How many flights depart from Quebec to St. Louis on average per day?

As of August 2025, 2 flights take off from Quebec and land in St. Louis each day. The most common flight departure time for this route is 6:00p.m., with 100% of daily flights taking off in the evening.

How long does it take to fly to St. Louis?

Flight times vary depending on what airport in Quebec you fly out of and what airport in St. Louis you fly into. For example, flying from Montreal to St. Louis takes 2h 47m on average. On the other hand, flying from Québec City to St. Louis takes 11h 24m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Which airlines fly to St. Louis?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to St. Louis from Quebec according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when travelling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How many flights depart from Quebec to St. Louis on average per week?

14 flights are operational weekly from Quebec to St. Louis as of August 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

What is the cheapest airline that flies from Quebec to Lambert-St Louis?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Quebec to Lambert-St Louis

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

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

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

The number of operators available for flights from Quebec to Lambert-St Louis Airport is 3 as of August 2025.

How old do you have to be to fly from Quebec to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Quebec to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 260 Cheap Flights from Quebec to St. Louis in 2025

1 adult

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Find the cheapest flights from Quebec to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:31 p.m. - 8:32 p.m.YUL-STL

9h 01m1 stop

5:25 p.m. - 11:46 a.m.STL-YUL

17h 21m1 stop

C$ 446American Airlines

Find Deal

Sat, 20 Sep - Sat, 27 Sep

10:34 a.m. - 9:53 p.m.YUL-STL

12h 19m2 stops

7:23 a.m. - 4:33 p.m.STL-YUL

8h 10m1 stop

C$ 459American Airlines

Find Deal

Sat, 20 Sep - Sat, 27 Sep

6:00 a.m. - 2:43 p.m.YUL-STL

9h 43m1 stop

7:00 a.m. - 8:04 p.m.STL-YUL

12h 04m2 stops

C$ 530Delta

Find Deal

Wed, 3 Sep - Sat, 6 Sep

6:00 a.m. - 4:06 p.m.YUL-STL

11h 06m2 stops

7:00 a.m. - 8:04 p.m.STL-YUL

12h 04m2 stops

C$ 567Delta

Find Deal

Wed, 3 Sep - Sat, 6 Sep

4:25 p.m. - 1:02 p.m.YOW-STL

21h 37m1 stop

10:35 a.m. - 5:20 p.m.STL-YOW

29h 45m1 stop

C$ 600

Find Deal

Sun, 21 Sep - Sun, 28 Sep

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

11h 24m2 stops

6:30 a.m. - 10:10 p.m.STL-YQB

14h 40m2 stops

C$ 603United Airlines

Find Deal

Sat, 20 Sep - Sat, 27 Sep

6:20 p.m. - 10:49 a.m.YUL-STL

17h 29m2 stops

5:00 a.m. - 5:26 p.m.STL-YUL

11h 26m1 stop

C$ 611United Airlines

Find Deal

Mon, 20 Oct - Wed, 22 Oct

1:10 p.m. - 9:40 a.m.YUL-STL

21h 30m2 stops

1:00 p.m. - 10:15 p.m.STL-YUL

32h 15m3 stops

C$ 699

Find Deal

Wed, 3 Sep - Wed, 10 Sep

6:10 p.m. - 7:57 p.m.YUL-STL

2h 47mdirect

1:30 p.m. - 5:00 p.m.STL-YUL

2h 30mdirect

C$ 704Air Canada

Find Deal

Sat, 20 Sep - Sat, 27 Sep

6:10 p.m. - 7:57 p.m.YUL-STL

2h 47mdirect

1:30 p.m. - 5:00 p.m.STL-YUL

2h 30mdirect

C$ 714Air Canada

Find Deal

Thu, 25 Sep - Mon, 29 Sep

American Airlines flights from Quebec to St. Louis

Our best American Airlines deals on Quebec to St. Louis flight tickets

American Airlines

20 Sep

YUL12:31 p.m.Montreal Pierre Elliott Trudeau Intl

9h 01m

1 stop

STL8:32 p.m.Lambert-St Louis

27 Sep

STL5:25 p.m.Lambert-St Louis

17h 21m

1 stop

YUL11:46 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 446

Find similar

American Airlines

20 Sep

YUL10:34 a.m.Montreal Pierre Elliott Trudeau Intl

