What is the cheapest airline that flies from England to Ontario?

Alaska Airlines, United Airlines, and British Airways are the most popular carriers operating from England to Ontario

Which airlines fly to Ontario?

British Airways, Virgin Atlantic and Aer Lingus are the top three most popular airlines that fly to Ontario from England according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 20 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

On average, it takes 13h 41m to fly from England to Ontario if you fly out of London (the most popular airport in England) and into Los Angeles (the most popular airport in Ontario). If you’re flying out of Birmingham and into Los Angeles, then the flight time is around 13h 45m.

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

Prices for flights from England to Ontario Airport refresh daily.

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

The number of operators available for flights from England to Ontario Airport is 4 as of November 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from England to Ontario Airport.

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

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£356 Cheap Flights from England to Ontario in 2026/27

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Find the cheapest flights from England to Los Angeles

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:45 - 22:59LHR London Heathrow-ONT Ontario

16h 14m1 stop Seattle/Tacoma Intl

06:00 - 12:20ONT Ontario-LHR London Heathrow

22h 20m1 stop Seattle/Tacoma Intl

£417Alaska Airlines

Thu, 10 Dec - Thu, 24 Dec

14:45 - 11:13LHR London Heathrow-ONT Ontario

28h 28m1 stop Seattle/Tacoma Intl

11:57 - 12:20ONT Ontario-LHR London Heathrow

16h 23m1 stop Seattle/Tacoma Intl

£417Alaska Airlines

Wed, 2 Dec - Tue, 8 Dec

13:35 - 22:31LHR London Heathrow-ONT Ontario

16h 56m1 stop Chicago O'Hare Intl

09:45 - 11:15ONT Ontario-LHR London Heathrow

17h 30m1 stop San Francisco

£475United Airlines

Thu, 24 Dec - Sat, 23 Jan

12:05 - 22:11LHR London Heathrow-ONT Ontario

18h 06m1 stop Houston George Bush Intcntl

07:00 - 05:55ONT Ontario-LHR London Heathrow

14h 55m1 stop Chicago O'Hare Intl

£475United Airlines

Fri, 25 Dec - Mon, 18 Jan

15:45 - 22:24LHR London Heathrow-ONT Ontario

38h 39m2 stops Amsterdam Schiphol Salt Lake City

07:05 - 06:25ONT Ontario-LHR London Heathrow

15h 20m1 stop Atlanta Hartsfield-Jackson

£516Virgin Atlantic

Fri, 12 Feb - Fri, 26 Feb

15:45 - 22:24LHR London Heathrow-ONT Ontario

38h 39m2 stops Amsterdam Schiphol Salt Lake City

11:55 - 05:45ONT Ontario-LHR London Heathrow

34h 50m2 stops Seattle/Tacoma Intl Boston Logan Intl

£521Virgin Atlantic

Fri, 5 Mar - Fri, 26 Mar

06:30 - 17:17LHR London Heathrow-ONT Ontario

18h 47m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

11:55 - 15:35ONT Ontario-LHR London Heathrow

19h 40m1 stop Seattle/Tacoma Intl

£530Delta

