Cheap flights from London to Ontario from €390

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Mon 31/1

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€696The 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 time14h 55mThe fastest flight from London to Ontario takes 14h 55m
Direct flightsNoneThere are no direct flights from London to Ontario. Popular non-direct route for this connection is London Heathrow Airport - Ontario Airport.
Airports in Ontario1 airportThere 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
16 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
24 Feb
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
United Airlines
23 Feb
LHR01:30London Heathrow
22h 18m
2 stops
ONT23:48Ontario
10 Mar
ONT08:23Ontario
12h 17m
1 stop
LHR20:40London Heathrow
British Airways
9 Mar
LHR02:30London Heathrow
20h 36m
2 stops
ONT23:06Ontario
28 Mar
ONT08:56Ontario
15h 49m
1 stop
LHR00:45London Heathrow
KLM
16 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
23 Feb
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
KLM
16 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
23 Feb
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
British Airways
23 Mar
LHR03:30London Heathrow
19h 36m
2 stops
ONT23:06Ontario
28 Mar
ONT10:35Ontario
14h 10m
1 stop
LHR00:45London 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
JetBlue
6 Apr
LHR10:00London Heathrow
16h 07m
1 stop
ONT02:07Ontario
Qatar Airways
17 Mar
LHR11:10London Heathrow
32h 40m
2 stops
ONT19:50Ontario
Multiple Airlines
13 Feb
LHR07:15London Heathrow
19h 10m
2 stops
ONT02:25Ontario

Search last-minute flights to Ontario from London

Find and compare return flight prices for your last-minute flight from London to Ontario
KLM
26 Jan
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
21 Feb
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
United Airlines
27 Jan
LHR02:30London Heathrow
34h 32m
2 stops
ONT13:02Ontario
3 Feb
ONT01:00Ontario
17h 25m
2 stops
LHR18:25London Heathrow
British Airways
29 Jan
LHR02:35London Heathrow
20h 34m
2 stops
ONT23:09Ontario
10 Feb
ONT07:52Ontario
12h 38m
1 stop
LHR20:30London Heathrow
Multiple Airlines
29 Jan
LHR03:50London Heathrow
19h 02m
2 stops
ONT22:52Ontario
10 Feb
ONT11:00Ontario
20h 55m
2 stops
LHR07:55London Heathrow
KLM
25 Jan
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
1 Feb
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
United Airlines
27 Jan
LHR02:30London Heathrow
34h 32m
2 stops
ONT13:02Ontario
2 Feb
ONT11:00Ontario
31h 25m
2 stops
LHR18:25London Heathrow

KLM flights from London to Ontario

Our best KLM deals on London to Ontario flight tickets
KLM
16 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
24 Feb
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
KLM
16 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
23 Feb
ONT02:00Ontario
16h 30m
1 stop
LHR18:30London Heathrow
KLM
16 Feb
LHR01:30London Heathrow
17h 44m
2 stops
ONT19:14Ontario
23 Feb
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
9 Mar
LHR02:30London Heathrow
20h 36m
2 stops
ONT23:06Ontario
28 Mar
ONT08:56Ontario
15h 49m
1 stop
LHR00:45London Heathrow
British Airways
23 Mar
LHR03:30London Heathrow
19h 36m
2 stops
ONT23:06Ontario
28 Mar
ONT10:35Ontario
14h 10m
1 stop
LHR00:45London Heathrow
British Airways
23 Mar
LHR03:30London Heathrow
19h 36m
2 stops
ONT23:06Ontario
14 Apr
ONT07:16Ontario
14h 09m
1 stop
LHR21:25London 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.


Alternative routes for London to Ontario

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to San Francisco Flights
Fastest flight time11h 00m
Cheapest price€436
London to Los Angeles Flights
Fastest flight time11h 20m
Cheapest price€521