Cheap flights from Ontario to London

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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
Fastest flight time 12h 20m The fastest flight from Ontario to London takes 12h 20m.
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 Gatwick and Ontario - London City.
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?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
When is the cheapest time to fly to London?
in the evening
Ontario to London flights are approximately 15% 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
Virgin Atlantic
Virgin Atlantic
19 Feb
2:14 am
ONT
Ontario airport
16h 41m
1 Stop
LHR
2:55 am
+1
London Heathrow airport
Virgin Atlantic
04 Mar
9:25 am
LHR
London Heathrow airport
21h 54m
1 Stop
ONT
11:19 pm
Ontario airport
$344
British Airways
British Airways
05 May
10:00 pm
ONT
Ontario airport
23h 45m
1 Stop
LHR
5:45 am
+2
London Heathrow airport
British Airways
13 May
11:35 am
LHR
London Heathrow airport
20h 44m
2 Stops
ONT
12:19 am
+1
Ontario airport
$369
British Airways
British Airways
21 May
9:36 am
ONT
Ontario airport
16h 04m
2 Stops
LGW
9:40 am
+1
London Gatwick airport
British Airways
26 May
11:55 am
LGW
London Gatwick airport
34h 30m
2 Stops
ONT
2:25 pm
+1
Ontario airport
$369
American Airlines
American Airlines
04 Mar
3:55 am
ONT
Ontario airport
13h 45m
1 Stop
LHR
1:40 am
+1
London Heathrow airport
American Airlines
19 Mar
9:30 am
LHR
London Heathrow airport
13h 39m
1 Stop
ONT
4:09 pm
Ontario airport
$380
Major Airline
Major Airline
21 Feb
8:51 am
ONT
Ontario airport
12h 44m
1 Stop
LHR
5:35 am
+1
London Heathrow airport
Major Airline
04 Mar
9:30 am
LHR
London Heathrow airport
14h 41m
1 Stop
ONT
4:11 pm
Ontario airport
$481
Major Airline
Major Airline
08 Feb
4:13 am
ONT
Ontario airport
13h 27m
1 Stop
LHR
1:40 am
+1
London Heathrow airport
Major Airline
13 Feb
9:30 am
LHR
London Heathrow airport
14h 41m
1 Stop
ONT
4:11 pm
Ontario airport
$548

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
Fastest flight time
10h 15m
Cheapest price
$230
Palm Springs to London
Fastest flight time
12h 51m
Cheapest price
$443
San Diego to London
Fastest flight time
10h 30m
Cheapest price
$475
Los Angeles to Bristol
Fastest flight time
15h 25m
Cheapest price
$520
Los Angeles to Birmingham
Fastest flight time
12h 55m
Cheapest price
$605
San Diego to Birmingham
Fastest flight time
17h 10m
Cheapest price
$773
View more

Flights from Ontario to:

*Flight prices to London are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.