Cheap flights from the United Kingdom to Ontario
How far in advance should I book a flight from United Kingdom to Ontario?
Travelers 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 United Kingdom to Ontario 1-2 weeks in advance for as low as £435, or £519 for flights within the next 24 hours.
What is the cheapest month to fly from United Kingdom to Ontario?
Flights from United Kingdom to Ontario lean towards being more expensive in July. Prices are generally better when you fly from United Kingdom to Ontario in November, with the cheapest ticket starting at £287.
When is the cheapest time to fly from United Kingdom to Ontario (GB - ONT)?
When flying from United Kingdom to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap flights from United Kingdom to Ontario in May, June 2022
The best prices found for United Kingdom to ONT flights in May, June
London Heathrow
Ontario
1 stop
15h 29mOntario
London Heathrow
1 stop
12h 45mKLM
London Heathrow
Ontario
1 stop
14h 27mOntario
London Heathrow
1 stop
15h 54mBritish Airways
London Heathrow
Ontario
1 stop
15h 29mOntario
London Heathrow
1 stop
14h 17mKLM
United Kingdom to Ontario 2022 flight deals
Cheap flights to Ontario from United Kingdom found for this year
London Heathrow
Ontario
1 stop
15h 17mOntario
London Heathrow
1 stop
12h 40mUnited Airlines
London Heathrow
Ontario
1 stop
15h 25mOntario
London Heathrow
1 stop
12h 40mUnited Airlines
London Heathrow
Ontario
1 stop
14h 25mOntario
London Heathrow
1 stop
27h 10mUnited Airlines
Cheap KLM flights from United Kingdom to Ontario
London Heathrow
Ontario
1 stop
15h 29mOntario
London Heathrow
1 stop
14h 17mKLM
London Heathrow
Ontario
1 stop
17h 00mOntario
London Heathrow
1 stop
14h 22mKLM
London Heathrow
Ontario
1 stop
16h 19mOntario
London Heathrow
1 stop
14h 22mKLM
Cheap British Airways flights from United Kingdom to Ontario
London Heathrow
Ontario
1 stop
14h 14mOntario
London Heathrow
1 stop
12h 20mBritish Airways
London Heathrow
Ontario
1 stop
16h 02mOntario
London Heathrow
1 stop
14h 01mBritish Airways
Glasgow Intl
Ontario
2 stops
17h 07mOntario
Glasgow Intl
2 stops
16h 37mBritish Airways
Last-minute flights from United Kingdom to Ontario
Late deals on return flights to Ontario from United Kingdom, departing today and this week
London Heathrow
Ontario
1 stop
13h 42mOntario
London Heathrow
1 stop
16h 55mUnited Airlines
London Heathrow
Ontario
1 stop
13h 42mOntario
London Heathrow
1 stop
16h 40mUnited Airlines
London Heathrow
Ontario
1 stop
22h 10mOntario
London Heathrow
1 stop
16h 55mUnited Airlines
One-way flights to Ontario from United Kingdom
The cheapest one-way flights from United Kingdom to Ontario
Edinburgh Turnhouse
Ontario
2 stops
18h 21mKLM
London Heathrow
Ontario
3 stops
43h 53mMultiple Airlines
Edinburgh Turnhouse
Ontario
2 stops
18h 05mKLM
Related info for your journey
Useful info, stats and facts about United Kingdom to Ontario flights.
What airport do you fly into for flights to Ontario from United Kingdom?
Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from United Kingdom.
Which airlines flying from United Kingdom to Ontario have flexible cancellations due to COVID-19?
British Airways, KLM, and American Airlines 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 United Kingdom to Ontario for under £500 on Cheapflights?
Yes, there are multiple flights from United Kingdom to Ontario for under £500. The cheapest flight booked recently is on United Airlines for just £443, but on average you can expect to pay £489.
Are there last-minute flights available from United Kingdom to Ontario for under £600?
There are currently 20+ open flights from United Kingdom to Ontario within the next 7 days for less than £600.
What are the cheapest airlines to fly from United Kingdom to Ontario one-way?
The cheapest airlines for a one-way flight from United Kingdom to Ontario are KLM (£460), Delta (£575), and Avianca (£623).
What are the most popular routes from United Kingdom to Ontario?
While some choose either Manchester - Ontario or London Gatwick - Ontario, London Heathrow - Ontario is the most popular route from United Kingdom to Ontario.
What are the most popular airlines that fly from United Kingdom to Ontario?
Before booking your flight from United Kingdom to Ontario check out the most popular airlines for this route: American Airlines, Finnair or British Airways.
What are the cheapest flights from United Kingdom to Ontario?
On average you can expect to pay £628 for a flight from United Kingdom to Ontario. The cheapest flight overall is £584 while the most popular route, (London Heathrow - Ontario) is currently priced at £489.
Flights to Ontario from United Kingdom
Can I fly to Ontario from United Kingdom right now?
Most visitors from United Kingdom need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.
COVID-19 testing requirements
Visitors from United Kingdom must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Ontario.
Quarantine requirements
Visitors from United Kingdom are not required to quarantine after entering Ontario.
Can I fly back to United Kingdom 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 United Kingdom.
Quarantine requirements
Visitors from Ontario are not required to quarantine after entering United Kingdom.