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Cheap flights from London Heathrow Airport to Los Angeles from $469

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 8:02 pmLHR  London Heathrow-ONT Ontario
19h 02m2 stops Zurich San Francisco
United Airlines Logo
7:00 am - 5:55 amONT  Ontario-LHR London Heathrow
14h 55m1 stop Chicago O'Hare Intl
$510United Airlines
Wed, Nov 25 - Sun, Dec 6
United Airlines Logo
9:00 am - 8:02 pmLHR  London Heathrow-ONT Ontario
19h 02m2 stops Zurich San Francisco
United Airlines Logo
4:03 pm - 7:25 amONT  Ontario-LHR London Heathrow
31h 22m1 stop San Francisco
$510United Airlines
Wed, Nov 25 - Sun, Dec 6
United Airlines Logo
9:00 am - 8:15 pmLHR  London Heathrow-ONT Ontario
19h 15m2 stops Zurich San Francisco
United Airlines Logo
1:40 pm - 9:40 amONT  Ontario-LHR London Heathrow
12h 00m1 stop Denver Intl
$511United Airlines
Sat, Nov 7 - Sat, Dec 5
United Airlines Logo
9:00 am - 8:15 pmLHR  London Heathrow-ONT Ontario
19h 15m2 stops Zurich San Francisco
United Airlines Logo
6:00 am - 7:40 amONT  Ontario-LHR London Heathrow
17h 40m1 stop Houston George Bush Intcntl
$511United Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
9:00 am - 8:15 pmLHR  London Heathrow-ONT Ontario
19h 15m2 stops Zurich San Francisco
United Airlines Logo
6:00 am - 7:25 amONT  Ontario-LHR London Heathrow
17h 25m1 stop San Francisco
$511United Airlines
Sat, Nov 7 - Mon, Nov 30
United Airlines Logo
9:00 am - 8:02 pmLHR  London Heathrow-ONT Ontario
19h 02m2 stops Zurich San Francisco
United Airlines Logo
5:00 am - 9:40 amONT  Ontario-LHR London Heathrow
20h 40m1 stop Denver Intl
$512United Airlines
Wed, Nov 25 - Sun, Dec 6
United Airlines Logo
6:55 am - 10:23 amLHR  London Heathrow-ONT Ontario
35h 28m2 stops Munich Franz Josef Strauss San Francisco
United Airlines Logo
6:59 am - 5:55 amONT  Ontario-LHR London Heathrow
15h 56m1 stop Chicago O'Hare Intl
$515United Airlines
Mon, Oct 19 - Sun, Oct 25
United Airlines Logo
6:55 am - 3:22 pmLHR  London Heathrow-ONT Ontario
40h 27m2 stops Munich Franz Josef Strauss San Francisco
United Airlines Logo
6:00 am - 11:15 amONT  Ontario-LHR London Heathrow
22h 15m1 stop San Francisco
$515United Airlines
Mon, Oct 19 - Sun, Oct 25
British Airways Logo
2:45 pm - 11:17 pmLHR  London Heathrow-ONT Ontario
16h 32m1 stop Dallas/Fort Worth
British Airways Logo
2:17 pm - 12:00 pmONT  Ontario-LHR London Heathrow
13h 43m1 stop Dallas/Fort Worth
$652British Airways
Tue, Jan 26 - Sat, Jan 30
British Airways Logo
11:55 am - 9:44 amLHR  London Heathrow-ONT Ontario
29h 49m1 stop Dallas/Fort Worth
British Airways Logo
12:41 pm - 12:00 pmONT  Ontario-LHR London Heathrow
15h 19m1 stop Dallas/Fort Worth
$737British Airways
Wed, Dec 23 - Thu, Dec 31

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United Airlines flights from London Heathrow Airport to Ontario

