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Cheap flights from Québec City to St. Louis from C$ 395

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — STL
3 Aug — 10 Aug1
1 adult

Cheap flight deals from Québec City to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Québec City (YQB) to St. Louis (STL). 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 29 July 2025.

Round-trip from

C$ 726

One-way from

C$ 395
American Airlines
  • American Airlines
  • 25/9-29/9
  • 2 total stops
  • 25h 19m total
  • Québec City to St. Louis
Search Deals
Air Canada
  • Air Canada
  • 3/9
  • 1 total stop
  • 5h 03m total
  • Québec City to St. Louis
Search Deals

Find flight deals from Québec City to St. Louis

Cheapest flights from Québec City to St. Louis
Explore the most affordable flight options available from Québec City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Thu 25/94:14 p.m.YQB - STL
1 stop8h 34mAmerican Airlines
Mon 29/97:59 p.m.STL - YQB
1 stop16h 45mAmerican Airlines
Deal found 27/7C$ 726
Thu 25/96:00 a.m.YQB - STL
2 stops10h 44mUnited Airlines
Mon 29/912:25 p.m.STL - YQB
2 stops9h 16mUnited Airlines
Deal found 27/7C$ 759
Sun 5/105:20 a.m.YQB - STL
1 stop15h 18mAir Canada
Wed 8/109:15 a.m.STL - YQB
1 stop5h 25mAir Canada
Deal found 28/7C$ 1,044
Sun 5/108:35 p.m.YQB - STL
3 stops28h 09mMultiple Airlines
Wed 8/103:30 p.m.STL - YQB
2 stops22h 55mMultiple Airlines
Deal found 28/7C$ 5,206

Cheapflights Fare Finder

 
Customize your flight search to find flights from Québec City to St. Louis 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 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Québec City to St. Louis that are best for you.

Fly from

Québec City

Fly to

St. Louis

Route

Depart

Return

Price

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 25/9

4:14 p.m.-11:48 p.m.

1 stop8h 34m

Lambert-St Louis

Mon 29/9

7:59 p.m.-1:44 p.m.

1 stop16h 45m

C$ 726

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 25/9

6:00 a.m.-3:44 p.m.

2 stops10h 44m

Lambert-St Louis

Mon 29/9

12:25 p.m.-10:41 p.m.

2 stops9h 16m

C$ 759

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 5/10

5:20 a.m.-7:38 p.m.

1 stop15h 18m

Lambert-St Louis

Wed 8/10

9:15 a.m.-3:40 p.m.

1 stop5h 25m

C$ 1,044

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 5/10

8:35 p.m.-11:44 p.m.

3 stops28h 09m

Lambert-St Louis

Wed 8/10

3:30 p.m.-3:25 p.m.

2 stops22h 55m

C$ 5,206

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 3/9

11:15 a.m.-3:18 p.m.

1 stop5h 03m

C$ 395

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Tue 30/9

5:20 a.m.-3:44 p.m.

2 stops11h 24m

C$ 398

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 3/9

4:10 p.m.-3:52 p.m.

1 stop24h 42m

C$ 451

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Mon 11/8

10:15 p.m.-4:31 p.m.

3 stops19h 16m

C$ 551

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 5/10

8:35 p.m.-11:44 p.m.

3 stops28h 09m

C$ 3,365

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Best time to book a flight from Québec City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Québec City 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 St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated 29 July 2025.
See what other customers who have flown with United Airlines,American Airlines, andAir Canada from Québec City to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,899 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
United Airlines
7.4
Good
8,899 reviews
United Airlines
7.4
Good
8,899 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,899 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
Air Canada
7.1
Good
9,822 reviews
United Airlines
7.4
Good
8,899 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
Lufthansa
6.8
Okay
7,265 reviews
United Airlines
7.4
Good
8,899 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Related info for your journey

Find useful and relevant information for your journey from Québec City to St. Louis. 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 Québec City to St. Louis round-trip?

    Cheapflights users have booked flights from Québec City to St. Louis round-trip from C$ 726. Other airlines that can offer you cheap pricing are United Airlines, from C$ 759, and Air Canada, from C$ 1,044.

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

    One-way options have recently been found by users for as low as C$ 395 on Air Canada. Other airlines that offer cheap prices include United Airlines from C$ 398 and American Airlines from C$ 451 one-way.

  • Can I find deals for flights from Québec City to St. Louis that include hotel bookings?

    Yes. In addition to deals on Québec City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Québec City to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Québec City to St. Louis.

  • Can I find deals for business class flights from Québec City to St. Louis?

    Yes. Cheapflights offers flight deals from Québec City to St. Louis 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 Québec City to St. Louis?

    Currently, January is the cheapest month in which you can book a flight from Québec City to St. Louis (average of C$ 365). Flying from Québec City to St. Louis in September is currently the most expensive (average of C$ 491). 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

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Chesterfield
St. Peters

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