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Flights from Ontario Intl. Airport (ONT) to Heathrow Airport (LHR)
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England
United Kingdom
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Popular airlines from Ontario Intl. Airport (ONT) to Heathrow Airport (LHR)

Alaska Airlines
British Airways
Delta
United
Iberia
American Airlines
Air Canada

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Cheap Flights from Ontario to London (ONT-LHR)

Prices were available within the past 7 days and start at NT$15,912 for one-way flights and NT$31,671 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$31,671

Roundtrip

Found 2 days ago

Select Delta flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$31,671 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$32,126

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$32,126 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$32,577

Roundtrip

Found 2 days ago

Select Delta flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$32,577 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$32,617

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$32,617 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$32,809

Roundtrip

Found 2 days ago

Select Delta flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$32,809 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$32,887

Roundtrip

Found 2 days ago

Select KLM flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$32,887 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$33,025

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$33,025 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$33,096

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$33,096 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$34,323

Roundtrip

Found 2 days ago

Select Air France flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$34,323 Found 2 days ago

Sat, Sep 5 - Fri, Sep 18

ONT

Ontario

LHR

London

NT$38,113

Roundtrip

Found 2 days ago

Select American Airlines flight, departing Sat, Sep 5 from Ontario to London, returning Fri, Sep 18, priced at NT$38,113 Found 2 days ago

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

February is typically the cheapest month to fly

From NT$19,268 - NT$31,955 per traveler.

Travel information

Origin airport	Ontario Intl. Airport
Destination airport	Heathrow Airport
Distance	8,706 km away
Airlines serving	Alaska Airlines, British Airways, Delta, United, Iberia, American Airlines, Air Canada, JetBlue Airways, KLM, Virgin Atlantic, Air France, Icelandair
Popular airline	Alaska Airlines
Roundtrip price	NT$31,671

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NT$15,912 Cheap Flights from Ontario Intl. Airport (ONT) to London (LHR)

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

Be in the know

Book smarter

Earn twice

Cheap Flights from Ontario to London (ONT-LHR)

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

February is typically the cheapest month to flyFebruary is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

February is typically the cheapest month to fly