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Cheapest return flights from Portland (PDX) to London (LHR)

Overview for the next 12 months — click a month to see all dates.

All destinations from Portland (PDX)

Lowest fare by month
Month	Price
May 2026	736 €
June 2026	747 €
July 2026	757 €
August 2026	635 €
September 2026	811 €
October 2026	579 €
November 2026	Check
December 2026	Check
January 2027	Check
February 2027	Check
March 2027	Check
April 2027	762 €

deals for one-way flights from Portland to London.

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Updated May 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest return flights from Portland (PDX) to London (LHR)

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