Popular airlines from Heathrow Airport (LHR) to Los Angeles - Ontario Intl. Airport (ONT)
- American Airlines
American Airlines
- Air France
Air France
- Delta
Delta
- Iberia
Iberia
- KLM
KLM
- Virgin Atlantic
Virgin Atlantic
- Air Canada
Air Canada
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Cheap flights from London to Ontario (LHR-ONT)
Prices were available within the past 7 days and start at €1,079 for one-way flights and €505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€505 Return, found 1 day ago
€505
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€520 Return, found 1 day ago
€520
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€525 Return, found 1 day ago
€525
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€526 Return, found 1 day ago
€526
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€526 Return, found 1 day ago
€526
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€530 Return, found 1 day ago
€530
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€531 Return, found 1 day ago
€531
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€550 Return, found 1 day ago
€550
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€574 Return, found 1 day ago
€574
Return
found 1 day ago

Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€611 Return, found 1 day ago
€611
Return
found 1 day ago
Origin airport | Heathrow |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Air Canada, Air France, American Airlines, Delta, Iberia, JetBlue Airways, KLM, United, Virgin Atlantic |
Return price | €505 |
Distance | 8655 km |
Perfect flights from London to Ontario
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Ontario. 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 Heathrow to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from €1,079 and roundtrip prices from €505. 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 Los Angeles - Ontario Intl. 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 Ontario.
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