Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Québec City from $675

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Québec City departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Québec City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:22 am - 10:47 pmSTL-YQB
10h 25m1 stop
Multiple Airlines Logo
10:55 am - 3:29 pmYQB-STL
5h 34m1 stop
$675Multiple Airlines
Find Deal
Mon, Feb 2 - Thu, Feb 5
Air Canada Logo
4:05 pm - 11:28 pmSTL-YQB
6h 23m1 stop
Air Canada Logo
10:55 am - 3:29 pmYQB-STL
5h 34m1 stop
$677Air Canada
Find Deal
Mon, Feb 9 - Thu, Feb 12
Multiple Airlines Logo
7:00 am - 10:47 pmSTL-YQB
14h 47m1 stop
Multiple Airlines Logo
6:00 am - 3:29 pmYQB-STL
10h 29m2 stops
$680Multiple Airlines
Find Deal
Mon, Feb 2 - Thu, Feb 5
Air Canada Logo
4:05 pm - 10:25 pmSTL-YQB
5h 20m1 stop
Air Canada Logo
9:15 am - 3:24 pmYQB-STL
7h 09m2 stops
$682Air Canada
Find Deal
Tue, Mar 31 - Wed, Apr 1
Multiple Airlines Logo
9:57 am - 10:47 pmSTL-YQB
11h 50m2 stops
Multiple Airlines Logo
6:00 am - 3:29 pmYQB-STL
10h 29m2 stops
$690Multiple Airlines
Find Deal
Mon, Feb 2 - Thu, Feb 5
United Airlines Logo
11:25 am - 10:41 pmSTL-YQB
10h 16m2 stops
United Airlines Logo
12:45 pm - 10:59 pmYQB-STL
11h 14m2 stops
$693United Airlines
Find Deal
Tue, Mar 31 - Wed, Apr 1
United Airlines Logo
9:57 am - 10:47 pmSTL-YQB
11h 50m2 stops
United Airlines Logo
6:00 am - 4:02 pmYQB-STL
11h 02m2 stops
$694United Airlines
Find Deal
Mon, Feb 9 - Thu, Feb 12
Air Canada Logo
4:05 pm - 10:25 pmSTL-YQB
5h 20m1 stop
Air Canada Logo
5:00 am - 3:24 pmYQB-STL
11h 24m1 stop
$700Air Canada
Find Deal
Tue, Mar 31 - Wed, Apr 1
Air Canada Logo
4:05 pm - 12:28 pmSTL-YQB
19h 23m2 stops
Air Canada Logo
5:35 am - 3:29 pmYQB-STL
10h 54m2 stops
$715Air Canada
Find Deal
Sun, Feb 15 - Wed, Feb 18
Air Canada Logo
4:05 pm - 12:28 pmSTL-YQB
19h 23m2 stops
Air Canada Logo
5:35 am - 3:29 pmYQB-STL
10h 54m2 stops
$716Air Canada
Find Deal
Sun, Feb 15 - Wed, Feb 18

Air Canada flights from St. Louis to Québec City

Our best Air Canada deals on St. Louis to Québec City flight tickets
Air Canada
Feb 9
STL4:05 pmLambert-St Louis
6h 23m
1 stop
YQB11:28 pmQuébec City
Feb 12
YQB10:55 amQuébec City
5h 34m
1 stop
STL3:29 pmLambert-St Louis
$677
Find similar
Air Canada
Feb 9
STL4:05 pmLambert-St Louis
6h 23m
1 stop
YQB11:28 pmQuébec City
Feb 12
YQB9:15 amQuébec City
7h 14m
2 stops
STL3:29 pmLambert-St Louis
$682
Find similar
Air Canada
Mar 31
STL4:05 pmLambert-St Louis
5h 20m
1 stop
YQB10:25 pmQuébec City
Apr 1
YQB5:00 amQuébec City
11h 24m
1 stop
STL3:24 pmLambert-St Louis
$700
Find similar

United Airlines flights from St. Louis to Québec City

Our best United Airlines deals on St. Louis to Québec City flight tickets
United Airlines
Apr 23
STL6:30 amLambert-St Louis
6h 48m
1 stop
YQB2:18 pmQuébec City
Apr 26
YQB3:00 pmQuébec City
7h 47m
1 stop
STL9:47 pmLambert-St Louis
$679
Find similar
United Airlines
Mar 31
STL11:25 amLambert-St Louis
10h 16m
2 stops
YQB10:41 pmQuébec City
Apr 1
YQB12:45 pmQuébec City
11h 14m
2 stops
STL10:59 pmLambert-St Louis
$693
Find similar
United Airlines
Feb 9
STL9:57 amLambert-St Louis
11h 50m
2 stops
YQB10:47 pmQuébec City
Feb 12
YQB6:00 amQuébec City
11h 02m
2 stops
STL4:02 pmLambert-St Louis
$694
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from St. Louis to Québec City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 2/2

