Cheap flights from Heathrow to Ontario

Return
Economy
London (LHR)
Ontario (ONT)
Depart
Return
Any month
Compare vs Cheapflights |

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 2022: compare Heathrow to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
LHR - ONT
Price
£636 - £1,039
ONT
Temperature
12 - 26 °C
ONT
Rainfall
3 - 86 mm

Popular in

July

High demand for flights, 26% potential price rise

Cheapest in

November

Best time to find cheap flights, 18% potential price drop

Average price

£706

Average for round-trip flights in August 2022

Round-trip from

£521

From London Heathrow to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from London Heathrow Airport to Ontario?

Flights from London Heathrow Airport to Ontario lean towards being more expensive in July. Prices are generally better when you fly from London Heathrow Airport to Ontario in February, with the cheapest ticket starting at £347.

How far in advance should I book a flight from London Heathrow Airport to Ontario?

Users have found that booking a flight from London Heathrow Airport to Ontario at least 60 days early can save you up to 27% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Ontario for as little as £639 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £721 for flights departing within the next 3 days.

When is the cheapest time to fly from London Heathrow Airport to Ontario (LHR - ONT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Ontario as you normally would.

Cheap flights from Heathrow to Ontario in August, September 2022

The best prices found for LHR to ONT flights in August, September
6 Sep - 12 Sep
£414pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
ONT
Ontario
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
6 Sep - 12 Sep
£441pp
LHR
London Heathrow
Air France
 
1 STOP
ONT
Ontario
ONT
Ontario
Air France
 
1 STOP
LHR
London Heathrow
5 Sep - 8 Dec
£489pp
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow

London Heathrow to Ontario 2022 flight deals

Cheap flights to Ontario from Heathrow found for this year
6 Sep - 12 Sep
£414pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
ONT
Ontario
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
15 Nov - 30 Nov
£439pp
LHR
London Heathrow
KLM
 
1 STOP
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
9 Nov - 23 Nov
£440pp
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow

Cheap Virgin Atlantic flights from Heathrow to Ontario

6 Sep - 12 Sep
£414pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
ONT
Ontario
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
14 Oct - 15 Nov
£441pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ONT
Ontario
ONT
Ontario
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
14 Oct - 15 Nov
£442pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ONT
Ontario
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow

Cheap Air France flights from Heathrow to Ontario

6 Sep - 12 Sep
£441pp
LHR
London Heathrow
Air France
 
1 STOP
ONT
Ontario
ONT
Ontario
Air France
 
1 STOP
LHR
London Heathrow
2 Nov - 6 Nov
£462pp
LHR
London Heathrow
Air France
 
1 STOP
ONT
Ontario
ONT
Ontario
Air France
 
1 STOP
LHR
London Heathrow

Last-minute flights from Heathrow to Ontario

Late deals on return flights to Ontario from Heathrow, departing today and this week
22 Aug - 21 Sep
£577pp
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow
22 Aug - 13 Sep
£581pp
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow
22 Aug - 8 Sep
£585pp
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow

One-way flights to Ontario from London Heathrow

The cheapest one-way flights from Heathrow to Ontario
16:20 - 14:30
Qatar Airways
2 stops
30h 10m
LHR - ONT
Qatar Airways
£808
qatarairways.com
18:40 - 19:05
Avianca
2 stops
32h 25m
LHR - ONT
Avianca
£810
Avianca
09:05 - 19:44
Multiple Airlines
2 stops
18h 39m
LHR - ONT
Multiple Airlines

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

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 center of Ontario. There are 0 flights from London Heathrow to Ontario per day from 6 different airlines.

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.

Can I find flights from London Heathrow Airport to Ontario for under £500 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Ontario for under £500. The cheapest flight booked recently is on Virgin Atlantic for just £414, but on average you can expect to pay £451.

Are there last-minute flights available from London Heathrow Airport to Ontario for under £600?

There are currently 20+ open flights from London Heathrow Airport to Ontario within the next 7 days for less than £600.

What are the cheapest airlines flying from London Heathrow Airport to Ontario round-trip?

Currently priced at £414, Virgin Atlantic will fly you from London Heathrow Airport to Ontario and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and United Airlines - these airlines can fly you to your destination from £439 and £440, respectively. Users have found that Virgin Atlantic is 34% cheaper than the other options available to this destination.

What are the most popular airlines that fly from London Heathrow Airport to Ontario?

Consider American Airlines, Finnair or British Airways when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Ontario.

What are the cheapest flights from London Heathrow Airport to Ontario?

On average you can expect to pay £514 for a flight from London Heathrow Airport to Ontario. The cheapest flight overall is £486 while the most popular route, (London Heathrow - Ontario) is currently priced at £414.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Heathrow?

Information is based on travel restrictions from London Heathrow to Ontario

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from London Heathrow are not required to present a negative COVID-19 PCR test or antigen result upon entering Ontario.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Ontario.

Do I need a test to fly back to Heathrow from Ontario?

Returning to London Heathrow from Ontario

COVID-19 testing requirements
Visitors from Ontario are not required to present a negative COVID-19 PCR test or antigen result upon entering London Heathrow.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering London Heathrow.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Heathrow to Ontario

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

Top 3 airlines flying from London 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
British Airways
£457 £638 No cancel fee 70%
Search British Airways flights
United Airlines
£505 £648 No cancel fee 69%
Search United Airlines flights
Virgin Atlantic
£514 £643 No cancel fee 72%
Search Virgin Atlantic flights
Home North America USA California Ontario Cheap flights from Heathrow to Ontario
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First