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Québec City

$289+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/810:00 amSTL - YQB
2 stops11h 43mUnited Airlines
Thu 12/116:00 amYQB - STL
2 stops17h 45mUnited Airlines
Deal found 10/27$486
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/106:42 pmSTL - YQB
2 stops27h 01mUnited Airlines
Wed 12/1710:55 amYQB - STL
2 stops12h 50mUnited Airlines
Deal found 10/26$488
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 12/65:27 pmSTL - YQB
2 stops21h 31mUnited Airlines
Tue 12/95:00 amYQB - STL
2 stops11h 40mUnited Airlines
Deal found 10/27$508
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/265:24 pmSTL - YQB
2 stops21h 28mUnited Airlines
Wed 12/35:00 amYQB - STL
2 stops11h 40mUnited Airlines
Deal found 10/27$576
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/2410:00 amSTL - YQB
2 stops11h 43mUnited Airlines
Fri 11/285:00 amYQB - STL
2 stops18h 45mUnited Airlines
Deal found 10/27$583
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:57 amSTL - YQB
2 stops27h 23mMultiple Airlines
Thu 12/256:30 amYQB - STL
1 stop17h 03mMultiple Airlines
Deal found 10/27$662

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$452
(United Airlines)

One-way from

$289
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$236
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
Search Deals
One-way flight from Lambert-St Louis to Québec City
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 28, 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

Mon 2/9

9:57 am-10:47 pm

2 stops11h 50m

Québec City

Thu 2/12

5:00 am-9:00 pm

2 stops17h 00m

$466

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 2/15

7:41 am-9:45 am

2 stops25h 04m

Québec City

Wed 2/18

5:00 am-9:00 pm

2 stops17h 00m

$473

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 12/8

10:00 am-10:43 pm

2 stops11h 43m

Québec City

Thu 12/11

6:00 am-10:45 pm

2 stops17h 45m

$486

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 12/10

6:42 pm-10:43 pm

2 stops27h 01m

Québec City

Wed 12/17

10:55 am-10:45 pm

2 stops12h 50m

$488

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 12/6

5:27 pm-3:58 pm

2 stops21h 31m

Québec City

Tue 12/9

5:00 am-3:40 pm

2 stops11h 40m

$508

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 2/18

9:55 am-10:43 pm

2 stops11h 48m

Québec City

Sun 2/22

10:55 am-9:00 pm

2 stops11h 05m

$560

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 11/26

5:24 pm-3:52 pm

2 stops21h 28m

Québec City

Wed 12/3

5:00 am-3:40 pm

2 stops11h 40m

$576

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 11/24

6:43 pm-10:28 pm

2 stops26h 45m

Québec City

Fri 11/28

5:00 am-9:40 pm

2 stops17h 40m

$583

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 12/5

5:27 pm-10:47 pm

2 stops28h 20m

$289

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 12/5

4:05 pm-10:28 pm

1 stop5h 23m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 11 results
1
2

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 October.
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.

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, January is the cheapest month in which you can book a flight from St. Louis to Québec City (average of $177). Flying from St. Louis to Québec City in August is currently the most expensive (average of $795). 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.

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 October 28, 2025.
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
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,371 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 $466, United Airlines can have you in Québec City from St. Louis in 11h 50m. The distance from St. Louis to Québec City is about 1107 mi.

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

    Air Canada, at $211, 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 64% 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, January is the cheapest month in which you can book a flight from St. Louis to Québec City (average of $177). Flying from St. Louis to Québec City in August is currently the most expensive (average of $795). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$211Average$780FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$358Average$750FlexibilityNo cancel feeOn-time69%

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