from

C$ 318
High demand for flights, 20% potential price rise
Best time to find cheap flights, 23% potential price drop
From Montreal (YMQ) to Lambert-St Louis
One-way flight from Montreal (YMQ) to Lambert-St Louis

What is the cheapest day to fly round-trip from Montreal to St. Louis?

Users have found that flying from Montreal to St. Louis on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 16 days in advance, which can save you up to 11% on flights from Montreal to St. Louis compared to booking the week you need them. Waiting 16 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 523. For sooner than that we have options available in the next 3 days from C$ 780.

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

Flights from Montreal to St. Louis lean towards being more expensive in July. Prices are generally better when you fly from Montreal to St. Louis in January, with the cheapest ticket starting at C$ 486.

When is the cheapest time to fly from Montreal to St. Louis (YMQ - STL)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from Montreal to St. Louis by exploring options for tickets in the evening.

Cheap Air Canada flights from Montreal to St. Louis

Explore cheap flight options specifically provided by Air Canada for the route between Montreal and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.
Peruse some of the lowest-priced Air Canada flights we've found from Montreal to St. Louis. Make sure to check back often as deals are often changing.
Wed 1/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Tue 7/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 554
Wed 24/410:10 a.m.YUL - STL
1 stop6h 51mAir Canada
Wed 1/510:10 a.m.STL - YUL
1 stop6h 08mAir Canada
Deal found 27/3C$ 565
Sat 27/46:15 a.m.YUL - STL
1 stop5h 02mAir Canada
Thu 9/510:10 a.m.STL - YUL
1 stop5h 38mAir Canada
Deal found 27/3C$ 571
Fri 16/87:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Wed 21/812:00 p.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 607
Fri 26/46:15 a.m.YUL - STL
1 stop4h 59mAir Canada
Thu 9/510:10 a.m.STL - YUL
1 stop5h 08mAir Canada
Deal found 27/3C$ 614
Fri 16/86:15 a.m.YUL - STL
1 stop9h 03mAir Canada
Wed 21/812:00 p.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 28/3C$ 632
Fri 21/68:10 a.m.YUL - STL
1 stop8h 11mAir Canada
Tue 25/611:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 637
Wed 1/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Fri 10/54:05 p.m.STL - YUL
1 stop14h 43mAir Canada
Deal found 27/3C$ 651
Fri 16/87:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Wed 21/84:05 p.m.STL - YUL
1 stop8h 43mAir Canada
Deal found 27/3C$ 660

Cheap American Airlines flights from Montreal to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Montreal and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.
Some of the best deals we've found on American Airlines flights travelling from Montreal to St. Louis. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 24/42:30 p.m.YUL - STL
1 stop9h 12mAmerican Airlines
Wed 1/55:15 a.m.STL - YUL
2 stops10h 19mAmerican Airlines
Deal found 27/3C$ 577
Sat 20/42:30 p.m.YUL - STL
1 stop9h 12mAmerican Airlines
Mon 22/46:05 a.m.STL - YUL
2 stops9h 29mAmerican Airlines
Deal found 27/3C$ 580
Wed 24/410:35 a.m.YUL - STL
2 stops8h 27mAmerican Airlines
Wed 1/57:10 a.m.STL - YUL
2 stops8h 24mAmerican Airlines
Deal found 27/3C$ 584
Tue 14/52:40 p.m.YUL - STL
1 stop9h 42mAmerican Airlines
Fri 17/54:02 p.m.STL - YUL
1 stop16h 50mAmerican Airlines
Deal found 27/3C$ 597
Mon 29/47:50 a.m.YUL - STL
1 stop13h 53mAmerican Airlines
Wed 8/54:02 p.m.STL - YUL
1 stop16h 50mAmerican Airlines
Deal found 27/3C$ 601
Fri 16/83:01 p.m.YUL - STL
1 stop9h 19mAmerican Airlines
Wed 21/85:37 a.m.STL - YUL
1 stop7h 02mAmerican Airlines
Deal found 28/3C$ 622
Fri 16/88:01 a.m.YUL - STL
1 stop16h 19mAmerican Airlines
Wed 21/87:37 a.m.STL - YUL
1 stop5h 02mAmerican Airlines
Deal found 27/3C$ 624
Tue 14/510:40 a.m.YUL - STL
2 stops9h 50mAmerican Airlines
Fri 17/54:02 p.m.STL - YUL
1 stop16h 50mAmerican Airlines
Deal found 27/3C$ 630
Sat 13/411:03 a.m.YUL - STL
1 stop10h 40mAmerican Airlines
Sun 21/45:10 a.m.STL - YUL
1 stop16h 34mAmerican Airlines
Deal found 26/3C$ 644

