Cheapest return flights from Portland to London in June from $894

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

Return flights

01 Jun - 14 Jun British Airways direct
22 Jun - 29 Jun Iberia direct
07 Jun - 27 Jun Air Canada
23 Jun - 18 Jul Air Canada
21 Jun - 11 Jul Air Canada
26 Jun - 06 Jul Icelandair
12 Jun - 29 Jun Air Canada
07 Jun - 27 Jun British Airways direct
23 Jun - 18 Jul British Airways direct
12 Jun - 29 Jun American Airlines direct
21 Jun - 11 Jul British Airways direct
26 Jun - 06 Jul British Airways direct

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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