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Cheap flights from Ontario to the United Kingdom from £210

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to the United Kingdom departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ontario to the United Kingdom

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Ontario to the United Kingdom.
Iberia Logo
10:54 - 10:50ONT-LHR
15h 56m1 stop
Iberia Logo
11:30 - 23:43LHR-ONT
20h 13m2 stops
£463Iberia
Find Deal
Sun, 4 May - Tue, 13 May
Iberia Logo
10:54 - 09:00ONT-LHR
14h 06m1 stop
Iberia Logo
15:10 - 22:10LHR-ONT
15h 00m1 stop
£466Iberia
Find Deal
Thu, 17 Apr - Wed, 30 Apr
British Airways Logo
16:35 - 17:50ONT-GLA
17h 15m2 stops
British Airways Logo
07:00 - 18:20GLA-ONT
19h 20m2 stops
£484British Airways
Find Deal
Wed, 16 Apr - Wed, 23 Apr
Delta Logo
11:45 - 11:20ONT-LHR
15h 35m1 stop
Delta Logo
06:15 - 19:28LHR-ONT
21h 13m2 stops
£485Delta
Find Deal
Thu, 17 Apr - Tue, 29 Apr
Delta Logo
12:07 - 13:10ONT-LHR
17h 03m2 stops
Delta Logo
11:30 - 22:43LHR-ONT
19h 13m2 stops
£488Delta
Find Deal
Thu, 17 Apr - Tue, 29 Apr
British Airways Logo
16:35 - 12:50ONT-LHR
12h 15m1 stop
British Airways Logo
15:10 - 22:10LHR-ONT
15h 00m1 stop
£491British Airways
Find Deal
Thu, 17 Apr - Tue, 22 Apr
United Airlines Logo
06:00 - 06:30ONT-LHR
16h 30m2 stops
United Airlines Logo
09:30 - 12:38LHR-ONT
35h 08m2 stops
£529United Airlines
Find Deal
Tue, 22 Apr - Mon, 12 May
United Airlines Logo
06:00 - 10:00ONT-LHR
20h 00m2 stops
United Airlines Logo
14:05 - 12:38LHR-ONT
30h 33m2 stops
£532United Airlines
Find Deal
Sun, 4 May - Tue, 13 May
American Airlines Logo
16:35 - 12:50ONT-LHR
12h 15m1 stop
American Airlines Logo
15:40 - 21:57LHR-ONT
14h 17m1 stop
£533American Airlines
Find Deal
Fri, 2 May - Sun, 18 May
American Airlines Logo
16:35 - 12:50ONT-LHR
12h 15m1 stop
American Airlines Logo
15:40 - 21:57LHR-ONT
14h 17m1 stop
£581American Airlines
Find Deal
Fri, 2 May - Sun, 18 May

Iberia flights from Ontario to United Kingdom

Our best Iberia deals on Ontario to United Kingdom flight tickets
Iberia
4 May
ONT10:54Ontario
15h 56m
1 stop
LHR10:50London Heathrow
13 May
LHR11:30London Heathrow
20h 13m
2 stops
ONT23:43Ontario
Iberia
17 Apr
ONT10:54Ontario
14h 06m
1 stop
LHR09:00London Heathrow
30 Apr
LHR15:10London Heathrow
15h 00m
1 stop
ONT22:10Ontario
Iberia
3 Sept
ONT12:49Ontario
14h 01m
1 stop
LHR10:50London Heathrow
17 Sept
LHR06:30London Heathrow
23h 26m
2 stops
ONT21:56Ontario

United Airlines flights from Ontario to United Kingdom

Our best United Airlines deals on Ontario to United Kingdom flight tickets
United Airlines
22 Apr
ONT06:00Ontario
16h 30m
2 stops
LHR06:30London Heathrow
12 May
LHR09:30London Heathrow
35h 08m
2 stops
ONT12:38Ontario
United Airlines
4 May
ONT06:00Ontario
20h 00m
2 stops
LHR10:00London Heathrow
13 May
LHR14:05London Heathrow
30h 33m
2 stops
ONT12:38Ontario
United Airlines
17 Apr
ONT13:20Ontario
13h 05m
1 stop
LHR10:25London Heathrow
29 Apr
LHR08:30London Heathrow
20h 12m
2 stops
ONT20:42Ontario

See travel insights to the United Kingdom from

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

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Ontario is in October. Flight prices, which tend to average around £516, 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 October, then departing from Ontario during the month May is also very affordable. Most momondo users find prices during this month for around £518.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Ontario to United Kingdom is on a Monday. Travellers who choose to depart for United Kingdom on a Monday will often find tickets for as low as £0. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to United Kingdom for around £565.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £0. Try not to purchase tickets in the morning because they tend to be around £668. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Ontario when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £619 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Ontario for as low as £564 on momondo.

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

Best price found

£210

Fastest flight time

12h 05m

Direct flights

None

Airports in United Kingdom

5 airports
The best one-way flight to United Kingdom from Ontario in the past 72 hours is £210. The best return flight deal from Ontario to United Kingdom found on momondo in the last 72 hours is £463.
The fastest flight from Ontario to United Kingdom takes 12h 05m
There are no direct flights from Ontario to United Kingdom. Popular non-direct routes for this connection are Ontario Airport - London Gatwick Airport, Ontario Airport - London Heathrow Airport and Ontario Airport - Manchester Airport.
There are 5 airports near United Kingdom: Newcastle upon Tyne (NCL), London Heathrow (LHR), Manchester (MAN), London Gatwick (LGW), Glasgow Intl (GLA)

  • 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.


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Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo