Find flights
When to book
Airlines
FAQs

Cheap flights from St. Louis to Québec City from C$ 269

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
2 Apr — 9 Apr1
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 March 2025.

Round-trip from

C$ 513

One-way from

C$ 269

Popular in

September

Cheapest in

January

Average price

C$ 1,108
Air Canada
  • Air Canada
  • 11/5-18/5
  • 3 total stops
  • 12h 52m total
  • St. Louis to Québec City
Search Deals
Air Canada
  • Air Canada
  • 12/5
  • 1 total stop
  • 5h 06m total
  • St. Louis to Québec City
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 2025.

Sun 11/51:30 p.m.STL - YQB
1 stop5h 06mAir Canada
Sun 18/55:50 a.m.YQB - STL
2 stops7h 46mAir Canada
Deal found 27/3C$ 513
Sat 24/57:30 a.m.STL - YQB
1 stop7h 15mMultiple Airlines
Thu 29/55:50 a.m.YQB - STL
2 stops7h 46mMultiple Airlines
Deal found 27/3C$ 635
Sun 17/85:00 a.m.STL - YQB
2 stops16h 00mUnited Airlines
Fri 22/85:20 a.m.YQB - STL
3 stops14h 13mUnited Airlines
Deal found 27/3C$ 1,259

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 March 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

Sun 11/5

1:30 p.m.-7:36 p.m.

1 stop5h 06m

Québec City

Sun 18/5

5:50 a.m.-12:36 p.m.

2 stops7h 46m

C$ 513

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 24/5

7:30 a.m.-3:45 p.m.

1 stop7h 15m

Québec City

Thu 29/5

5:50 a.m.-12:36 p.m.

2 stops7h 46m

C$ 635

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 17/8

5:00 a.m.-10:00 p.m.

2 stops16h 00m

Québec City

Fri 22/8

5:20 a.m.-6:33 p.m.

3 stops14h 13m

C$ 1,259

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 12/5

1:30 p.m.-7:36 p.m.

1 stop5h 06m

C$ 269

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 16/6

4:58 p.m.-3:30 p.m.

1 stop21h 32m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

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 March 2025.
United Airlines
7.4
Good
8,603 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Crew

8.1

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
8,603 reviews
United Airlines
7.4
Good
8,603 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Crew

8.1

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
8,603 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Crew

8.1

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
7.0
Good
8,981 reviews
United Airlines
7.4
Good
8,603 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Crew

8.1

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$ 513. Another airline that can offer you cheap pricing is United Airlines. These flights start at 35% 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

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Québec City?

Deals for St. Louis to Québec City flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Québec City from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Québec City with no change fees?

Yes, we can. To see specific flights from St. Louis to Québec City with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Québec City become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.