Wed, 12 May - Sun, 23 May

10:55 - 16:12LHR London Heathrow-ONT Ontario

13h 17m1 stop Salt Lake City

13:00 - 10:00ONT Ontario-LHR London Heathrow

13h 00m1 stop Salt Lake City

£535KLM

Thu, 8 Apr - Tue, 13 Apr

13:50 - 23:59LHR London Heathrow-ONT Ontario

18h 09m1 stop Dallas/Fort Worth

12:51 - 10:25ONT Ontario-LHR London Heathrow

13h 34m1 stop Dallas/Fort Worth

£627British Airways

Thu, 24 Dec - Thu, 31 Dec

11:45 - 22:07LHR London Heathrow-ONT Ontario

18h 22m1 stop Charlotte Douglas

07:00 - 06:50ONT Ontario-LHR London Heathrow

15h 50m1 stop Dallas/Fort Worth

£631British Airways

Tue, 15 Dec - Wed, 23 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

14:45 - 11:18LHR London Heathrow-ONT Ontario

28h 33m1 stop Seattle/Tacoma Intl

06:00 - 12:20ONT Ontario-LHR London Heathrow

22h 20m1 stop Seattle/Tacoma Intl

£424Alaska Airlines

Mon, 16 Nov - Wed, 2 Dec

14:45 - 11:13LHR London Heathrow-ONT Ontario

28h 28m1 stop Seattle/Tacoma Intl

20:59 - 12:20ONT Ontario-LHR London Heathrow

31h 21m1 stop Seattle/Tacoma Intl

£429Alaska Airlines

Wed, 18 Nov - Mon, 23 Nov

09:50 - 23:51LGW London Gatwick-ONT Ontario

22h 01m2 stops Orlando Denver Intl

11:40 - 06:50ONT Ontario-LGW London Gatwick

35h 10m2 stops Denver Intl Orlando

£681Multiple Airlines

Wed, 18 Nov - Wed, 25 Nov

14:30 - 12:29LHR London Heathrow-ONT Ontario

29h 59m2 stops Vancouver Intl San Francisco

18:37 - 11:50ONT Ontario-LHR London Heathrow

33h 13m2 stops San Francisco Vancouver Intl

£698Air Canada

Wed, 18 Nov - Mon, 23 Nov

10:25 - 20:51LHR London Heathrow-ONT Ontario

18h 26m2 stops Chicago O'Hare Intl Denver Intl

13:40 - 09:40ONT Ontario-LHR London Heathrow

12h 00m1 stop Denver Intl

£733United Airlines

Mon, 16 Nov - Wed, 2 Dec

11:45 - 23:00LHR London Heathrow-ONT Ontario

43h 15m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

07:05 - 06:25ONT Ontario-LHR London Heathrow

15h 20m1 stop Atlanta Hartsfield-Jackson

£738Virgin Atlantic

Tue, 17 Nov - Thu, 26 Nov

06:30 - 23:00LHR London Heathrow-ONT Ontario

24h 30m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

13:11 - 10:00ONT Ontario-LHR London Heathrow

12h 49m1 stop Salt Lake City

£742Virgin Atlantic

Tue, 17 Nov - Sat, 12 Dec

13:45 - 20:15LHR London Heathrow-ONT Ontario

14h 30m1 stop San Francisco

13:29 - 09:40ONT Ontario-LHR London Heathrow

12h 11m1 stop Denver Intl

£746United Airlines

Wed, 18 Nov - Mon, 23 Nov

13:50 - 23:46LHR London Heathrow-ONT Ontario

17h 56m1 stop Dallas/Fort Worth

10:34 - 10:25ONT Ontario-LHR London Heathrow

15h 51m1 stop Dallas/Fort Worth

£765British Airways

Sun, 15 Nov - Thu, 31 Dec

14:35 - 21:55LHR London Heathrow-ONT Ontario

15h 20m1 stop Phoenix Sky Harbor Intl

12:45 - 10:25ONT Ontario-LHR London Heathrow

13h 40m1 stop Dallas/Fort Worth

£794British Airways

Wed, 18 Nov - Tue, 1 Dec

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Alaska Airlines flights from England to Ontario

