Cheapest return flights from Portland to London in June from $853

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

Return flights

01 Jun - 14 Jun WestJet
11 Jun - 21 Jun WestJet
07 Jun - 16 Jun Icelandair
30 Jun - 19 Jul Icelandair
17 Jun - 24 Jun Alaska Airlines
22 Jun - 03 Jul Alaska Airlines
07 Jun - 15 Jun Alaska Airlines
17 Jun - 29 Jun Icelandair
19 Jun - 27 Jun Alaska Airlines

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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