Cheapest return flights from Portland to London in June from 944€

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 June 2025 (see full year).

Return flights

07 Jun - 17 Jun Icelandair
07 Jun - 14 Jun Icelandair
07 Jun - 15 Jun Icelandair
12 Jun - 19 Jun United
10 Jun - 10 Jul Air Canada
07 Jun - 17 Jun Finnair direct
16 Jun - 30 Jun Air Canada
20 Jun - 03 Jul Air Canada
28 Jun - 17 Jul Air Canada
07 Jun - 15 Jun British Airways direct
05 Jun - 23 Jun Air Canada
10 Jun - 10 Jul British Airways direct
07 Jun - 14 Jun British Airways direct
20 Jun - 03 Jul British Airways direct
05 Jun - 23 Jun Iberia direct
28 Jun - 17 Jul British Airways direct

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

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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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