Cheap flights from St. Louis (STL) to Pierre Elliott Trudeau Intl (YUL) from $146

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 4/23. 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
Apr 2 — Apr 91

The best prices from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl are usually found in January or April, booked 65 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from St. Louis to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pierre Elliott Trudeau Intl (YUL). 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 March 28, 2024.

Popular in

May

Cheapest in

January

Round-trip from

$276

One-way from

$240
High demand for flights, 19% potential price rise
Best time to find cheap flights, 40% potential price drop
From Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl
One-way flight from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl

What is the cheapest day to fly round-trip from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Montreal Pierre Elliott Trudeau Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Users have found that booking a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport at least 20 days early can save you up to 167% on average compared to booking a flight this week. If booking 20 days before your flight isn’t an option for you, users have found flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for as little as $579 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $808 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Our data shows that January tends to be the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from St. Louis. Users have commonly found prices around $582 for the month, but tickets can be as low as $310. Due to multiple factors, prepare for potentially higher prices in August.

When is the cheapest time to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport (STL - YUL)?

It’s typically best to fly out from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Air Canada flights from St. Louis to Pierre Elliott Trudeau Intl

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Pierre Elliott Trudeau Intl. 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 3,238,496 searches. Data last updated March 28, 2024.
Take a peek at the cheapest Air Canada flights we've detected traveling from St. Louis to Montreal. Be sure to come back soon if the deals available don't appeal to you at this time.
Thu 5/911:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/129:10 amYUL - STL
1 stop7h 11mAir Canada
Deal found 3/27$499
Wed 5/110:10 amSTL - YUL
1 stop6h 08mAir Canada
Sat 5/47:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/26$522
Fri 5/1011:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/199:10 amYUL - STL
1 stop7h 11mAir Canada
Deal found 3/27$526
Thu 5/911:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/127:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$533
Sun 5/194:05 pmSTL - YUL
1 stop6h 43mAir Canada
Wed 5/227:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$553
Sun 5/194:05 pmSTL - YUL
1 stop6h 43mAir Canada
Wed 5/2210:10 amYUL - STL
1 stop6h 11mAir Canada
Deal found 3/27$563
Fri 5/1011:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/197:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$589
Sun 5/1910:10 amSTL - YUL
1 stop6h 06mAir Canada
Wed 5/227:55 amYUL - STL
2 stops8h 26mAir Canada
Deal found 3/27$591
Wed 5/1510:10 amSTL - YUL
1 stop7h 08mAir Canada
Sun 5/197:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$600

Cheap Delta flights from St. Louis to Pierre Elliott Trudeau Intl

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Pierre Elliott Trudeau Intl. 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 3,238,496 searches. Data last updated March 28, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from St. Louis to Montreal. Deals frequently update to provide users with more options.
Wed 5/13:40 pmSTL - YUL
1 stop16h 27mDelta
Sat 5/46:10 amYUL - STL
1 stop12h 16mDelta
Deal found 3/26$510
Wed 5/152:55 pmSTL - YUL
1 stop5h 20mDelta
Sun 5/196:46 pmYUL - STL
1 stop5h 54mDelta
Deal found 3/27$539
Fri 4/1912:59 pmSTL - YUL
1 stop7h 23mDelta
Mon 4/2210:00 amYUL - STL
2 stops12h 23mDelta
Deal found 3/27$665

