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Cheap flights from London Heathrow Airport to Ontario from €505

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ontario departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Los Angeles

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Los Angeles.
08:20 - 16:07LHR-ONT
15h 47m1 stop
14:44 - 14:25ONT-LHR
15h 41m1 stop
€505British Airways
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Sat, 3 May - Sat, 10 May
08:20 - 21:58LHR-ONT
21h 38m1 stop
12:45 - 14:25ONT-LHR
17h 40m1 stop
€507British Airways
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Thu, 15 May - Thu, 22 May
06:30 - 19:28LHR-ONT
20h 58m2 stops
07:05 - 10:15ONT-LHR
19h 10m2 stops
€509Delta
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Sat, 3 May - Sat, 10 May
09:30 - 20:34LHR-ONT
19h 04m2 stops
13:36 - 10:25ONT-LHR
12h 49m1 stop
€549United Airlines
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Tue, 13 May - Fri, 23 May
13:40 - 21:56LHR-ONT
16h 16m1 stop
13:42 - 10:25ONT-LHR
12h 43m1 stop
€576
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Thu, 4 Sep - Fri, 19 Sep
08:30 - 20:53LHR-ONT
20h 23m2 stops
13:36 - 12:20ONT-LHR
14h 44m2 stops
€578United Airlines
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Thu, 15 May - Thu, 22 May
13:25 - 22:43LHR-ONT
17h 18m1 stop
13:20 - 09:50ONT-LHR
12h 30m1 stop
€579Delta
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Mon, 21 Apr - Tue, 29 Apr
10:55 - 16:33LHR-ONT
13h 38m1 stop
13:20 - 09:50ONT-LHR
12h 30m1 stop
€664KLM
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Tue, 22 Apr - Wed, 30 Apr
10:55 - 16:17LHR-ONT
13h 22m1 stop
13:15 - 09:50ONT-LHR
12h 35m1 stop
€738KLM
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Tue, 13 May - Mon, 9 Jun
09:50 - 15:50LHR-ONT
14h 00m1 stop
23:45 - 21:40ONT-LHR
13h 55m1 stop
€895
Find Deal
Thu, 15 May - Wed, 18 Jun

British Airways flights from London Heathrow Airport to Ontario

Our best British Airways deals on London Heathrow Airport to Ontario flight tickets
British Airways
3 May
LHR08:20London Heathrow
15h 47m
1 stop
ONT16:07Ontario
10 May
ONT14:44Ontario
15h 41m
1 stop
LHR14:25London Heathrow
British Airways
15 May
LHR08:20London Heathrow
21h 38m
1 stop
ONT21:58Ontario
22 May
ONT12:45Ontario
17h 40m
1 stop
LHR14:25London Heathrow
British Airways
2 May
LHR15:10London Heathrow
15h 00m
1 stop
ONT22:10Ontario
11 May
ONT16:35Ontario
14h 05m
1 stop
LHR14:40London Heathrow

Delta flights from London Heathrow Airport to Ontario

Our best Delta deals on London Heathrow Airport to Ontario flight tickets
Delta
3 May
LHR06:30London Heathrow
20h 58m
2 stops
ONT19:28Ontario
10 May
ONT07:05Ontario
19h 10m
2 stops
LHR10:15London Heathrow
Delta
21 Apr
LHR13:25London Heathrow
17h 18m
1 stop
ONT22:43Ontario
29 Apr
ONT13:20Ontario
12h 30m
1 stop
LHR09:50London Heathrow
Delta
24 May
LHR10:55London Heathrow
13h 22m
1 stop
ONT16:17Ontario
30 May
ONT13:10Ontario
12h 40m
1 stop
LHR09:50London Heathrow

See travel insights to Los Angeles from

How to get the cheapest flight ticket from London Heathrow Airport 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 typical price of a round-trip flight between London Heathrow Airport and Ontario?

What is the cheapest month to fly to Ontario?

If you don’t want to visit Ontario in February, then you should wait until April to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of €605.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from London Heathrow Airport when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around €667 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from London Heathrow Airport for as low as €479 on momondo.

When to book flights from London Heathrow Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Ontario (LHR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Ontario

Best price found

€703

Fastest flight time

13h 17m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from London Heathrow Airport in the past 72 hours is €703. The best return flight deal from London Heathrow Airport to Ontario found on momondo in the last 72 hours is €505.
The fastest flight from London Heathrow Airport to Ontario takes 13h 17m
There are no direct flights from London Heathrow Airport to Ontario. Popular non-direct route for this connection is London Heathrow Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is London Heathrow to Ontario by plane?

    There are 8703.4 km between London Heathrow and Ontario. Flights usually cover this in 13h 17m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Ontario Airport?

    Prices for flights from London Heathrow Airport to Ontario Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Heathrow Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from London to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ontario for you.

Can I find flights from London to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Ontario?

momondo helps you find the best flight between London and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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