₹37,162 Cheap Flights from Ontario (ONT) to London (LHR)

View ₹37,162 flight on Tue, 4 Nov 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Heathrow Airport (LHR)

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Cheap Flights from Ontario (ONT) to London (LHR)

Prices were available within the past 7 days and start at ₹37,162 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Ontario (ONT) to London (LHR)

September is typically the cheapest month to fly

From ₹46,856 - ₹93,312 per traveller.

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Heathrow Airport (LHR)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey from Ontario Airport to Heathrow Airport was . Cheap tickets don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to Heathrow Airport (LHR)?
This varies between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Ontario Airport to London Heathrow 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 Los Angeles - Ontario Intl. Airport (ONT) to Heathrow Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ONT to Heathrow Airport?
With a flight distance of 8,700 kilometres between Ontario and Hounslow, this is a long-haul trip. Make sure you keep well hydrated and move your legs every now and then.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to LHR?
At present, no airlines offer flights directly from Ontario Airport to London Heathrow. You'll have to book a flight with one or more stops. To score the best price and connections, lock in your airfare ahead of time.
Are Los Angeles - Ontario Intl. Airport (ONT) to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so there are no guarantees. While last-minute deals between Ontario Airport and Heathrow Airport are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some air carriers publicize their prices up to a year prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to pounce when the price is right.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Heathrow
Distance
8655 km

Book with confidence

Los Angeles to London Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Los Angeles to London will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring London.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ONT to LHR flights that won’t make your bank account wince. Ready to temporarily leave behind Los Angeles for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LHR with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Los Angeles to London Flights

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Ontario Airports

Los Angeles

Los Angeles Intl. to London
₹42,695.00
*Available to Expedia members.