£246 Cheap Flights from Ontario Intl. Airport (ONT) to London (LON)
Popular airlines from Ontario Intl. Airport (ONT) to London
British AirwaysBritish Airways
Alaska AirlinesAlaska Airlines
UnitedUnited
American AirlinesAmerican Airlines
IberiaIberia
Air CanadaAir Canada
DeltaDelta
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Cheap Flights from Ontario to London (ONT-LON)
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Compare flights from Ontario Intl. Airport to London easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ontario Intl. Airport to London. Operating between them flights per day, 11 airlines cover the route. And fly direct, getting you to London in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ontario Intl. Airport to London.
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Ontario Intl. Airport (ONT) to London (LON)
The easiest way to view the best deals on flights from Ontario Intl. Airport to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ontario Intl. Airport to London start at just £600 and range up to £760.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Ontario Intl. Airport and London
- booking your flight during March, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Ontario Intl. Airport to London flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ontario Intl. Airport to London for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
Frequently Asked Questions
How much is a flight from Ontario Airport to London (LON-All Airports)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from Los Angeles - Ontario Intl. Airport (ONT) to London (LON-All Airports) was £600. Fares this good don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to London (LON-All Airports)?
The majority of flights can be cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from ONT to London (LON-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ONT to London (LON-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ONT to London (LON-All Airports)?
With a flight distance of 8,700 kilometres from Ontario Airport (ONT) to London (LON-All Airports) (LON), this is a long-haul journey. Remember to keep well hydrated and get up to stretch your legs from time to time.
Which airlines fly direct from Ontario Airport to London (LON-All Airports)?
You won't find any airlines operating directly between Ontario Airport and London (LON-All Airports), so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are Los Angeles - Ontario Intl. Airport (ONT) to London (LON-All Airports) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some super cheap fares from ONT to London (LON-All Airports) popping up a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance.
Travel information
Origin airport | Ontario Intl. Airport |
|---|---|
Destination airport | London City Airport |
Distance | 5,424 miles away |
Airlines serving | Delta, KLM |
Popular airline | Delta |
Return price | £600 |