$512 Cheap Flights from Portland (PDX) to London (LHR)

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Cheap Flights from Portland Intl. to Heathrow

Prices were available within the past 7 days and starts at $512 for one-way flights and $638 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Icelandair
Brussels Airlines
American Airlines
Finnair
Iberia
British Airways
TAP Portugal
Lufthansa
Virgin Atlantic
Delta
British Airways
American Airlines
Finnair
Iberia
United
Air Canada
Aer Lingus
JetBlue Airways
Scandinavian Airlines