Cheapest return flights from Portland to London in October from 448€

AirHint found the following cheapest return flights from Portland (PDX) to London (LHR) in October 2025 (see full year).

Return flights

01 Oct - 15 Oct Icelandair
22 Oct - 28 Oct Virgin Atlantic
15 Oct - 24 Oct Delta
01 Oct - 15 Oct British Airways direct
15 Oct - 22 Oct British Airways direct
15 Oct - 24 Oct British Airways direct
28 Oct - 04 Nov British Airways
10 Oct - 07 Nov Virgin Atlantic
09 Oct - 06 Nov KLM
27 Oct - 10 Nov Icelandair
27 Oct - 02 Nov Icelandair
03 Oct - 21 Oct Virgin Atlantic
13 Oct - 27 Oct Delta
23 Oct - 29 Oct Delta
03 Oct - 21 Oct British Airways direct
27 Oct - 10 Nov British Airways direct
27 Oct - 02 Nov British Airways direct
10 Oct - 07 Nov British Airways direct
13 Oct - 01 Nov Delta

Also check the deals for one-way flights from Portland to London in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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