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

Delta and United Airlines are the most popular carriers operating from Ontario to England

Which airlines fly to England?

British Airways, Virgin Atlantic and Aer Lingus are the top three most popular airlines that fly to England from Ontario according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when travelling to England. Keep in mind that there are 12 different airlines that fly to England on a routine basis, so you have a few additional options to choose from.

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to England.

What documentation or ID do you need to fly to England?

The travel and health documents required for your trip to England 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 England. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£241 Cheap Flights from Ontario to England in 2026/27

Find the cheapest flights from Ontario to England

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:25 - 19:30ONT Ontario-LHR London Heathrow

29h 05m2 stops Denver Intl Reykjavik Keflavik Intl

12:15 - 23:51LHR London Heathrow-ONT Ontario

19h 36m2 stops Reykjavik Keflavik Intl Denver Intl

£493Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

06:25 - 19:30ONT Ontario-LHR London Heathrow

29h 05m2 stops Denver Intl Reykjavik Keflavik Intl

12:15 - 23:51LHR London Heathrow-ONT Ontario

19h 36m2 stops Reykjavik Keflavik Intl Denver Intl

£494Multiple Airlines

Wed, 4 Nov - Tue, 10 Nov

06:25 - 10:50ONT Ontario-LHR London Heathrow

21h 25m2 stops Denver Intl Reykjavik Keflavik Intl

20:35 - 23:51LHR London Heathrow-ONT Ontario

35h 16m2 stops Reykjavik Keflavik Intl Denver Intl

£521Multiple Airlines

Tue, 27 Oct - Mon, 2 Nov

06:25 - 10:50ONT Ontario-LHR London Heathrow

21h 25m2 stops Denver Intl Reykjavik Keflavik Intl

12:15 - 23:51LHR London Heathrow-ONT Ontario

18h 36m2 stops Reykjavik Keflavik Intl Denver Intl

£524Multiple Airlines

Tue, 27 Oct - Sat, 31 Oct

06:25 - 10:50ONT Ontario-LHR London Heathrow

20h 25m2 stops Denver Intl Reykjavik Keflavik Intl

20:35 - 23:51LHR London Heathrow-ONT Ontario

35h 16m2 stops Reykjavik Keflavik Intl Denver Intl

£525Multiple Airlines

Thu, 12 Nov - Mon, 16 Nov

06:25 - 10:50ONT Ontario-LHR London Heathrow

21h 25m2 stops Denver Intl Reykjavik Keflavik Intl

20:35 - 23:51LHR London Heathrow-ONT Ontario

35h 16m2 stops Reykjavik Keflavik Intl Denver Intl

£527Multiple Airlines

Tue, 27 Oct - Mon, 2 Nov

06:25 - 19:30ONT Ontario-LHR London Heathrow

29h 05m2 stops Denver Intl Reykjavik Keflavik Intl

12:15 - 23:51LHR London Heathrow-ONT Ontario

19h 36m2 stops Reykjavik Keflavik Intl Denver Intl

£528Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

06:25 - 10:50ONT Ontario-LHR London Heathrow

20h 25m2 stops Denver Intl Reykjavik Keflavik Intl

20:35 - 23:51LHR London Heathrow-ONT Ontario

35h 16m2 stops Reykjavik Keflavik Intl Denver Intl

£529Multiple Airlines

Wed, 11 Nov - Mon, 16 Nov

06:25 - 10:50ONT Ontario-LHR London Heathrow

20h 25m2 stops Denver Intl Reykjavik Keflavik Intl

12:15 - 09:40LHR London Heathrow-ONT Ontario

29h 25m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl

£533Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

06:25 - 19:30ONT Ontario-LHR London Heathrow

29h 05m2 stops Denver Intl Reykjavik Keflavik Intl

12:15 - 09:40LHR London Heathrow-ONT Ontario

29h 25m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl

£533Multiple Airlines

Wed, 4 Nov - Tue, 10 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:14 - 15:05ONT Ontario-LHR London Heathrow