Cheap St. Louis to Pierre Elliott Trudeau Intl flights in March & April 2024

Find cheap flight options from St. Louis to Pierre Elliott Trudeau Intl specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,238,496 searches. Prices were last updated on March 28, 2024.
Scroll through some of the best deals on flights from St. Louis to Montreal in 2024. Check back in a little while for more flight options.
Sun 4/77:48 pmSTL - YUL
1 stop17h 52mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$465
Thu 4/256:31 amSTL - YUL
1 stop9h 44mMultiple Airlines
Thu 5/27:30 pmYUL - STL
Nonstop2h 35mMultiple Airlines
Deal found 3/26$497
Thu 4/256:31 amSTL - YUL
1 stop9h 44mMultiple Airlines
Thu 5/210:10 amYUL - STL
1 stop6h 11mMultiple Airlines
Deal found 3/26$508
Fri 4/194:01 pmSTL - YUL
1 stop16h 54mAmerican Airlines
Mon 4/227:15 amYUL - STL
1 stop16h 27mAmerican Airlines
Deal found 3/27$511
Thu 4/257:30 pmSTL - YUL
2 stops18h 25mMultiple Airlines
Thu 5/24:45 pmYUL - STL
3 stops25h 00mMultiple Airlines
Deal found 3/26$521
Sat 4/611:39 amSTL - YUL
1 stop26h 01mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$531
Sun 4/76:21 pmSTL - YUL
2 stops20h 04mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$554
Thu 4/252:00 pmSTL - YUL
3 stops23h 55mMultiple Airlines
Thu 5/24:45 pmYUL - STL
3 stops25h 00mMultiple Airlines
Deal found 3/26$566
Thu 4/252:00 pmSTL - YUL
3 stops23h 55mMultiple Airlines
Thu 5/26:50 amYUL - STL
1 stop11h 44mMultiple Airlines
Deal found 3/26$575

St. Louis to Pierre Elliott Trudeau Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Pierre Elliott Trudeau Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,238,496 searches. Data last updated March 28, 2024.
Scroll through some of the best deals on flights from St. Louis to Montreal in 2024. Check back in a little while for more flight options.
Sun 4/77:48 pmSTL - YUL
1 stop17h 52mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$465
Thu 4/256:31 amSTL - YUL
1 stop9h 44mMultiple Airlines
Thu 5/27:30 pmYUL - STL
Nonstop2h 35mMultiple Airlines
Deal found 3/26$497
Thu 5/911:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/129:10 amYUL - STL
1 stop7h 11mAir Canada
Deal found 3/27$499
Thu 4/256:31 amSTL - YUL
1 stop9h 44mMultiple Airlines
Thu 5/210:10 amYUL - STL
1 stop6h 11mMultiple Airlines
Deal found 3/26$508
Wed 5/13:40 pmSTL - YUL
1 stop16h 27mDelta
Sat 5/46:10 amYUL - STL
1 stop12h 16mDelta
Deal found 3/26$510
Fri 4/194:01 pmSTL - YUL
1 stop16h 54mAmerican Airlines
Mon 4/227:15 amYUL - STL
1 stop16h 27mAmerican Airlines
Deal found 3/27$511
Thu 4/257:30 pmSTL - YUL
2 stops18h 25mMultiple Airlines
Thu 5/24:45 pmYUL - STL
3 stops25h 00mMultiple Airlines
Deal found 3/26$521
Wed 5/110:10 amSTL - YUL
1 stop6h 08mAir Canada
Sat 5/47:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/26$522
Fri 5/1011:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/199:10 amYUL - STL
1 stop7h 11mAir Canada
Deal found 3/27$526

Non-stop flights to Pierre Elliott Trudeau Intl from St. Louis

Discover non-stop flight options from St. Louis to Pierre Elliott Trudeau Intl. 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 3,238,496 searches. Data last updated March 28, 2024.
For a quicker trip, book one of these direct flights from St. Louis to Montreal. Select from other flights from St. Louis to Montreal by using the search form above.
Thu 5/911:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/127:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$533
Fri 5/1011:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/197:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$589
Sun 5/1911:00 amSTL - YUL
Nonstop2h 23mAir Canada
Wed 5/227:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$699
Thu 5/911:00 amSTL - YUL
Nonstop2h 23mAir Canada
Sun 5/127:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$922
Fri 6/711:00 amSTL - YUL
Nonstop2h 23mAir Canada
Fri 6/217:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 3/27$1,217

