Cheap flights from Ontario to London

Round-trip
Economy
Los Angeles (LAX)
London (LON)
Sat 5/9
Sat 5/16
Any month
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Flight information for Ontario to London
(ONT to LON)

Find info about flight duration, direct flights, and airports for your flight from Ontario to London
Best Price Found $377 The best flight deal from Ontario to London found on momondo in the last 72 hours is $377
Fastest flight time 12h 40m The fastest flight from Ontario to London takes 12h 40m.
Direct flights None There are no direct flights from Ontario to London. Popular non-direct routes for this connection are Ontario - London Heathrow, Ontario - London City and Ontario - London Gatwick.
Airports in London 6 airports There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

How to get the cheapest flight ticket from Ontario to London

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 to London?
October
The cheapest time of year to fly to London from Ontario is October. Most expensive is July
What is the cheapest day to fly to London?
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Thursday
When is the cheapest time to fly to London?
in the evening
Ontario to London flights are approximately 14% more expensive at noon than in the evening
What is the cheapest airline that flies to London?
Endeavor Airlines
Endeavor Airlines, Brussels Airlines, and Austrian Airlines are the most popular carriers operating from Ontario to London
What is the cheapest route?
Ontario - London Heathrow
Fly from Ontario to London Heathrow for the best Ontario - London flight prices
When is the cheapest time to book a flight to London?
41 days before
The cheapest time to buy a flight from Ontario to London is approximately 41 days to departure
60
Days before departure
0

Easily compare round-trip flights from Ontario to London

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 Ontario to London by changing tabs
Quickest
Cheapest
Multiple Airlines
May 12
ONT
Ontario
24h 06m
1 stop
LHR
London Heathrow
May 28
LHR
London Heathrow
17h 11m
1 stop
ONT
Ontario
British Airways
Aug 8
ONT
Ontario
36h 04m
1 stop
LHR
London Heathrow
Aug 23
LHR
London Heathrow
32h 48m
2 stops
ONT
Ontario
Multiple Airlines
May 16
ONT
Ontario
41h 00m
2 stops
LHR
London Heathrow
May 28
LHR
London Heathrow
40h 31m
2 stops
ONT
Ontario

Find the cheapest one-way flights from Ontario to London

If you're looking for one-way flights from Ontario to London, view some of our deals below provided by Virgin Atlantic and British Airways
Quickest
Cheapest
Multiple Airlines
May 4
ONT
Ontario
12h 21m
1 stop
LHR
London Heathrow
Virgin Atlantic
May 6
ONT
Ontario
13h 46m
1 stop
LHR
London Heathrow
British Airways
May 6
ONT
Ontario
16h 50m
1 stop
LHR
London Heathrow

Alternative routes for Ontario to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to London Flights
Fastest flight time
13h 00m
Cheapest price
$319
Palm Springs to London Flights
Fastest flight time
19h 10m
Cheapest price
$457
San Diego to London Flights
Fastest flight time
15h 50m
Cheapest price
$491
Los Angeles to Manchester Flights
Fastest flight time
10h 20m
Cheapest price
$565
Los Angeles to Birmingham Flights
Fastest flight time
14h 40m
Cheapest price
$641
San Diego to Birmingham Flights
Fastest flight time
17h 10m
Cheapest price
$898
Los Angeles to Bristol Flights
Fastest flight time
18h 10m
Cheapest price
$947
San Diego to Manchester Flights
Fastest flight time
16h 20m
Cheapest price
$1,123
View more

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Economy
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Economy
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