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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
19 Oct 26 Oct Icelandair
15 Oct 20 Oct Icelandair
26 Oct 06 Nov Icelandair
05 Oct 21 Oct Icelandair
28 Oct 11 Nov British Airways
03 Oct 22 Oct Icelandair
10 Oct 17 Oct Icelandair
04 Oct 20 Oct Delta
28 Oct 11 Nov American Airlines
Direct Flight
26 Oct 06 Nov American Airlines
Direct Flight
18 Oct 25 Oct Alaska Airlines
02 Oct 15 Oct Alaska Airlines
05 Oct 21 Oct British Airways
Direct Flight
17 Oct 24 Oct Delta
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deals for one-way flights from Portland to London in October.

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Updated Sep 3, 2026.

About these fares

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