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Cheap flights from Ontario (ONT) to London (LON)

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The best prices from Ontario to London are usually found in January or February, booked 40 days in advance, depart on a Monday or Sunday and return on a Monday

ONT - LON
Price
$414 - $779
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches
Popular in July High demand for flights, 28% potential price rise
Cheapest in January Best time to find cheap flights, 26% potential price drop
Average price $475 Average for round-trip flights in March 2020
Round-trip from $414 From Ontario to London

Cheap flights from Ontario to London in April 2020

The best prices found for ONT to LGW flights for April
23 Apr - 30 Apr
$339pp
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ONT
Ontario
20 Apr - 4 May
$352pp
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ONT
Ontario
27 Apr - 12 May
$355pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
ONT
Ontario

Ontario to London 2020 flight deals

Cheap flights to London from Ontario found for this year
20 May - 27 May
$335pp
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ONT
Ontario
3 May - 13 May
$350pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
ONT
Ontario
13 May - 26 May
$351pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
ONT
Ontario

Last minute flights from Ontario to London

Late deals on round-trip flights to London from Ontario, departing today and this week
1 Apr - 8 Apr
$776pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ONT
Ontario
29 Mar - 7 May
$863pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ONT
Ontario
30 Mar - 17 Apr
$876pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ONT
Ontario

Alternative routes for Ontario to London

Destination information for London

Things to know before you go. Useful info for your trip from Ontario to London
Today's exchange rate
$1.00 = £0.85
Average temperature for March in London
53.6 °F
Avg rainfall for March in London
1.4 ″

Airports servicing Ontario

Airports servicing London

Stansted (STN)
City (LCY)
Gatwick (LGW)
Heathrow (LHR)
Luton (LTN)

Related info for your journey

Useful info, stats and facts about Ontario to London flights.

Flight FAQs

From Ontario to London

Are flight prices decreasing from Ontario to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Ontario to London for under $400 on Cheapflights?

Yes, there are multiple flights from Ontario to London for under $400. The cheapest flight booked recently is on Virgin Atlantic for just $339, but on average you can expect to pay $348.

Are there nonstop flights from Ontario to London for under $400 on Cheapflights?

Cheapflights has 3 direct flights from Ontario to London under $400. A good price for a nonstop flight from Ontario to London is less than $348.

Are there last-minute flights available from Ontario to London for under $800?

There are currently just 3 open flights from Ontario to London within the next 7 days for less than $800.

What days are nonstop flights available from Ontario to London?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 38 users have taken a look at flights from Ontario to London.

Is Ontario weather warmer or cooler than London?

Temperatures around the 95 °F's can be experienced in July. The weather in London is colder than in Ontario. Plan for potential changes in flight availability as peak weather approaches in this location.