518 € Cheap Flights 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

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Flight deals from St Louis to Quebec

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Quebec Airport? If you want to travel next month, return fares start from 518 €. Find the lowest prices on one-way and return tickets right here.

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 July.

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 found518 €
Cheapest month to flyJuly

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 518 €. 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 518 €.
As of June 2026, there are no flights flying from St Louis to Quebec.
The cheapest month to fly from St Louis to Quebec is usually July.
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 Tuesday, 21 July 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, Frontier Airlines offers the cheapest flight tickets to Quebec.

Flying from St Louis Airport (STL) to Quebec Airport (YQB): what you need to know

  • The timezone in Quebec is UTC-5, which is one hour ahead of St Louis.

  • To ensure you catch your STL to YQB flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • During popular months such as July, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during peak periods in general.

  • Consider adding a stopover when booking your ticket from St Louis Airport to Quebec Airport. Simply deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Check out these options between STL and YQB:

    • Chicago O'Hare International Airport

    • Philadelphia International Airport

    • Montreal Pierre Elliott Trudeau Airport

How to find the cheapest flights from St Louis Airport (STL) to Quebec Airport (YQB)

  • The cheapest price we've found for a one-way St Louis Airport to Quebec Airport flight is 228 €. A return plane ticket is currently 518 €. Depending on the availability when you book, these fares can change.

  • It's a good idea to book in advance if you want to find cheap tickets from STL to YQB. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll give you the lowest price across every month when looking for your flight from St Louis Airport to Quebec Airport.

  • Spend less time searching for cheap flights from STL to YQB by creating a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.

  • Find the right flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from St Louis Airport to Quebec Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about St Louis Airport (STL)

Arriving at Quebec Airport (YQB)

  • Book a hotel near YQB if you're on a late St Louis Airport to Quebec Airport flight. Check in to one of these options and make your arrival easier:

  • Grab a Quebec Airport rental car and discover Quebec and beyond with your own set of wheels. Thrifty, Alamo and Avis are popular providers to choose from here.

  • Lock in the best deal by booking your vehicle from Quebec Airport around one week ahead of your trip.

Getting from Quebec Airport (YQB) to central Quebec

  • Quebec Airport to the centre of Quebec has a drive time of about 20 minutes. It's approximately 16 kilometres away.

  • Getting there by public transport will take you around 35 minutes.

When to fly to Quebec Airport (YQB)

  • August is the most popular month for flights from St Louis Airport to Quebec Airport. To escape the crowds, head to Quebec in March.

  • When reserving your flight from St Louis Airport to Quebec Airport, think about the type of weather you like. July is the warmest month in Quebec, with temperatures ranging from 7ºC (45ºF) to 21ºC (70ºF).

  • If you want to travel in cooler conditions, search 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 discovered after you've experienced Quebec. Around 241 kilometres away to the south-west, well-known attractions include Cirque du Soleil - KURIOS, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

  • Ottawa is another favourite destination in Canada and is around 386 kilometres west of Quebec. No trip is complete without visiting Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.