HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Québec City

$252+ Cheap flights from St. Louis (STL) to Québec City (YQB)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Québec City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Québec City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Québec City (YQB). 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 June 12, 2025.

Round-trip from

$594
(American Airlines)

One-way from

$252
(Kiwi.com)

Popular in

September

Cheapest in

January

Average price

$553
From Lambert-St Louis to Québec City
Search Deals
One-way flight from Lambert-St Louis to Québec City
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from St. Louis to Québec City

Cheapest flights from St. Louis to Québec City
Explore the most affordable flight options available from St. Louis to Québec City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/147:59 pmSTL - YQB
1 stop16h 45mAmerican Airlines
Mon 8/184:14 pmYQB - STL
1 stop8h 37mAmerican Airlines
Deal found 6/11$594
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:45 amSTL - YQB
2 stops26h 10mMultiple Airlines
Sat 8/25:20 amYQB - STL
3 stops31h 50mMultiple Airlines
Deal found 6/11$629
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/261:30 pmSTL - YQB
1 stop5h 11mAir Canada
Sat 8/21:35 pmYQB - STL
2 stops7h 05mAir Canada
Deal found 6/11$634
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 11/245:18 pmSTL - YQB
1 stop19h 55mUnited Airlines
Fri 11/282:55 pmYQB - STL
1 stop8h 52mUnited Airlines
Deal found 6/12$732

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Québec City 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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Québec City that are best for you.

Fly from

St. Louis

Fly to

Québec City

Route

Depart

Return

Price

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 8/14

7:59 pm-1:44 pm

1 stop16h 45m

Québec City

Mon 8/18

4:14 pm-11:51 pm

1 stop8h 37m

$594

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 7/26

10:45 am-1:55 pm

2 stops26h 10m

Québec City

Sat 8/2

5:20 am-12:10 pm

3 stops31h 50m

$629

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 7/26

1:30 pm-7:41 pm

1 stop5h 11m

Québec City

Sat 8/2

1:35 pm-7:40 pm

2 stops7h 05m

$634

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 11/24

5:18 pm-2:13 pm

1 stop19h 55m

Québec City

Fri 11/28

2:55 pm-10:47 pm

1 stop8h 52m

$732

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 7/4

2:55 pm-6:40 pm

2 stops26h 45m

$252

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 9/25

8:03 pm-11:44 am

2 stops14h 41m

$278

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 7/4

9:15 am-3:40 pm

1 stop5h 25m

$333

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 10/18

3:23 pm-2:16 pm

1 stop21h 53m

$337

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 10/8

3:30 pm-10:56 pm

3 stops30h 26m

$2,672

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from St. Louis to Québec City

Have a flexible travel schedule? Discover the best time to fly to Québec City 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.

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Québec City (average of $363). Flying from St. Louis to Québec City in September is currently the most expensive (average of $584). 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.

Reviews of airlines servicing Québec City

Get insights into the airlines that provide service to Québec City. 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 Québec City. Reviews last updated June 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,537 reviews
United Airlines
7.4
Good
8,790 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,139 reviews
United Airlines
7.4
Good
8,790 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Québec City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    American Airlines, at $594, was found to be the cheapest airline from St. Louis to Québec City.Alternate airlines to your destination round-trip include Air Canada and United Airlines.

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

    $278 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $333 and $337, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Québec City 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 Québec City?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Québec City (average of $363). Flying from St. Louis to Québec City in September is currently the most expensive (average of $584). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from St. Louis to Québec City

Discover the top 3 airlines that operate flights from St. Louis to Québec City. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$213Average$722FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$261Average$706FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$358Average$652FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.