Our best Alaska Airlines deals on England to Ontario flight tickets

Alaska Airlines

2 Dec

LHR14:45London Heathrow

28h 28m

1 stop

ONT11:13Ontario

8 Dec

ONT11:57Ontario

16h 23m

1 stop

LHR12:20London Heathrow

£417

Alaska Airlines

22 Nov

LHR14:45London Heathrow

16h 46m

1 stop

ONT23:31Ontario

8 Dec

ONT11:57Ontario

16h 23m

1 stop

LHR12:20London Heathrow

£418

Alaska Airlines

10 Dec

LHR14:45London Heathrow

16h 14m

1 stop

ONT22:59Ontario

23 Dec

ONT20:59Ontario

31h 21m

1 stop

LHR12:20London Heathrow

£419

United Airlines flights from England to Ontario

Our best United Airlines deals on England to Ontario flight tickets

United Airlines

24 Dec

LHR10:05London Heathrow

15h 41m

1 stop

ONT17:46Ontario

22 Jan

ONT06:00Ontario

17h 25m

1 stop

LHR07:25London Heathrow

£475

United Airlines

23 Dec

LHR13:45London Heathrow

17h 08m

1 stop

ONT22:53Ontario

7 Jan

ONT07:00Ontario

16h 55m

1 stop

LHR07:55London Heathrow

£501

United Airlines

5 Feb

BHX08:25Birmingham

43h 36m

2 stops

ONT20:01Ontario

9 Feb

ONT05:00Ontario

23h 30m

2 stops

BHX12:30Birmingham

£725

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Thu 10/12

14:45-22:59

1 stop16h 14m

Ontario

Thu 24/12

06:00-12:20

1 stop22h 20m

£417

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Wed 2/12

14:45-11:13

1 stop28h 28m

Ontario

Tue 8/12

11:57-12:20

1 stop16h 23m

£417

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Thu 24/12

13:35-22:31

1 stop16h 56m

Ontario

Sat 23/1

09:45-11:15

1 stop17h 30m

£475

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Fri 25/12

12:05-22:11

1 stop18h 06m

Ontario

Mon 18/1

07:00-05:55

1 stop14h 55m

£475

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Fri 12/2

15:45-22:24

2 stops38h 39m

Ontario

Fri 26/2

07:05-06:25

1 stop15h 20m

£516

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Fri 5/3

15:45-22:24

2 stops38h 39m

Ontario

Fri 26/3

11:55-05:45

2 stops34h 50m

£521

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Wed 12/5

06:30-17:17

2 stops18h 47m

Ontario

Sun 23/5

11:55-15:35

1 stop19h 40m

£530

Fastest return journey

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Thu 8/4

10:55-16:12

1 stop13h 17m

Ontario

Tue 13/4

13:00-10:00

1 stop13h 00m

£535

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Thu 24/12

13:50-23:59

1 stop18h 09m

Ontario

Thu 31/12

12:51-10:25

1 stop13h 34m

£627

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Tue 15/12

11:45-22:07

1 stop18h 22m

Ontario

Wed 23/12

07:00-06:50

1 stop15h 50m

£631

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

The month of January is, on average, the cheapest month to fly to Ontario from England, with most prices found around £417. If you’re not able to fly to Ontario in January, then February is your next best option. Flight prices from England to Ontario during February average around £428.

Can stopping save me money on England to Ontario flights?

You could potentially save up to 47% 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	£356
Fastest flight time	14h 27m
Direct flights	None

The best one-way flight to Ontario from England in the past 72 hours is £356. The best return flight deal from England to Ontario found on momondo in the last 72 hours is £417.

The fastest flight from England to Ontario takes 14h 27m

There are no direct flights from England to Ontario. There are no popular flight routes from England to Ontario.

Search flight deals

Frequently asked questions about flying from England to Ontario

When did momondo last update prices for flights from England to Ontario Airport?
Prices for flights from England to Ontario Airport refresh daily.
How many operators does momondo search for flights from England to Ontario Airport?
The number of operators available for flights from England to Ontario Airport is 4 as of November 2026.
How old do you have to be to fly from England to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from England to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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 Airlines	PriceFrom £377	Free Cancellation	Rating 7.3 10,483 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom £380	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £393	Free Cancellation	Rating 6.7 8,277 reviews	Search British Airways flights
Alaska Airlines	PriceFrom £431	Free Cancellation	Rating 7.9 13,158 reviews	Search Alaska Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from England to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Ontario from England with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from England to Ontario.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from England and alert you when they change.