CA $460 Cheap Flights from Ontario Intl. Airport (ONT) to London (LON)

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Ontario to London Flights

The easy way to book your flights from Ontario Intl. Airport to London

With Expedia, it’s simple to find and book flights to London from Ontario Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 11 airlines that cover this route. There are nonstop flights to LON-All Airports, too.

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario Intl. Airport to London today, tomorrow, or this week.

Save dollars with cheap flights from Ontario Intl. Airport, ONT to LON-All Airports, LON

Sort your search results by price to find great deals on your flight from Ontario Intl. Airport to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Ontario Intl. Airport currently is just CA $1,144 rising to CA $1,633.

Here are more money-saving tips:

• Fly in February when flight prices are normally at their lowest
• Book about a month to 6 weeks before you travel for the best prices to London
• Avoid peak season and weekends when flights can cost more
• Early morning and late-night flights are sometimes cheaper, so try varying your travel times
• One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!

Reasons to choose Expedia for your flight to London from Ontario Intl. Airport

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today.

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 CA $1,144. 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 canceled 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 kilometers 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.