Cheapest return flights from Portland to London in June from $825

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

05 Jun - 18 Jun Icelandair
01 Jun - 14 Jun Icelandair
13 Jun - 24 Jun Spirit Airlines
12 Jun - 17 Jun Hawaiian Airlines
11 Jun - 30 Jun jetBlue
16 Jun - 27 Jun Alaska Airlines
11 Jun - 23 Jun Hawaiian Airlines
24 Jun - 15 Jul Condor
01 Jun - 21 Jun jetBlue
02 Jun - 17 Jun Icelandair
29 Jun - 06 Jul Finnair
30 Jun - 07 Jul British Airways
30 Jun - 14 Jul Finnair
26 Jun - 03 Jul British Airways
27 Jun - 06 Jul Condor
28 Jun - 05 Jul British Airways
20 Jun - 27 Jun British Airways
17 Jun - 05 Jul American 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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