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Cheap flights from London Heathrow Airport to Ontario from $445

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 1/26. 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 round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Los Angeles.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to Los Angeles

Find recent round-trip train or bus tickets from London Heathrow Airport to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
9:30 am - 9:57 pmLHR-ONT
20h 27m2 stops
10:47 am - 9:20 amONT-LHR
38h 33m2 stops
Tue, Jan 21 - Mon, Jan 27
1:10 pm - 6:37 pmLHR-ONT
37h 27m2 stops
10:56 am - 9:40 amONT-LHR
14h 44m1 stop
$601British Airways
Find Deal
Tue, Jan 14 - Tue, Jan 21
7:30 am - 9:57 pmLHR-ONT
22h 27m2 stops
6:15 am - 7:25 amONT-LHR
17h 10m1 stop
$603United Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
6:35 am - 6:04 pmLHR-ONT
19h 29m2 stops
5:10 am - 6:40 amONT-LHR
17h 30m2 stops
$604United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
9:25 am - 9:56 amLHR-ONT
32h 31m1 stop
12:48 pm - 1:20 pmONT-LHR
16h 32m1 stop
$612Iberia
Find Deal
Tue, Jan 21 - Mon, Jan 27
10:45 am - 11:53 pmLHR-ONT
21h 08m1 stop
1:21 pm - 10:00 amONT-LHR
12h 39m1 stop
$616Virgin Atlantic
Find Deal
Tue, Jan 14 - Tue, Jan 21
10:50 am - 10:52 pmLHR-ONT
20h 02m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$618KLM
Find Deal
Mon, Jan 20 - Mon, Feb 3
10:45 am - 4:28 pmLHR-ONT
13h 43m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$620KLM
Find Deal
Wed, Jan 22 - Mon, Feb 10
7:00 am - 10:17 pmLHR-ONT
22h 17m2 stops
3:08 pm - 2:25 pmONT-LHR
15h 17m1 stop
$627Iberia
Find Deal
Tue, Mar 18 - Wed, Apr 2
10:45 am - 11:53 pmLHR-ONT
21h 08m1 stop
6:00 am - 10:00 amONT-LHR
20h 00m1 stop
$657Virgin Atlantic
Find Deal
Thu, Jan 23 - Tue, Feb 11
2:50 pm - 7:11 amLHR-ONT
24h 21m2 stops
Sun, Jan 26
2:50 pm - 7:12 pmLHR-ONT
36h 22m2 stops
Wed, Feb 5
12:50 pm - 9:57 pmLHR-ONT
17h 07m1 stop
$642Lufthansa
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Wed, Feb 12
9:20 am - 9:57 pmLHR-ONT
20h 37m1 stop
$646Lufthansa
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Wed, Feb 5
1:50 pm - 10:16 pmLHR-ONT
16h 26m1 stop
$661Iberia
Find Deal
Thu, Jan 16
9:25 am - 6:37 pmLHR-ONT
17h 12m1 stop
$699Finnair
Find Deal
Mon, Jan 20
7:40 pm - 10:45 pmLHR-ONT
35h 05m2 stops
$733Iberia
Find Deal
Fri, Jan 17
1:50 pm - 10:16 pmLHR-ONT
16h 26m1 stop
$750British Airways
Find Deal
Sun, Jan 26
11:00 am - 5:47 pmLHR-ONT
14h 47m1 stop
$811Finnair
Find Deal
Wed, May 7
9:25 am - 6:35 pmLHR-ONT
17h 10m1 stop
$1,489British Airways
Find Deal
Wed, Feb 19
4:20 pm - 1:58 pmLHR-ONT
53h 38m2 stops
12:36 pm - 9:40 amONT-LHR
13h 04m1 stop
$1,272British Airways
Find Deal
Mon, Dec 23 - Mon, Dec 30
4:20 pm - 1:58 pmLHR-ONT
53h 38m2 stops
4:25 pm - 1:20 pmONT-LHR
12h 55m1 stop
$1,275British Airways
Find Deal
Mon, Dec 23 - Mon, Dec 30
10:05 am - 5:53 pmLHR-ONT
15h 48m1 stop
1:57 pm - 12:00 pmONT-LHR
14h 03m1 stop
$1,535United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
10:05 am - 5:53 pmLHR-ONT
15h 48m1 stop
1:57 pm - 12:00 pmONT-LHR
14h 03m1 stop
$1,540United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
3:50 pm - 10:42 pmLHR-ONT
14h 52m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$1,556KLM
Find Deal
Sun, Dec 22 - Sun, Jan 12
2:30 pm - 9:36 pmLHR-ONT
15h 06m1 stop
4:25 pm - 1:20 pmONT-LHR
12h 55m1 stop
$1,565British Airways
Find Deal
Mon, Dec 23 - Tue, Jan 7
10:45 am - 12:29 amLHR-ONT
21h 44m1 stop
1:15 pm - 10:00 amONT-LHR
12h 45m1 stop
$1,591Virgin Atlantic
Find Deal
Thu, Dec 19 - Sat, Dec 28
2:30 pm - 11:41 pmLHR-ONT
17h 11m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$1,598KLM
Find Deal
Mon, Dec 23 - Sat, Jan 11
8:20 am - 10:28 pmLHR-ONT
22h 08m1 stop
11:59 pm - 12:05 pmONT-LHR
28h 06m1 stop
$1,618
Find Deal
Mon, Dec 23 - Mon, Dec 30
4:00 pm - 7:09 amLHR-ONT
23h 09m1 stop
9:00 am - 2:40 pmONT-LHR
21h 40m1 stop
$1,925
Find Deal
Thu, Dec 19 - Sun, Dec 22