12h 19m

2 stops

STL9:53 p.m.Lambert-St Louis

27 Sep

STL7:23 a.m.Lambert-St Louis

8h 10m

1 stop

YUL4:33 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 459

Find similar

American Airlines

20 Oct

YUL5:24 p.m.Montreal Pierre Elliott Trudeau Intl

15h 45m

1 stop

STL8:09 a.m.Lambert-St Louis

22 Oct

STL8:04 p.m.Lambert-St Louis

14h 36m

1 stop

YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 461

Find similar

United Airlines flights from Quebec to St. Louis

Our best United Airlines deals on Quebec to St. Louis flight tickets

United Airlines

20 Sep

YQB5:20 a.m.Québec City

11h 24m

2 stops

STL3:44 p.m.Lambert-St Louis

27 Sep

STL6:30 a.m.Lambert-St Louis

14h 40m

2 stops

YQB10:10 p.m.Québec City

C$ 602

Find similar

United Airlines

20 Oct

YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl

17h 29m

2 stops

STL10:49 a.m.Lambert-St Louis

22 Oct

STL5:00 a.m.Lambert-St Louis

11h 26m

1 stop

YUL5:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 611

Find similar

United Airlines

12 Sep

YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl

20h 59m

2 stops

STL2:19 p.m.Lambert-St Louis

15 Sep

STL7:04 p.m.Lambert-St Louis

20h 56m

2 stops

YUL5:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 652

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

12:31 p.m.-8:32 p.m.

1 stop9h 01m

Lambert-St Louis

Sat 27/9

5:25 p.m.-11:46 a.m.

1 stop17h 21m

C$ 446

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

10:34 a.m.-9:53 p.m.

2 stops12h 19m

Lambert-St Louis

Sat 27/9

7:23 a.m.-4:33 p.m.

1 stop8h 10m

C$ 459

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

6:00 a.m.-2:43 p.m.

1 stop9h 43m

Lambert-St Louis

Sat 6/9

7:00 a.m.-8:04 p.m.

2 stops12h 04m

C$ 530

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

6:00 a.m.-4:06 p.m.

2 stops11h 06m

Lambert-St Louis

Sat 6/9

7:00 a.m.-8:04 p.m.

2 stops12h 04m

C$ 567

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sun 21/9

4:25 p.m.-1:02 p.m.

1 stop21h 37m

Lambert-St Louis

Sun 28/9

10:35 a.m.-5:20 p.m.

1 stop29h 45m

C$ 600

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 20/9

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

2 stops11h 24m

Lambert-St Louis

Sat 27/9

6:30 a.m.-10:10 p.m.

2 stops14h 40m

C$ 602

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

6:20 p.m.-10:49 a.m.

2 stops17h 29m

Lambert-St Louis

Wed 22/10

5:00 a.m.-5:26 p.m.

1 stop11h 26m

C$ 611

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

1:10 p.m.-9:40 a.m.

2 stops21h 30m

Lambert-St Louis

Wed 10/9

1:00 p.m.-10:15 p.m.

3 stops32h 15m

C$ 699

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

6:10 p.m.-7:57 p.m.

Nonstop2h 47m

Lambert-St Louis

Sat 27/9

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

C$ 704

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

6:10 p.m.-7:57 p.m.

Nonstop2h 47m

Lambert-St Louis

Mon 29/9

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

C$ 714

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How to get the cheapest flight ticket from Quebec to St. Louis

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

Prices

Airlines

Other information

What is the cheapest month to fly to St. Louis?

The month of July is, on average, the cheapest month to fly to St. Louis from Quebec, with most prices found around C$ 393. If you don’t want to visit St. Louis in July, then you should wait until August to fly from Quebec, when ticket prices are also cheap, with an average price of C$ 645.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Friday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 616. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 1,045.

What is the cheapest time of day to depart on your flight to St. Louis?

