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

Flight 1

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 for one-way flights and £444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£444 Return, found 2 days ago
£444
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £444 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£462 Return, found 2 days ago
£462
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £462 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£462 Return, found 2 days ago
£462
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £462 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£480 Return, found 2 days ago
£480
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £480 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£484 Return, found 2 days ago
£484
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £484 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£484 Return, found 2 days ago
£484
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £484 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£502 Return, found 2 days ago
£502
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £502 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£502 Return, found 2 days ago
£502
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £502 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£520 Return, found 2 days ago
£520
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £520 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£524 Return, found 2 days ago
£524
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £524 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£537 Return, found 2 days ago
£537
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £537 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£537 Return, found 2 days ago
£537
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £537 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£542 Return, found 2 days ago
£542
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £542 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£555 Return, found 2 days ago
£555
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £555 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£555 Return, found 2 days ago
£555
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £555 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£569 Return, found 2 days ago
£569
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £569 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£569 Return, found 2 days ago
£569
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £569 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£577 Return, found 2 days ago
£577
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £577 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£577 Return, found 2 days ago
£577
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £577 found 2 days ago
Air Canada
Mon, 17 Aug - Fri, 21 Aug
YQB
Québec City
STL
St. Louis
£587 Return, found 2 days ago
£587
Return
found 2 days ago
Select Air Canada flight, departing Mon, 17 Aug from Québec City to St. Louis, returning Fri, 21 Aug, priced at £587 found 2 days ago

Frequently asked questions

How much is a flight from Québec City Jean Lesage Intl. Airport to Lambert Field?
Start packing your bags, because round-trip journeys between Québec City Jean Lesage Intl. Airport and STL start from £444. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YQB to Lambert-St. Louis Intl. Airport (STL)?
The majority of flights can be cancelled online, but whether you are charged a fee depends on your airline. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Jean Lesage Intl. Airport (YQB) to Lambert Field that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for YQB to STL flights, you'll see a "no change fees" filter for you to select.
How far is the flight from YQB to STL?
Expect to be in the air for a while, as the flight distance from Québec City Jean Lesage Intl. Airport to Lambert-St. Louis Intl. Airport (STL) is 1,800 kilometres. Set up a playlist of your favourite podcasts before leaving home to stay entertained during the flight.
Which airlines fly direct from Jean Lesage Intl. Airport (YQB) to Lambert-St. Louis Intl. Airport (STL)?
Flying directly between Québec City Jean Lesage Intl. Airport and Lambert-St. Louis Intl. Airport (STL) isn't possible at the moment. However, you'll still be able to find a flight to St. Louis with at least one stop.
Are Québec City Jean Lesage Intl. Airport to STL flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some of the cheapest airfares from YQB to STL arising a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance.

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?
One-way flights typically cost between £512 and £1,572 and return flights often range between £798 and £3,089. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
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 10 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 Liberty Intl. (EWR), Pearson Intl. (YYZ), and Pierre Elliott Trudeau Intl. (YUL).
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 at approximately 5:00 AM local time, operated by Air Canada. This is a seasonal service active in June. An early departure like this can help you maximise 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 plenty of options for your travel plans. Major airlines on this route include Air Canada, United Airlines, and American Airlines.
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 in the morning, from 9am to 12pm. Approximately 28% of passengers prefer this time window. Many major carriers, including Air Canada and United Airlines, offer flights during this window. This timing works well because it allows for a productive morning before your flight, and you'll arrive at 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.)?
Flying from YQB to STL with a connection usually takes about 11 hours 30 minutes, traveling roughly 1,108 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Québec, QC (YQB-Jean Lesage Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Select the "Business class" and "First class" filters when looking for YQB to STL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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 from Jean Lesage Intl. (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), 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.
Return price
£444
Distance
1772 km

Book with confidence

Compare flights from Québec to St. Louis easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Québec to St. Louis. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Jean Lesage Intl. to Lambert-St. Louis Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Jean Lesage Intl. (YQB) to Lambert-St. Louis Intl. (STL)

The easiest way to view the best deals on flights from Québec to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Jean Lesage Intl. to Lambert-St. Louis Intl. start at just £444 and range up to £587.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Québec and St. Louis
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Québec to St. Louis flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Jean Lesage Intl. to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Québec to St. Louis easily and book with confidence

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