Cheapest return flights from Portland (PDX) to London (LHR), March

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
31 Mar 07 Apr Icelandair
18 Mar 28 Mar Icelandair
01 Mar 16 Mar Icelandair
23 Mar 13 Apr Air France
17 Mar 26 Mar Air Canada
19 Mar 29 Mar Icelandair
21 Mar 29 Mar Delta
21 Mar 29 Mar British Airways
Direct Flight
19 Mar 29 Mar British Airways
Direct Flight
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deals for one-way flights from Portland to London in March.

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Updated Sep 3, 2026.

About these fares

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