Flight information for London to Ontario
(LON to ONT)
Find info about flight duration, direct flights, and airports for your flight from London to Ontario
| Best price found | €696 | The best one-way flight to Ontario from London in the past 72 hours is €696. The best return flight deal from London to Ontario found on momondo in the last 72 hours is €623. |
| Fastest flight time | 14h 55m | The fastest flight from London to Ontario takes 14h 55m |
| Direct flights | None | There are no direct flights from London to Ontario. Popular non-direct route for this connection is London Heathrow Airport - Ontario Airport. |
| Airports in Ontario | 1 airport | There is 1 airport near Ontario: Ontario (ONT) |
How to get the cheapest flight ticket from London to 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 month to fly from London to Ontario?
February
The cheapest time of year to fly to Ontario from London is February. The most expensive is July.
What is the cheapest London to Ontario flight route?
London Heathrow - Ontario
Fly from London Heathrow to Ontario for the best London - Ontario flight prices
How far in advance should you book London to Ontario flights?
39 days before
The cheapest time to buy a flight from London to Ontario is approximately 39 days to departure
Easily compare return flights from London to Ontario
Below you can see the best fares for your return flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Ontario by changing tabs
KLM![KLM]()
16 Feb![KLM]()
24 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
United Airlines![United Airlines]()
23 Feb![United Airlines]()
10 Mar
LHR01:30London Heathrow
22h 18m
2 stops
ONT23:48Ontario
ONT08:23Ontario
12h 17m
1 stop
LHR20:40London Heathrow
British Airways![British Airways]()
9 Mar![British Airways]()
28 Mar
LHR02:30London Heathrow
20h 36m
2 stops
ONT23:06Ontario
ONT08:56Ontario
15h 49m
1 stop
LHR00:45London Heathrow
KLM![KLM]()
16 Feb![KLM]()
23 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
KLM![KLM]()
16 Feb![KLM]()
23 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
Find the cheapest one-way flights from London to Ontario
If you're looking for one-way flights from London to Ontario, view some of our deals below provided by JetBlue and Qatar Airways
Search last-minute flights to Ontario from London
Find and compare return flight prices for your last-minute flight from London to Ontario
KLM![KLM]()
26 Jan![KLM]()
21 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
United Airlines![United Airlines]()
27 Jan![United Airlines]()
3 Feb
LHR02:30London Heathrow
34h 32m
2 stops
ONT13:02Ontario
ONT01:00Ontario
17h 25m
2 stops
LHR18:25London Heathrow
British Airways![British Airways]()
29 Jan![British Airways]()
10 Feb
LHR02:35London Heathrow
20h 34m
2 stops
ONT23:09Ontario
ONT07:52Ontario
12h 38m
1 stop
LHR20:30London Heathrow
Multiple Airlines![Multiple Airlines]()
29 Jan![Multiple Airlines]()
10 Feb
LHR03:50London Heathrow
19h 02m
2 stops
ONT22:52Ontario
ONT11:00Ontario
20h 55m
2 stops
LHR07:55London Heathrow
KLM![KLM]()
25 Jan![KLM]()
1 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
KLM flights from London to Ontario
Our best KLM deals on London to Ontario flight tickets
KLM![KLM]()
16 Feb![KLM]()
24 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
KLM![KLM]()
16 Feb![KLM]()
23 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
British Airways flights from London to Ontario
Our best British Airways deals on London to Ontario flight tickets
British Airways![British Airways]()
9 Mar![British Airways]()
28 Mar
LHR02:30London Heathrow
20h 36m
2 stops
ONT23:06Ontario
ONT08:56Ontario
15h 49m
1 stop
LHR00:45London Heathrow
British Airways![British Airways]()
23 Mar![British Airways]()
28 Mar
LHR03:30London Heathrow
19h 36m
2 stops
ONT23:06Ontario
ONT10:35Ontario
14h 10m
1 stop
LHR00:45London Heathrow
How far is London to Ontario by plane?
A flight from London to Ontario will travel around 8718.6 km. Typically, this will take 17h 44m by plane in normal conditions.