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CA $337 Cheap Flights from Québec (YQB) to St. Louis (STL)

View CA $337 flight on Wed, Sep 16, 2026Opens in a new window

Popular airlines from Jean Lesage International Airport (YQB) to Lambert-St. Louis International Airport (STL)

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Cheap flights from Québec (YQB) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $337 for one-way flights and CA $592 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 29 - Mon, Nov 2
YQB
Québec City
STL
St. Louis
CA $592 Roundtrip, found 20 hours ago
CA $592
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Thu, Oct 29 from Québec City to St. Louis, returning Mon, Nov 2, priced at CA $592 found 20 hours ago
United
Thu, Oct 29 - Thu, Nov 5
YQB
Québec City
STL
St. Louis
CA $592 Roundtrip, found 1 day ago
CA $592
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 29 from Québec City to St. Louis, returning Thu, Nov 5, priced at CA $592 found 1 day ago
Air Canada
Thu, Oct 29 - Thu, Nov 5
YQB
Québec City
STL
St. Louis
CA $595 Roundtrip, found 1 day ago
CA $595
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, Oct 29 from Québec City to St. Louis, returning Thu, Nov 5, priced at CA $595 found 1 day ago
Air Canada
Thu, Aug 20 - Sun, Sep 6
YQB
Québec City
STL
St. Louis
CA $600 Roundtrip, found 2 days ago
CA $600
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Aug 20 from Québec City to St. Louis, returning Sun, Sep 6, priced at CA $600 found 2 days ago
United
Sun, Aug 23 - Sun, Sep 6
YQB
Québec City
STL
St. Louis
CA $603 Roundtrip, found 2 days ago
CA $603
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 23 from Québec City to St. Louis, returning Sun, Sep 6, priced at CA $603 found 2 days ago
Air Canada
Thu, Aug 20 - Sat, Sep 5
YQB
Québec City
STL
St. Louis
CA $611 Roundtrip, found 2 days ago
CA $611
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Aug 20 from Québec City to St. Louis, returning Sat, Sep 5, priced at CA $611 found 2 days ago
United
Sun, Aug 23 - Sat, Sep 5
YQB
Québec City
STL
St. Louis
CA $615 Roundtrip, found 2 days ago
CA $615
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 23 from Québec City to St. Louis, returning Sat, Sep 5, priced at CA $615 found 2 days ago
American Airlines
Thu, Aug 6 - Mon, Aug 10
YQB
Québec City
STL
St. Louis
CA $615 Roundtrip, found 1 day ago
CA $615
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug 6 from Québec City to St. Louis, returning Mon, Aug 10, priced at CA $615 found 1 day ago
Air Canada
Fri, Aug 14 - Mon, Aug 31
YQB
Québec City
STL
St. Louis
CA $618 Roundtrip, found 2 days ago
CA $618
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Aug 14 from Québec City to St. Louis, returning Mon, Aug 31, priced at CA $618 found 2 days ago
Air Canada
Thu, Aug 6 - Sun, Aug 9
YQB
Québec City
STL
St. Louis
CA $629 Roundtrip, found 2 days ago
CA $629
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Aug 6 from Québec City to St. Louis, returning Sun, Aug 9, priced at CA $629 found 2 days ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $681
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $681

Frequently asked questions

How much does a flight from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from CA $337 and cheap return flights from CA $592 YQB to STL with Expedia. Return flights often range between CA$798 and CA$3071. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when YQB to STL ticket fares go up or down.
What is the cheapest month to fly from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The cheapest months to fly from YQB to STL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter YQB to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Porter Airlines is one of the cheapest airlines offering connecting return flights from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), with prices starting from around CA$944 for flights that can be booked for departure within the next year, with a layover in Pearson Intl. (YYZ). These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 12 connecting flights per day from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.). Some common connection points include Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL), and Liberty Intl. (EWR).
What is the earliest flight from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs around 5:00 AM local time. This service is operated by Air Canada and is seasonal, active in May and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You'll typically find the most flights from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) on a Tuesday, with around 21 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air Canada, United, and American Airlines. Looking at the week, Tuesday offers notably more flight options compared to other days, which usually have between 10 and 16 flights.
What are the most popular departure times for flights from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) are between 9am and 12pm. Many major carriers, including Air Canada, Porter Airlines and United, offer flights during this window. Many travellers prefer these times as they allow for a morning departure, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are no nonstop flights from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.). For flights with one stop, you can expect the journey to take around 6 hours 48 minutes. Flights with two or more stops typically take longer, averaging about 9 hours 30 minutes. The total distance covered on this route is approximately 1,783 kilometres. Keep in mind that actual travel times can vary depending on your specific routing, layover durations, and factors like weather and wind patterns.
Can you fly business or first class from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Yes, you can fly business class or first class between YQB and STL. You can fly business class with Air Canada and United.First class cabins are available on United.
How do I earn miles on a Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis, MO (STL) from Québec, QC (YQB)?
If you're planning to travel to St. Louis from Jean Lesage Intl. (YQB), you can fly directly into Lambert-St. Louis Intl. (STL). Some flights may connect through major hubs like Pearson Intl. (YYZ), Liberty Intl. (EWR), or Pierre Elliott Trudeau Intl. (YUL) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Jean Lesage Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, American Airlines
Roundtrip price
CA $591
Distance
1772 km

Book with confidence

Québec City to St. Louis Flights

The easy way to book your flights from Québec to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Québec whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Québec to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Jean Lesage Intl., YQB to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Québec to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Québec currently is just CA $592 rising to CA $629.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Québec 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Québec City to St. Louis Flights

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