You know where to go
Select an airport in the search form
You don't know where to go
See where you can go on your budget
Cheap flights from Ontario to London
Round-trip
Economy
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
$361
Find similar
British Airways
Aug 8
ONT
Ontario
36h 04m
1 stop
LHR
London Heathrow
Aug 23
LHR
London Heathrow
32h 48m
2 stops
ONT
Ontario
$381
Find similar
Multiple Airlines
May 16
ONT
Ontario
41h 00m
2 stops
LHR
London Heathrow
May 28
LHR
London Heathrow
40h 31m
2 stops
ONT
Ontario
$364
Find similar
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
$322
Find similar
Virgin Atlantic
May 6
ONT
Ontario
13h 46m
1 stop
LHR
London Heathrow
$391
Find similar
British Airways
May 6
ONT
Ontario
16h 50m
1 stop
LHR
London Heathrow
$402
Find similar
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
View more