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Cheap flights from St. Louis to Québec City from C$ 359

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
2 Jun — 9 Jun1
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 28 May 2025.

Round-trip from

C$ 795

One-way from

C$ 465

Popular in

September

Cheapest in

January

Average price

C$ 893
12/7-19/7
  • 12/7-19/7
  • 5 total stops
  • 53h 45m total
  • St. Louis to Québec City
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American Airlines
  • American Airlines
  • 16/6
  • 1 total stop
  • 20h 17m total
  • St. Louis to Québec City
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 125 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 28 May 2025.

Sat 12/710:45 a.m.STL - YQB
2 stops32h 15mMultiple Airlines
Sat 19/78:15 p.m.YQB - STL
3 stops21h 30mMultiple Airlines
Deal found 28/5C$ 795
Sat 12/74:05 p.m.STL - YQB
1 stop5h 05mAir Canada
Sat 19/710:25 a.m.YQB - STL
1 stop5h 56mAir Canada
Deal found 28/5C$ 928
Thu 14/88:00 p.m.STL - YQB
1 stop16h 44mAmerican Airlines
Mon 18/84:10 p.m.YQB - STL
1 stop24h 38mAmerican Airlines
Deal found 28/5C$ 1,034
Sat 27/125:00 a.m.STL - YQB
1 stop8h 13mUnited Airlines
Sat 3/110:20 a.m.YQB - STL
1 stop6h 06mUnited Airlines
Deal found 27/5C$ 1,113

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 629,999 searches. Data last updated 28 May 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

Sat 12/7

10:45 a.m.-8:00 p.m.

2 stops32h 15m

Québec City

Sat 19/7

8:15 p.m.-4:45 p.m.

3 stops21h 30m

C$ 795

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 12/7

4:05 p.m.-10:10 p.m.

1 stop5h 05m

Québec City

Sat 19/7

10:25 a.m.-3:21 p.m.

1 stop5h 56m

C$ 928

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 4/10

9:55 a.m.-1:44 p.m.

1 stop26h 49m

Québec City

Tue 7/10

4:10 p.m.-11:49 p.m.

1 stop8h 39m

C$ 1,044

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 3/10

4:05 p.m.-10:00 p.m.

1 stop4h 55m

Québec City

Tue 7/10

11:20 a.m.-3:18 p.m.

1 stop4h 58m

C$ 1,116

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 4/9

7:37 p.m.-6:40 p.m.

2 stops22h 03m

C$ 359

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 16/6

4:23 p.m.-1:40 p.m.

1 stop20h 17m

C$ 465

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 4/9

1:30 p.m.-7:46 p.m.

1 stop5h 16m

C$ 512

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 4/9

4:40 p.m.-12:02 p.m.

3 stops18h 22m

C$ 731

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/5

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, 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 28 May 2025.
United Airlines
7.4
Good
8,756 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.0

Comfort

7.3

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
8,756 reviews
United Airlines
7.4
Good
8,756 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.0

Comfort

7.3

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
8,756 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.0

Comfort

7.3

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
7.1
Good
9,443 reviews
United Airlines
7.4
Good
8,756 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.0

Comfort

7.3

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?

    Cheapflights users have booked flights from St. Louis to Québec City round-trip from C$ 928. Other airlines that can offer you cheap pricing are American Airlines, from C$ 1,047, and United Airlines, from C$ 1,127.

  • 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

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