Cheapest return flights from Portland to London in April from 434€

AirHint found the following cheapest return flights from Portland (PDX) to London (LHR) in April 2026 (see full year).

Return flights

09 Apr - 23 Apr Icelandair
09 Apr - 17 Apr Icelandair
13 Apr - 22 Apr Icelandair
27 Apr - 04 May Icelandair
13 Apr - 23 Apr Icelandair
14 Apr - 21 Apr Icelandair
13 Apr - 23 Apr British Airways direct
13 Apr - 22 Apr British Airways direct
01 Apr - 10 Apr British Airways
21 Apr - 30 Apr Delta
22 Apr - 29 Apr Delta
22 Apr - 03 May British Airways

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

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