Cheapest return flights from Portland to London in June from 874€

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

04 Jun - 17 Jun Icelandair
08 Jun - 15 Jun Icelandair
04 Jun - 17 Jun British Airways direct
03 Jun - 10 Jun United
13 Jun - 20 Jun United
18 Jun - 25 Jun Delta
30 Jun - 09 Jul British Airways
11 Jun - 27 Jun Virgin Atlantic
23 Jun - 30 Jun United
30 Jun - 14 Jul United
17 Jun - 05 Jul Delta
30 Jun - 09 Jul Iberia direct
28 Jun - 05 Jul United
19 Jun - 29 Jun Air Canada
11 Jun - 27 Jun British Airways direct
30 Jun - 14 Jul Alaska Airlines direct
17 Jun - 05 Jul Alaska Airlines direct

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.

Book a cheap hotel in London

Cheap car rent in London