Cheapest return flights from Portland to London in June from $933

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

02 Jun - 09 Jun Icelandair
10 Jun - 20 Jun Air Canada
03 Jun - 10 Jun United
15 Jun - 26 Jun WestJet
10 Jun - 20 Jun British Airways direct
06 Jun - 20 Jun Air Canada
02 Jun - 09 Jun British Airways direct
24 Jun - 01 Jul United
06 Jun - 20 Jun American Airlines direct
01 Jun - 28 Jun Air Canada
11 Jun - 30 Jun Air Canada

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

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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