Cheap flights from Montreal to St. Louis from C$ 233
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to St. Louis departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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1 adult
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Wed 29/5
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Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Montreal to St. Louis by changing tabs
United Airlines![United Airlines]()
7 Sep.![United Airlines]()
10 Sep.
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
2h 35m
STL9:05 p.m.Lambert-St Louis
STL5:18 p.m.Lambert-St Louis
15h 53m
2 stops
YUL10:11 a.m.Montreal Pierre Elliott Trudeau Intl
Delta![Delta]()
7 Sep.![Delta]()
10 Sep.
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
7h 59m
1 stop
STL2:29 p.m.Lambert-St Louis
STL6:00 p.m.Lambert-St Louis
4h 02m
1 stop
YUL11:02 p.m.Montreal Pierre Elliott Trudeau Intl
American Airlines![American Airlines]()
16 Aug.![American Airlines]()
21 Aug.
YUL7:50 a.m.Montreal Pierre Elliott Trudeau Intl
9h 20m
1 stop
STL4:10 p.m.Lambert-St Louis
STL5:30 a.m.Lambert-St Louis
16h 14m
1 stop
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
Air Canada![Air Canada]()
30 Aug.![Air Canada]()
1 Sep.
YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl
6h 11m
1 stop
STL3:21 p.m.Lambert-St Louis
STL12:00 p.m.Lambert-St Louis
2h 23m
YUL3:23 p.m.Montreal Pierre Elliott Trudeau Intl
Multiple Airlines![Multiple Airlines]()
3 Jun.![Multiple Airlines]()
7 Jun.
YUL1:05 p.m.Montreal Pierre Elliott Trudeau Intl
21h 34m
2 stops
STL9:39 a.m.Lambert-St Louis
STL4:45 p.m.Lambert-St Louis
20h 50m
3 stops
YUL2:35 p.m.Montreal Pierre Elliott Trudeau Intl
Find the cheapest one-way flights from Montreal to St. Louis
If you're looking for one-way flights from Montreal to St. Louis, view some of our deals below provided by Air Canada, American Airlines and Delta
Multiple Airlines![Multiple Airlines]()
3 Jun.
YUL1:05 p.m.Montreal Pierre Elliott Trudeau Intl
19h 03m
1 stop
STL7:08 a.m.Lambert-St Louis
Delta![Delta]()
2 Jun.
YUL6:14 a.m.Montreal Pierre Elliott Trudeau Intl
9h 01m
1 stop
STL2:15 p.m.Lambert-St Louis
Search last-minute flights to St. Louis from Montreal
Find and compare round-trip flight prices for your last-minute flight from Montreal to St. Louis
Delta![Delta]()
22 May![Delta]()
29 May
YUL10:00 a.m.Montreal Pierre Elliott Trudeau Intl
5h 10m
1 stop
STL2:10 p.m.Lambert-St Louis
STL2:18 p.m.Lambert-St Louis
7h 50m
1 stop
YUL11:08 p.m.Montreal Pierre Elliott Trudeau Intl
American Airlines![American Airlines]()
22 May![American Airlines]()
29 May
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
9h 50m
2 stops
STL7:30 p.m.Lambert-St Louis
STL10:46 a.m.Lambert-St Louis
10h 53m
1 stop
YUL10:39 p.m.Montreal Pierre Elliott Trudeau Intl
Multiple Airlines![Multiple Airlines]()
22 May![Multiple Airlines]()
29 May
YUL6:50 a.m.Montreal Pierre Elliott Trudeau Intl
36h 50m
3 stops
STL6:40 p.m.Lambert-St Louis
STL9:45 a.m.Lambert-St Louis
35h 05m
3 stops
YUL9:50 p.m.Montreal Pierre Elliott Trudeau Intl
Air Canada![Air Canada]()
22 May![Air Canada]()
29 May
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
2h 35m
STL9:05 p.m.Lambert-St Louis
STL9:50 a.m.Lambert-St Louis
6h 28m
1 stop
YUL5:18 p.m.Montreal Pierre Elliott Trudeau Intl
American Airlines![American Airlines]()
22 May![American Airlines]()
29 May
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
9h 50m
2 stops
STL7:30 p.m.Lambert-St Louis
STL7:30 a.m.Lambert-St Louis
8h 00m
2 stops
YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl
United Airlines flights from Montreal to St. Louis
Our best United Airlines deals on Montreal to St. Louis flight tickets
United Airlines![United Airlines]()
