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Cheap flights from England to Los Angeles from $394

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from England to Los Angeles departing on 4/15. 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 England to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:05 pm - 8:58 pm
LHR
-
ONT
15h 53m1 stop
Delta Logo
11:53 am - 2:15 pm
ONT
-
LHR
18h 22m1 stop
$394Delta
Wed, Apr 15 - Mon, Apr 20
United Airlines Logo
11:35 am - 8:50 pm
LHR
-
ONT
17h 15m1 stop
United Airlines Logo
6:00 am - 7:30 am
ONT
-
LHR
17h 30m1 stop
$405United Airlines
Sat, Feb 21 - Sat, Feb 28
American Airlines Logo
2:25 pm - 11:40 pm
LHR
-
ONT
17h 15m1 stop
American Airlines Logo
6:43 am - 6:20 am
ONT
-
LHR
15h 37m1 stop
$411American Airlines
Sat, Apr 11 - Sun, Apr 26
American Airlines Logo
2:25 pm - 9:56 pm
LHR
-
ONT
15h 31m1 stop
American Airlines Logo
6:00 am - 8:05 am
ONT
-
LHR
18h 05m1 stop
$417American Airlines
Fri, Apr 10 - Fri, Apr 24
Virgin Atlantic Logo
10:45 am - 11:58 pm
LHR
-
ONT
21h 13m1 stop
Virgin Atlantic Logo
1:15 pm - 11:40 am
ONT
-
LHR
14h 25m1 stop
$484Virgin Atlantic
Thu, Feb 5 - Thu, Feb 12
Virgin Atlantic Logo
8:25 pm - 4:12 pm
LHR
-
ONT
27h 47m2 stops
Virgin Atlantic Logo
1:20 pm - 2:15 pm
ONT
-
LHR
16h 55m2 stops
$494Virgin Atlantic
Mon, Jan 12 - Tue, Mar 31
British Airways Logo
6:05 am - 6:42 pm
EDI
-
ONT
19h 37m2 stops
British Airways Logo
5:02 pm - 6:45 pm
ONT
-
EDI
18h 43m2 stops
$602British Airways
Tue, Mar 10 - Thu, Mar 19
British Airways Logo
6:30 am - 10:48 pm
NCL
-
ONT
24h 18m2 stops
British Airways Logo
4:45 pm - 4:00 pm
ONT
-
NCL
15h 15m2 stops
$628British Airways
Thu, Jan 15 - Mon, Jan 19
Iberia Logo
7:50 am - 10:48 pm
LCY
-
ONT
22h 58m2 stops
Iberia Logo
7:10 am - 8:50 am
ONT
-
LCY
17h 40m2 stops
$728Iberia
Thu, Feb 5 - Thu, Feb 12
Iberia Logo
7:40 pm - 10:08 am
LGW
-
ONT
22h 28m2 stops
Iberia Logo
10:58 am - 7:00 pm
ONT
-
LGW
24h 02m2 stops
$751Iberia
Mon, Jan 19 - Mon, Feb 9

British Airways flights from England to Ontario

Our best British Airways deals on England to Ontario flight tickets
British Airways
Jan 22
LHR8:20 amLondon Heathrow
22h 28m
1 stop
ONT10:48 pmOntario
Jan 26
ONT3:09 pmOntario
13h 06m
1 stop
LHR12:15 pmLondon Heathrow
$534
Find similar
British Airways
Jan 22
LHR8:20 amLondon Heathrow
18h 25m
1 stop
ONT6:45 pmOntario
Jan 26
ONT10:58 amOntario
15h 02m
1 stop
LHR10:00 amLondon Heathrow
$536
Find similar
British Airways
Feb 8
LHR7:30 amLondon Heathrow
23h 18m
2 stops
ONT10:48 pmOntario
Feb 21
ONT7:10 amOntario
17h 05m
1 stop
LHR8:15 amLondon Heathrow
$537
Find similar

Delta flights from England to Ontario

Our best Delta deals on England to Ontario flight tickets
Delta
Apr 15
LHR1:05 pmLondon Heathrow
15h 53m
1 stop
ONT8:58 pmOntario
Apr 23
ONT11:53 amOntario
18h 22m
1 stop
LHR2:15 pmLondon Heathrow
$394
Find similar
Delta
Feb 5
LHR8:40 amLondon Heathrow
20h 25m
2 stops
ONT9:05 pmOntario
Feb 12
ONT7:30 amOntario
19h 00m
1 stop
LHR10:30 amLondon Heathrow
$497
Find similar
Delta
Feb 21
LHR6:30 amLondon Heathrow
22h 35m
2 stops
ONT9:05 pmOntario
Feb 28
ONT10:20 pmOntario
26h 40m
1 stop
LHR9:00 amLondon Heathrow
$500
Find similar

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 December 23, 2025.
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

Wed 4/15

1:05 pm-8:58 pm

1 stop15h 53m

Ontario

Mon 4/20

11:53 am-2:15 pm

1 stop18h 22m

$394

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 2/21

11:35 am-8:50 pm

1 stop17h 15m

Ontario

Sat 2/28

6:00 am-7:30 am

1 stop17h 30m

$405

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 4/11

2:25 pm-11:40 pm

1 stop17h 15m

Ontario

Sun 4/26

6:43 am-6:20 am

1 stop15h 37m

$411

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 4/10

2:25 pm-9:56 pm

1 stop15h 31m

Ontario

Fri 4/24

6:00 am-8:05 am

1 stop18h 05m

$417

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 2/5

10:45 am-11:58 pm

1 stop21h 13m

Ontario

Thu 2/12

1:15 pm-11:40 am

1 stop14h 25m

$484

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 1/12

8:25 pm-4:12 pm

2 stops27h 47m

Ontario

Tue 3/31

1:20 pm-2:15 pm

2 stops16h 55m

$494

EdinburghOntario

EDI - ONT

EDIONT

Edinburgh Turnhouse

Tue 3/10

6:05 am-6:42 pm

2 stops19h 37m

Ontario

Thu 3/19

5:02 pm-6:45 pm

2 stops18h 43m

$602

Newcastle upon TyneOntario

NCL - ONT

NCLONT

Newcastle upon Tyne

Thu 1/15

6:30 am-10:48 pm

2 stops24h 18m

Ontario

Mon 1/19

4:45 pm-4:00 pm

2 stops15h 15m

$628

LondonOntario

LCY - ONT

LCYONT

London City

Thu 2/5

7:50 am-10:48 pm

2 stops22h 58m

Ontario

Thu 2/12

7:10 am-8:50 am

2 stops17h 40m

$728

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 1/19

7:40 pm-10:08 am

2 stops22h 28m

Ontario

Mon 2/9

10:58 am-7:00 pm

2 stops24h 02m

$751

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 $551. 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 $551.

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 England 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 England 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 England 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 England when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $720 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 29% 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 19m

Direct flights

None
The fastest flight from England to Ontario takes 13h 19m
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 $560Free CancellationRating
7.4
9,105 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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