Cheapest return flights from Portland to London in April from 647€

Best time to book flights for Portland (PDX) to London (LHR) flights at AirHint

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

Return flights

29 Apr - 21 May Air Canada
02 Apr - 10 Apr Finnair direct
29 Apr - 21 May British Airways direct
04 Apr - 11 Apr British Airways direct
03 Apr - 11 Apr British Airways direct
17 Apr - 02 May Delta
17 Apr - 02 May British Airways direct
05 Apr - 12 Apr Virgin Atlantic
05 Apr - 12 Apr Iberia direct
06 Apr - 11 Apr Icelandair
06 Apr - 11 Apr Iberia direct
13 Apr - 18 Apr Delta
13 Apr - 18 Apr American Airlines direct

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

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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