Cheapest one-way flights from Portland to London in July from $219

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

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

One-Way flights

25 Jul Icelandair
28 Jul Icelandair
29 Jul Frontier Airlines
11 Jul Icelandair
08 Jul Hawaiian Airlines
27 Jul British Airways direct
28 Jul British Airways direct
29 Jul British Airways direct
25 Jul British Airways direct
19 Jul British Airways direct

Also check the deals for return flights from Portland to London in July.

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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