What are the cheapest airlines to fly from St. Louis to Quebec one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 197. Delta flights start at C$ 283 while deals on Air Canada start at C$ 314 one-way.

In terms of precipitation, rainfall in Quebec ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Quebec when rainfall is around 64.0 mm.

If weather is an important factor for your trip to Quebec, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

What are the cheapest flights from St. Louis to Quebec?

Looking for the cheapest flight from St. Louis to Quebec? While on average our users pay C$ 802, our data indicates the cheapest price to be C$ 366. The most popular route (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 468.

What are the most reliable airlines from St. Louis to Quebec?

No one likes to see their flight delayed. When booking a flight from St. Louis to Quebec consider choosing United Airlines (53%), Air Canada (51%) or Jazz (47%) as they are the most reliable in getting you off to your destination on time.

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

The best pricing can be found in the month of June. Prices to Quebec from St. Louis average C$ 811. You can even find prices in June for less than C$ 811, as users have found deals to Quebec from as low as C$ 368. The month of February appears to be one of the more expensive times to travel to Quebec from St. Louis. Flying in the targeted month can save you up to 27%.

What airport do you fly from for flights from St. Louis to Quebec?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Quebec. It is only a 20.4 km journey to Lambert-St Louis (STL) from St. Louis’s city centre.

Can I find deals for flights from St. Louis to Quebec that include hotel bookings?

Yes. In addition to deals on St. Louis to Quebec flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Quebec?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Quebec.

Can I find deals for business class flights from St. Louis to Quebec?

Yes. Cheapflights offers flight deals from St. Louis to Quebec by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 197+ Flights from St. Louis to Quebec

Q: How much does it cost to fly round-trip from St. Louis to Quebec?

Airfare is typical for this route at the moment. St. Louis to Quebec flights typically cost between C$ 368 and C$ 837 in September. The cheapest round-trip price found within the last 3 days was C$ 480 on American Airlines (10 Sep-15 Sep).

Cheap flight deals from St. Louis to Quebec

Round-trip from	C$ 480
One-way from	C$ 197
Popular in	February
Cheapest in	June
Average price	C$ 796
Good round-trip deal	C$ 802 or less

American Airlines
10/9-15/9
2 total stops
26h 34m total
St. Louis to Quebec

Search Deals

American Airlines
15/11
1 total stop
18h 13m total
St. Louis to Quebec

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (C$ 225 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Lambert-St Louis to Quebec.

Search Deals

Find flight deals from St. Louis to Quebec

Cheapest flights from St. Louis to Quebec
Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Wed 10/96:10 a.m.STL - YUL

1 stop9h 23mAmerican Airlines

Mon 15/95:15 p.m.YUL - STL

1 stop17h 11mAmerican Airlines

Deal found 30/7C$ 480

Thu 6/1112:20 p.m.STL - YUL

1 stop11h 25mMultiple Airlines

Sun 9/118:00 a.m.YUL - STL

3 stops29h 00mMultiple Airlines

Deal found 28/7C$ 629

Wed 10/91:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Wed 17/99:15 a.m.YUL - STL

1 stop7h 03mAir Canada

Deal found 29/7C$ 717

Tue 2/97:04 p.m.STL - YUL

2 stops20h 56mUnited Airlines

Sat 6/96:15 a.m.YUL - STL

1 stop10h 29mUnited Airlines

Deal found 28/7C$ 726

Wed 10/910:45 a.m.STL - YUL

2 stops10h 02mDelta

Wed 17/911:00 a.m.YUL - STL

1 stop10h 05mDelta

Deal found 29/7C$ 727

Sat 13/95:25 p.m.STL - YQB

1 stop19h 19mAmerican Airlines

Sat 20/94:14 p.m.YQB - STL

1 stop22h 09mAmerican Airlines

Deal found 29/7C$ 760

Fri 12/94:05 p.m.STL - YQB

1 stop5h 05mAir Canada

Fri 19/97:25 a.m.YQB - STL

2 stops8h 53mAir Canada

Deal found 29/7C$ 771

Mon 10/116:43 p.m.STL - YQB

1 stop18h 30mMultiple Airlines

Sat 15/112:55 p.m.YQB - STL

1 stop8h 50mMultiple Airlines

Deal found 29/7C$ 870

Tue 2/97:04 p.m.STL - YQB

1 stop18h 12mUnited Airlines

Sat 13/95:20 a.m.YQB - STL

2 stops11h 24mUnited Airlines

Deal found 30/7C$ 971

Best flights from St. Louis to Quebec
Discover carefully curated flight deals from St. Louis to Quebec that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.