Cheap Montreal to St. Louis flights in March & April 2024

Find cheap flight options from Montreal to St. Louis specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 595,463 searches. Prices were last updated on 28 March 2024.
Check out some of the best flight deals from Montreal to St. Louis in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 23/46:00 a.m.YUL - STL
1 stop5h 51mDelta
Wed 24/412:59 p.m.STL - YUL
1 stop7h 23mDelta
Deal found 26/3C$ 552
Sat 27/47:00 a.m.YUL - STL
1 stop8h 46mDelta
Mon 6/512:59 p.m.STL - YUL
1 stop7h 23mDelta
Deal found 27/3C$ 563
Wed 24/410:10 a.m.YUL - STL
1 stop6h 51mAir Canada
Wed 1/510:10 a.m.STL - YUL
1 stop6h 08mAir Canada
Deal found 27/3C$ 565
Sat 27/46:15 a.m.YUL - STL
1 stop5h 02mAir Canada
Thu 9/510:10 a.m.STL - YUL
1 stop5h 38mAir Canada
Deal found 27/3C$ 571
Wed 24/42:30 p.m.YUL - STL
1 stop9h 12mAmerican Airlines
Wed 1/55:15 a.m.STL - YUL
2 stops10h 19mAmerican Airlines
Deal found 27/3C$ 577
Sat 20/42:30 p.m.YUL - STL
1 stop9h 12mAmerican Airlines
Mon 22/46:05 a.m.STL - YUL
2 stops9h 29mAmerican Airlines
Deal found 27/3C$ 580
Wed 24/410:35 a.m.YUL - STL
2 stops8h 27mAmerican Airlines
Wed 1/57:10 a.m.STL - YUL
2 stops8h 24mAmerican Airlines
Deal found 27/3C$ 584
Fri 26/47:00 a.m.YUL - STL
1 stop8h 46mDelta
Wed 8/56:00 a.m.STL - YUL
1 stop8h 14mDelta
Deal found 27/3C$ 588
Mon 29/47:50 a.m.YUL - STL
1 stop13h 53mAmerican Airlines
Wed 8/54:02 p.m.STL - YUL
1 stop16h 50mAmerican Airlines
Deal found 27/3C$ 601

Montreal to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Montreal and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.
Check out some of the best flight deals from Montreal to St. Louis in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 23/46:00 a.m.YUL - STL
1 stop5h 51mDelta
Wed 24/412:59 p.m.STL - YUL
1 stop7h 23mDelta
Deal found 26/3C$ 552
Wed 1/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Tue 7/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 554
Wed 1/57:00 a.m.YUL - STL
1 stop5h 56mDelta
Fri 10/52:55 p.m.STL - YUL
1 stop5h 20mDelta
Deal found 27/3C$ 563
Wed 24/410:10 a.m.YUL - STL
1 stop6h 51mAir Canada
Wed 1/510:10 a.m.STL - YUL
1 stop6h 08mAir Canada
Deal found 27/3C$ 565
Sat 27/46:15 a.m.YUL - STL
1 stop5h 02mAir Canada
Thu 9/510:10 a.m.STL - YUL
1 stop5h 38mAir Canada
Deal found 27/3C$ 571
Wed 24/42:30 p.m.YUL - STL
1 stop9h 12mAmerican Airlines
Wed 1/55:15 a.m.STL - YUL
2 stops10h 19mAmerican Airlines
Deal found 27/3C$ 577
Sat 20/42:30 p.m.YUL - STL
1 stop9h 12mAmerican Airlines
Mon 22/46:05 a.m.STL - YUL
2 stops9h 29mAmerican Airlines
Deal found 27/3C$ 580
Wed 24/410:35 a.m.YUL - STL
2 stops8h 27mAmerican Airlines
Wed 1/57:10 a.m.STL - YUL
2 stops8h 24mAmerican Airlines
Deal found 27/3C$ 584
Fri 26/47:00 a.m.YUL - STL
1 stop8h 46mDelta
Wed 8/56:00 a.m.STL - YUL
1 stop8h 14mDelta
Deal found 27/3C$ 588

