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Cheap flights from England to Los Angeles from $439

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from England to Los Angeles departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from England to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
12:20 pm - 10:37 pm
LHR
-
ONT
18h 17m
1 stop
Virgin Atlantic Logo
12:57 pm - 11:40 am
ONT
-
LHR
15h 43m
1 stop
$489Virgin Atlantic
Fri, Feb 27 - Sun, Mar 15
United Airlines Logo
8:30 am - 10:57 pm
LHR
-
ONT
22h 27m
2 stops
United Airlines Logo
11:59 pm - 5:55 am
ONT
-
LHR
22h 56m
1 stop
$495United Airlines
Fri, Feb 27 - Sun, Mar 15
Delta Logo
11:40 am - 10:34 pm
LHR
-
ONT
18h 54m
1 stop
Delta Logo
1:20 pm - 10:00 am
ONT
-
LHR
12h 40m
1 stop
$521Delta
Tue, Mar 31 - Mon, Apr 6
Delta Logo
10:45 am - 9:44 pm
LHR
-
ONT
18h 59m
1 stop
Delta Logo
7:30 am - 10:30 am
ONT
-
LHR
19h 00m
1 stop
$524Delta
Sun, Feb 15 - Thu, Mar 5
Multiple Airlines Logo
6:20 am - 4:02 pm
LHR
-
ONT
17h 42m
2 stops
Multiple Airlines Logo
7:30 am - 10:30 am
ONT
-
LHR
19h 00m
1 stop
$533Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Iberia Logo
7:50 am - 10:29 pm
LCY
-
ONT
22h 39m
2 stops
Iberia Logo
7:00 am - 8:50 am
ONT
-
LCY
17h 50m
2 stops
$655Iberia
Fri, Feb 20 - Sun, Mar 1
Iberia Logo
7:15 pm - 10:06 am
LCY
-
ONT
22h 51m
2 stops
Iberia Logo
10:56 am - 2:35 pm
ONT
-
LCY
20h 39m
2 stops
$725Iberia
Mon, Mar 2 - Mon, Mar 23
British Airways Logo
11:00 am - 11:46 pm
LCY
-
ONT
20h 46m
2 stops
British Airways Logo
10:59 am - 8:35 am
ONT
-
LCY
37h 36m
2 stops
$786British Airways
Wed, Apr 8 - Thu, Apr 30
Multiple Airlines Logo
8:45 pm - 9:00 pm
MAN
-
ONT
31h 15m
2 stops
Multiple Airlines Logo
12:50 pm - 4:05 pm
ONT
-
MAN
20h 15m
2 stops
$810Multiple Airlines
Sun, Mar 8 - Tue, Mar 17
British Airways Logo
11:30 am - 11:46 pm
LGW
-
ONT
20h 16m
2 stops
British Airways Logo
10:59 am - 8:00 pm
ONT
-
LGW
25h 01m
2 stops
$836British Airways
Wed, Apr 8 - Thu, Apr 30

Delta flights from England to Ontario

Our best Delta deals on England to Ontario flight tickets
Delta
Mar 31
LHR11:40 amLondon Heathrow
18h 54m
1 stop
ONT10:34 pmOntario
Apr 6
ONT1:20 pmOntario
12h 40m
1 stop
LHR10:00 amLondon Heathrow
$521
Delta
Feb 15
LHR10:45 amLondon Heathrow
18h 59m
1 stop
ONT9:44 pmOntario
Mar 5
ONT7:30 amOntario
19h 00m
1 stop
LHR10:30 amLondon Heathrow
$524
Delta
Apr 27
LHR6:30 amLondon Heathrow
18h 45m
2 stops
ONT5:15 pmOntario
May 9
ONT1:35 pmOntario
18h 00m
1 stop
LHR3:35 pmLondon Heathrow
$595