Iberia flights from London Heathrow Airport to Ontario

Our best Iberia deals on London Heathrow Airport to Ontario flight tickets
Iberia
Jan 21
LHR9:25 amLondon Heathrow
32h 31m
1 stop
ONT9:56 amOntario
Jan 27
ONT12:48 pmOntario
16h 32m
1 stop
LHR1:20 pmLondon Heathrow
Iberia
Mar 18
LHR7:00 amLondon Heathrow
22h 17m
2 stops
ONT10:17 pmOntario
Apr 2
ONT3:08 pmOntario
15h 17m
1 stop
LHR2:25 pmLondon Heathrow
Iberia
Jan 23
LHR1:50 pmLondon Heathrow
16h 26m
1 stop
ONT10:16 pmOntario
Feb 20
ONT2:54 pmOntario
13h 10m
1 stop
LHR12:04 pmLondon Heathrow

KLM flights from London Heathrow Airport to Ontario

Our best KLM deals on London Heathrow Airport to Ontario flight tickets
KLM
Jan 20
LHR10:50 amLondon Heathrow
20h 02m
1 stop
ONT10:52 pmOntario
Feb 3
ONT1:00 pmOntario
13h 35m
1 stop
LHR10:35 amLondon Heathrow
KLM
Jan 22
LHR10:45 amLondon Heathrow
13h 43m
1 stop
ONT4:28 pmOntario
Feb 10
ONT1:00 pmOntario
13h 35m
1 stop
LHR10:35 amLondon Heathrow
KLM
Jan 20
LHR10:50 amLondon Heathrow
20h 02m
1 stop
ONT10:52 pmOntario
Jan 28
ONT1:00 pmOntario
13h 35m
1 stop
LHR10:35 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, April 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 $590. If you aren’t able to travel during the month of April, then book flights to Ontario from London Heathrow Airport during February instead. Flights to Ontario in February, while not as cheap as those in April, still average around $595.

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?

Most flyers found that booking tickets 31 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $743. However, in the past 72 hours, people saw flights from London Heathrow Airport for as low as $508.

Can stopping save me money on London Heathrow Airport to Ontario flights?

You could potentially save up to 30% on your flight if you consider stops on a London Heathrow Airport to Ontario flight.

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

$445

Fastest flight time

13h 27m

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 $445. The best round-trip flight deal from London Heathrow Airport to Ontario found on momondo in the last 72 hours is $598.
The fastest flight from London Heathrow Airport to Ontario takes 13h 27m
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 27m 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 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.


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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