Wed 10/96:10 a.m.STL - YUL

1 stop9h 23mAmerican Airlines

Mon 15/95:15 p.m.YUL - STL

1 stop17h 11mAmerican Airlines

Deal found 30/7C$ 480

Thu 6/1112:20 p.m.STL - YUL

1 stop11h 25mMultiple Airlines

Sun 9/118:00 a.m.YUL - STL

3 stops29h 00mMultiple Airlines

Deal found 28/7C$ 629

Wed 10/91:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Wed 17/99:15 a.m.YUL - STL

1 stop7h 03mAir Canada

Deal found 29/7C$ 717

Tue 2/97:04 p.m.STL - YUL

2 stops20h 56mUnited Airlines

Sat 6/96:15 a.m.YUL - STL

1 stop10h 29mUnited Airlines

Deal found 28/7C$ 726

Wed 10/910:45 a.m.STL - YUL

2 stops10h 02mDelta

Wed 17/911:00 a.m.YUL - STL

1 stop10h 05mDelta

Deal found 29/7C$ 727

Tue 26/84:19 p.m.STL - YQB

1 stop20h 25mAmerican Airlines

Tue 2/94:14 p.m.YQB - STL

1 stop20h 21mAmerican Airlines

Deal found 27/7C$ 727

Fri 12/94:05 p.m.STL - YQB

1 stop5h 05mAir Canada

Fri 19/97:25 a.m.YQB - STL

2 stops8h 53mAir Canada

Deal found 29/7C$ 771

Tue 26/89:17 a.m.STL - YQB

2 stops11h 53mUnited Airlines

Tue 2/95:20 a.m.YQB - STL

2 stops11h 24mUnited Airlines

Deal found 27/7C$ 863

Mon 10/116:43 p.m.STL - YQB

1 stop18h 30mMultiple Airlines

Sat 15/112:55 p.m.YQB - STL

1 stop8h 50mMultiple Airlines

Deal found 29/7C$ 870

Direct flights from St. Louis to Quebec
Explore direct flight options from St. Louis to Quebec based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 July 2025.

Mon 1/91:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Fri 5/96:10 p.m.YUL - STL

Nonstop2h 47mAir Canada

Deal found 29/7C$ 759

Thu 18/91:30 p.m.STL - YUL

Nonstop2h 30mUnited Airlines

Sun 21/96:10 p.m.YUL - STL

Nonstop2h 47mUnited Airlines

Deal found 28/7C$ 1,167

Tue 2/91:30 p.m.STL - YUL

Nonstop2h 30mMultiple Airlines

Fri 5/96:10 p.m.YUL - STL

Nonstop2h 47mMultiple Airlines

Deal found 29/7C$ 1,196

Last-minute flights from St. Louis to Quebec
Discover last-minute flight deals from St. Louis to Quebec. Data last updated 30 July 2025 and is based on user searches.

