What is the cheapest airline that flies from Ontario to United Kingdom?

British Airways, Delta, and United Airlines are the most popular carriers operating from Ontario to United Kingdom

Which airlines fly to United Kingdom?

Virgin Atlantic, British Airways and Aer Lingus are the top three most popular airlines that fly to United Kingdom from Ontario according to our data. Virgin Atlantic is the first choice among our users, with 42% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 12 different airlines that fly to United Kingdom 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 United Kingdom?

Prices for flights from Ontario Airport to United Kingdom are updated daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The necessary travel and health documents for your United Kingdom 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.

£208 Cheap Flights from Ontario to the United Kingdom in 2026

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Find the cheapest flights from Ontario to the United Kingdom

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:00 - 11:40

ONT

LHR

15h 40m

1 stop

12:20 - 22:43

LHR

ONT

18h 23m

1 stop

£325Virgin Atlantic

Thu, 17 Dec - Tue, 22 Dec

07:00 - 11:40

ONT

LHR

20h 40m

1 stop

11:40 - 23:48

LHR

ONT

20h 08m

2 stops

£327Virgin Atlantic

Thu, 17 Dec - Tue, 22 Dec

10:25 - 12:50

ONT

LHR

18h 25m

1 stop

11:30 - 23:06

LHR

ONT

19h 36m

2 stops

£621Multiple Airlines

Tue, 29 Sep - Tue, 13 Oct

10:25 - 09:05

ONT

LHR

14h 40m

1 stop

16:25 - 23:36

LHR

ONT

15h 11m

1 stop

£623Multiple Airlines

Mon, 28 Sep - Thu, 1 Oct

14:59 - 16:35

ONT

GLA

17h 36m

2 stops

11:40 - 22:23

GLA

ONT

18h 43m

2 stops

£634British Airways

Mon, 2 Nov - Sun, 8 Nov

14:59 - 15:15

ONT

EDI

16h 16m

2 stops

11:05 - 22:23

EDI

ONT

19h 18m

2 stops

£637British Airways

Mon, 2 Nov - Sun, 8 Nov

18:53 - 08:40

ONT

MAN

29h 47m

2 stops

11:30 - 21:21

MAN

ONT

41h 51m

2 stops

£647United Airlines

Tue, 1 Dec - Tue, 8 Dec

07:00 - 08:25

ONT

EDI

17h 25m

1 stop

09:00 - 20:58

EDI

ONT

43h 58m

2 stops

£654United Airlines

Sun, 11 Oct - Thu, 15 Oct

07:05 - 11:50

ONT

EDI

20h 45m

1 stop

09:00 - 22:14

EDI

ONT

21h 14m

1 stop

£665Delta

Sun, 27 Sep - Tue, 6 Oct

07:05 - 14:55

ONT

NCL

23h 50m

2 stops

11:10 - 22:14

NCL

ONT

42h 04m

2 stops

£717Delta

Sun, 6 Sep - Wed, 28 Oct

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Lufthansa flights from Ontario to United Kingdom

Our best Lufthansa deals on Ontario to United Kingdom flight tickets

Lufthansa

20 Sept

ONT13:18Ontario

12h 22m

1 stop

LHR09:40London Heathrow

30 Sept

LHR14:50London Heathrow

14h 08m

1 stop

ONT20:58Ontario

£648

Lufthansa

7 Jul

ONT13:18Ontario

15h 07m

1 stop

LHR12:25London Heathrow

14 Jul

LHR14:50London Heathrow

13h 52m

1 stop

ONT20:42Ontario

£908

Lufthansa

29 Jun

ONT13:18Ontario

12h 22m

1 stop

LHR09:40London Heathrow

7 Jul

LHR14:50London Heathrow

13h 52m

1 stop

ONT20:42Ontario

£992

JetBlue flights from Ontario to United Kingdom

Our best JetBlue deals on Ontario to United Kingdom flight tickets

JetBlue

8 Aug

ONT23:08Ontario

26h 12m

1 stop

EDI09:20Edinburgh Turnhouse

15 Aug

EDI12:10Edinburgh Turnhouse

17h 49m

1 stop

ONT21:59Ontario

£739

JetBlue

6 Jul

ONT23:47Ontario

25h 43m

1 stop

LHR09:30London Heathrow

20 Aug

LHR08:15London Heathrow

22h 23m

1 stop

ONT22:38Ontario

£835

JetBlue

4 Jul

ONT23:16Ontario

13h 29m

1 stop

LHR20:45London Heathrow

21 Aug

LHR11:55London Heathrow

18h 43m

1 stop

ONT22:38Ontario

£861

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Thu 17/12

12:00-11:40

1 stop15h 40m

London Heathrow

Tue 22/12

12:20-22:43

1 stop18h 23m

£325

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Thu 17/12

07:00-11:40

1 stop20h 40m

London Heathrow

Tue 22/12

11:40-23:48

2 stops20h 08m

£327

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Tue 29/9

10:25-12:50

1 stop18h 25m

London Heathrow

Tue 13/10

11:30-23:06

2 stops19h 36m

£621

Fastest return journey

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Mon 28/9

10:25-09:05

1 stop14h 40m

London Heathrow

Thu 1/10

16:25-23:36

1 stop15h 11m

£623

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 2/11

14:59-16:35

2 stops17h 36m

Glasgow Intl

Sun 8/11

11:40-22:23

2 stops18h 43m

£634

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Mon 2/11

14:59-15:15

2 stops16h 16m

Edinburgh Turnhouse

Sun 8/11

11:05-22:23

2 stops19h 18m

£637

OntarioManchester

ONT - MAN

ONTMAN

Ontario

Tue 1/12

18:53-08:40

2 stops29h 47m

Manchester

Tue 8/12

11:30-21:21

2 stops41h 51m

£647

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Sun 11/10

07:00-08:25

1 stop17h 25m

Edinburgh Turnhouse

Thu 15/10

09:00-20:58

2 stops43h 58m

£654

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Sun 27/9

07:05-11:50

1 stop20h 45m

Edinburgh Turnhouse

Tue 6/10

09:00-22:14

1 stop21h 14m

£665

OntarioNewcastle upon Tyne

ONT - NCL

ONTNCL

Ontario

Sun 6/9

07:05-14:55

2 stops23h 50m

Newcastle upon Tyne

Wed 28/10

11:10-22:14

2 stops42h 04m

£717

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 United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from Ontario is in September. Flight prices, which tend to average around £190, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of September, then departing from Ontario during the month December is also very affordable. Most momondo users find prices during this month for around £214.

Can stopping save me money on Ontario to United Kingdom flights?

You could potentially save up to 26% on your flight if you consider stops on a Ontario to United Kingdom flight.

Cheap Ontario to United Kingdom flight deals and tips

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

Fastest flight time	12h 22m
Direct flights	None

The fastest flight from Ontario to United Kingdom takes 12h 22m

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

Search flight deals

Frequently asked questions about flying from Ontario to the United Kingdom

When did momondo last update prices for flights from Ontario Airport to United Kingdom?
Prices for flights from Ontario Airport to United Kingdom are updated daily.
How old do you have to be to fly from Ontario Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The necessary travel and health documents for your United Kingdom 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.

Why use momondo?

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

It is quick and easy to find Ontario to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

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

Yes. momondo allows you to filter the results for Ontario to United Kingdom flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ontario to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.