How long is the flight from Québec City to St. Louis?

A quick flight from Québec City to St. Louis can take about 10h 43m. United Airlines provides one of the quickest options available for as low as C$ 702. The distance between Québec City and St. Louis is about 1782 km.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Québec City to St. Louis 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$ 408+ Cheap Flights from Québec City to St. Louis

Cheap flight deals from Québec City to St. Louis

Enter your travel dates to find the best prices.

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Cheapest flights from Québec City to St. Louis
Explore the most affordable flight options available from Québec City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Tue 6/106:00 a.m. -

1 stop16h 09m

Wed 7/109:30 a.m. -

1 stop5h 42m

Deal found 6/9C$ 702

Thu 8/106:00 a.m. -

1 stop6h 22m

Tue 13/109:30 a.m. -

1 stop12h 11m

Deal found 6/9C$ 720

Wed 7/106:10 a.m. -

2 stops8h 50m

Tue 13/102:40 p.m. -

2 stops7h 11m

Deal found 6/9C$ 725

Thu 8/106:00 a.m. -

1 stop6h 22m

Tue 13/102:40 p.m. -

2 stops7h 11m

Deal found 6/9C$ 735

Thu 8/106:00 a.m. -

1 stop6h 22m

Mon 12/107:30 a.m. -

1 stop7h 42m

Deal found 6/9C$ 738

Wed 7/106:10 a.m. -

2 stops8h 50m

Mon 12/108:55 a.m. -

1 stop6h 02m

Deal found 6/9C$ 739

Find flight deals from Québec City to St. Louis

Round-trip from	C$ 702
One-way from	C$ 408

United Airlines
6/10-7/10
2 total stops
21h 51m total
Québec City to St. Louis

Search Deals

Air Canada
23/10-31/12
1 total stop
6h 36m total
Québec City to St. Louis

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Fri 23/10

1:05 p.m.-6:41 p.m.

1 stop6h 36m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 408

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Wed 30/12

5:55 a.m.-3:26 p.m.

2 stops10h 31m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 432

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Fri 18/9

5:45 p.m.-11:32 a.m.

2 stops18h 47m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 494

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Tue 22/9

5:00 a.m.-8:00 p.m.

2 stops16h 00m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 527

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Tue 22/9

12:45 p.m.-8:47 p.m.

1 stop9h 02m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 530

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Wed 21/10

6:00 a.m.-3:43 p.m.

2 stops10h 43m

Lambert-St Louis

Wed 28/10

7:30 a.m.-4:41 p.m.

2 stops8h 11m

C$ 702

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Tue 6/10

6:00 a.m.-9:09 p.m.

1 stop16h 09m

Lambert-St Louis

Wed 7/10

9:30 a.m.-4:12 p.m.

1 stop5h 42m

C$ 702

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Thu 8/10

6:00 a.m.-11:22 a.m.

1 stop6h 22m

Lambert-St Louis

Tue 13/10

9:30 a.m.-10:41 p.m.

1 stop12h 11m

C$ 721

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Thu 8/10

6:00 a.m.-11:22 a.m.

1 stop6h 22m

Lambert-St Louis

Tue 13/10

2:40 p.m.-10:51 p.m.

2 stops7h 11m

C$ 735

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Thu 8/10

6:00 a.m.-11:22 a.m.

1 stop6h 22m

Lambert-St Louis

Mon 12/10

7:30 a.m.-4:12 p.m.

1 stop7h 42m

C$ 738

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Sorted by cheapest first

Best time to book a flight from Québec City to St. Louis

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

YQB-STL

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.

Related info for your journey

How long is the flight from Québec City to St. Louis?
A quick flight from Québec City to St. Louis can take about 10h 43m. United Airlines provides one of the quickest options available for as low as C$ 702. The distance between Québec City and St. Louis is about 1782 km.
Can I find deals for flights from Québec City to St. Louis that include hotel bookings?
Yes. In addition to deals on Québec City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Québec City to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Québec City to St. Louis.
Can I find deals for business class flights from Québec City to St. Louis?
Yes. Cheapflights offers flight deals from Québec City to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Québec City to St. Louis from C$ 408

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Québec City to St. Louis

Cheapest flights from Québec City to St. LouisExplore the most affordable flight options available from Québec City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Explore the most affordable flight options available from Québec City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Best flights from Québec City to St. LouisDiscover carefully curated flight deals from Québec City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Discover carefully curated flight deals from Québec City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Last-minute flights from Québec City to St. LouisDiscover last-minute flight deals from Québec City to St. Louis. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from Québec City to St. Louis. Data last updated 9 September 2026 and is based on user searches.

One-way flights from Québec City to St. LouisSearch for one-way flight options from Québec City to St. Louis. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Search for one-way flight options from Québec City to St. Louis. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

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Best time to book a flight from Québec City to St. Louis

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Related info for your journey

How long is the flight from Québec City to St. Louis?

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

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

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

Travelling to a place near St. Louis?

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Alternative routes for Québec City to St. Louis

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Complete your trip

Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Missouri

Book a non-stop flight to one of these other cities located in Missouri.

Search flights from Québec City to St. Louis by cabin class

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Québec City and St. Louis flights

Browse other Québec City and St. Louis flight options. Last updated on 9 September 2026.

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

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Cheapest flights from Québec City to St. Louis
Explore the most affordable flight options available from Québec City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Best flights from Québec City to St. Louis
Discover carefully curated flight deals from Québec City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Last-minute flights from Québec City to St. Louis
Discover last-minute flight deals from Québec City to St. Louis. Data last updated 9 September 2026 and is based on user searches.

One-way flights from Québec City to St. Louis
Search for one-way flight options from Québec City to St. Louis. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.