Cheap Flights from St Louis to Quebec
No deal from St Louis to Quebec has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from St Louis to Quebec, the lowest round-trip fare we recorded was $528, in September. The typical fare was $615. September was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $769 on American and United, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/st-louis">from St Louis</a>, <a href="/to/quebec">to Quebec</a>, or the return direction <a href="/from/quebec/to/st-louis">Quebec to St Louis</a>.
Latest price we saw: St Louis to Quebec
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| St Louis (STL) to Quebec (YQB) | $769 | 34.7¢ | Nov 16 – Nov 25 | American and United | Oct 16 | Check price |
Price history: St Louis to Quebec
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $640 | $706 | 6 |
| Sep 2026 | $528 | $594 | 18 |
| Aug 2026 | $552 | $599 | 27 |
| Jul 2026 | $562 | $562 | 1 |
Frequently asked questions
How many flight deals from St Louis to Quebec are on Sparkflights right now?
There are 0 verified deals from St Louis to Quebec on the board right now. The list refreshes hourly.
What is the lowest price ever seen from St Louis to Quebec?
The lowest fare we've recorded from St Louis to Quebec is $528, based on 52 price observations over 4 months.
How much does a flight from St Louis to Quebec cost?
The typical round-trip fare we observed from St Louis to Quebec is $615, against a recorded low of $528. These are observations, not quotes.
When is the cheapest month to fly St Louis to Quebec?
September was the cheapest month we observed from St Louis to Quebec and October the dearest, over 4 months of data.
What is the current price from St Louis to Quebec?
The most recent fare our sweep saw from St Louis to Quebec is $769, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.