Direct flights to St. Louis from Montreal

Discover non-stop flight options from Montreal to St. Louis. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.
Take a look at some of the direct flights travelling from Montreal to St. Louis in the near future. Users seeking other options on flights from Montreal to St. Louis should update the search form at the top of the page.
Wed 1/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Tue 7/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 554
Fri 21/67:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Tue 25/611:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 755
Tue 14/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Fri 17/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 852
Thu 16/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Tue 21/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 944
Thu 9/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Thu 23/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 1,169
Thu 9/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Fri 24/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 1,299
Fri 10/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Fri 24/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 1,344
Wed 1/57:30 p.m.YUL - STL
Nonstop2h 35mAir Canada
Wed 8/511:00 a.m.STL - YUL
Nonstop2h 23mAir Canada
Deal found 27/3C$ 2,430

Montreal to St. Louis flights leaving soon

Find last-minute flight options from Montreal to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.
Users seeking a last-minute flight from Montreal to St. Louis should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 4/45:10 p.m.YUL - STL
1 stop5h 48mDelta
Tue 9/46:00 a.m.STL - YUL
1 stop8h 06mDelta
Deal found 27/3C$ 1,126

One-way flights to St. Louis from Montreal

Search for one-way flight options from Montreal to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.
Users travelling one-way from Montreal to St. Louis can select one of these great deals. For those needing a return trip from Montreal, there is a search form available above.
Tue 9/46:45 a.m.YUL - STL
1 stop7h 55mMultiple Airlines
Deal found 27/3C$ 292
Sun 14/44:25 p.m.YUL - STL
2 stops39h 48mMultiple Airlines
Deal found 27/3C$ 299
Mon 8/46:45 a.m.YUL - STL
1 stop26h 36mMultiple Airlines
Deal found 27/3C$ 310
Tue 30/44:45 p.m.YUL - STL
3 stops18h 02mMultiple Airlines
Deal found 27/3C$ 313
Tue 30/42:10 p.m.YUL - STL
1 stop6h 51mAir Canada
Deal found 27/3C$ 318
Fri 19/45:17 p.m.YUL - STL
1 stop5h 06mDelta
Deal found 27/3C$ 321
Tue 30/410:35 a.m.YUL - STL
2 stops8h 27mAmerican Airlines
Deal found 27/3C$ 334
Mon 8/44:25 p.m.YUL - STL
2 stops53h 28mMultiple Airlines
Deal found 27/3C$ 341
Sun 14/44:25 p.m.YUL - STL
3 stops47h 25mMultiple Airlines
Deal found 27/3C$ 360

Find flights from Montreal to St. Louis within your budget

Customize your flight search to find flights from Montreal to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 552 - C$ 655

Route

Depart

Return

Price

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 23/4

1 stop5h 51m

Lambert-St Louis

Wed 24/4

1 stop7h 23m

C$ 552

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 1/5

Nonstop2h 35m

Lambert-St Louis

Tue 7/5

Nonstop2h 23m

C$ 554

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 1/5

1 stop5h 56m

Lambert-St Louis

Fri 10/5

1 stop5h 20m

C$ 563

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 24/4

1 stop6h 51m

Lambert-St Louis

Wed 1/5

1 stop6h 08m

C$ 565

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 24/4

1 stop9h 12m

Lambert-St Louis

Wed 1/5

2 stops10h 19m

C$ 577

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 20/4

1 stop9h 12m

Lambert-St Louis

Mon 22/4

2 stops9h 29m

C$ 580

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 27/4

1 stop5h 02m

Lambert-St Louis

Sun 5/5

Nonstop2h 23m

C$ 606

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 29/4

1 stop5h 56m

Lambert-St Louis

Sun 5/5

1 stop4h 40m

C$ 625

Montreal Pierre Elliott Trudeau IntlLambert-St Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 30/4

1 stop7h 59m

Lambert-St Louis

Tue 7/5

2 stops12h 59m

C$ 655

Flights are sorted by cheapest first

Deals found on 26/3

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

Use this chart to determine the optimal time to book a round-trip flight from Montreal to St. Louis. Price data was last updated on 28 January 2024.
The price you pay for your flight from Montreal to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Montreal to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Montreal to St. Louis. Price data was last updated on 24 March 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Montreal to St. Louis flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Montreal to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Montreal to St. Louis is currently C$ 321 while a round-trip flight costs C$ 586. Price data was last updated on 24 March 2024.

