Cheapest return flights from Portland to London in July from $763

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

Return flights

31 Jul - 14 Aug Icelandair
18 Jul - 25 Jul Icelandair
23 Jul - 30 Jul Icelandair
28 Jul - 04 Aug Icelandair
08 Jul - 15 Jul Icelandair
30 Jul - 02 Aug Icelandair
13 Jul - 22 Jul Air Canada
13 Jul - 20 Jul Virgin Atlantic
13 Jul - 20 Jul British Airways direct
03 Jul - 18 Jul Virgin Atlantic
03 Jul - 10 Jul Icelandair
30 Jul - 02 Aug Iberia direct

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

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