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Québec City

$160+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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1. Tell us where you want to go
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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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$446
(Air Canada)

One-way from

$160
(Air Canada)

Popular in

September

Cheapest in

January

Average price

$409
Provider with most accurate pricing for Lambert-St Louis-Québec City flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Québec City flights.
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From Lambert-St Louis to Québec City
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One-way flight from Lambert-St Louis to Québec City
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Highest demand for flights based on searches. 15% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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.
dom. 4/63:30 pmSTL - YQB
2 stops16h 39mAir Canada
dom. 4/136:45 amYQB - STL
2 stops9h 00mAir Canada
Deal found 2/20$448
This United Airlines deal was found by Cheapflights users on 2/20. 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.
dom. 4/61:12 pmSTL - YQB
2 stops19h 13mUnited Airlines
dom. 4/1310:30 amYQB - STL
1 stop5h 19mUnited Airlines
Deal found 2/20$479
This Mytrip deal was found by Cheapflights users on 2/20. 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.
dom. 4/66:47 pmSTL - YQB
3 stops27h 18mMultiple Airlines
dom. 4/136:00 amYQB - STL
2 stops9h 45mMultiple Airlines
Deal found 2/20$559

Find flights from St. Louis to Québec City within your budget

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 febrero 20, 2025.

Fly from

St. Louis

Fly to

Québec City

Route

Depart

Return

Price

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

dom. 4/6

3:30 pm-9:09 am

2 stops16h 39m

Québec City

dom. 4/13

6:45 am-2:45 pm

2 stops9h 00m

$448

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

dom. 4/6

1:12 pm-9:25 am

2 stops19h 13m

Québec City

dom. 4/13

10:30 am-2:49 pm

1 stop5h 19m

$479

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

dom. 4/6

6:47 pm-11:05 pm

3 stops27h 18m

Québec City

dom. 4/13

6:45 am-2:45 pm

2 stops9h 00m

$560

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

lun. 5/12

1:30 pm-7:36 pm

1 stop5h 06m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Compare providers for flights from St. Louis to Québec City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Québec City in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Québec City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Québec City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Québec City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Québec City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Québec City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from St. Louis to Québec City

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

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.

What is the cheapest time of day to fly from STL to YQB?

Find hourly flight availability from St. Louis to Québec City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

When flying from St. Louis to Québec City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 13% versus a flight at noon.

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 febrero 20, 2025.
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,765 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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?

    Air Canada, at $446, was found to be the cheapest airline from St. Louis to Québec City. An alternate airline flying to your destination would be United Airlines. Air Canada is currently priced 23% below the average price you’ll pay for this route.

  • 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

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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$249Average$692FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$300Average$617FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$423Average$648FlexibilityNo cancel feeOn-time69%
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