15h 51m1 stop Seattle/Tacoma Intl

17:00 - 23:24LHR London Heathrow-ONT Ontario

14h 24m1 stop Seattle/Tacoma Intl

£562Alaska Airlines

Tue, 29 Sep - Fri, 2 Oct

15:14 - 15:05ONT Ontario-LHR London Heathrow

15h 51m1 stop Seattle/Tacoma Intl

17:00 - 10:17LHR London Heathrow-ONT Ontario

25h 17m1 stop Seattle/Tacoma Intl

£566Alaska Airlines

Wed, 30 Sep - Wed, 14 Oct

12:10 - 15:05ONT Ontario-LHR London Heathrow

18h 55m1 stop Seattle/Tacoma Intl

17:00 - 10:17LHR London Heathrow-ONT Ontario

25h 17m1 stop Seattle/Tacoma Intl

£574Alaska Airlines

Mon, 28 Sep - Tue, 13 Oct

06:02 - 15:05ONT Ontario-LHR London Heathrow

25h 03m1 stop Seattle/Tacoma Intl

17:00 - 10:17LHR London Heathrow-ONT Ontario

25h 17m1 stop Seattle/Tacoma Intl

£579Alaska Airlines

Mon, 28 Sep - Tue, 13 Oct

06:02 - 15:05ONT Ontario-LHR London Heathrow

25h 03m1 stop Seattle/Tacoma Intl

17:00 - 10:17LHR London Heathrow-ONT Ontario

25h 17m1 stop Seattle/Tacoma Intl

£582Alaska Airlines

Mon, 28 Sep - Tue, 13 Oct

12:10 - 15:05ONT Ontario-LHR London Heathrow

18h 55m1 stop Seattle/Tacoma Intl

17:00 - 23:24LHR London Heathrow-ONT Ontario

14h 24m1 stop Seattle/Tacoma Intl

£585Alaska Airlines

Mon, 28 Sep - Fri, 2 Oct

15:14 - 15:05ONT Ontario-LHR London Heathrow

15h 51m1 stop Seattle/Tacoma Intl

17:00 - 10:17LHR London Heathrow-ONT Ontario

25h 17m1 stop Seattle/Tacoma Intl

£588Alaska Airlines

Wed, 30 Sep - Sun, 4 Oct

12:12 - 15:05ONT Ontario-LHR London Heathrow

18h 53m1 stop Seattle/Tacoma Intl

17:00 - 13:16LHR London Heathrow-ONT Ontario

28h 16m1 stop Seattle/Tacoma Intl

£592Alaska Airlines

Tue, 29 Sep - Tue, 6 Oct

15:14 - 15:05ONT Ontario-LHR London Heathrow

15h 51m1 stop Seattle/Tacoma Intl

17:00 - 23:42LHR London Heathrow-ONT Ontario

14h 42m1 stop Seattle/Tacoma Intl

£600Alaska Airlines

Wed, 30 Sep - Sun, 18 Oct

15:14 - 15:05ONT Ontario-LHR London Heathrow

15h 51m1 stop Seattle/Tacoma Intl

17:00 - 18:00LHR London Heathrow-ONT Ontario

33h 00m1 stop Seattle/Tacoma Intl

£604Alaska Airlines

Thu, 1 Oct - Wed, 7 Oct

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Alaska Airlines flights from Ontario to England

