Cheapest return flights from Portland to London in July from $609

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

Return flights

28 Jul - 28 Aug Lufthansa
21 Jul - 15 Aug British Airways direct
11 Jul - 01 Aug Air Canada
07 Jul - 01 Aug Air Canada
19 Jul - 26 Jul Iberia
08 Jul - 01 Aug Lufthansa
05 Jul - 25 Jul Delta
06 Jul - 01 Aug Virgin Atlantic
19 Jul - 26 Jul British Airways direct
05 Jul - 25 Jul British Airways direct
06 Jul - 01 Aug British Airways direct
07 Jul - 01 Aug British Airways direct
08 Jul - 01 Aug British Airways direct
17 Jul - 08 Aug Air Canada
04 Jul - 25 Jul Air Canada
16 Jul - 25 Jul Delta
04 Jul - 25 Jul British Airways direct
16 Jul - 25 Jul American Airlines direct
02 Jul - 19 Jul Air Canada
02 Jul - 19 Jul British Airways direct

Also check the deals for one-way flights from Portland to London in July.

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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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