11:22 am-10:47 pm

1 stop10h 25m

Québec City

Thu 2/5

10:55 am-3:29 pm

1 stop5h 34m

$675

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 2/9

4:05 pm-11:28 pm

1 stop6h 23m

Québec City

Thu 2/12

10:55 am-3:29 pm

1 stop5h 34m

$677

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 2/2

7:00 am-10:47 pm

1 stop14h 47m

Québec City

Thu 2/5

6:00 am-3:29 pm

2 stops10h 29m

$680

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 3/31

4:05 pm-10:25 pm

1 stop5h 20m

Québec City

Wed 4/1

9:15 am-3:24 pm

2 stops7h 09m

$682

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 2/2

9:57 am-10:47 pm

2 stops11h 50m

Québec City

Thu 2/5

6:00 am-3:29 pm

2 stops10h 29m

$690

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 3/31

11:25 am-10:41 pm

2 stops10h 16m

Québec City

Wed 4/1

12:45 pm-10:59 pm

2 stops11h 14m

$693

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

6:00 am-4:02 pm

2 stops11h 02m

$694

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 3/31

4:05 pm-10:25 pm

1 stop5h 20m

Québec City

Wed 4/1

5:00 am-3:24 pm

1 stop11h 24m

$700

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 2/15

4:05 pm-12:28 pm

2 stops19h 23m

Québec City

Wed 2/18

5:35 am-3:29 pm

2 stops10h 54m

$715

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 2/15

4:05 pm-12:28 pm

2 stops19h 23m

Québec City

Wed 2/18

5:35 am-3:29 pm

2 stops10h 54m

$716

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Québec City from

How to get the cheapest flight ticket from St. Louis to Québec City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Québec City?

The cheapest month to fly to Québec City from St. Louis is in October. Flight prices, which tend to average around $298, are often lower during this time because this is during the off-season. If you’re not able to fly to Québec City in October, then February is your next best option. Flight prices from St. Louis to Québec City during February average around $369.

What is the cheapest day to depart on your flight to Québec City?

The cheapest day to depart from St. Louis to Québec City is on a Saturday when prices can be found for as low as $366. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Québec City on Tuesday is $853.

What is the cheapest time of day to depart on your flight to Québec City?

In the morning is the cheapest time of day to fly from St. Louis to Québec City when you can find flight prices for as low as $652. Flying to Québec City in the morning is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Québec City, so prices are often more expensive at around $744 per ticket.

When to book flights from St. Louis to Québec City

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Québec City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Québec City (STL to YQB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Québec City

Direct flights

None
There are no direct flights from St. Louis to Québec City. There are no popular flight routes from St. Louis to Québec City.
Search flight deals

  • How far is Lambert-St Louis to Québec City by plane?

    A flight from Lambert-St Louis to Québec City will travel around 1112.3 mi. In terms of flight time, this usually takes a little over 4h 52m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Québec City Airport?

    Prices for flights from Lambert-St Louis Airport to Québec City Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Québec City Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Québec City Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Québec City Airport.

  • What documentation or ID do you need to fly to Québec City Airport?

    The required travel and health documents for your Québec City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Québec City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Québec City?

Best airlines flying from St. Louis to Québec City

Compare and see reviews for airlines that fly from St. Louis to Québec City with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $211Free CancellationRating
7.1
10,444 reviews
Search Air Canada flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights

Traveling to a place near Québec City?

Book flights to Québec City if you plan to visit one of these locations
Beaupre
Baie-Saint-Paul
Victoriaville
Sainte-Marie

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Québec City?

Finding the right flight to Québec City from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Québec City quick and easy, saving you time and money.

Can I find flights from St. Louis to Québec City with flexible booking policies on momondo?

All flight searches from St. Louis to Québec City on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Québec City?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Québec City from St. Louis.

I’m not ready to book a flight from St. Louis to Québec City right now. Can momondo alert me if prices change?

Price alerts on flights to Québec City from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Québec City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/12
Fri 12/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada