Cheapest one-way flights from Portland to London in June from $356

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

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

One-Way flights

23 Jun Spirit Airlines
04 Jun Icelandair
26 Jun Spirit Airlines
29 Jun Spirit Airlines
20 Jun Spirit Airlines
25 Jun Alaska Airlines
16 Jun Spirit Airlines
11 Jun Hawaiian Airlines
13 Jun Alaska Airlines

Also check the deals for return 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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