Tue 5/85:40 p.m.STL - YUL

2 stops18h 41mMultiple Airlines

Tue 12/82:30 p.m.YUL - STL

3 stops19h 41mMultiple Airlines

Deal found 29/7C$ 699

Wed 6/86:00 a.m.STL - YUL

1 stop14h 28mDelta

Wed 13/86:00 a.m.YUL - STL

1 stop9h 43mDelta

Deal found 29/7C$ 901

Wed 6/88:43 a.m.STL - YUL

2 stops7h 11mAmerican Airlines

Tue 12/810:34 a.m.YUL - STL

2 stops11h 28mAmerican Airlines

Deal found 29/7C$ 1,072

Wed 6/81:30 p.m.STL - YQB

1 stop5h 06mAir Canada

Sun 17/82:45 p.m.YQB - STL

1 stop6h 15mAir Canada

Deal found 30/7C$ 1,332

Thu 7/86:00 a.m.STL - YQB

1 stop5h 31mAmerican Airlines

Tue 19/84:14 p.m.YQB - STL

1 stop21h 58mAmerican Airlines

Deal found 30/7C$ 1,146

Thu 14/810:37 a.m.STL - YUL

2 stops12h 50mMultiple Airlines

Mon 18/86:00 a.m.YUL - STL

1 stop8h 32mMultiple Airlines

Deal found 27/7C$ 698

Wed 20/81:42 p.m.STL - YQB

1 stop23h 02mAmerican Airlines

Tue 2/94:14 p.m.YQB - STL

1 stop20h 21mAmerican Airlines

Deal found 30/7C$ 851

Wed 20/81:30 p.m.STL - YQB

1 stop5h 06mAir Canada

Sat 30/82:45 p.m.YQB - STL

1 stop6h 15mAir Canada

Deal found 30/7C$ 1,124

Thu 21/86:00 a.m.STL - YUL

1 stop9h 42mAmerican Airlines

Mon 25/812:30 p.m.YUL - STL

1 stop12h 21mAmerican Airlines

Deal found 28/7C$ 721

Thu 21/85:30 p.m.STL - YUL

1 stop19h 28mUnited Airlines

Mon 25/88:00 p.m.YUL - STL

2 stops20h 44mUnited Airlines

Deal found 28/7C$ 767

Mon 25/89:15 a.m.STL - YUL

2 stops11h 31mAir Canada

Mon 1/93:30 p.m.YUL - STL

1 stop5h 15mAir Canada

Deal found 29/7C$ 932

Sun 31/85:30 p.m.STL - YQB

1 stop19h 46mUnited Airlines

Sat 13/95:20 a.m.YQB - STL

2 stops11h 24mUnited Airlines

Deal found 30/7C$ 1,012

One-way flights from St. Louis to Quebec
Search for one-way flight options from St. Louis to Quebec. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.

Sat 15/117:58 p.m.STL - YUL

1 stop18h 13mAmerican Airlines

Deal found 30/7C$ 197

Tue 14/1010:35 a.m.STL - YUL

1 stop27h 15mMultiple Airlines

Deal found 30/7C$ 211

Tue 14/109:31 a.m.STL - YUL

1 stop8h 09mDelta

Deal found 28/7C$ 283

Sat 18/106:30 a.m.STL - YUL

2 stops12h 59mUnited Airlines

Deal found 28/7C$ 313

Wed 8/101:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Deal found 29/7C$ 314

Thu 25/91:53 p.m.STL - YQB

1 stop22h 51mAmerican Airlines

Deal found 30/7C$ 435

Sat 18/105:28 p.m.STL - YQB

1 stop19h 48mMultiple Airlines

Deal found 30/7C$ 444

Sat 18/105:28 p.m.STL - YQB

2 stops21h 32mUnited Airlines

Deal found 30/7C$ 452

Sun 28/99:15 a.m.STL - YQB

1 stop5h 15mAir Canada

Deal found 30/7C$ 535

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 10/9

6:10 a.m.-4:33 p.m.

1 stop9h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

5:15 p.m.-9:26 a.m.

1 stop17h 11m

C$ 480

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 6/11

12:20 p.m.-12:45 a.m.

1 stop11h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

8:00 a.m.-12:00 p.m.

3 stops29h 00m

C$ 629

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 10/9

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

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

9:15 a.m.-3:18 p.m.

1 stop7h 03m

C$ 717

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 2/9

7:04 p.m.-5:00 p.m.

2 stops20h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

6:15 a.m.-3:44 p.m.

1 stop10h 29m

C$ 726

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 10/9

10:45 a.m.-9:47 p.m.

2 stops10h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

11:00 a.m.-8:05 p.m.

1 stop10h 05m

C$ 727

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 26/8

4:19 p.m.-1:44 p.m.

1 stop20h 25m

Québec City

Tue 2/9

4:14 p.m.-11:35 a.m.

1 stop20h 21m

C$ 727

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 12/9

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

1 stop5h 05m

Québec City

Fri 19/9

7:25 a.m.-3:18 p.m.

2 stops8h 53m

C$ 771

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 26/8

9:17 a.m.-10:10 p.m.

2 stops11h 53m

Québec City

Tue 2/9

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

2 stops11h 24m

C$ 863

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 10/11

6:43 p.m.-2:13 p.m.

