Cheapest return flights from Portland to London in June from $722

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

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

Return flights

08 Jun - 13 Jun Frontier Airlines
02 Jun - 17 Jun Icelandair
09 Jun - 23 Jun Spirit Airlines
01 Jun - 10 Jun Frontier Airlines
01 Jun - 21 Jun Spirit Airlines
16 Jun - 27 Jun Spirit Airlines
22 Jun - 29 Jun Spirit Airlines
30 Jun - 14 Jul jetBlue
21 Jun - 08 Jul Spirit Airlines
25 Jun - 02 Jul Hawaiian Airlines
12 Jun - 26 Jun jetBlue
13 Jun - 05 Jul Spirit Airlines
11 Jun - 30 Jun jetBlue
17 Jun - 05 Jul jetBlue

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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