Find cheap flights to St. Louis

Round-trip
Economy
Washington (WAS)
St. Louis (STL)
Tue. 26/1
Tue. 2/2
Any month
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Cheapest flights to St. Louis airports

Find the cheapest flights to these St. Louis airports from your nearest city or airport
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When is the best time to fly to St. Louis?

What is the absolute cheapest flight to St. Louis?

The best deal found on momondo in the last two weeks was a flight to St. Louis from Portland for 193 C$. This is 72% cheaper than most flight deals to St. Louis. To find the cheapest price to St. Louis from your area, use momondo’s Airport-to-Airport Pricing Tool.

What is the cheapest month to fly to St. Louis?

The month of February is, on average, the cheapest month to fly to St. Louis from Canada, with most prices found around 468 C$. If you aren’t able to travel to St. Louis during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of 496 C$.

How far in advance should I book a flight to St. Louis?

The ideal time to book your flight to St. Louis is 39 days in advance, when prices tend to average 545 C$. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as 345 C$.

What is the cheapest day to depart on your flight to St. Louis?

According to our data, Tuesday is the cheapest day to fly to St. Louis from Canada. The lowest ticket price found for a Tuesday departure recently was 517 C$. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to St. Louis on Sunday is 613 C$.

What is the cheapest time of day to depart on your flight to St. Louis?

Our most recent data shows that the best time of day to fly to St. Louis is at noon. Flights from Canada to St. Louis during this time can be as low as 445 C$. Flights to St. Louis are more costly in the evening, with an average ticket price of 594 C$. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Is there an alternative airport near St. Louis?

Belleville Airport, Marion Williamson County Airport or Springfield Capital Airport can be an alternative airport used for travel to St. Louis.

Is there a cheaper alternative to flying into St. Louis?

You can find deals at Springfield Capital Airport for 481 C$pp on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Lambert-St Louis flight deals found on momondo

Check out some of the best fares from airports in Canada to Lambert-St Louis found recently by users on momondo
Air Canada
22 Apr.
2h 09m
Toronto Pearson Intl
2h 09m
6:34 p.m.
Lambert-St Louis
23 Apr.
1:40 p.m.
Lambert-St Louis
2h 03m
3:43 p.m.
Toronto Pearson Intl
Air Canada
22 Apr.
2h 09m
Toronto Pearson Intl
2h 09m
6:44 a.m.
Lambert-St Louis
23 Apr.
1:40 p.m.
Lambert-St Louis
2h 03m
3:43 p.m.
Toronto Pearson Intl
Multiple Airlines
22 Apr.
2h 09m
Toronto Pearson Intl
2h 09m
6:34 p.m.
Lambert-St Louis
23 Apr.
1:35 a.m.
Lambert-St Louis
3h 42m
1 stop
5:17 a.m.
Toronto Pearson Intl
Multiple Airlines
22 Apr.
2h 09m
Toronto Pearson Intl
2h 09m
6:34 p.m.
Lambert-St Louis
23 Apr.
3:51 a.m.
Lambert-St Louis
5h 15m
1 stop
9:06 a.m.
Toronto Pearson Intl
United Airlines
22 Apr.
4h 24m
Toronto Pearson Intl
4h 24m
1 stop
6:04 p.m.
Lambert-St Louis
23 Apr.
5:05 a.m.
Lambert-St Louis
4h 01m
1 stop
9:06 a.m.
Toronto Pearson Intl
United Airlines
2 Mar.
5h 24m
Toronto Pearson Intl
5h 24m
1 stop
3:01 p.m.
Lambert-St Louis
16 Mar.
9:14 a.m.
Lambert-St Louis
4h 18m
1 stop
1:32 p.m.
Toronto Pearson Intl

Find the cheapest one-way flights to Lambert-St Louis

If you're looking for one-way flights to St. Louis, view some of our deals below provided by United Airlines and Delta
Delta
6 Feb.
10h 54m
Montreal Pierre Elliott Trudeau Intl
10h 54m
2 stops
6:52 p.m.
Lambert-St Louis
United Airlines
16 May
13h 04m
Vancouver Intl
13h 04m
2 stops
3:04 p.m.
Lambert-St Louis
United Airlines
16 May
14h 49m
Vancouver Intl
14h 49m
2 stops
4:49 p.m.
Lambert-St Louis


Which airlines fly to St. Louis?

Here you can see a selection of the most popular and cheapest airlines for flights to St. Louis

Popular routes to St. Louis

Most frequently searched flights to St. Louis along with the cheapest price and shortest flight duration
Toronto to St. Louis Flights
Fastest flight time
2h 09m
Cheapest price
349 C$
Calgary to St. Louis Flights
Fastest flight time
7h 35m
Cheapest price
356 C$
Ottawa to St. Louis Flights
Fastest flight time
5h 04m
Cheapest price
361 C$
Montreal to St. Louis Flights
Fastest flight time
5h 14m
Cheapest price
370 C$
Québec City to St. Louis Flights
Fastest flight time
17h 43m
Cheapest price
370 C$
Vancouver to St. Louis Flights
Fastest flight time
6h 04m
Cheapest price
410 C$
Halifax to St. Louis Flights
Fastest flight time
9h 40m
Cheapest price
420 C$
Victoria to St. Louis Flights
Fastest flight time
29h 30m
Cheapest price
454 C$
Charlottetown (Prince Edward Island) to St. Louis Flights
Fastest flight time
11h 37m
Cheapest price
602 C$
Saskatoon to St. Louis Flights
Fastest flight time
20h 50m
Cheapest price
1,099 C$
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