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Cheap flights from England to Los Angeles from $298

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 9/3. 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

Virgin Atlantic Logo
5:05 pm - 10:38 pmLHR-ONT
37h 33m2 stops
Virgin Atlantic Logo
6:45 am - 10:30 amONT-LHR
19h 45m1 stop
$542Virgin Atlantic
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Sun, Feb 1 - Sun, Feb 8
Virgin Atlantic Logo
7:15 pm - 10:40 pmLHR-ONT
35h 25m2 stops
Virgin Atlantic Logo
11:50 am - 2:15 pmONT-LHR
18h 25m1 stop
$543Virgin Atlantic
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Mon, Sep 1 - Sun, Sep 28
British Airways Logo
11:15 am - 6:17 pmLHR-ONT
15h 02m1 stop
British Airways Logo
4:45 pm - 2:40 pmONT-LHR
13h 55m1 stop
$553British Airways
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Mon, Sep 1 - Sun, Sep 28
British Airways Logo
8:20 am - 6:54 pmLHR-ONT
18h 34m1 stop
British Airways Logo
2:51 pm - 2:25 pmONT-LHR
15h 34m1 stop
$554British Airways
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Tue, Sep 30 - Tue, Oct 7
British Airways Logo
7:35 am - 10:29 pmLHR-ONT
22h 54m2 stops
British Airways Logo
4:47 pm - 1:15 pmONT-LHR
12h 28m1 stop
$557British Airways
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Wed, Nov 19 - Sun, Nov 30
American Airlines Logo
3:05 pm - 11:55 amLGW-ONT
28h 50m2 stops
American Airlines Logo
6:10 am - 8:10 amONT-LGW
18h 00m2 stops
$575American Airlines
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Thu, Sep 11 - Wed, Sep 24
Delta Logo
9:55 am - 10:23 pmLHR-ONT
20h 28m2 stops
Delta Logo
7:05 am - 9:15 amONT-LHR
18h 10m2 stops
$582Delta
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Wed, Oct 1 - Wed, Oct 8
Air France Logo
10:45 am - 4:14 pmLHR-ONT
13h 29m1 stop
Air France Logo
12:00 pm - 9:00 amONT-LHR
13h 00m1 stop
$583Air France
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Wed, Nov 26 - Sun, Dec 7
American Airlines Logo
2:55 pm - 10:03 pmLHR-ONT
15h 08m1 stop
American Airlines Logo
10:57 am - 6:50 amONT-LHR
12h 53m1 stop
$585American Airlines
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Sun, Jan 4 - Tue, Mar 17
Delta Logo
9:20 am - 7:11 pmLHR-ONT
17h 51m1 stop
Delta Logo
11:55 am - 1:30 pmONT-LHR
17h 35m1 stop
$605Delta
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Mon, Sep 1 - Sun, Sep 14

KLM flights from England to Ontario

Our best KLM deals on England to Ontario flight tickets
KLM
Sep 5
LHR11:20 amLondon Heathrow
15h 51m
1 stop
ONT7:11 pmOntario
Sep 8
ONT1:15 pmOntario
12h 35m
1 stop
LHR9:50 amLondon Heathrow
$623
Find similar
KLM
Sep 16
MAN12:35 pmManchester
17h 48m
1 stop
ONT10:23 pmOntario
Sep 23
ONT1:15 pmOntario
19h 30m
2 stops
MAN4:45 pmManchester
$744
Find similar
KLM
Aug 25
LHR1:25 pmLondon Heathrow
17h 17m
1 stop
ONT10:42 pmOntario
Sep 1
ONT1:15 pmOntario
12h 35m
1 stop
LHR9:50 amLondon Heathrow
$858
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United Airlines flights from England to Ontario

Our best United Airlines deals on England to Ontario flight tickets
United Airlines
Sep 1
LHR8:30 amLondon Heathrow
20h 03m
2 stops
ONT8:33 pmOntario
Sep 28
ONT8:16 pmOntario
26h 04m
2 stops
LHR6:20 amLondon Heathrow
$673
Find similar
United Airlines
Oct 29
EDI8:25 amEdinburgh Turnhouse
21h 26m
2 stops
ONT10:51 pmOntario
Nov 4
ONT7:00 amOntario
16h 55m
2 stops
EDI7:55 amEdinburgh Turnhouse
$772
Find similar
United Airlines
Oct 1
MAN6:05 amManchester
23h 19m
2 stops
ONT9:24 pmOntario
Oct 8
ONT7:02 amOntario
26h 18m
2 stops
MAN5:20 pmManchester
$801
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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 August 18, 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

Sun 2/1

5:05 pm-10:38 pm

2 stops37h 33m

Ontario

Sun 2/8

6:45 am-10:30 am

1 stop19h 45m

$542

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/1

7:15 pm-10:40 pm

2 stops35h 25m

Ontario

Sun 9/28

11:50 am-2:15 pm

1 stop18h 25m

$543

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/1

11:15 am-6:17 pm

1 stop15h 02m

Ontario

Sun 9/28

4:45 pm-2:40 pm

1 stop13h 55m

$553

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 9/30

8:20 am-6:54 pm

1 stop18h 34m

Ontario

Tue 10/7

2:51 pm-2:25 pm

1 stop15h 34m

$554

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 11/19

7:35 am-10:29 pm

2 stops22h 54m

Ontario

Sun 11/30

4:47 pm-1:15 pm

1 stop12h 28m

$557

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 9/11

3:05 pm-11:55 am

2 stops28h 50m

Ontario

Wed 9/24

6:10 am-8:10 am

2 stops18h 00m

$575

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 10/1

9:55 am-10:23 pm

2 stops20h 28m

Ontario

Wed 10/8

7:05 am-9:15 am

2 stops18h 10m

$582

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 11/26

10:45 am-4:14 pm

1 stop13h 29m

Ontario

Sun 12/7

12:00 pm-9:00 am

1 stop13h 00m

$583

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 1/4

2:55 pm-10:03 pm

1 stop15h 08m

Ontario

Tue 3/17

10:57 am-6:50 am

1 stop12h 53m

$585

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/1

9:20 am-7:11 pm

1 stop17h 51m

Ontario

Sun 9/14

11:55 am-1:30 pm

1 stop17h 35m

$605

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 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, February 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 February, then book flights to Ontario from England during January instead. Flights to Ontario in January, while not as cheap as those in February, still average around $559.

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 $727 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 $575 on momondo.

Can stopping save me money on England to Ontario flights?

You could potentially save up to 58% 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

Best Price Found

$298

Fastest flight time

13h 29m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from England in the past 72 hours is $298. The best round-trip flight deal from England to Ontario found on momondo in the last 72 hours is $542.
The fastest flight from England to Ontario takes 13h 29m
There are no direct flights from England to Ontario. Popular non-direct routes for this connection are London City Airport - Ontario Airport, London Heathrow Airport - Ontario Airport and London Gatwick Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)
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  • 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
8,925 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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