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Cheap flights from St. Louis to London, Ontario from C$ 486

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to London, Ontario departing on 15/8. 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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Cheap St. Louis to London, Ontario (STL to YXU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to London, Ontario

Best price found

C$ 486

Fastest flight time

4h 30m

Direct flights

None

Airports in London, Ontario

1 airport
The best one-way flight to London, Ontario from St. Louis in the past 72 hours is C$ 486. The best round-trip flight deal from St. Louis to London, Ontario found on momondo in the last 72 hours is C$ 983.
The fastest flight from St. Louis to London, Ontario takes 4h 30m
There are no direct flights from St. Louis to London, Ontario. Popular non-direct route for this connection is Lambert-St Louis Airport - London Airport.
There is 1 airport near London, Ontario: London (YXU)

How to get the cheapest flight ticket from St. Louis to London, Ontario

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 St. Louis to London, Ontario flight route?

Lambert-St Louis - London. Fly from Lambert-St Louis to London for the best St. Louis - London, Ontario flight prices

If you are looking to fly from St. Louis to London, you are most likely going to fly from Lambert-St Louis Airport to London Airport, the most popular airports on that route. You may be looking for an airport near London Airport to land at when travelling from St. Louis and Toronto Pearson Intl Airport, located in Toronto is a great option. The least expensive flight option from St. Louis to London will typically be STL — YYZ during the month of April with an average price of C$ 413 RT.

Lambert-St Louis Airport (STL) to Toronto Pearson Intl Airport (YYZ)C$ 413
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Lambert-St Louis Airport (STL) to London Airport (YXU)C$ 1,109
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Easily compare round-trip flights from St. Louis to London, Ontario

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 St. Louis to London, Ontario by changing tabs
Air Canada
14 Aug.
STL10:10 a.m.Lambert-St Louis
6h 35m
1 stop
YXU5:45 p.m.London
18 Aug.
YXU3:20 p.m.London
5h 41m
1 stop
STL8:01 p.m.Lambert-St Louis
Air Canada
15 Aug.
STL4:05 p.m.Lambert-St Louis
4h 30m
1 stop
YXU9:35 p.m.London
18 Aug.
YXU9:50 a.m.London
6h 31m
1 stop
STL3:21 p.m.Lambert-St Louis
C$ 1,011
Find similar
Air Canada
16 Aug.
STL10:10 a.m.Lambert-St Louis
6h 35m
1 stop
YXU5:45 p.m.London
18 Aug.
YXU9:50 a.m.London
12h 15m
2 stops
STL9:05 p.m.Lambert-St Louis
C$ 1,065
Find similar
Air Canada
15 Aug.
STL10:19 a.m.Lambert-St Louis
10h 16m
2 stops
YXU9:35 p.m.London
18 Aug.
YXU9:50 a.m.London
6h 31m
1 stop
STL3:21 p.m.Lambert-St Louis
C$ 1,105
Find similar
Air Canada
14 Aug.
STL5:30 p.m.Lambert-St Louis
14h 45m
2 stops
YXU9:15 a.m.London
18 Aug.
YXU3:20 p.m.London
5h 41m
1 stop
STL8:01 p.m.Lambert-St Louis
C$ 1,137
Find similar
Air Canada
14 Aug.
STL10:19 a.m.Lambert-St Louis
10h 16m
2 stops
YXU9:35 p.m.London
18 Aug.
YXU9:50 a.m.London
12h 15m
2 stops
STL9:05 p.m.Lambert-St Louis
C$ 1,189
Find similar

Find the cheapest one-way flights from St. Louis to London, Ontario

If you're looking for one-way flights from St. Louis to London, Ontario, view some of our deals below provided by Air Canada
Air Canada
15 Aug.
STL10:10 a.m.Lambert-St Louis
6h 35m
1 stop
YXU5:45 p.m.London
Multiple Airlines
16 Aug.
STL6:15 p.m.Lambert-St Louis
34h 03m
3 stops
YXU5:18 a.m.London
Air Canada
15 Aug.
STL10:19 a.m.Lambert-St Louis
10h 16m
2 stops
YXU9:35 p.m.London

Air Canada flights from St. Louis to London, Ontario

Our best Air Canada deals on St. Louis to London, Ontario flight tickets
Air Canada
14 Aug.
STL10:10 a.m.Lambert-St Louis
6h 35m
1 stop
YXU5:45 p.m.London
18 Aug.
YXU3:20 p.m.London
5h 41m
1 stop
STL8:01 p.m.Lambert-St Louis
Air Canada
15 Aug.
STL4:05 p.m.Lambert-St Louis
4h 30m
1 stop
YXU9:35 p.m.London
18 Aug.
YXU9:50 a.m.London
6h 31m
1 stop
STL3:21 p.m.Lambert-St Louis
C$ 1,011
Find similar
Air Canada
16 Aug.
STL10:10 a.m.Lambert-St Louis
6h 35m
1 stop
YXU5:45 p.m.London
18 Aug.
YXU9:50 a.m.London
12h 15m
2 stops
STL9:05 p.m.Lambert-St Louis
C$ 1,065
Find similar

  • How far is Lambert-St Louis to London by plane?

    London is 895.2 km away from Lambert-St Louis. In terms of flight time, this usually takes a little over 4h 30m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to London Airport?

    Prices for flights from Lambert-St Louis Airport to London Airport are updated daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to London 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 Lambert-St Louis Airport to London Airport.

  • What documentation or ID do you need to fly to London Airport?

    The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Alternative routes for St. Louis to London, Ontario

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Kansas City to Toronto Flights
Fastest flight time4h 09m
Cheapest priceC$ 446
St. Louis to Toronto Flights
Fastest flight time1h 54m
Cheapest priceC$ 413
Kansas City to Ottawa Flights
Fastest flight time11h 17m
Cheapest priceC$ 725
Springfield to Toronto Flights
Fastest flight time28h 36m
Cheapest priceC$ 765

Similar St. Louis to London, Ontario flights

Flexible with your destination? Broaden your search and find flights similar to your St. Louis to London, Ontario route

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to London. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to London with flexible booking policies on momondo?

All flight searches from St. Louis to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to London?

Once all potential St. Louis to London 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 St. Louis to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from St. Louis and alert you when they change.


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