Cheap flights from Heathrow to Ontario

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How to find the cheapest flight from
Heathrow (LHR) to Ontario (ONT)

All the information you need to plan the best LHR to ONT flight in 2021: compare Heathrow to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
LHR - ONT
Price
£376 - £691

Popular in

August

High demand for flights, 28% potential price rise

Cheapest in

February

Best time to find cheap flights, 24% potential price drop

Average price

£393

Average for round-trip flights in May 2021

Round-trip from

£376

From Heathrow to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Heathrow to Ontario?

Travellers have found it’s best to book a flight 61 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Heathrow to Ontario 1-2 weeks in advance for as low as £385, or £458 for flights within the next 24 hours.

What is the cheapest month to fly from Heathrow to Ontario?

The best pricing can be found in the month of November. Prices to Ontario from Heathrow average £367. You can even find prices in November for less than £367, as users have found deals to Ontario from as low as £254. The month of July appears to be one of the more expensive times to travel to Ontario from Heathrow. Flying in the targeted month can save you up to 53%.

Cheap flights from Heathrow to Ontario in May, June 2021

The best prices found for LHR to ONT flights in May, June
16 May - 31 May
£455pp
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
1 Jun - 15 Jun
£456pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
2 Jun - 16 Jun
£457pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Heathrow to Ontario 2021 flight deals

Cheap flights to Ontario from Heathrow found for this year
10 Nov - 14 Nov
£413pp
LHR
London Heathrow
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
LHR
London Heathrow
16 May - 31 May
£455pp
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
1 Jun - 15 Jun
£456pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Last-minute flights from Heathrow to Ontario

Late deals on return flights to Ontario from Heathrow, departing today and this week
19 May - 25 May
£555pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
19 May - 26 May
£557pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
18 May - 26 May
£568pp
LHR
London Heathrow
Delta
   
2 STOPS
ONT
Ontario
ONT
Ontario
Delta
   
2 STOPS
LHR
London Heathrow

One-way flights to Ontario from Heathrow

The cheapest one-way flights from Heathrow to Ontario
02:00 - 07:01
Multiple Airlines
2 stops
37h 01m
LHR - ONT
Multiple Airlines
£346
Kiwi.com
07:30 - 18:20
Virgin Atlantic
1 stop
18h 50m
LHR - ONT
Virgin Atlantic
£425
Flightcatchers
04:40 - 11:52
British Airways
1 stop
15h 12m
LHR - ONT
British Airways
£440
World Air Fares

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From Heathrow to Ontario

Are flight prices decreasing from Heathrow to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London Heathrow to Ontario have flexible cancellations due to COVID-19?

British Airways, United Airlines, and Virgin Atlantic are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airport do you fly into for flights to Ontario from London Heathrow?

If you book a flight to Ontario from London Heathrow, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the centre of Ontario. There are 0 flights from London Heathrow to Ontario per day from 5 different airlines.

Can I find flights from Heathrow to Ontario for under £495 on Cheapflights?

Yes, there are multiple flights from Heathrow to Ontario for under £495. The cheapest flight booked recently is on Multiple Airlines for just £456, but on average you can expect to pay £471.

Are there direct flights from Heathrow to Ontario for under £424 on Cheapflights?

There are no direct flights from Heathrow to Ontario, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Heathrow to Ontario for under £566?

There are currently 20+ open flights from Heathrow to Ontario within the next 7 days for less than £566.

Does it rain more in Heathrow or Ontario?

Expected rainfall in Heathrow is less than in Ontario. You can expect this to be the case over the next 19 days.

Is Heathrow weather warmer or cooler than Ontario?

Our data indicates that the weather will be 35 °C on average in the month of July. The temperature in Ontario is typically hotter than in Heathrow. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from Heathrow to Ontario?

A quick flight from Heathrow to Ontario can take about 14h 19m. Virgin Atlantic provides one of the quickest options available for as low as £460. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Heathrow to Ontario return?

According to our current data, Virgin Atlantic (£460), KLM (£465), and Delta (£469) offers the cheapest pricing from Heathrow to Ontario. Virgin Atlantic is currently priced 7% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Heathrow to Ontario one-way?

For one-way options, check prices for KLM. According to our data, you can fly for as low as £292. Users have also found prices from £297 and £342 on KLM and British Airways, respectively.

Related searches

Flights to Ontario from Heathrow
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Alternative routes for Heathrow to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Heathrow to Ontario.
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Airports servicing London

Airports servicing Ontario

Top 4 airlines flying from Heathrow to Ontario

The chart below displays the airlines Cheapflights users travelling from Heathrow to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Finnair
£362 £563 No cancel fee 76%
Search Finnair flights
British Airways
£432 £616 No cancel fee 70%
Search British Airways flights
Virgin Atlantic
£386 £666 No cancel fee 72%
Search Virgin Atlantic flights
United Airlines
£375 £690 No cancel fee 69%
Search United Airlines flights
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