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Cheap flights from St. Louis (STL) to Pierre Elliott Trudeau Intl (YUL) from $159

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 6/24. 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
jun. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
1 adult, Economy
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The best prices from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl are usually found in January or December, booked 65 days in advance, depart on a Monday or Tuesday and return on a Thursday

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 junio 6, 2024.

Popular in

June

Cheapest in

January

Average price

$830

Round-trip from

$276
High demand for flights, 33% potential price rise
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Best time to find cheap flights, 32% potential price drop
Search Deals
Average for round-trip flights in June 2024
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From Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl
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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 53 days early can save you up to 191% on average compared to booking a flight this week. If booking 53 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 $392 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 $756 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 February tends to be the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from St. Louis. Users have commonly found prices around $513 for the month, but tickets can be as low as $219. Due to multiple factors, prepare for potentially higher prices in August.

What is the cheapest time of day to fly from STL to YUL?

It’s typically best to fly out from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in the evening. Doing so could potentially save you 55% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap St. Louis to Pierre Elliott Trudeau Intl flights in June & July 2024

Find cheap flight options from St. Louis to Pierre Elliott Trudeau Intl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 6, 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.
mar. 6/1811:57 amSTL - YUL
3 stops24h 48mMultiple Airlines
dom. 6/238:00 amYUL - STL
1 stop10h 25mMultiple Airlines
Deal found 6/4$393
mar. 6/1811:57 amSTL - YUL
3 stops24h 48mMultiple Airlines
dom. 6/2310:40 amYUL - STL
3 stops25h 50mMultiple Airlines
Deal found 6/4$395
mié. 7/1012:00 pmSTL - YUL
3 stops33h 50mMultiple Airlines
mar. 7/1610:45 amYUL - STL
3 stops25h 45mMultiple Airlines
Deal found 6/5$406
vie. 7/124:45 pmSTL - YUL
3 stops20h 50mMultiple Airlines
mar. 7/1612:50 pmYUL - STL
3 stops23h 40mMultiple Airlines
Deal found 6/5$428
jue. 7/116:19 pmSTL - YUL
3 stops27h 31mMultiple Airlines
lun. 7/1510:45 amYUL - STL
3 stops23h 41mMultiple Airlines
Deal found 6/5$430
jue. 7/185:00 pmSTL - YUL
3 stops28h 50mMultiple Airlines
dom. 7/2110:40 amYUL - STL
3 stops21h 25mMultiple Airlines
Deal found 6/5$434
sáb. 7/276:09 pmSTL - YUL
1 stop16h 44mAmerican Airlines
mar. 7/3012:35 pmYUL - STL
1 stop10h 19mAmerican Airlines
Deal found 6/5$460
mar. 6/187:29 pmSTL - YUL
2 stops17h 16mMultiple Airlines
dom. 6/238:00 amYUL - STL
1 stop10h 25mMultiple Airlines
Deal found 6/4$469
vie. 7/124:45 pmSTL - YUL
3 stops20h 50mMultiple Airlines
dom. 7/144:10 pmYUL - STL
3 stops25h 35mMultiple Airlines
Deal found 6/5$478

