STL - YQB

$319 Find Cheap Flights from St. Louis to Québec City - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$767
Typical prices: $734-$957
American Airlines
Sun 12/30Fri 1/5
STL - YQB • 2 stops
Cheapest one-way
$319
Typical prices: $349-$494
Multiple Airlines
Mon 1/15
STL - YQB • 3 stops
When to travel
May
Cheapest • 22% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Montreal Pierre Elliott Trudeau Intl (YUL)
Cheapest • Avg $696 (round-trip)
Newark (EWR)
Shortest trip • 5h 50m (one-way)
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Flight Deals

Cheap Flights from St. Louis to Québec City (STL-YQB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Québec City

Wed, Dec 30 - Tue, Jan 5
American Airlines Logo
8:22 pm - 12:54 pmSTL  Lambert-St Louis-YQB Québec City
15h 32m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
1:45 pm - 10:29 amYQB  Québec City-STL Lambert-St Louis
21h 44m2 stops Philadelphia Boston Logan Intl
$767American Airlines
Sun, Dec 6 - Wed, Dec 9
Multiple Airlines Logo
6:10 am - 10:47 pmSTL  Lambert-St Louis-YQB Québec City
15h 37m1 stop Newark
Multiple Airlines Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
$785Multiple Airlines
Mon, Jan 4 - Thu, Jan 7
Multiple Airlines Logo
6:04 am - 10:47 pmSTL  Lambert-St Louis-YQB Québec City
15h 43m1 stop Newark
Multiple Airlines Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
$785Multiple Airlines
Thu, Apr 8 - Tue, Apr 13
Multiple Airlines Logo
6:30 am - 4:00 pmSTL  Lambert-St Louis-YQB Québec City
8h 30m1 stop Newark
Multiple Airlines Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
$785Multiple Airlines
Tue, Dec 8 - Sat, Dec 12
Multiple Airlines Logo
11:05 am - 10:47 pmSTL  Lambert-St Louis-YQB Québec City
10h 42m1 stop Newark
Multiple Airlines Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
$785Multiple Airlines
Wed, Nov 18 - Thu, Nov 19
United Airlines Logo
11:29 am - 10:47 pmSTL  Lambert-St Louis-YQB Québec City
10h 18m1 stop Newark
United Airlines Logo
3:16 pm - 9:40 pmYQB  Québec City-STL Lambert-St Louis
7h 24m1 stop Chicago O'Hare Intl
$787United Airlines
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
6:00 am - 4:41 pmSTL  Lambert-St Louis-YQB Québec City
9h 41m1 stop Newark
United Airlines Logo
5:45 pm - 8:53 amYQB  Québec City-STL Lambert-St Louis
16h 08m1 stop Newark
$787United Airlines
Mon, Nov 23 - Fri, Nov 27
American Airlines Logo
6:02 am - 12:52 pmSTL  Lambert-St Louis-YQB Québec City
5h 50m1 stop Philadelphia
American Airlines Logo
6:59 am - 12:51 pmYQB  Québec City-STL Lambert-St Louis
6h 52m1 stop Philadelphia
$787American Airlines
Wed, Dec 30 - Tue, Jan 5
Air Canada Logo
4:05 pm - 11:16 pmSTL  Lambert-St Louis-YQB Québec City
6h 11m1 stop Toronto Pearson Intl
Air Canada Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
$789Air Canada
Wed, Nov 25 - Fri, Nov 27
Air Canada Logo
4:05 pm - 11:01 pmSTL  Lambert-St Louis-YQB Québec City
5h 56m1 stop Toronto Pearson Intl
Air Canada Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
$789Air Canada
Booking Insights

Price, demand and travel trends for St. Louis to Québec City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Québec City?

Round-trip flights from St. Louis to Québec City typically range from $734 to $957. The lowest price found in the past 5 days was $767, on American Airlines.

What's the cheapest day of the week to fly from St. Louis to Québec City?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from St. Louis to Québec City. It’s 19% cheaper than the average day, while Sunday is the most expensive, with prices 64% higher.

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Key details for St. Louis to Québec City flights

Low season

February

Cheapest flight

$319
Beat the crowds with an average 80% drop in travelers.
The most popular month to fly with an average 50% increase in travelers.
One-way flight from St. Louis to Québec City

When to book flights from St. Louis to Québec City

Are your dates flexible? Find out the best times to travel from St. Louis to Québec City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Québec City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Québec City?

    Two cabin classes are available on flights from St. Louis to Québec City:

    • Economy Class
    • Business Class

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

    There are currently no nonstop flights available from St. Louis to Québec City. Flights with 1 layover take between 5h 50m and 7h 14m in total, depending on the connection.

  • Do I need a passport to fly from St. Louis to Québec City?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a St. Louis to Québec City flight?

    Round-trip flights from St. Louis to Québec City range from $734 to $957, with an average of $849 over the past 12 months. Anything below $734 counts as a good deal.

  • Have flight prices from St. Louis to Québec City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $767 to $1,834. That means the highest observed fare was about 2x higher than the lowest one.

  • How are flight prices from St. Louis to Québec City looking right now?

    One-way fares from St. Louis to Québec City are currently lower than usual. Average one-way flight prices are about $351, which is 14% below the typical average for this route.

  • What car rental options are available at Québec City Airport (YQB)?

    Québec City Airport (YQB) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Alamo
    • Thrifty
    • Hertz
    • Avis
    • Budget

  • Which airports can I use when flying from St. Louis to Québec City?

    Flights from St. Louis to Québec City usually depart from Lambert-St Louis (STL) and arrive at Québec City (YQB).

  • Which airports do connecting flights from St. Louis to Québec City pass through?

    One-stop flights from St. Louis to Québec City most commonly connect through:

    • Toronto Pearson Intl (YYZ) - 62% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 23% of one-stop connections
    • Newark (EWR) - 8% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Québec City?

    Yes. Flexible dates can save you up to 51% on flights from St. Louis to Québec City. Monday is the cheapest departure day at $696 round-trip on average, while Sunday is the most expensive at $1,395, a difference of $699.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Québec City?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 5h 50m, compared with 5h 52m via Toronto Pearson Intl (YYZ) and 6h 26m via Chicago O'Hare Intl (ORD).

  • What is the time difference between St. Louis and Québec City?

    Québec City is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Québec City?

    Some of the most popular sights in Québec City are Montmorency Falls, Quebec City Convention Center and Citadelle of Quebec. These are among the most viewed places in Québec City on KAYAK.

Your guide to booking St. Louis to Québec City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Sunday. On this route, Monday flights average $696, about $699 less than Sunday fares (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Québec City trip for May. Fares historically average $662 round-trip in that month - typically $297 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Québec City Airport.

    • Clarion Pointe Quebec Airport
    • Repotel Aéroport Québec
    • Hôtel Québec Inn Par Jaro

More options for your flight from St. Louis to Québec City

Complete your trip to Québec City with a hotel stay or car rental

Car rentals in Québec City
Hotels in Québec City
Vacations in Québec City