Our best United Airlines deals on London Heathrow Airport to Ontario flight tickets
United Airlines
Nov 25
LHR9:00 amLondon Heathrow
19h 02m
2 stops
ONT8:02 pmOntario
Dec 6
ONT4:03 pmOntario
31h 22m
1 stop
LHR7:25 amLondon Heathrow
$510
United Airlines
Nov 7
LHR9:00 amLondon Heathrow
19h 15m
2 stops
ONT8:15 pmOntario
Dec 5
ONT1:40 pmOntario
12h 00m
1 stop
LHR9:40 amLondon Heathrow
$511
United Airlines
Nov 25
LHR9:00 amLondon Heathrow
19h 02m
2 stops
ONT8:02 pmOntario
Dec 6
ONT5:00 amOntario
20h 40m
1 stop
LHR9:40 amLondon Heathrow
$512

Virgin Atlantic flights from London Heathrow Airport to Ontario

Our best Virgin Atlantic deals on London Heathrow Airport to Ontario flight tickets
Virgin Atlantic
Nov 4
LHR8:40 amLondon Heathrow
46h 03m
2 stops
ONT10:43 pmOntario
Dec 4
ONT1:11 pmOntario
57h 54m
2 stops
LHR7:05 amLondon Heathrow
$525
Virgin Atlantic
Nov 25
LHR12:20 pmLondon Heathrow
18h 40m
1 stop
ONT11:00 pmOntario
Dec 6
ONT7:05 amOntario
17h 55m
1 stop
LHR9:00 amLondon Heathrow
$540
Virgin Atlantic
Nov 25
LHR6:30 amLondon Heathrow
24h 30m
2 stops
ONT11:00 pmOntario
Dec 6
ONT12:20 pmOntario
35h 30m
1 stop
LHR7:50 amLondon Heathrow
$542

momondo Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Wed 11/25

9:00 am-8:02 pm

2 stops19h 02m

Ontario

Sun 12/6

7:00 am-5:55 am

1 stop14h 55m

$510

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Wed 11/25

9:00 am-8:02 pm

2 stops19h 02m

Ontario

Sun 12/6

4:03 pm-7:25 am

1 stop31h 22m

$510

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Sat 11/7

9:00 am-8:15 pm

2 stops19h 15m

Ontario

Sat 12/5

1:40 pm-9:40 am

1 stop12h 00m

$511

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Wed 11/4

9:00 am-8:15 pm

2 stops19h 15m

Ontario

Wed 11/11

6:00 am-7:40 am

1 stop17h 40m

$511

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Sat 11/7

9:00 am-8:15 pm

2 stops19h 15m

Ontario

Mon 11/30

6:00 am-7:25 am

1 stop17h 25m

$511

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Wed 11/25

9:00 am-8:02 pm

2 stops19h 02m

Ontario

Sun 12/6

5:00 am-9:40 am

1 stop20h 40m

$512

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Mon 10/19

6:55 am-10:23 am

2 stops35h 28m

Ontario

Sun 10/25

6:59 am-5:55 am

1 stop15h 56m

$515

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Mon 10/19

6:55 am-3:22 pm

2 stops40h 27m

Ontario

Sun 10/25

6:00 am-11:15 am

1 stop22h 15m

$515
Quickest round-trip

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Tue 1/26

2:45 pm-11:17 pm

1 stop16h 32m

Ontario

Sat 1/30

2:17 pm-12:00 pm

1 stop13h 43m

$652

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Wed 12/23

11:55 am-9:44 am

1 stop29h 49m

Ontario

Thu 12/31

12:41 pm-12:00 pm

1 stop15h 19m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $646 to $777.
The lowest price recently found on this route was $510.

What is the cheapest month to fly to Ontario?

In general, January 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 $553. If you aren’t able to travel during the month of January, then book flights to Ontario from London Heathrow Airport during February instead. Flights to Ontario in February, while not as cheap as those in January, still average around $567.

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

You could potentially save up to 5% 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

$469

Fastest flight time

13h 27m

Direct flights

None
The best one-way flight to Ontario from London Heathrow Airport in the past 72 hours is $469. The best round-trip flight deal from London Heathrow Airport to Ontario found on momondo in the last 72 hours is $510.
The fastest flight from London Heathrow Airport to Ontario takes 13h 27m
There are no direct flights from London Heathrow Airport to Ontario. There are no popular flight routes from London Heathrow Airport to Ontario.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Ontario

  • 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 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
British AirwaysPriceFrom $567Free CancellationRating
6.7
8,202 reviews
Search British Airways 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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