Cheap Flights from London to Ontario, CA from $366
On Cheapflightsplus.com you will find 770 connecting flights from London to Ontario. You can compare airfare deals from 28 airlines and multiple travel sites from $366, book and save on cheap plane tickets and last minute offers. Also check out LON-ONT flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from London to Ontario depends on and how to choose the most interesting flight option for you.
Distance between London and Ontario is 8723 miles. Time difference between the cities is 8h. Airplanes depart 06:00 to 22:30 from 10 London airports and arrive 06:00 to 22:30 to 2 Ontario airports. Average flight time is 26h 36m.
- The fastest flight 13h 21m
- Average flight time 26h 36m
- The earliest flight 06:00
- The latest flight 22:30
- Distance 5421 ml
Best Flights from London to Ontario Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $425 | 11:15 London Heathrow | 16:36 Ontario Ontario Int. | 13h 21m layover 1h 0m - Phoenix | British Airways | BA1526 BA6916 |
from $532 | 15:10 London Heathrow | 22:10 Ontario Ontario Int. | 15h 0m layover 1h 50m - Dallas | British Airways | BA1573 BA2431 |
from $366 | 14:00 London Gatwick | 23:36+1 день Ontario Ontario Int. | 41h 36m layover 13h 0m - Orlando 11h 43m - San Francisco | Z0 | Z0783 F91645 F92678 |
from $402 | 11:35 London Gatwick | 22:48 Ontario Ontario Int. | 19h 13m layover 1h 0m - Madrid 1h 38m - Dallas | British Airways | BA7195 BA4299 BA2433 |
The cheapest months to travel to Ontario are may (from 366 $), june (from 385 $), august (from 402 $).
The most expensive months are december (from 3 759 $), november (from 3 700 $), february (from 1 853 $).
What is the lowest airfare London to Ontario?
The cheapest plane ticket found by our users is $366. This airfare is for economy class on one-way Z0783 flight by Z0 for May 29, 2025 which leaves Gatwick in London at 14:00 am and arrives at Ontario Ontario Int. at 23:36.
Flight Schedule London to Ontario (California)
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Popular Airlines on the Route
The flight London — Ontario is served by 28 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by Wizz Air UK - 8 departures per week at the price of from $ 889 . And the most expensive tickets are offered by Air Canada airline - from $ 6033.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 770 flights with layovers on the route. The fastest connecting flight is BA1526 by British Airways takes 13h 21m and the cheapest is Z0783 by Z0 for $366.
- W9 - Wizz Air UKfrom $889Find
- VY - Vuelingfrom $421Find
- FI - Icelandairfrom $689Find
- UA - United Airlinesfrom $1046Find
- LX - SWISS International Air Linesfrom $1667Find
- Z0 - Z0from $366Find
- SK - SASfrom $650Find
- OG - Air Onixfrom $683Find
- IB - Iberiafrom $586Find
- SN - Brussels Airlinesfrom $1773Find
- WS - WestJetfrom $727Find
- KL - KLMfrom $593Find
Airports
You can fly from London to Ontario from 10 airports (London City, London-Waterloo, Heathrow, Luton, British Rail Terminal, London Biggin Hill, Stansted, Gatwick, Ebbsfleet International Rail St, Stratford International Rail St).
London airports
- London City-LCYfrom $877Find
- London-Waterloo-QQWFind
- Heathrow-LHRfrom $405Find
- Luton-LTNfrom $1930Find
- British Rail Terminal-ZLXFind
- London Biggin Hill-BQHFind
- Stansted-STNfrom $683Find
- Gatwick-LGWfrom $366Find
- Ebbsfleet International Rail St-XQEFind
- Stratford International Rail St-XOFFind
Ontario airports
- Ontario Int.-ONTFind
- International Heliport-JIOFind
Airplanes
There are flights to Ontario from London by 28 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top International Destinations from London
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
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- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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