Our best Alaska Airlines deals on Ontario to England flight tickets

Alaska Airlines

4 Oct

ONT06:02Ontario

25h 03m

1 stop

LHR15:05London Heathrow

20 Oct

LHR17:00London Heathrow

33h 00m

1 stop

ONT18:00Ontario

£551

Alaska Airlines

4 Oct

ONT06:02Ontario

25h 03m

1 stop

LHR15:05London Heathrow

20 Oct

LHR17:00London Heathrow

33h 00m

1 stop

ONT18:00Ontario

£555

Alaska Airlines

27 Oct

ONT11:13Ontario

18h 07m

1 stop

LHR12:20London Heathrow

25 Nov

LHR14:45London Heathrow

16h 46m

1 stop

ONT23:31Ontario

£561

Virgin Atlantic flights from Ontario to England

Our best Virgin Atlantic deals on Ontario to England flight tickets

Virgin Atlantic

20 Oct

ONT13:35Ontario

13h 25m

1 stop

LHR11:00London Heathrow

27 Oct

LHR12:20London Heathrow

17h 23m

1 stop

ONT22:43Ontario

£548

Virgin Atlantic

19 Oct

ONT18:00Ontario

13h 35m

1 stop

LHR15:35London Heathrow

27 Oct

LHR12:20London Heathrow

17h 23m

1 stop

ONT22:43Ontario

£554

Virgin Atlantic

24 Nov

ONT07:05Ontario

15h 20m

1 stop

LHR06:25London Heathrow

13 Jan

LHR10:45London Heathrow

13h 27m

1 stop

ONT16:12Ontario

£575

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Tue 10/11

06:25-19:30

2 stops29h 05m

London Heathrow

Tue 17/11

12:15-23:51

2 stops19h 36m

£493

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Wed 4/11

06:25-19:30

2 stops29h 05m

London Heathrow

Tue 10/11

12:15-23:51

2 stops19h 36m

£494

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Tue 27/10

06:25-10:50

2 stops21h 25m

London Heathrow

Mon 2/11

20:35-23:51

2 stops35h 16m

£520

Fastest return journey

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Tue 27/10

06:25-10:50

2 stops21h 25m

London Heathrow

Sat 31/10

12:15-23:51

2 stops18h 36m

£524

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Thu 12/11

06:25-10:50

2 stops20h 25m

London Heathrow

Mon 16/11

20:35-23:51

2 stops35h 16m

£525

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Tue 27/10

06:25-10:50

2 stops21h 25m

London Heathrow

Mon 2/11

20:35-23:51

2 stops35h 16m

£527

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Thu 5/11

06:25-19:30

2 stops29h 05m

London Heathrow

Thu 12/11

12:15-23:51

2 stops19h 36m

£528

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Wed 11/11

06:25-10:50

2 stops20h 25m

London Heathrow

Mon 16/11

20:35-23:51

2 stops35h 16m

£529

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Tue 10/11

06:25-10:50

2 stops20h 25m

London Heathrow

Tue 17/11

12:15-09:40

3 stops29h 25m

£533

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Wed 4/11

06:25-19:30

2 stops29h 05m

London Heathrow

Tue 10/11

12:15-09:40

3 stops29h 25m

£533

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 Ontario to England

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

What is the cheapest month to fly to England?

The cheapest month to fly to England from Ontario is in January. Flight prices, which tend to average around £520, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to England from Ontario during December instead. Flights to England in December, while not as cheap as those in January, still average around £561.

Can stopping save me money on Ontario to England flights?

You could potentially save up to 14% on your flight if you consider stops on a Ontario to England flight.

Cheap Ontario to England flight deals and tips

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

Best price found	£241
Fastest flight time	12h 36m
Direct flights	None

The best one-way flight to England from Ontario in the past 72 hours is £241. The best return flight deal from Ontario to England found on momondo in the last 72 hours is £493.

The fastest flight from Ontario to England takes 12h 36m

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

Search flight deals

Frequently asked questions about flying from Ontario to England

When did momondo last update prices for flights from Ontario Airport to England?
Prices for flights from Ontario Airport to England are refreshed on a daily basis.
How old do you have to be to fly from Ontario Airport to England?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to England.
What documentation or ID do you need to fly to England?
The travel and health documents required for your trip to England 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 England. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

Yes. All flights to England from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ontario to England 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 Ontario to England right now. Can momondo alert me if prices change?

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