$610 Cheap United flights Portland (PDX) to London (LHR)

View $610 flight on Mon, Aug 3, 2026Opens in a new window

$610 Cheap United flights Portland (PDX) to London (LHR)

Prices were available within the past 7 days and start at $610 for one-way flights and $968 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 8 - Fri, Aug 28
PDX
Portland
LHR
London
$968 Roundtrip, found 2 hours ago
$968
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Aug 8 from Portland to London, returning Fri, Aug 28, priced at $968 found 2 hours ago
United
Wed, Oct 7 - Wed, Oct 21
PDX
Portland
LHR
London
$992 Roundtrip, found 2 hours ago
$992
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Oct 7 from Portland to London, returning Wed, Oct 21, priced at $992 found 2 hours ago

Find the cheapest month to fly from Portland (PDX) to London (LHR)

October is typically the cheapest month to fly

From $866 - $997 per traveler.

Travel information

Origin airport
Portland Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic
Popular airline
British Airways
Distance
7839 km
Average flight time
9 hours 30 mins

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