STL - YQB

$288 Find Cheap Flights from St. Louis to Québec City

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Québec City departing on 9/25. 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.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Québec City

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Québec City, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Québec City, as well as popular online travel agencies
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Flights Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Québec City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Québec City

Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
5:25 pm - 1:44 pmSTL-YQB
19h 19m1 stop
American Airlines Logo
4:14 pm - 1:23 pmYQB-STL
22h 09m1 stop
$551American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
2:01 pm - 11:47 amSTL-YQB
20h 46m2 stops
American Airlines Logo
4:14 pm - 9:26 amYQB-STL
18h 12m1 stop
$560American Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
American Airlines Logo
7:23 am - 1:44 pmSTL-YQB
5h 21m1 stop
American Airlines Logo
4:14 pm - 11:48 pmYQB-STL
8h 34m1 stop
$616American Airlines
Find Deal
Wed, Aug 20 - Tue, Sep 2
American Airlines Logo
1:42 pm - 1:44 pmSTL-YQB
23h 02m1 stop
American Airlines Logo
4:14 pm - 11:35 amYQB-STL
20h 21m1 stop
$617American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
Air Canada Logo
4:05 pm - 10:10 pmSTL-YQB
5h 05m1 stop
Air Canada Logo
5:20 am - 7:38 pmYQB-STL
15h 18m1 stop
$674Air Canada
Find Deal
Tue, Sep 2 - Sat, Sep 13
United Airlines Logo
7:04 pm - 2:16 pmSTL-YQB
18h 12m1 stop
United Airlines Logo
5:20 am - 3:44 pmYQB-STL
11h 24m2 stops
$704United Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 13
United Airlines Logo
6:35 am - 10:41 pmSTL-YQB
15h 06m2 stops
United Airlines Logo
5:20 am - 3:44 pmYQB-STL
11h 24m2 stops
$714United Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
 Logo
6:35 am - 6:55 pmSTL-YQB
11h 20m2 stops
 Logo
6:10 am - 3:18 pmYQB-STL
10h 08m2 stops
Thu, Sep 4 - Sun, Sep 7
 Logo
6:35 am - 6:55 pmSTL-YQB
11h 20m2 stops
 Logo
5:20 am - 7:38 pmYQB-STL
15h 18m1 stop
Wed, Aug 20 - Sat, Aug 30
Air Canada Logo
1:30 pm - 7:36 pmSTL-YQB
5h 06m1 stop
Air Canada Logo
2:45 pm - 8:00 pmYQB-STL
6h 15m1 stop
$815Air Canada
Find Deal
Booking Insights

KAYAK's insights & trends for St. Louis to Québec City flights

Get data-powered insights and trends into flights from St. Louis to Québec City to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Québec City?

What is the cheapest month to fly from St. Louis to Québec City?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Québec City, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Québec City is January, where tickets cost $288 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $804 and $797 respectively.

Good to know

Low seasonOctober
Cheapest flight$288
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 26% increase in price.
Flight from St. Louis to Québec City

When to book flights from St. Louis to Québec City

Are your dates flexible? Find out the best times to travel from St. Louis to Québec City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Québec City

  • What is the cheapest flight from St. Louis to Québec City?

    In the last 3 days, the lowest price for a flight from St. Louis to Québec City was $288 for a one-way ticket and $551 for a round-trip.

  • Do I need a passport to fly between St. Louis and Québec City?

    Yes, you'll most likely have to show a valid passport before boarding the plane in St. Louis and on arrival in Québec City.

  • Which aircraft models fly most regularly from St. Louis to Québec City?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Québec City?

    oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Québec City, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Québec City, United Airlines or Air Canada?

    The two airlines most popular with KAYAK users for flights from St. Louis to Québec City are United Airlines and Air Canada. With an average price for the route of $729 and an overall rating of 7.4, United Airlines is the most popular choice. Air Canada is also a great choice for the route, with an average price of $699 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from St. Louis to Québec City?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Québec City.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Québec City?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Québec City from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Québec City?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Québec City with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and YQB can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Québec City?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Québec City from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from St. Louis to Québec City

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Québec City. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Québec City? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8900 reviews
6.6Food
7.1Entertainment
7.3Comfort
7.7Boarding
8.1Crew
Airline reviews

the delay for 3 hours was understandable due to weather conditions but the flight should’ve provided some on flight compensations or at least provide more food.

4.0 OkayAnna, Jul 2025IAH - YYZ
Read more United Airlines reviews

the delay for 3 hours was understandable due to weather conditions but the flight should’ve provided some on flight compensations or at least provide more food.

Our flight was understandably diverted to a small regional airport in Laramie, Wyoming due to weather conditions, which I fully recognize and appreciate. However, the low rating stems from the experience that followed: passengers remained on board for over an hour without the option to deplane and stretch, despite the aircraft being stationary. Although the pilot opened the cabin door, only he was permitted to exit. Meanwhile, passengers grew increasingly uncomfortable as warm summer air entered the cabin through the open door, and being in the second row meant we were impacted immediately. While the flight attendants made efforts to keep everyone at ease, I believe allowing passengers to deplane briefly, given the extended delay, would have significantly improved the overall experience.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

Boarding experience was smooth. Flight attendants were friendly and helpful. Entertainment system on the Houston-Edmonton flight did not function for passengers on the left side of the aisle. On the bird's eye flight from Quito to Houston, they should not serve a meal. No one needs to eat after midnight and it is disturbing for those passengers trying to sleep.

Flight was late as pilot crew had to land at different airport in their previous flight. Passengers boarded and had to wait for pilots inside plane. Series of incomplete and unnecessary announcements by an annoying voice, rather than complete, informative announcements.

Delay and keep changing gates. I have to run around from B to C then to E.

Boarding was a little difficult. The gate area at O'Hare was very small and crowded due to multiple gates in the area. Could not hear the intercom, so had to rely on signage to see when my group was boarding and the signage was blocked by passengers standing in the gate. Flight was great and we arrived in Montreal on time.

My suitcase was completed destroyed. The top part is broken and unusable now.

When I booked it on Kayak it aaid that I wasn't allowed hamd luggage. I called United Airlines and it took them 6 minutes to figure out if I was allowed free hand luggage. Surely something that simple they should be able to tell me instantly.

I do prefer to fly United and have always had excellent service, except for bad weather. Flights are on time and staff is alway curtious and helpful

I had a good experience. I liked being informed about the status of my luggage

Wow! Both way we came in in advance! Now that's a first with AC!

I am very tall. All airline seats are a bit uncomfortable.

Terrible confusion btw air Canada and United. Wasn’t able to change ticket because I had purchased on kayak. Rethinking booking tickets on this site, and will try to avoid United and aircanada going forward.

The plane is too cramped! Zero leg room and when the person in front of me put their seat back they were basically laying in my lap.

They canceled my flight and then refused to reschedule me on another flight. I had to take a train. No compensation. I won't use Air Canada again.

Great overall. Quick boarding, attentive staff - great experience in premium class.

SIX HOUR FLIGHT DELAY!! $15.00 voucher to apologize. Missed our first tour in Quebec.

1. Nowhere to sit at the gate D4 2. No control of lining up in different zones 3. People pushing in during the line up of zones. 4. Certainly not in a dignified manner.

Air Canada was great! From the airport at Montreal to boarding to the food on board the plane. The crew was great too! There was a slight issue with some other peoples’ tickets that I overheard about but the crew handled with care immediately to ensure everyone was comfortable and we could takeoff! Great experience with Air Canada

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

Information on your arrival and departure airports

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