The Houses of Parliament and Big Ben in London, with a red double-decker bus crossing the Lambeth Bridge.

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S$933 Cheap American Airlines flights Portland (PDX) to London (LON)

Prices were available within the past 7 days and start at S$933 for one-way flights and S$1,580 for return, for the period specified. Prices and availability are subject to change.

All deals

One way

Return

Mon, 23 Nov - Tue, 8 Dec

PDX

Portland

LHR

London

S$1,580

Return

Found 3 days ago

Wed, 4 Nov - Wed, 11 Nov

PDX

Portland

LGW

London

S$2,825

Return

Found 4 days ago

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

November is typically the cheapest month to fly

From S$753 - S$1,713 per traveller.

Travel information

Origin airport	Portland International Airport
Destination airport	London
Distance	7,918 km away
Airline name	American Airlines
Airline code	AA
Return price	S$1,580

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American Airlines flights to London from Portland

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S$933 Cheap American Airlines flights Portland (PDX) to London (LON)

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

November is typically the cheapest month to flyNovember is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

November is typically the cheapest month to fly