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Québec City

$672+ Cheap flights from St. Louis (STL) to Québec City (YQB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
feb. 19 — feb. 261
jue. 2/19
jue. 2/26
1 adult, Economy
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Cheap 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 enero 20, 2026.

This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/3112:10 pm
STL
-
YQB
1 stop6h 31m
Air Canada
mié. 9/22:50 pm
YQB
-
STL
1 stop4h 37m
Air Canada
Deal found 1/19$672
This United Airlines deal was found by Cheapflights users on 1/19. 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.
lun. 2/99:57 am
STL
-
YQB
2 stops11h 50m
United Airlines
jue. 2/126:00 am
YQB
-
STL
2 stops9h 29m
United Airlines
Deal found 1/19$695
This Air Canada deal was found by Cheapflights users on 1/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/187:30 am
STL
-
YQB
1 stop5h 00m
Air Canada
dom. 5/242:50 pm
YQB
-
STL
1 stop6h 15m
Air Canada
Deal found 1/17$698
This Air Canada deal was found by Cheapflights users on 1/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/94:05 pm
STL
-
YQB
1 stop6h 23m
Air Canada
jue. 2/1210:55 am
YQB
-
STL
1 stop5h 34m
Air Canada
Deal found 1/18$703
This Air Canada deal was found by Cheapflights users on 1/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/59:10 am
STL
-
YQB
2 stops8h 42m
Air Canada
sáb. 10/177:25 am
YQB
-
STL
2 stops8h 51m
Air Canada
Deal found 1/18$713
This United Airlines deal was found by Cheapflights users on 1/17. 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.
sáb. 3/2111:25 am
STL
-
YQB
2 stops10h 22m
United Airlines
vie. 3/2711:49 am
YQB
-
STL
2 stops10h 34m
United Airlines
Deal found 1/17$727
This Air Canada deal was found by Cheapflights users on 1/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/154:05 pm
STL
-
YQB
2 stops16h 54m
Air Canada
mié. 2/189:15 am
YQB
-
STL
2 stops7h 14m
Air Canada
Deal found 1/18$744
This United Airlines deal was found by Cheapflights users on 1/18. 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.
jue. 3/57:41 am
STL
-
YQB
2 stops7h 17m
United Airlines
jue. 3/1210:55 am
YQB
-
STL
1 stop5h 34m
United Airlines
Deal found 1/18$766

Find 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 enero 20, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$693
(Air Canada)

Popular in

July

Cheapest in

October
Provider with most accurate pricing for Lambert-St Louis-Québec City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Québec City flights.
Search Deals
From Lambert-St Louis to Québec City
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals

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 enero 20, 2026.
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

lun. 2/9

11:20 am-10:47 pm

2 stops10h 27m

Québec City

jue. 2/12

6:00 am-2:29 pm

2 stops9h 29m

$695

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

lun. 5/18

7:30 am-1:30 pm

1 stop5h 00m

Québec City

dom. 5/24

2:50 pm-8:05 pm

1 stop6h 15m

$698

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

sáb. 3/21

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

vie. 3/27

10:55 am-3:29 pm

1 stop5h 34m

$703

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

dom. 2/15

4:05 pm-10:48 pm

1 stop5h 43m

Québec City

mié. 2/18

9:15 am-3:29 pm

2 stops7h 14m

$711

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

lun. 2/9

4:05 pm-11:28 pm

1 stop6h 23m

Québec City

jue. 2/12

9:15 am-3:29 pm

2 stops7h 14m

$711

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

sáb. 3/21

11:25 am-10:47 pm

2 stops10h 22m

Québec City

vie. 3/27

11:49 am-9:23 pm

2 stops10h 34m

$727

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

jue. 3/5

7:41 am-3:58 pm

2 stops7h 17m

Québec City

jue. 3/12

10:55 am-3:29 pm

1 stop5h 34m

$766

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Québec City flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 enero 20, 2026.
Peruse reviews from past customers who have flown with United Airlines and Air Canada from St. Louis to Québec City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,183 reviews
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,637 reviews
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from St. Louis to Québec City?

    For as low as $698, United Airlines can have you in Québec City from St. Louis in 5h. The distance from St. Louis to Québec City is about 1107 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Québec City round-trip?

    Air Canada, at $193, 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 69% 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?

    $172 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $182 and $350, 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from St. Louis to Québec City

Discover the top 2 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 enero 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$193Average$788FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$320Average$750FlexibilityNo cancel feeOn-time69%

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