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Cheap flights from London Heathrow Airport to Ontario from $413

This is the cheapest one-way 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 6/6. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Los Angeles

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from London Heathrow Airport to Los Angeles.
Lufthansa Logo
2:50 pm - 8:53 pmLHR-ONT
14h 03m1 stop
Lufthansa Logo
4:15 pm - 12:20 pmONT-LHR
12h 05m1 stop
$538Lufthansa
Find Deal
Sat, May 10 - Mon, May 19
KLM Logo
11:20 am - 7:29 pmLHR-ONT
16h 09m1 stop
KLM Logo
1:00 pm - 9:50 amONT-LHR
12h 50m1 stop
$558KLM
Find Deal
Mon, Sep 1 - Tue, Sep 16
British Airways Logo
3:40 pm - 9:57 pmLHR-ONT
14h 17m1 stop
British Airways Logo
12:45 pm - 10:50 amONT-LHR
14h 05m1 stop
$559British Airways
Find Deal
Tue, May 6 - Tue, May 13
United Airlines Logo
2:50 pm - 8:53 pmLHR-ONT
14h 03m1 stop
United Airlines Logo
1:33 pm - 9:40 amONT-LHR
12h 07m1 stop
$561United Airlines
Find Deal
Fri, May 9 - Fri, May 23
United Airlines Logo
12:20 pm - 8:34 pmLHR-ONT
16h 14m1 stop
United Airlines Logo
1:20 pm - 9:40 amONT-LHR
12h 20m1 stop
$562United Airlines
Find Deal
Tue, May 6 - Sun, May 11
British Airways Logo
3:10 pm - 10:10 pmLHR-ONT
15h 00m1 stop
British Airways Logo
4:35 pm - 12:50 pmONT-LHR
12h 15m1 stop
$563British Airways
Find Deal
Sun, May 4 - Sun, May 11
Virgin Atlantic Logo
1:25 pm - 10:35 pmLHR-ONT
17h 10m1 stop
Virgin Atlantic Logo
1:10 pm - 9:50 amONT-LHR
12h 40m1 stop
$629Virgin Atlantic
Find Deal
Sat, May 10 - Mon, May 26
Virgin Atlantic Logo
1:25 pm - 10:35 pmLHR-ONT
17h 10m1 stop
Virgin Atlantic Logo
1:10 pm - 9:50 amONT-LHR
12h 40m1 stop
$630Virgin Atlantic
Find Deal
Sat, May 10 - Mon, May 26
 Logo
5:40 pm - 12:38 pmLHR-ONT
26h 58m2 stops
 Logo
5:05 am - 6:35 amONT-LHR
17h 30m2 stops
Tue, May 6 - Tue, May 13
 Logo
10:55 am - 4:17 pmLHR-ONT
13h 22m1 stop
 Logo
1:00 pm - 9:50 amONT-LHR
12h 50m1 stop
Tue, May 27 - Sat, Sep 6

United Airlines flights from London Heathrow Airport to Ontario

Our best United Airlines deals on London Heathrow Airport to Ontario flight tickets
United Airlines
May 9
LHR2:50 pmLondon Heathrow
14h 03m
1 stop
ONT8:53 pmOntario
May 23
ONT1:33 pmOntario
12h 07m
1 stop
LHR9:40 amLondon Heathrow
United Airlines
May 2
LHR1:40 pmLondon Heathrow
16h 20m
1 stop
ONT10:00 pmOntario
May 5
ONT1:20 pmOntario
12h 20m
1 stop
LHR9:40 amLondon Heathrow
United Airlines
May 9
LHR2:50 pmLondon Heathrow
14h 03m
1 stop
ONT8:53 pmOntario
May 23
ONT1:33 pmOntario
12h 07m
1 stop
LHR9:40 amLondon Heathrow

Air Canada flights from London Heathrow Airport to Ontario

Our best Air Canada deals on London Heathrow Airport to Ontario flight tickets
Air Canada
May 1
LHR9:30 amLondon Heathrow
37h 39m
2 stops
ONT3:09 pmOntario
May 14
ONT5:05 amOntario
22h 45m
2 stops
LHR11:50 amLondon Heathrow
Air Canada
Sep 11
LHR9:30 amLondon Heathrow
19h 03m
2 stops
ONT8:33 pmOntario
Sep 16
ONT5:10 amOntario
17h 20m
2 stops
LHR6:30 amLondon 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 cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from London Heathrow Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $589. If you aren’t able to travel during the month of February, then book flights to Ontario from London Heathrow Airport during April instead. Flights to Ontario in April, while not as cheap as those in February, still average around $655.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $602. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Ontario for around $991.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Ontario when you can find flight prices for as low as $602. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $814 on average. Flights to Ontario from London Heathrow Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $722 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 $518 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 round-trip 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

$413

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 $413. The best round-trip flight deal from London Heathrow Airport to Ontario found on momondo in the last 72 hours is $538.
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?

    London Heathrow and Ontario are 5408.1 mi apart from one another. 13h 17m is a normal flight duration for this route.

  • 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 updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Ontario Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Ontario Airport.

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

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Heathrow Airport to Ontario?


Best airlines flying from London Heathrow Airport to Ontario

Compare and see reviews for airlines that fly from London Heathrow Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $662Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ontario from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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