Currently, January is the cheapest month in which you can book a flight from Montreal to St. Louis (average of C$ 365). Flying from Montreal to St. Louis in July is currently the most expensive (average of C$ 522). 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.

January

C$ 496

February

C$ 545

March

C$ 607

April

C$ 643

May

C$ 542

June

C$ 635

July

C$ 709

August

C$ 620

September

C$ 625

October

C$ 650

November

C$ 548

December

C$ 516

Temperature and rainfall in St. Louis by month

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

STL

Temperature

0 - 27 °C

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to 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 an airline for your flight to St. Louis. Reviews last updated 28 March 2024.
To help decide which airline to fly from Montreal to St. Louis, see what other customers have to say about Air Canada, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,418 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,418 reviews
8.1
Very good
11,418 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.5
Good
3,035 reviews
8.1
Very good
11,418 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,481 reviews
8.1
Very good
11,418 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,202 reviews
8.1
Very good
11,418 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.0
Good
6,743 reviews
8.1
Very good
11,418 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

Related info for your journey

Find useful and relevant information for your journey from Montreal 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 Montreal?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Montreal. On average, Lambert-St Louis has 0 inbound flights from Montreal per day from 6 airlines. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.

  • Can I find flights from Montreal to St. Louis for under C$ 600 on Cheapflights?

    Yes, there are multiple flights from Montreal to St. Louis for under C$ 600. The cheapest flight booked recently is on Delta for just C$ 552, but on average you can expect to pay C$ 594.

  • Are there direct flights from Montreal to St. Louis for under C$ 600 on Cheapflights?

    Cheapflights has 8 direct flights from Montreal to St. Louis under C$ 600. A good price for a direct flight from Montreal to St. Louis is less than C$ 1,167.

  • Are there last-minute flights available from Montreal to St. Louis for under C$ 1,200?

    There are currently 1+ open flights from Montreal to St. Louis within the next 7 days for less than C$ 1,200.

  • What are the cheapest airlines flying from Montreal to St. Louis round-trip?

    Currently priced at C$ 552, Delta will fly you from Montreal to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and American Airlines - these airlines can fly you to your destination from C$ 554 and C$ 577, respectively. You may be able to fly from Montreal to St. Louis for 18% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Montreal 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$ 318. Delta flights start at C$ 321 while deals on American Airlines start at C$ 334 one-way.

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

  • What are the cheapest flights from Montreal to St. Louis?

    Looking at all options, your cheapest flight can be booked for C$ 434. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis) can be booked for C$ 563 on average our data indicates C$ 691 when flying from Montreal to St. Louis.

  • What does YUL to STL mean?

    This is defined as Montreal Pierre Elliott Trudeau Intl Airport (YUL) and Lambert-St Louis Airport (STL). Codes like Lambert-St Louis Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Montreal to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Montreal to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

    Yes. Cheapflights offers flight deals from Montreal 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.

  • Can I find deals for flights from Montreal to St. Louis that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the Montreal to St. Louis flight deals updated?

    The Montreal to St. Louis flight deals you see on this page were last updated on 27/3.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montreal to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Montreal to St. Louis

Discover the top 6 airlines that operate flights from Montreal to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 595,463 searches. Data last updated 28 March 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 260AverageC$ 673FlexibilityNo cancel feeOn-time69%
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Air CanadaCheapestC$ 420AverageC$ 624FlexibilityNo cancel feeOn-time67%
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DeltaCheapestC$ 430AverageC$ 629FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapestC$ 499AverageC$ 664FlexibilityNo cancel feeOn-time71%
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WestJetCheapestC$ 676AverageC$ 846FlexibilityNo cancel feeOn-time60%
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WestJet EncoreCheapestC$ 858AverageC$ 858FlexibilityNo cancel feeOn-timeN/A
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Search flights from Montreal to St. Louis by cabin class

Find flights from Montreal to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis from Montreal today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal to St. Louis.

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

Certainly. Search results for flights to St. Louis from Montreal 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 Montreal to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Montreal to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

Can I find deals on last-minute flights from Montreal to St. Louis?

Yes, you can often find last-minute deals on Montreal to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from Montreal to St. Louis?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Montreal to St. Louis that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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