Cheap flight tickets from St Louis to Quebec

Compare St Louis to Quebec flight deals

Find the cheapest month or even day of the year to fly to Quebec

Book the best Quebec fare with no extra fees

Find the cheapest month to fly from St Louis to Quebec

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Quebec flights are currently cheapest in April.

St Louis to Quebec: Alternative routes

Compare routes from St Louis to Quebec below. You may find an airport to fly into that's cheaper, faster, or easier than Quebec.

St Louis to Quebec: Flight information

The things to know before you go.
Cheapest flight foundRM2,632
Cheapest month to flyApril

Finding cheap flights from St Louis to Quebec: Frequently asked questions

The best price we found for a return flight from St Louis to Quebec is RM2,632. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Quebec. But we found flights with one or more stops from RM2,632.
As of February 2026, there are no flights flying from St Louis to Quebec.
The cheapest month to fly from St Louis to Quebec is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Quebec Airport on Sunday, 5 April 2026.
No airlines currently offer direct flights between St Louis Airport and Quebec Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Quebec but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Quebec is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Quebec.

Travelling from Lambert-St. Louis International Airport (STL) to Quebec City Jean Lesage International Airport (YQB): what you need to know

  • Quebec's timezone is UTC-4, making Quebec one hour ahead of St Louis.

  • Your STL to YQB flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.

  • If you'd like to break up your flight, just deselect 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Quebec City Jean Lesage International Airport. These are the most popular stopovers between STL and YQB:

    • Montreal-Pierre Elliott Trudeau International Airport

    • Philadelphia International Airport

    • O'Hare International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Quebec City Jean Lesage International Airport (YQB)

  • The lowest price we've found for a one-way Lambert-St. Louis International Airport to Quebec City Jean Lesage International Airport flight is RM1,254. A return fare is currently RM2,631. Depending on the availability and when you book, these fares could change.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from STL to YQB if you book ahead. Airlines often offer some excellent early bird deals.

  • Finding cheap flights from Lambert-St. Louis International Airport to Quebec City Jean Lesage International Airport is more likely if you're flexible with your trip dates. Use the 'Whole month' function to see the best prices across each month and bag a great deal.

  • Never miss a deal on cheap flights from STL to YQB by creating a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Lambert-St. Louis International Airport to Quebec City Jean Lesage International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Quebec City Jean Lesage International Airport (YQB)

  • The last thing you need is a lengthy trip to your hotel if you're arriving on a late Lambert-St. Louis International Airport to Quebec City Jean Lesage International Airport flight. Stay at one of these accommodation options near YQB instead:

  • Grab a Quebec City Jean Lesage International Airport rental car and explore Quebec and beyond with your own set of wheels. Thrifty, Alamo and Avis are popular outlets you can book with here.

  • For the best deal, reserve your ride from Quebec City Jean Lesage International Airport around one week before you travel.

Getting from Quebec City Jean Lesage International Airport (YQB) to central Quebec

  • Quebec City Jean Lesage International Airport to the centre of Quebec has a drive time of around 25 minutes. It's approximately 18 kilometres away.

  • Travelling to the centre by public transport takes roughly 1 hour 20 minutes.

When to fly to Quebec City Jean Lesage International Airport (YQB)

  • It's time to pick your dates for your flight from Lambert-St. Louis International Airport to Quebec City Jean Lesage International Airport. August is the busiest month to head to Quebec. If you'd like a more relaxed vibe, go in May.

  • The warmest month in Quebec is July, with the temperature ranging between 7ºC (45ºF) and 21ºC (70ºF). Lock in your flights from Lambert-St. Louis International Airport to Quebec City Jean Lesage International Airport in this month if this is the type of weather you enjoy.

  • If you want to travel in cooler conditions, look for a cheap ticket from STL to YQB in January. Temperatures average between -30ºC (-22ºF) and -12ºC (10ºF) then.

Explore more of Canada

  • Montreal is just one of the many cities in Canada waiting to be explored after you've seen Quebec. Around 241 kilometres away to the south-west, top sights here include Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

  • If you're interested in discovering another corner of Canada, consider Ottawa, about 386 kilometres west of Quebec. Parliament Hill, Rideau Canal and National Gallery of Canada are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.