British Airways flights from England to Ontario

Our best British Airways deals on England to Ontario flight tickets
British Airways
Feb 19
LHR4:30 pmLondon Heathrow
15h 29m
1 stop
ONT11:59 pmOntario
Feb 24
ONT2:39 pmOntario
13h 01m
1 stop
LHR11:40 amLondon Heathrow
$541
British Airways
Feb 26
LHR4:30 pmLondon Heathrow
15h 29m
1 stop
ONT11:59 pmOntario
Mar 3
ONT2:39 pmOntario
13h 01m
1 stop
LHR11:40 amLondon Heathrow
$566
British Airways
Jul 7
LHR12:55 pmLondon Heathrow
14h 57m
1 stop
ONT7:52 pmOntario
Jul 13
ONT1:10 pmOntario
13h 55m
1 stop
LHR11:05 amLondon Heathrow
$579

momondo Fare Finder

 
Customize your flight search to find flights from England to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from England to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 2/27

12:20 pm-10:37 pm

1 stop18h 17m

Ontario

Sun 3/15

12:57 pm-11:40 am

1 stop15h 43m

$489

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 2/27

8:30 am-10:57 pm

2 stops22h 27m

Ontario

Sun 3/15

11:59 pm-5:55 am

1 stop22h 56m

$495

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 3/31

11:40 am-10:34 pm

1 stop18h 54m

Ontario

Mon 4/6

1:20 pm-10:00 am

1 stop12h 40m

$521

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 2/15

10:45 am-9:44 pm

1 stop18h 59m

Ontario

Thu 3/5

7:30 am-10:30 am

1 stop19h 00m

$524

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 2/24

6:20 am-4:02 pm

2 stops17h 42m

Ontario

Tue 3/3

7:30 am-10:30 am

1 stop19h 00m

$533

LondonOntario

LCY - ONT

LCYONT

London City

Fri 2/20

7:50 am-10:29 pm

2 stops22h 39m

Ontario

Sun 3/1

7:00 am-8:50 am

2 stops17h 50m

$655

LondonOntario

LCY - ONT

LCYONT

London City

Mon 3/2

7:15 pm-10:06 am

2 stops22h 51m

Ontario

Mon 3/23

10:56 am-2:35 pm

2 stops20h 39m

$725

LondonOntario

LCY - ONT

LCYONT

London City

Wed 4/8

11:00 am-11:46 pm

2 stops20h 46m

Ontario

Thu 4/30

10:59 am-8:35 am

2 stops37h 36m

$786

ManchesterOntario

MAN - ONT

MANONT

Manchester

Sun 3/8

8:45 pm-9:00 pm

2 stops31h 15m

Ontario

Tue 3/17

12:50 pm-4:05 pm

2 stops20h 15m

$810

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 4/8

11:30 am-11:46 pm

2 stops20h 16m

Ontario

Thu 4/30

10:59 am-8:00 pm

2 stops25h 01m

$836

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from England 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, January is the cheapest month to fly from England to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $546. If you aren’t able to travel during the month of January, then book flights to Ontario from England during September instead. Flights to Ontario in September, while not as cheap as those in January, still average around $547.

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

You are more likely to see cheaper flights to Ontario from England when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $671 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from England for as low as $527 on momondo.

Can stopping save me money on England to Ontario flights?

You could potentially save up to 3% on your flight if you consider stops on a England to Ontario flight.

Cheap England to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from England to Ontario

Fastest flight time

13h 24m

Direct flights

None
The fastest flight from England to Ontario takes 13h 24m
There are no direct flights from England to Ontario. There are no popular flight routes from England to Ontario.
Search flight deals

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

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

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

  • How old do you have to be to fly from England 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 England to Ontario Airport.

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

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from England to Ontario

Compare and see reviews for airlines that fly from England to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $497Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from England to Ontario. momondo saves you time and could save you money on your trip.

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

All flight searches from England to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from England.

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

Yes. momondo can track prices for England to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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