Cheap flights from United Kingdom to Ontario

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How to find the cheapest flight from
United Kingdom to Ontario (ONT)

All the information you need to plan the best null to ONT flight in 2021: compare United Kingdom to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
How far in advance should I book a flight from United Kingdom to Ontario?

Find a great deal and save up to 40% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from United Kingdom to Ontario within the next two weeks, with the cheapest ticket starting at £394.

What is the cheapest month to fly from United Kingdom to Ontario?

Flights from United Kingdom to Ontario lean towards being more expensive in July. Prices are generally better when you fly from United Kingdom to Ontario in November, with the cheapest ticket starting at £260.

Cheap flights from United Kingdom to Ontario in June, July 2021

The best prices found for United Kingdom to ONT flights in June, July
2 Jul - 4 Jul
£515pp
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
2 Jul - 4 Jul
£526pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
4 Jul - 11 Jul
£536pp
LHR
London Heathrow
KLM
 
1 STOP
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow

United Kingdom to Ontario 2021 flight deals

Cheap flights to Ontario from United Kingdom found for this year
1 Nov - 15 Nov
£355pp
LHR
London Heathrow
KLM
 
1 STOP
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
4 Nov - 8 Nov
£376pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
4 Nov - 8 Nov
£386pp
LHR
London Heathrow
KLM
 
1 STOP
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow

Last-minute flights from United Kingdom to Ontario

Late deals on return flights to Ontario from United Kingdom, departing today and this week
28 Jun - 5 Jul
£659pp
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
28 Jun - 5 Jul
£670pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
29 Jun - 13 Jul
£672pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow

One-way flights to Ontario from United Kingdom

The cheapest one-way flights from United Kingdom to Ontario
09:40 - 16:56
Lufthansa
1 stop
15h 16m
LHR - ONT
Lufthansa
£450
Gotogate
06:15 - 15:44
KLM
1 stop
17h 29m
LHR - ONT
KLM
£540
KLM
06:15 - 14:01
British Airways
1 stop
15h 46m
LHR - ONT
British Airways

Related info for your journey

Useful info, stats and facts about <span class="emphasized">United Kingdom</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From United Kingdom to Ontario

Are flight prices decreasing from United Kingdom to Ontario 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 United Kingdom and Ontario 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.

Which airlines flying from United Kingdom to Ontario have flexible cancellations due to COVID-19?

British Airways, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airport do you fly into for flights to Ontario from United Kingdom?

Located just 3.1 mi from the city centre, Ontario (ONT) is the airport most travelers will use when flying to Ontario from United Kingdom.

Can I find flights from United Kingdom to Ontario for under £362 on Cheapflights?

Yes, there are multiple flights from United Kingdom to Ontario for under £362. The cheapest flight booked recently is on KLM for just £355, but on average you can expect to pay £437.

Are there direct flights from United Kingdom to Ontario for under £362 on Cheapflights?

There are no direct flights from United Kingdom to Ontario, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from United Kingdom to Ontario for under £724?

There are currently 20+ open flights from United Kingdom to Ontario within the next 7 days for less than £724.

What days are direct flights available from United Kingdom to Ontario?

Direct flights can be found on the following days: Monday, Wednesday.

What are the most popular airlines that fly from United Kingdom to Ontario?

The most popular airlines flying from United Kingdom to Ontario are American Airlines, Finnair and British Airways. Something to consider prior to booking your flight.

What are the most popular routes from United Kingdom to Ontario?

While some choose either Manchester - Ontario or Belfast City - Ontario, London Heathrow - Ontario is the most popular route from United Kingdom to Ontario.

What are the cheapest flights from United Kingdom to Ontario?

On average you can expect to pay £792 for a flight from United Kingdom to Ontario. The cheapest flight overall is £312 while the most popular route, (London Heathrow - Ontario) is currently priced at £359.

How long does is the flight from United Kingdom to Ontario?

American Airlines, Virgin Atlantic, and Delta can get you from United Kingdom to Ontario in just under 14h 06m. Your travel time can differ by up to 1h 07m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from United Kingdom to Ontario return?

KLM, at £356, was found to be the cheapest airline from United Kingdom to Ontario.Alternate airlines flying return to your destination include Air France and Air Canada.

What are the cheapest airlines to fly from United Kingdom to Ontario one-way?

The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £399. However, be on the lookout for offers from Lufthansa and United Airlines, as they are both options that can get you from United Kingdom to Ontario for a low price.

Related searches

Flights to Ontario from United Kingdom
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Departure points for flights from United Kingdom to Ontario

Select to see more specific information for flights to Ontario from all departure points in United Kingdom.

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from United Kingdom to Ontario.
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Airports servicing Ontario

Top 5 airlines flying from United Kingdom to Ontario

The chart below displays the airlines Cheapflights users travelling from United Kingdom to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Finnair
£362 £563 No cancel fee 76%
Search Finnair flights
Virgin Atlantic
£386 £666 No cancel fee 72%
Search Virgin Atlantic flights
United Airlines
£375 £690 No cancel fee 69%
Search United Airlines flights
British Airways
£432 £783 No cancel fee 70%
Search British Airways flights
American Airlines
£518 £1,673 No cancel fee 71%
Search American Airlines flights
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