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Québec City

$188+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$358
(Flightnetwork)

One-way from

$188
(Air Canada)

Popular in

September

Cheapest in

January

Average price

$775
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. 13% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Flightnetwork deal was found by Cheapflights users on 3/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:30 pmSTL - YQB
1 stop5h 06mAir Canada
Wed 5/215:50 amYQB - STL
2 stops7h 46mAir Canada
Deal found 3/30$358
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/146:00 amSTL - YQB
1 stop6h 30mAmerican Airlines
Wed 5/212:15 pmYQB - STL
1 stop8h 37mAmerican Airlines
Deal found 3/30$441
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/146:30 amSTL - YQB
2 stops11h 25mUnited Airlines
Wed 5/216:00 amYQB - STL
2 stops10h 47mUnited Airlines
Deal found 3/30$462
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:00 amSTL - YQB
2 stops10h 00mMultiple Airlines
Wed 7/92:50 pmYQB - STL
1 stop6h 10mMultiple Airlines
Deal found 3/31$770

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 March 31, 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

Wed 5/14

1:30 pm-7:36 pm

1 stop5h 06m

Québec City

Wed 5/21

5:50 am-12:36 pm

2 stops7h 46m

$358

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/14

6:00 am-1:30 pm

1 stop6h 30m

Québec City

Wed 5/21

2:15 pm-9:52 pm

1 stop8h 37m

$441

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/14

6:30 am-6:55 pm

2 stops11h 25m

Québec City

Wed 5/21

6:00 am-3:47 pm

2 stops10h 47m

$462

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 7/2

5:00 am-4:00 pm

2 stops10h 00m

Québec City

Wed 7/9

2:50 pm-8:00 pm

1 stop6h 10m

$770

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 5/12

1:30 pm-7:36 pm

1 stop5h 06m

$188

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 6/16

4:37 pm-12:25 pm

2 stops18h 48m

$197

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/5

8:10 am-10:05 pm

2 stops12h 55m

$204

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/5

10:10 am-8:00 am

3 stops20h 50m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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.

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.

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 March 31, 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 March 31, 2025.
United Airlines
7.4
Good
8,614 reviews

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.0

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
8,614 reviews
United Airlines
7.4
Good
8,614 reviews

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.0

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
8,614 reviews

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.0

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
7.0
Good
9,004 reviews
United Airlines
7.4
Good
8,614 reviews

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.0

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?

    Air Canada, at $358, was found to be the cheapest airline from St. Louis to Québec City.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Air Canada is currently priced 33% below the average price you’ll pay for this route.

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

    $188 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $197 and $204, 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

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$213Average$669FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$300Average$680FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$353Average$566FlexibilityNo cancel feeOn-time69%
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