Cheap flights from Missouri to Quebec from C$ 160

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
2 Sep — 9 Sep1
1 adult

Cheap flight deals from Missouri to Quebec

Keep the following information in mind while searching for Missouri to Quebec flight deals. Data was last updated 28 August 2025.

Round-trip from

C$ 384

One-way from

C$ 160

Popular in

February

Cheapest in

June

Average price

C$ 636
American Airlines
  • American Airlines
  • 25/9-2/10
  • 2 total stops
  • 25h 16m total
  • Missouri to Quebec
American Airlines
  • American Airlines
  • 25/9
  • 1 total stop
  • 26h 48m total
  • Missouri to Quebec
Highest demand for flights based on searches. 14% potential increase in price (C$ 195 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Missouri to Quebec

Cheapest flights from Missouri to Quebec
Explore the most affordable flight options available from Missouri to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Thu 25/98:03 p.m.STL - YQB
1 stop16h 41mAmerican Airlines
Thu 2/104:14 p.m.YQB - STL
1 stop8h 35mAmerican Airlines
Deal found 28/8C$ 384
Sat 18/107:15 p.m.STL - YUL
1 stop18h 35mMultiple Airlines
Wed 22/106:45 a.m.YUL - STL
2 stops28h 17mMultiple Airlines
Deal found 28/8C$ 479
Sat 4/105:15 a.m.MCI - YUL
1 stop8h 05mMultiple Airlines
Wed 15/106:45 a.m.YUL - MCI
2 stops15h 00mMultiple Airlines
Deal found 26/8C$ 491
Sat 27/95:15 a.m.MCI - YUL
1 stop8h 05mMultiple Airlines
Wed 1/106:45 a.m.YUL - MCI
2 stops17h 22mMultiple Airlines
Deal found 26/8C$ 493
Thu 2/105:15 a.m.MCI - YUL
1 stop8h 05mMultiple Airlines
Sat 4/106:45 a.m.YUL - MCI
2 stops17h 22mMultiple Airlines
Deal found 26/8C$ 500
Sat 11/107:15 p.m.STL - YUL
1 stop18h 35mMultiple Airlines
Sat 18/106:45 a.m.YUL - STL
2 stops12h 25mMultiple Airlines
Deal found 27/8C$ 508
Wed 22/108:42 a.m.STL - YQB
1 stop27h 54mAmerican Airlines
Sat 25/104:14 p.m.YQB - STL
1 stop16h 55mAmerican Airlines
Deal found 28/8C$ 522
Fri 14/116:00 a.m.STL - YUL
1 stop8h 11mAmerican Airlines
Sun 16/113:52 p.m.YUL - STL
1 stop17h 18mAmerican Airlines
Deal found 27/8C$ 522
Sat 27/95:15 a.m.MCI - YUL
1 stop8h 05mMultiple Airlines
Sat 4/106:45 a.m.YUL - MCI
1 stop17h 22mMultiple Airlines
Deal found 26/8C$ 523
Fri 17/106:05 p.m.STL - YUL
1 stop19h 15mMultiple Airlines
Wed 22/106:45 a.m.YUL - STL
2 stops28h 17mMultiple Airlines
Deal found 28/8C$ 527
Mon 8/129:45 a.m.STL - YUL
1 stop13h 45mMultiple Airlines
Fri 12/128:00 a.m.YUL - STL
1 stop30h 53mMultiple Airlines
Deal found 28/8C$ 529
Thu 16/1010:57 a.m.STL - YUL
1 stop26h 53mMultiple Airlines
Wed 22/106:45 a.m.YUL - STL
2 stops28h 17mMultiple Airlines
Deal found 28/8C$ 541

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Quebec 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 August 2025.
Use the filters below to find and compare flights from Missouri to Quebec that are best for you.

Fly from

Missouri

Fly to

Quebec

Route

Depart

Return

Price

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 25/9

8:03 p.m.-1:44 p.m.

1 stop16h 41m

Québec City

Thu 2/10

4:14 p.m.-11:49 p.m.

1 stop8h 35m

C$ 384

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 18/10

7:15 p.m.-2:50 p.m.

1 stop18h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

6:45 a.m.-10:02 a.m.

2 stops28h 17m

C$ 479

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/10

5:15 a.m.-2:20 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

6:45 a.m.-8:45 p.m.

2 stops15h 00m

C$ 491

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 27/9

5:15 a.m.-2:20 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

6:45 a.m.-11:07 p.m.

2 stops17h 22m

C$ 493

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 27/9

5:15 a.m.-2:20 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

6:45 a.m.-11:07 p.m.

2 stops17h 22m

C$ 493

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 2/10

5:15 a.m.-2:20 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

6:45 a.m.-11:07 p.m.

2 stops17h 22m

C$ 500

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 2/10

5:15 a.m.-2:20 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

6:45 a.m.-11:07 p.m.

2 stops17h 22m

C$ 500

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 11/10

7:15 p.m.-2:50 p.m.

1 stop18h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

6:45 a.m.-6:10 p.m.

2 stops12h 25m

C$ 508

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 22/10

8:42 a.m.-1:36 p.m.

1 stop27h 54m

Québec City

Sat 25/10

4:14 p.m.-8:09 a.m.

1 stop16h 55m

C$ 522

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 14/11

6:00 a.m.-3:11 p.m.

1 stop8h 11m

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

3:52 p.m.-8:10 a.m.

1 stop17h 18m

C$ 522

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/8

Showing 1-10 of 57 results
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Best time to book a flight from Missouri to Quebec

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

What is the cheapest month to book a flight from Missouri to Quebec?

Currently, October is the cheapest month in which you can book a flight from Missouri to Quebec (average of C$ 241). Flying from Missouri to Quebec in April is currently the most expensive (average of C$ 317). 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 MO to QC?

Find hourly flight availability from Missouri 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 28 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Quebec as you normally would.

Weekly flight availability from Missouri to Quebec

Explore weekly flight availability from Missouri 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 28 August 2025.

The most flights from USMO 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 Missouri to Quebec?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Quebec. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Missouri to Quebec?

    Airlines like American Airlines and United Airlines fly from Missouri to Quebec in about 8h 16m. The time it takes to get you to your destination can typically vary by up to 8h 25m. The distance from Missouri to Quebec is about 1782 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Missouri to Quebec that include hotel bookings?

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

  • How can I find direct flights from Missouri to Quebec?

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

  • Can I find deals for business class flights from Missouri to Quebec?

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to Quebec?

    Currently, October is the cheapest month in which you can book a flight from Missouri to Quebec (average of C$ 241). Flying from Missouri to Quebec in April is currently the most expensive (average of C$ 317). 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.

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Can Cheapflights find flights from Missouri to Quebec with no change fees?

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

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