St. Louis to Pierre Elliott Trudeau Intl flights leaving soon

Find last-minute flight options from St. Louis to Pierre Elliott Trudeau Intl 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 3,238,496 searches. Data last updated March 28, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Montreal. To prevent any unwanted surprises, users should verify their flight info before booking.
Sun 4/77:48 pmSTL - YUL
1 stop17h 52mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$465
Sat 4/611:39 amSTL - YUL
1 stop26h 01mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$531
Sun 4/76:21 pmSTL - YUL
2 stops20h 04mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$554
Sat 4/69:35 amSTL - YUL
3 stops32h 40mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$583
Sat 4/66:21 pmSTL - YUL
2 stops23h 44mMultiple Airlines
Tue 4/96:45 amYUL - STL
1 stop7h 55mMultiple Airlines
Deal found 3/27$588
Sat 4/69:35 amSTL - YUL
3 stops31h 25mMultiple Airlines
Tue 4/96:30 amYUL - STL
2 stops29h 13mMultiple Airlines
Deal found 3/27$660
Sat 4/69:35 amSTL - YUL
3 stops31h 25mMultiple Airlines
Tue 4/97:00 amYUL - STL
3 stops14h 20mMultiple Airlines
Deal found 3/27$703
Sun 4/76:27 amSTL - YUL
1 stop4h 49mWestJet
Tue 4/97:10 amYUL - STL
1 stop15h 13mWestJet
Deal found 3/27$717
Sun 4/77:48 pmSTL - YUL
2 stops18h 07mMultiple Airlines
Tue 4/96:30 amYUL - STL
2 stops29h 13mMultiple Airlines
Deal found 3/27$750

One-way flights to Pierre Elliott Trudeau Intl from St. Louis

Search for one-way flight options from St. Louis to Pierre Elliott Trudeau Intl. 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 3,238,496 searches. Data last updated March 28, 2024.
Take a look at some of the best available options we've come across on one-way flights from St. Louis to Montreal. For those needing a return trip from St. Louis, there is a search form available above.
Tue 4/237:16 pmSTL - YUL
2 stops19h 09mMultiple Airlines
Deal found 3/27$146
Tue 4/237:16 pmSTL - YUL
1 stop18h 14mMultiple Airlines
Deal found 3/27$163
Thu 4/256:24 pmSTL - YUL
1 stop19h 31mMultiple Airlines
Deal found 3/27$180
Wed 4/249:53 pmSTL - YUL
1 stop15h 47mMultiple Airlines
Deal found 3/27$189
Tue 4/2310:34 amSTL - YUL
3 stops27h 51mMultiple Airlines
Deal found 3/27$195
Wed 4/248:04 pmSTL - YUL
3 stops18h 56mMultiple Airlines
Deal found 3/27$205
Thu 4/253:55 pmSTL - YUL
3 stops20h 50mMultiple Airlines
Deal found 3/27$224
Wed 4/246:00 amSTL - YUL
2 stops15h 48mAir Canada
Deal found 3/27$240
Sun 4/77:48 pmSTL - YUL
1 stop17h 52mMultiple Airlines
Deal found 3/27$242

Find flights from St. Louis to Pierre Elliott Trudeau Intl within your budget

Customize your flight search to find flights from St. Louis to Pierre Elliott Trudeau Intl 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 3,238,496 searches. Data last updated March 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$465 - $717

Route

Depart

Return

Price

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Sun 4/7

1 stop17h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 4/9

1 stop7h 55m

$465

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Thu 4/25

1 stop9h 44m

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

Nonstop2h 35m

$497

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Thu 5/9

Nonstop2h 23m

Montreal Pierre Elliott Trudeau Intl

Sun 5/12

1 stop7h 11m

$499

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Wed 5/1

1 stop16h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

1 stop12h 16m

$510

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Fri 4/19

1 stop16h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 4/22

1 stop16h 27m

$511

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Wed 5/1

1 stop6h 08m

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

Nonstop2h 35m

$522

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Fri 5/10

1 stop16h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 5/19

1 stop16h 53m

$536

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Fri 4/19

2 stops15h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 4/22

2 stops15h 14m

$710

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Sun 4/7

1 stop4h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 4/9

1 stop15h 13m

$717

Flights are sorted by cheapest first

Deals found on 3/27

When is the best time to book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pierre Elliott Trudeau Intl. Price data was last updated on January 28, 2024.
Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

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

Average price of flights to Pierre Elliott Trudeau Intl by month

Plan your trip from St. Louis to Pierre Elliott Trudeau Intl by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Pierre Elliott Trudeau Intl is currently $198 while a round-trip flight costs $552. Price data was last updated on March 24, 2024.

