You know where to go
Select an airport in the search form
You don't know where to go
See where you can go on your budget
Cheap flights from Ontario to London
Round-trip
Economy
Flight information for Ontario to London
(ONT to LON)
Find info about flight duration, direct flights, and airports for your flight from Ontario to London
| Best Price Found | $840 | The best flight deal from Ontario to London found on momondo in the last 72 hours is $840 |
| Fastest flight time | 13h 10m | The fastest flight from Ontario to London takes 13h 10m |
| Direct flights | None | There are no direct flights from Ontario to London. Popular non-direct routes for this connection are Ontario - London Heathrow, Ontario - London City and Ontario - London Gatwick. |
| Airports in London | 6 airports | There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN) |
How to get the cheapest flight ticket from Ontario to London
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 from Ontario to London?
August
The cheapest time of year to fly to London from Ontario is August. Most expensive is June
What is the cheapest day to depart Ontario for London?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
When is the cheapest time to fly from Ontario to London?
in the evening
Ontario to London flights are approximately 14% more expensive at noon than in the evening
What is the cheapest airline that flies to London from Ontario?
Delta
Delta, KLM, and American Airlines are the most popular carriers operating from Ontario to London
What is the cheapest Ontario to London flight route?
Ontario - London Heathrow
Fly from Ontario to London Heathrow for the best Ontario - London flight prices
How far in advance should you book Ontario to London flights?
53 days before
The cheapest time to buy a flight from Ontario to London is approximately 53 days to departure
60
Days before departure
0
Easily compare round-trip flights from Ontario to London
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to London by changing tabs
American Airlines![American Airlines]()
Oct 4![American Airlines]()
Oct 12
12:49 pmOntario
12h 26m
1 stop
1:15 amLondon Heathrow
4:40 amLondon Heathrow
14h 59m
1 stop
7:39 pmOntario
Delta![Delta]()
Sep 29![Delta]()
Oct 13
7:15 amOntario
13h 10m
1 stop
8:25 pmLondon Heathrow
7:15 amLondon Heathrow
14h 19m
1 stop
9:34 pmOntario
Find the cheapest one-way flights from Ontario to London
If you're looking for one-way flights from Ontario to London, view some of our deals below provided by American Airlines and British Airways
Best airlines flying from Ontario to London
Compare and see reviews for airlines that fly from Ontario to London with momondo
AirlineFree CancellationPrice
PriceFrom $350
Free Cancellation
Reviews
Pros: Just expect the bare basics: - thin lightweight seats without adjustment - Limited legroom - no entertainment - pay for food and drinks Attentive crew.
Cons: Boarding staff was rude Bus transport from plane to terminal
1 / 6
PriceFrom $366
Free Cancellation
Reviews
Pros: Entertainment
Cons: The seat space/leg room is tiny. I found it impossible to fall asleep, being in the middle of a row of three with two "big" people in either side.
1 / 8
PriceFrom $374
Free Cancellation
Reviews
Pros: I appreciate the choice of snacks.
Cons: The coffee served on the flight was lukewarm.
1 / 9
PriceFrom $379
Free Cancellation
Reviews
Pros: It was meh....
Cons: I got no notification that the flight was going to be 1 hour earlier
1 / 6
PriceFrom $453
Free Cancellation
Reviews
Pros: I've never been on a flight with such narrow seat and thin cushion. There was no entertainment offered for the almost 4 hour flight. There was no means of charging any electronic gears. The airplane seems to be 30 years behind time. Crew was unfriendly and smiling faces are not part of the uniform.
Cons: Very narrow seats and thim cushion. No entertainment offered an do means of recharging electronic devices.
1 / 2
Which airlines flying from Ontario to London have COVID-19 safety policies in place?
Delta has implemented additional safety measures to accommodate travelers. Usage of HEPA filters, scheduled sanitation, enhanced cleaning of aircrafts, pre-flight testing, and mask policies are some of the implemented practices made by airlines to help keep you safe as you depart from Ontario to London. Keep in mind that policies will vary by airline.
Are airlines flying from Ontario to London offering flexible cancellation due to COVID-19?
Due to the global impact of COVID-19, some of our airline partners operating flights from Ontario to London, such as American Airlines, British Airways, and United Airlines may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.