1 stop18h 30m

Québec City

Sat 15/11

2:55 p.m.-10:45 p.m.

1 stop8h 50m

C$ 870

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 15/11

7:58 p.m.-3:11 p.m.

1 stop18h 13m

C$ 197

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 18 results

Best time to book a flight from St. Louis to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec 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 Quebec

What is the cheapest month to book a flight from St. Louis to Quebec?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Quebec (average of C$ 241). Flying from St. Louis to Quebec in April is currently the most expensive (average of C$ 316). 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.

What is the cheapest time of day to fly from STL to QC?

When flying from St. Louis to Quebec, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from St. Louis to Quebec

The most flights from STL to CAQC are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from St. Louis to Quebec?

Reviews of airlines servicing Quebec

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from St. Louis to Quebec by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,837 reviews

Delta

8.0

Very good

7,980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from St. Louis to Quebec?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Quebec. It is only a 20.4 km journey to Lambert-St Louis (STL) from St. Louis’s city centre.
What are the cheapest airlines to fly from St. Louis to Quebec one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 197. Delta flights start at C$ 283 while deals on Air Canada start at C$ 314 one-way.
What are the most reliable airlines from St. Louis to Quebec?
No one likes to see their flight delayed. When booking a flight from St. Louis to Quebec consider choosing United Airlines (53%), Air Canada (51%) or Jazz (47%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from St. Louis to Quebec?
Looking for the cheapest flight from St. Louis to Quebec? While on average our users pay C$ 802, our data indicates the cheapest price to be C$ 366. The most popular route (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 468.
Can I find deals for flights from St. Louis to Quebec that include hotel bookings?
Yes. In addition to deals on St. Louis to Quebec flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Quebec?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Quebec.
Can I find deals for business class flights from St. Louis to Quebec?
Yes. Cheapflights offers flight deals from St. Louis to Quebec 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 Quebec?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Quebec (average of C$ 241). Flying from St. Louis to Quebec in April is currently the most expensive (average of C$ 316). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Quebec

Complete your trip

Quebec car rentals

Montreal Pierre Elliott Trudeau Intl Airport car rentals

Québec City Airport car rentals

Montreal St Hubert Airport car rentals

Saguenay Bagotville Airport car rentals

La Vernière Iles De La Madeleine Airport car rentals

Rouyn-Noranda Airport car rentals

Gaspe Airport car rentals

Baie Comeau Airport car rentals

Sept-Iles Airport car rentals

Mont Joli Airport car rentals

Val D'Or Airport car rentals

Direct flights to Canada

Fly with Cheapflights

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

Cheapflights helps you search for flights from St. Louis to Quebec via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Quebec.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Quebec, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Quebec from St. Louis today and book when prices fit your budget.

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Cheap flights from St. Louis to Quebec from C$ 197

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. Louis to Quebec

Keep the following information in mind while searching for St. Louis to Quebec flight deals. Data was last updated 30 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find flight deals from St. Louis to Quebec

Cheapest flights from St. Louis to QuebecExplore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from St. Louis to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Quebec

What is the cheapest month to book a flight from St. Louis to Quebec?

What is the cheapest time of day to fly from STL to QC?

Find hourly flight availability from St. Louis to Quebec. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

Weekly flight availability from St. Louis to Quebec

Explore weekly flight availability from St. Louis to Quebec. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 July 2025.

How much does it cost to fly round-trip from St. Louis to Quebec?

Reviews of airlines servicing Quebec

Get insights into the airlines that provide service to Quebec. 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 Quebec. Reviews last updated 30 July 2025.

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from St. Louis to Quebec by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Quebec. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Quebec?

What are the cheapest airlines to fly from St. Louis to Quebec one-way?

What are the most reliable airlines from St. Louis to Quebec?

What are the cheapest flights from St. Louis to Quebec?

Can I find deals for flights from St. Louis to Quebec that include hotel bookings?

How can I find direct flights from St. Louis to Quebec?

Can I find deals for business class flights from St. Louis to Quebec?

What is the cheapest month to book a flight from St. Louis to Quebec?

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.

Alternative routes for St. Louis to Quebec

See prices for flight routes from nearby airports that may be better suited for you.

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 Quebec?

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

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

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

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Cheapest flights from St. Louis to Quebec
Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.