7 Sep.![United Airlines]()
10 Sep.
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
2h 35m
STL9:05 p.m.Lambert-St Louis
STL5:18 p.m.Lambert-St Louis
15h 53m
2 stops
YUL10:11 a.m.Montreal Pierre Elliott Trudeau Intl
United Airlines![United Airlines]()
30 Aug.![United Airlines]()
1 Sep.
YUL6:15 a.m.Montreal Pierre Elliott Trudeau Intl
4h 52m
1 stop
STL10:07 a.m.Lambert-St Louis
STL6:02 a.m.Lambert-St Louis
6h 14m
1 stop
YUL1:16 p.m.Montreal Pierre Elliott Trudeau Intl
Delta flights from Montreal to St. Louis
Our best Delta deals on Montreal to St. Louis flight tickets
Delta![Delta]()
7 Sep.![Delta]()
10 Sep.
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
7h 59m
1 stop
STL2:29 p.m.Lambert-St Louis
STL6:00 p.m.Lambert-St Louis
4h 02m
1 stop
YUL11:02 p.m.Montreal Pierre Elliott Trudeau Intl
Delta![Delta]()
3 Jun.![Delta]()
7 Jun.
YUL6:46 p.m.Montreal Pierre Elliott Trudeau Intl
5h 54m
1 stop
STL11:40 p.m.Lambert-St Louis
STL4:02 p.m.Lambert-St Louis
6h 53m
1 stop
YUL11:55 p.m.Montreal Pierre Elliott Trudeau Intl
How to get the cheapest flight ticket from Montreal to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Montreal to St. Louis?
February. The cheapest time of year to fly to St. Louis from Montreal is February. The most expensive is July.
What is the cheapest day to depart Montreal for St. Louis?
Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly from Montreal to St. Louis?
In the morning. Montreal to St. Louis flights are approximately 25% more expensive in the afternoon than in the morning
What is the cheapest airline that flies to St. Louis from Montreal?
United Airlines. Air Canada, American Airlines, and Delta are the most popular carriers operating from Montreal to St. Louis
What is the cheapest Montreal to St. Louis flight route?
Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis. Fly from Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis for the best Montreal - St. Louis flight prices
How far in advance should you book Montreal to St. Louis flights?
57 days before. The cheapest time to buy a flight from Montreal to St. Louis is approximately 57 days to departure
Can stopping save me money on Montreal to St. Louis flights?
You could potentially save up to 19% on your flight if you consider stops on a Montreal to St. Louis flight.
Cheap Montreal to St. Louis (YMQ to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to St. Louis
Best price found | C$ 233 |
|---|---|
Fastest flight time | 2h 35m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in St. Louis | 1 airport |
How far is Montreal to Lambert-St Louis by plane?
The straight-line distance from Montreal to Lambert-St Louis is 1566.0 km. Flights usually cover this in 2h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Montreal to Lambert-St Louis Airport?
Prices for flights from Montreal to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Montreal to Lambert-St Louis Airport?
There are 6 operators available for flights from Montreal to Lambert-St Louis Airport as of May 2024.
How old do you have to be to fly from Montreal to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Montreal to St. Louis
Compare and see reviews for airlines that fly from Montreal to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 261 | Free Cancellation | Rating 7.4 10,924 reviews | |||
| PriceFrom C$ 325 | Free Cancellation | Rating 7.0 6,947 reviews | |||
| PriceFrom C$ 431 | Free Cancellation | Rating 8.0 10,673 reviews | |||
| PriceFrom C$ 500 | Free Cancellation | Rating 7.3 14,514 reviews | |||
| PriceFrom C$ 642 | Free Cancellation | Rating 7.5 2,919 reviews | |||
| PriceFrom C$ 860 | Free Cancellation | Rating 8.1 46 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Montreal to St. Louis?
It is quick and easy to find Montreal to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Montreal to St. Louis with flexible booking policies on momondo?
Yes. All flights to St. Louis from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Montreal to St. Louis?
Once all potential Montreal to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Montreal to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Montreal and alert you when they change.
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