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Cheap flights from London Heathrow Airport to Ontario from £349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ontario departing on 16/5. 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 London Heathrow Airport to Los Angeles

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Los Angeles.
Virgin Atlantic Logo
13:25 - 22:43LHR-ONT
17h 18m1 stop
Virgin Atlantic Logo
14:55 - 14:15ONT-LHR
15h 20m1 stop
£400Virgin Atlantic
Find Deal
Fri, 2 May - Fri, 9 May
Virgin Atlantic Logo
06:15 - 23:41LHR-ONT
25h 26m2 stops
Virgin Atlantic Logo
11:44 - 14:15ONT-LHR
18h 31m1 stop
£409Virgin Atlantic
Find Deal
Wed, 30 Apr - Wed, 21 May
Virgin Atlantic Logo
18:00 - 22:05LHR-ONT
36h 05m2 stops
Virgin Atlantic Logo
06:00 - 11:20ONT-LHR
21h 20m1 stop
£417Virgin Atlantic
Find Deal
Fri, 2 May - Fri, 9 May
KLM Logo
13:25 - 22:43LHR-ONT
17h 18m1 stop
KLM Logo
13:10 - 09:50ONT-LHR
12h 40m1 stop
£418KLM
Find Deal
Fri, 2 May - Fri, 9 May
British Airways Logo
15:10 - 22:10LHR-ONT
15h 00m1 stop
British Airways Logo
16:35 - 12:50ONT-LHR
12h 15m1 stop
£420British Airways
Find Deal
Tue, 22 Apr - Tue, 29 Apr
British Airways Logo
16:25 - 23:50LHR-ONT
15h 25m1 stop
British Airways Logo
16:35 - 14:40ONT-LHR
14h 05m1 stop
£422British Airways
Find Deal
Wed, 23 Apr - Fri, 2 May
United Airlines Logo
12:20 - 20:34LHR-ONT
16h 14m1 stop
United Airlines Logo
15:10 - 14:10ONT-LHR
15h 00m1 stop
£481United Airlines
Find Deal
Sun, 4 May - Sun, 18 May
United Airlines Logo
06:30 - 21:10LHR-ONT
22h 40m2 stops
United Airlines Logo
10:00 - 06:20ONT-LHR
36h 20m2 stops
£656United Airlines
Find Deal
Sun, 1 Jun - Sat, 20 Sep
Finnair Logo
08:20 - 16:07LHR-ONT
15h 47m1 stop
Finnair Logo
12:50 - 10:50ONT-LHR
14h 00m1 stop
£697Finnair
Find Deal
Sat, 12 Apr - Sun, 20 Apr
Lufthansa Logo
11:05 - 22:55LHR-ONT
19h 50m2 stops
Lufthansa Logo
16:15 - 05:55ONT-LHR
29h 40m2 stops
£1,065Lufthansa
Find Deal
Wed, 23 Apr - Sun, 11 May

British Airways flights from London Heathrow Airport to Ontario

Our best British Airways deals on London Heathrow Airport to Ontario flight tickets
British Airways
22 Apr
LHR15:10London Heathrow
15h 00m
1 stop
ONT22:10Ontario
29 Apr
ONT16:35Ontario
12h 15m
1 stop
LHR12:50London Heathrow
British Airways
23 Apr
LHR16:25London Heathrow
15h 25m
1 stop
ONT23:50Ontario
2 May
ONT16:35Ontario
14h 05m
1 stop
LHR14:40London Heathrow
British Airways
2 May
LHR15:10London Heathrow
16h 40m
1 stop
ONT23:50Ontario
5 May
ONT14:44Ontario
14h 01m
1 stop
LHR12:45London Heathrow

Iberia flights from London Heathrow Airport to Ontario

Our best Iberia deals on London Heathrow Airport to Ontario flight tickets
Iberia
11 Sept
LHR09:15London Heathrow
22h 21m
2 stops
ONT23:36Ontario
17 Sept
ONT12:49Ontario
17h 36m
1 stop
LHR14:25London Heathrow
Iberia
12 Sept
LHR16:25London Heathrow
15h 11m
1 stop
ONT23:36Ontario
28 Sept
ONT10:54Ontario
14h 06m
1 stop
LHR09:00London Heathrow
Iberia
28 Sept
LHR16:25London Heathrow
15h 11m
1 stop
ONT23:36Ontario
8 Oct
ONT12:51Ontario
13h 59m
1 stop
LHR10:50London Heathrow

See travel insights to Los Angeles from

How to get the cheapest flight ticket from London Heathrow Airport 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

What is the typical price of a round-trip flight between London Heathrow Airport and Ontario?

What is the cheapest month to fly to Ontario?

The month of February is, on average, the cheapest month to fly to Ontario from London Heathrow Airport, with most prices found around £455. If you’re not able to fly to Ontario in February, then April is your next best option. Flight prices from London Heathrow Airport to Ontario during April average around £506.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as £508. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Ontario on a Sunday will generally be more expensive and average around £587. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Ontario from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £496 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Ontario is at midday when prices are around £584.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from London Heathrow Airport when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £558 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from London Heathrow Airport for as low as £400 on momondo.

When to book flights from London Heathrow Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Ontario (LHR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Ontario

Best price found

£349

Fastest flight time

13h 17m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from London Heathrow Airport in the past 72 hours is £349. The best return flight deal from London Heathrow Airport to Ontario found on momondo in the last 72 hours is £400.
The fastest flight from London Heathrow Airport to Ontario takes 13h 17m
There are no direct flights from London Heathrow Airport to Ontario. Popular non-direct route for this connection is London Heathrow Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is London Heathrow to Ontario by plane?

    Ontario is 5408.1 mi away from London Heathrow. By plane, this route typically takes 13h 17m.

  • When did momondo last update prices for flights from London Heathrow Airport to Ontario Airport?

    Prices for flights from London Heathrow Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Ontario Airport?

  • How old do you have to be to fly from London Heathrow Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Heathrow Airport to Ontario?


Best airlines flying from London Heathrow Airport to Ontario

Compare and see reviews for airlines that fly from London Heathrow Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £392Free CancellationRating
7.8
1,323 reviews
Search KLM flights
United AirlinesPriceFrom £410Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £422Free CancellationRating
7.4
637 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £422Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
FinnairPriceFrom £423Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
LufthansaPriceFrom £456Free CancellationRating
6.7
6,963 reviews
Search Lufthansa flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from London.

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

Flights from London to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for London to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Ontario from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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