Cheapest return flights from Portland to London in March from 552€

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 March 2025 (see full year).

Return flights

04 Mar - 12 Mar Iberia direct
02 Mar - 18 Mar Iberia
02 Mar - 18 Mar Finnair direct
23 Mar - 02 Apr Delta
23 Mar - 09 Apr Delta
19 Mar - 02 Apr Delta
25 Mar - 01 Apr Virgin Atlantic
26 Mar - 17 Apr Delta
09 Mar - 16 Mar Iberia direct
30 Mar - 07 Apr Iberia
11 Mar - 18 Mar United
19 Mar - 26 Mar United
16 Mar - 31 Mar Iberia
26 Mar - 05 Apr Iberia
30 Mar - 07 Apr British Airways direct
13 Mar - 20 Mar United
17 Mar - 24 Mar United
29 Mar - 06 Apr Iberia
31 Mar - 07 Apr United
18 Mar - 28 Mar United

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

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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