The cheapest time of day to fly to St. Louis is in the morning when flights can be purchased for as low as C$ 698. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 851 on average. Flights to St. Louis from Quebec in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Quebec to Lambert-St Louis flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis for the best Quebec - Lambert-St Louis flight prices

What cabin class options are available on Quebec to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Quebec to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Quebec to St. Louis flights?

You could potentially save up to 22% on your flight if you consider stops on a Quebec to St. Louis flight.

Cheap Quebec to St. Louis flight deals and tips

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

Best price found	C$ 260
Fastest flight time	2h 47m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Quebec in the past 72 hours is C$ 260. The best round-trip flight deal from Quebec to St. Louis found on momondo in the last 72 hours is C$ 446.

The fastest flight from Quebec to St. Louis takes 2h 47m

Direct flights go from Quebec to St. Louis every day.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Quebec to Lambert-St Louis Airport?
Prices for flights from Quebec to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Quebec to Lambert-St Louis Airport?
The number of operators available for flights from Quebec to Lambert-St Louis Airport is 3 as of August 2025.
How old do you have to be to fly from Quebec to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Quebec to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Quebec to St. Louis?
Based on momondo bookings for flights between Quebec and St. Louis, the leading plane model is Canadair (Bombardier) Regional Jet 900, making up 81.25% of the total bookings. Other popular models include Airbus A220-300 with 18.75%.

Best airlines flying from Quebec to St. Louis

Compare and see reviews for airlines that fly from Quebec to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 539	Free Cancellation	Rating 7.1 9,893 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 590	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 737	Free Cancellation	Rating 7.2 3,002 reviews	Search WestJet flights

Edwardsville

Chesterfield

Collinsville

Litchfield

Why use momondo?

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

It is quick and easy to find Quebec to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Yes. All flights to St. Louis from Quebec on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Quebec to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to St. Louis from Quebec. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis 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.

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Cheap flights from Quebec to St. Louis from C$ 260

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Quebec to St. Louis departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Quebec to St. Louis

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

American Airlines flights from Quebec to St. Louis

Our best American Airlines deals on Quebec to St. Louis flight tickets

United Airlines flights from Quebec to St. Louis

Our best United Airlines deals on Quebec to St. Louis flight tickets

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Use the filters below to find and compare flights from Quebec to St. Louis that are best for you.

See travel insights to St. Louis from

How to get the cheapest flight ticket from Quebec to St. Louis

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 St. Louis?

The month of July is, on average, the cheapest month to fly to St. Louis from Quebec, with most prices found around C$ 393. If you don’t want to visit St. Louis in July, then you should wait until August to fly from Quebec, when ticket prices are also cheap, with an average price of C$ 645.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Friday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 616. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 1,045.

What is the cheapest time of day to depart on your flight to St. Louis?

What is the cheapest Quebec to Lambert-St Louis flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis for the best Quebec - Lambert-St Louis flight prices

What cabin class options are available on Quebec to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Quebec to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Quebec to St. Louis flights?

You could potentially save up to 22% on your flight if you consider stops on a Quebec to St. Louis flight.

What is the cheapest airline that flies from Quebec to Lambert-St Louis?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Quebec to Lambert-St Louis

Which airlines fly to St. Louis?

How many flights depart from Quebec to St. Louis on average per day?

As of August 2025, 2 flights take off from Quebec and land in St. Louis each day. The most common flight departure time for this route is 6:00p.m., with 100% of daily flights taking off in the evening.

How many flights depart from Quebec to St. Louis on average per week?

14 flights are operational weekly from Quebec to St. Louis as of August 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

How long does it take to fly to St. Louis?

Cheap Quebec to St. Louis flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in St. Louis

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

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

How old do you have to be to fly from Quebec to Lambert-St Louis Airport?

What documentation or ID do you need to fly to Lambert-St Louis Airport?

What is the most popular plane model from Quebec to St. Louis?

Best airlines flying from Quebec to St. Louis

Compare and see reviews for airlines that fly from Quebec to St. Louis with momondo

Travelling to a place near St. Louis?

Why use momondo?

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

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

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

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

An easier way to manage your St. Louis 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri