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$274+ Cheap flights from St. Louis (STL) to Quebec

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from St. Louis to Quebec

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Quebec (CAQC). 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 December 18, 2024.

Round-trip from

$355
(Kiwi.com)

One-way from

$274
(American Airlines)
From Lambert-St Louis to Quebec
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One-way flight from Lambert-St Louis to Quebec
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Find flight deals from St. Louis to Quebec

Cheapest flights from St. Louis to Quebec
Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:27 pmSTL - YUL
1 stop21h 28mMultiple Airlines
Mon 12/303:55 pmYUL - STL
1 stop24h 26mMultiple Airlines
Deal found 12/16$561
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/263:50 pmSTL - YQB
1 stop6h 16mAir Canada
Mon 12/306:00 amYQB - STL
2 stops10h 06mAir Canada
Deal found 12/17$652
This United deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/263:50 pmSTL - YQB
1 stop6h 16mMultiple Airlines
Mon 12/307:05 pmYQB - STL
2 stops21h 01mMultiple Airlines
Deal found 12/17$780
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:30 amSTL - YUL
1 stop4h 50mAmerican Airlines
Sun 1/55:30 pmYUL - STL
1 stop18h 39mAmerican Airlines
Deal found 12/17$849
This Justfly.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:17 pmSTL - YUL
1 stop5h 41mWestJet
Sat 12/286:05 amYUL - STL
1 stop16h 24mWestJet
Deal found 12/16$852
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:00 amSTL - YUL
1 stop4h 32mAir Canada
Sat 1/49:15 amYUL - STL
1 stop6h 51mAir Canada
Deal found 12/17$884
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/233:24 pmSTL - YUL
1 stop7h 34mDelta
Fri 12/271:00 pmYUL - STL
1 stop9h 35mDelta
Deal found 12/16$921
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:25 amSTL - YUL
2 stops10h 20mUnited Airlines
Mon 12/308:05 amYUL - STL
1 stop15h 11mUnited Airlines
Deal found 12/16$972
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:04 amSTL - YOW
1 stop5h 16mMultiple Airlines
Fri 1/310:05 amYOW - STL
1 stop6h 01mMultiple Airlines
Deal found 12/17$1,246
This United deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/181:10 pmSTL - YOW
2 stops7h 51mUnited Airlines
Fri 1/36:20 amYOW - STL
1 stop10h 27mUnited Airlines
Deal found 12/17$1,274
This Air Canada deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1911:30 amSTL - YOW
1 stop8h 54mAir Canada
Fri 12/2710:05 amYOW - STL
1 stop6h 01mAir Canada
Deal found 12/18$1,345

Find flights from St. Louis to Quebec within your budget

Customize your flight search to find flights from St. Louis to Quebec 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 1/14

3:48 pm-2:55 pm

1 stop22h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 1/15

6:35 pm-2:43 pm

1 stop21h 08m

$355

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/1

12:41 pm-11:28 pm

2 stops9h 47m

Québec City

Sat 2/8

6:00 am-2:14 pm

2 stops9h 14m

$377

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 1/10

6:05 am-4:22 pm

1 stop9h 17m

Montreal Pierre Elliott Trudeau Intl

Sun 1/12

11:20 am-8:58 am

1 stop22h 38m

$471

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 1/15

1:00 pm-10:10 am

1 stop20h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 1/22

10:54 am-10:09 pm

2 stops12h 15m

$539

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/1

1:00 pm-3:31 pm

3 stops25h 31m

Québec City

Sat 2/8

6:00 am-2:14 pm

2 stops9h 14m

$592

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 1/11

3:35 pm-11:36 pm

1 stop7h 01m

Montreal Pierre Elliott Trudeau Intl

Sun 1/12

6:00 am-10:54 am

1 stop5h 54m

$596

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Wed 1/15

9:20 am-8:20 pm

3 stops34h 00m

Ottawa

Tue 1/21

9:20 am-12:10 pm

3 stops27h 50m

$714

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 2/13

6:30 am-10:04 pm

2 stops14h 34m

Montreal Pierre Elliott Trudeau Intl

Sun 2/16

6:10 pm-3:40 pm

2 stops22h 30m

$759

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 6/3

1:30 pm-5:00 pm

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 6/18

1:10 pm-7:40 pm

1 stop7h 30m

$768

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sat 2/1

6:30 am-6:54 pm

2 stops11h 24m

Ottawa

Fri 2/28

6:00 am-3:40 pm

2 stops10h 40m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 15 results
1
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Best time to book a flight from St. Louis to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Quebec

Get recent, data-driven insights about flights from St. Louis to Quebec including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Quebec (average of $252). Flying from St. Louis to Quebec in July is currently the most expensive (average of $409). 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 STL to QC?

Find hourly flight availability from St. Louis to Quebec. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from St. Louis to Quebec, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Quebec by month

Plan your trip to Quebec by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Quebec ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Quebec when rainfall is around 2.5 in.

Temperature in Quebec by month

Plan your trip to Quebec by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Quebec, 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 Quebec

Get insights into the airlines that provide service to Quebec. 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 Quebec. Reviews last updated December 18, 2024.
Read through reviews of airlines operating flights from St. Louis to Quebec, such as Air Canada, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
9,055 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

WestJet
7.3
Good
2,818 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Air Canada
7.0
Good
8,382 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Quebec. 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 Quebec?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Quebec.

  • What are the cheapest airlines to fly from St. Louis to Quebec one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $274. Air Canada flights start at $509 while deals on United Airlines start at $651 one-way.

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

    The most popular flight routes from St. Louis to Quebec are Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl, Lambert-St Louis - Québec City and Lambert-St Louis - Ottawa.

  • What are the most reliable airlines from St. Louis to Quebec?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Quebec on time: Air Canada (73%), Jazz (73%), United Airlines (73%).

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

    On average you can expect to pay $1,173 for a flight from St. Louis to Quebec. The cheapest flight overall is $549 while the most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl) is currently priced at $355.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Quebec.

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

    Yes. Cheapflights offers flight deals from St. Louis to Quebec 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 St. Louis to Quebec?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Quebec (average of $252). Flying from St. Louis to Quebec in July is currently the most expensive (average of $409). 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.

See more FAQs

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Alternative routes for St. Louis to Quebec

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Quebec

Discover the top 4 airlines that operate flights from St. Louis to Quebec. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$261Average$610FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$262Average$676FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$300Average$649FlexibilityNo cancel feeOn-time71%
DeltaCheapest$383Average$570FlexibilityNo cancel feeOn-timeN/A
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