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 3,050,429 searches. Data last updated junio 6, 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.
mar. 6/1811:57 amSTL - YUL
3 stops24h 48mMultiple Airlines
dom. 6/238:00 amYUL - STL
1 stop10h 25mMultiple Airlines
Deal found 6/4$393
mar. 6/1811:57 amSTL - YUL
3 stops24h 48mMultiple Airlines
dom. 6/2310:40 amYUL - STL
3 stops25h 50mMultiple Airlines
Deal found 6/4$395
mié. 7/1012:00 pmSTL - YUL
3 stops33h 50mMultiple Airlines
mar. 7/1610:45 amYUL - STL
3 stops25h 45mMultiple Airlines
Deal found 6/5$406
vie. 7/124:45 pmSTL - YUL
3 stops20h 50mMultiple Airlines
mar. 7/1612:50 pmYUL - STL
3 stops23h 40mMultiple Airlines
Deal found 6/5$428
jue. 7/116:19 pmSTL - YUL
3 stops27h 31mMultiple Airlines
lun. 7/1510:45 amYUL - STL
3 stops23h 41mMultiple Airlines
Deal found 6/5$430
jue. 7/185:00 pmSTL - YUL
3 stops28h 50mMultiple Airlines
dom. 7/2110:40 amYUL - STL
3 stops21h 25mMultiple Airlines
Deal found 6/5$434
mar. 9/312:59 pmSTL - YUL
1 stop9h 11mDelta
sáb. 9/76:14 amYUL - STL
2 stops11h 23mDelta
Deal found 6/6$451
sáb. 7/276:09 pmSTL - YUL
1 stop16h 44mAmerican Airlines
mar. 7/3012:35 pmYUL - STL
1 stop10h 19mAmerican Airlines
Deal found 6/5$460
dom. 9/14:22 pmSTL - YUL
1 stop18h 37mAmerican Airlines
sáb. 9/712:30 pmYUL - STL
1 stop10h 39mAmerican Airlines
Deal found 6/4$461

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 3,050,429 searches. Data last updated junio 6, 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.
sáb. 6/1512:45 pmSTL - YUL
3 stops24h 35mMultiple Airlines
mar. 6/186:50 amYUL - STL
2 stops31h 15mMultiple Airlines
Deal found 6/5$513
sáb. 6/156:22 pmSTL - YUL
2 stops18h 58mMultiple Airlines
mar. 6/186:50 amYUL - STL
2 stops31h 15mMultiple Airlines
Deal found 6/5$545
sáb. 6/1511:34 amSTL - YUL
2 stops19h 41mMultiple Airlines
mar. 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 6/5$547
sáb. 6/1512:45 pmSTL - YUL
3 stops24h 35mMultiple Airlines
mar. 6/186:50 amYUL - STL
3 stops31h 15mMultiple Airlines
Deal found 6/5$548
sáb. 6/156:22 pmSTL - YUL
1 stop19h 38mMultiple Airlines
mar. 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 6/5$582
sáb. 6/157:15 amSTL - YUL
1 stop9h 27mDelta
mar. 6/187:00 amYUL - STL
1 stop8h 30mDelta
Deal found 6/5$747
sáb. 6/157:15 amSTL - YUL
1 stop9h 27mDelta
mar. 6/187:00 amYUL - STL
2 stops11h 20mDelta
Deal found 6/5$786
sáb. 6/155:25 pmSTL - YUL
1 stop5h 29mWestJet
mar. 6/1812:46 pmYUL - STL
1 stop7h 33mWestJet
Deal found 6/6$806
dom. 6/164:02 pmSTL - YUL
1 stop6h 52mDelta
mar. 6/186:14 amYUL - STL
2 stops12h 06mDelta
Deal found 6/5$808

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 3,050,429 searches. Data last updated junio 6, 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.
lun. 6/246:16 pmSTL - YUL
1 stop19h 04mMultiple Airlines
Deal found 6/5$159
sáb. 6/1511:34 amSTL - YUL
1 stop25h 46mMultiple Airlines
Deal found 6/5$172
lun. 6/242:00 pmSTL - YUL
3 stops31h 50mMultiple Airlines
Deal found 6/5$191
vie. 7/56:04 amSTL - YUL
1 stop9h 36mAmerican Airlines
Deal found 6/5$195
jue. 9/196:00 amSTL - YUL
1 stop9h 36mAmerican Airlines
Deal found 6/5$211
sáb. 6/1511:34 amSTL - YUL
2 stops19h 41mMultiple Airlines
Deal found 6/5$237
dom. 7/284:45 pmSTL - YUL
3 stops20h 00mMultiple Airlines
Deal found 6/5$241
vie. 7/53:10 pmSTL - YUL
2 stops18h 01mUnited Airlines
Deal found 6/5$245
dom. 7/287:31 pmSTL - YUL
1 stop17h 49mMultiple Airlines
Deal found 6/5$254

