NZ$677 Cheap Flights Ontario to London (ONT-LHR)

View NZ$677 flight on Fri, 13 Feb 2026Opens 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 12 Feb - Mon, 23 Feb
ONT
Ontario
LHR
London
NZ$1,480 Return, found 3 days ago
NZ$1,480
Return
found 3 days ago
Select United flight, departing Thu, 12 Feb from Ontario to London, returning Mon, 23 Feb, priced at NZ$1,480 found 3 days ago
United
Thu, 12 Feb - Thu, 19 Feb
ONT
Ontario
LHR
London
NZ$1,575 Return, found 4 days ago
NZ$1,575
Return
found 4 days ago
Select United flight, departing Thu, 12 Feb from Ontario to London, returning Thu, 19 Feb, priced at NZ$1,575 found 4 days ago
United
Fri, 6 Feb - Sun, 22 Feb
ONT
Ontario
LHR
London
NZ$1,581 Return, found 2 days ago
NZ$1,581
Return
found 2 days ago
Select United flight, departing Fri, 6 Feb from Ontario to London, returning Sun, 22 Feb, priced at NZ$1,581 found 2 days ago
United
Tue, 5 May - Tue, 26 May
ONT
Ontario
LHR
London
NZ$1,686 Return, found 4 days ago
NZ$1,686
Return
found 4 days ago
Select United flight, departing Tue, 5 May from Ontario to London, returning Tue, 26 May, priced at NZ$1,686 found 4 days ago
United
Tue, 18 Aug - Wed, 21 Oct
ONT
Ontario
LHR
London
NZ$1,700 Return, found 2 days ago
NZ$1,700
Return
found 2 days ago
Select United flight, departing Tue, 18 Aug from Ontario to London, returning Wed, 21 Oct, priced at NZ$1,700 found 2 days ago
Delta
Sat, 28 Feb - Wed, 8 Apr
ONT
Ontario
LHR
London
NZ$1,736 Return, found 8 hours ago
NZ$1,736
Return
found 8 hours ago
Select Delta flight, departing Sat, 28 Feb from Ontario to London, returning Wed, 8 Apr, priced at NZ$1,736 found 8 hours ago
Flight from Ontario to London route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Heathrow
Return price
NZ$1,480
Distance
8655 km

Perfect flights from Ontario to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ontario to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Los Angeles - Ontario Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from NZ$677 and roundtrip prices from NZ$1,480. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.

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 NZ$1,480. 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.

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