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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
25 Aug 09 Sep Icelandair
19 Aug 26 Aug Icelandair
22 Aug 30 Aug Icelandair
22 Aug 29 Aug Icelandair
21 Aug 28 Aug Icelandair
15 Aug 23 Aug Icelandair
16 Aug 23 Aug Icelandair
21 Aug 29 Aug Icelandair
01 Aug 31 Aug Icelandair
08 Aug 30 Aug Icelandair
19 Aug 26 Aug British Airways
Direct Flight
12 Aug 06 Sep Virgin Atlantic
25 Aug 06 Sep Icelandair
29 Aug 05 Sep Icelandair
13 Aug 01 Sep Delta
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deals for one-way flights from Portland to London in August.

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Updated May 21, 2026.

About these fares

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