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.

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

United Airlines, Delta, and Lufthansa are the most popular carriers operating from Ontario to 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.

£204 Cheap Flights from Ontario to the United Kingdom in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:59 - 08:05

ONT

LHR

13h 06m

1 stop

10:05 - 16:22

LHR

ONT

14h 17m

1 stop

£554British Airways

Mon, 27 Apr - Wed, 6 May

16:54 - 19:30

ONT

EDI

18h 36m

2 stops

21:15 - 21:37

EDI

ONT

32h 22m

2 stops

£581British Airways

Tue, 1 Sep - Tue, 15 Sep

16:54 - 15:05

ONT

LHR

14h 11m

1 stop

16:10 - 21:39

LHR

ONT

13h 29m

1 stop

£584Multiple Airlines

Sun, 23 Aug - Tue, 8 Sep

16:54 - 15:05

ONT

LHR

14h 11m

1 stop

16:10 - 21:39

LHR

ONT

13h 29m

1 stop

£584Multiple Airlines

Mon, 17 Aug - Wed, 2 Sep

17:38 - 15:05

ONT

LHR

13h 27m

1 stop

17:00 - 11:09

LHR

ONT

26h 09m

1 stop

£588Alaska Airlines

Tue, 18 Aug - Thu, 3 Sep

14:09 - 15:05

ONT

LHR

16h 56m

1 stop

17:00 - 11:09

LHR

ONT

26h 09m

1 stop

£589Alaska Airlines

Mon, 17 Aug - Thu, 27 Aug

06:30 - 10:35

ONT

EDI

20h 05m

2 stops

11:30 - 18:19

EDI

ONT

14h 49m

1 stop

£590United Airlines

Tue, 4 Aug - Fri, 21 Aug

05:45 - 08:25

ONT

EDI

18h 40m

2 stops

11:30 - 21:59

EDI

ONT

18h 29m

2 stops

£593United Airlines

Tue, 4 Aug - Fri, 21 Aug

14:39 - 12:10

ONT

LHR

13h 31m

1 stop

10:50 - 23:46

LHR

ONT

20h 56m

2 stops

£596Iberia

Mon, 6 Apr - Wed, 22 Apr

14:08 - 12:10

ONT

LHR

14h 02m

1 stop

11:30 - 23:46

LHR

ONT

20h 16m

2 stops

£597Iberia

Wed, 6 May - Wed, 13 May

Iberia flights from Ontario to United Kingdom

Our best Iberia deals on Ontario to United Kingdom flight tickets

Iberia

6 Apr

ONT14:39Ontario

13h 31m

1 stop

LHR12:10London Heathrow

22 Apr

LHR10:50London Heathrow

20h 56m

2 stops

ONT23:46Ontario

£596

Iberia

6 May

ONT14:08Ontario

14h 02m

1 stop

LHR12:10London Heathrow

13 May

LHR11:30London Heathrow

20h 16m

2 stops

ONT23:46Ontario

£597

Iberia

15 Apr

ONT14:08Ontario

16h 17m

1 stop

LHR14:25London Heathrow

5 May

LHR06:10London Heathrow

22h 44m

2 stops

ONT20:54Ontario

£599

Delta flights from Ontario to United Kingdom

Our best Delta deals on Ontario to United Kingdom flight tickets

Delta

1 Apr

ONT11:59Ontario

19h 36m

1 stop

LHR15:35London Heathrow

9 Apr

LHR11:45London Heathrow

18h 49m

2 stops

ONT22:34Ontario

£601

Delta

15 Apr

ONT06:00Ontario

17h 10m

2 stops

LHR07:10London Heathrow

5 May

LHR06:30London Heathrow

18h 45m

2 stops

ONT17:15Ontario

£603

Delta

15 Apr

ONT06:00Ontario

17h 10m

2 stops

LHR07:10London Heathrow

5 May

LHR08:40London Heathrow

20h 20m

2 stops

ONT21:00Ontario

£604

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Mon 27/4

10:59-08:05

1 stop13h 06m

London Heathrow

Wed 6/5

10:05-16:22

1 stop14h 17m

£554

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Tue 1/9

16:54-19:30

2 stops18h 36m

Edinburgh Turnhouse

Tue 15/9

21:15-21:37

2 stops32h 22m

£581

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Sun 23/8

16:54-15:05

1 stop14h 11m

London Heathrow

Tue 8/9

16:10-21:39

1 stop13h 29m

£584

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Mon 17/8

16:54-15:05

1 stop14h 11m

London Heathrow

Wed 2/9

16:10-21:39

1 stop13h 29m

£584

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Tue 18/8

17:38-15:05

1 stop13h 27m

London Heathrow

Thu 3/9

17:00-11:09

1 stop26h 09m

£588

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Mon 17/8

14:09-15:05

1 stop16h 56m

London Heathrow

Thu 27/8

17:00-11:09

1 stop26h 09m

£589

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Tue 4/8

06:30-10:35

2 stops20h 05m

Edinburgh Turnhouse

Fri 21/8

11:30-18:19

1 stop14h 49m

£590

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Tue 4/8

05:45-08:25

2 stops18h 40m

Edinburgh Turnhouse

Fri 21/8

11:30-21:59

2 stops18h 29m

£593

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Mon 6/4

14:39-12:10

1 stop13h 31m

London Heathrow

Wed 22/4

10:50-23:46

2 stops20h 56m

£596

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Wed 6/5

14:08-12:10

1 stop14h 02m

London Heathrow

Wed 13/5

11:30-23:46

2 stops20h 16m

£597

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 March. Flight prices, which tend to average around £493, 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 March, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around £494.

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

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.