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 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$393 - $559

Route

Depart

Return

Price

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

mar. 6/18

3 stops24h 48m

Montreal Pierre Elliott Trudeau Intl

dom. 6/23

1 stop10h 25m

$393

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

mar. 6/18

3 stops24h 48m

Montreal Pierre Elliott Trudeau Intl

dom. 6/23

3 stops25h 50m

$395

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

mié. 7/10

3 stops33h 50m

Montreal Pierre Elliott Trudeau Intl

mar. 7/16

3 stops25h 45m

$406

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

mar. 9/3

1 stop9h 11m

Montreal Pierre Elliott Trudeau Intl

sáb. 9/7

2 stops11h 06m

$451

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

sáb. 7/27

1 stop16h 44m

Montreal Pierre Elliott Trudeau Intl

mar. 7/30

1 stop10h 19m

$460

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

dom. 9/1

1 stop18h 37m

Montreal Pierre Elliott Trudeau Intl

sáb. 9/7

1 stop10h 39m

$461

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

lun. 9/9

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

mar. 9/17

2 stops11h 14m

$490

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

sáb. 7/13

Nonstop2h 23m

Montreal Pierre Elliott Trudeau Intl

mar. 7/16

1 stop6h 31m

$551

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

vie. 7/5

1 stop9h 04m

Montreal Pierre Elliott Trudeau Intl

mar. 7/9

Nonstop2h 35m

$559

Flights are sorted by cheapest first

Deals found on 6/4

How far ahead should I 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 May 31, 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

What is the cheapest day 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 June 2, 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 Sunday mornings 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

Best time to book a flight from St. Louis to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl 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.

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

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 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 junio 6, 2024.
Read through reviews of airlines operating flights from St. Louis to Montreal, such as American Airlines, Delta and Air Canada. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,696 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,227 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
7,044 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 5 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 $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $400. The cheapest flight booked recently is on Multiple Airlines for just $393, but on average you can expect to pay $456.

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

    Cheapflights has at least 20 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 $795.

  • Are there last-minute flights available from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $600?

    There are currently 19+ open flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport within the next 7 days for less than $600.

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

    Currently priced at $451, Delta will fly you from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $460. Delta is 19% 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 American Airlines. According to our data, you can fly for as low as $195. Users have also found prices from $245 and $331 on United Airlines and Air Canada, respectively.

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

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from St. Louis, check out the most reliable airlines to get you to your destination on time: Air Canada (58%), Jazz (58%), United Airlines( 58%).

  • 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 $274. On average you can expect to pay $827. The most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl), can usually be booked for $365.

  • 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 on your St. Louis to Pierre Elliott Trudeau Intl flight 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 St. Louis to Pierre Elliott Trudeau Intl 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 find direct flights from St. Louis to Pierre Elliott Trudeau Intl.

  • 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 flying from St. Louis to Pierre Elliott Trudeau Intl 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.

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

    Yes, you can often find last-minute deals on St. Louis to Pierre Elliott Trudeau Intl 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 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 6/6.

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

    The most popular airlines flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

    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 $246). Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $444). 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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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.

Kansas City to Pierre Elliott Trudeau Intl flights
Springfield to Pierre Elliott Trudeau Intl flights
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Joplin to Pierre Elliott Trudeau Intl flights

Top 5 airlines flying from St. Louis to Pierre Elliott Trudeau Intl

Discover the top 5 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 3,050,429 searches. Data last updated junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$237Average$503FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$267Average$562FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$274Average$502FlexibilityNo cancel feeOn-time71%
DeltaCheapest$383Average$591FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$501Average$645FlexibilityNo cancel feeOn-time60%
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Search flights from St. Louis to Pierre Elliott Trudeau Intl by cabin class

Find flights from St. Louis to Pierre Elliott Trudeau Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from St. Louis to Pierre Elliott Trudeau Intl

Find hourly flight availability from St. Louis to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 6, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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