Currently, February is the cheapest month in which you can book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport (average of $245). Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $446). 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

$267

February

$245

March

$316

April

$314

May

$328

June

$414

July

$446

August

$433

September

$388

October

$336

November

$299

December

$274

Temperature and rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature and rainfall totals by month.

YMQ

Temperature

15.8 - 71.6 °F

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated March 28, 2024.
Read through reviews of airlines operating flights from St. Louis to Montreal, such as Air Canada, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,418 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.5

Comfort

7.9

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

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.5

Comfort

7.9

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

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.5

Comfort

7.9

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

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.5

Comfort

7.9

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

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.5

Comfort

7.9

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

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.5

Comfort

7.9

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 St. Louis to Pierre Elliott Trudeau Intl. 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 from for flights from St. Louis to Montreal Pierre Elliott Trudeau Intl?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl. On average, Lambert-St Louis has 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day from 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $500. The cheapest flight booked recently is on Multiple Airlines for just $465, but on average you can expect to pay $529.

  • Are there nonstop flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $600 on Cheapflights?

    Cheapflights has at least 5 direct flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport under $600. A good price for a nonstop flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport is less than $792.

  • Are there last-minute flights available from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $500?

    There are currently 11+ open flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport within the next 7 days for less than $500.

  • What are the cheapest airlines flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Currently priced at $499, Air Canada will fly you from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $510 and $511, respectively. Air Canada is 12% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $240. Users have also found prices from $246 and $254 on United Airlines and American Airlines, respectively.

  • What are the most popular airlines that fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

  • What are the cheapest flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

    The cheapest flight price from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport is $446. On average you can expect to pay $1,023. The most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl), can usually be booked for $433.

  • What does STL to YUL mean?

    STL stands for Lambert-St Louis Airport, while YUL stands for Montreal Pierre Elliott Trudeau Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Pierre Elliott Trudeau Intl 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 St. Louis to Pierre Elliott Trudeau Intl 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 St. Louis to Pierre Elliott Trudeau Intl that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Pierre Elliott Trudeau Intl?

    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 St. Louis to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from St. Louis to Pierre Elliott Trudeau Intl 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 St. Louis to Pierre Elliott Trudeau Intl 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 St. Louis to Montreal Pierre Elliott Trudeau Intl Airport flight deals updated?

    The St. Louis to Montreal Pierre Elliott Trudeau Intl Airport flight deals you see on this page were last updated on 3/27.

See more FAQs

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Alternative routes for St. Louis to Pierre Elliott Trudeau Intl
See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Pierre Elliott Trudeau Intl

Discover the top 4 airlines that operate flights from St. Louis to Pierre Elliott Trudeau Intl. 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 3,238,496 searches. Data last updated March 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$237Average$503FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$250Average$550FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$273Average$502FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$383Average$622FlexibilityNo cancel feeOn-timeN/A
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Search flights from St. Louis to Pierre Elliott Trudeau Intl by cabin class

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Can Cheapflights notify me if prices for flights from St. Louis to Pierre Elliott Trudeau Intl become cheaper?

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Can I find deals on last-minute flights from St. Louis to Pierre Elliott Trudeau Intl?

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How can I compare prices from different travel booking sites for flights from St. Louis to Pierre Elliott Trudeau Intl?

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Can I find deals for flights from St. Louis to Pierre Elliott Trudeau Intl 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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