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Cheap flights from St. Louis to Québec City from C$ 227

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
25 Feb — 4 Mar1
1 adult

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 20 February 2025.

Round-trip from

C$ 634

One-way from

C$ 227

Popular in

September

Cheapest in

January

Average price

C$ 581
Air Canada
  • Air Canada
  • 5/3-12/3
  • 2 total stops
  • 11h 52m total
  • St. Louis to Québec City
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Air Canada
  • Air Canada
  • 5/4
  • 2 total stops
  • 9h 11m total
  • St. Louis to Québec City
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 209 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
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 20 February 2025.

Wed 5/33:50 p.m.STL - YQB
1 stop6h 16mAir Canada
Wed 12/310:30 a.m.YQB - STL
1 stop5h 36mAir Canada
Deal found 19/2C$ 634
Wed 5/37:05 a.m.STL - YQB
2 stops15h 01mMultiple Airlines
Wed 12/36:45 a.m.YQB - STL
2 stops9h 21mMultiple Airlines
Deal found 19/2C$ 655
Sun 6/41:12 p.m.STL - YQB
2 stops19h 13mUnited Airlines
Sun 13/410:30 a.m.YQB - STL
1 stop5h 19mUnited Airlines
Deal found 20/2C$ 680

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 629,999 searches. Data last updated 20 February 2025.

Fly from

St. Louis

Fly to

Québec City

Route

Depart

Return

Price

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/3

3:50 p.m.-11:06 p.m.

1 stop6h 16m

Québec City

Wed 12/3

10:30 a.m.-3:06 p.m.

1 stop5h 36m

C$ 634

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/3

7:05 a.m.-11:06 p.m.

2 stops15h 01m

Québec City

Wed 12/3

6:45 a.m.-3:06 p.m.

2 stops9h 21m

C$ 655

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 6/4

1:12 p.m.-9:25 a.m.

2 stops19h 13m

Québec City

Sun 13/4

10:30 a.m.-2:49 p.m.

1 stop5h 19m

C$ 680

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 5/4

8:00 a.m.-6:11 p.m.

2 stops9h 11m

C$ 227

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 10/3

6:55 p.m.-1:30 p.m.

2 stops17h 35m

C$ 480

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 16/6

6:33 a.m.-3:29 p.m.

1 stop7h 56m

C$ 499

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

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, May is the cheapest month in which you can book a flight from St. Louis to Québec City (average of C$ 258). Flying from St. Louis to Québec City in December is currently the most expensive (average of C$ 432). 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 20 February 2025.
United Airlines
7.4
Good
8,766 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.7

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
8,766 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.7

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!

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.7

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
8,766 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.7

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?

    Cheapflights users have booked flights from St. Louis to Québec City round-trip from C$ 634. Another airline that can offer you cheap pricing is United Airlines. These flights start at 23% lower than the current average price 3 months from now.

  • 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, May is the cheapest month in which you can book a flight from St. Louis to Québec City (average of C$ 258). Flying from St. Louis to Québec City in December is currently the most expensive (average of C$ 432). 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
Victoriaville
Baie-Saint-Paul

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Québec City?

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