Cheapest return flights from Portland to London in January from $550

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

Return flights

07 Jan - 14 Jan British Airways
27 Jan - 03 Feb British Airways
12 Jan - 19 Jan British Airways direct
22 Jan - 29 Jan British Airways
16 Jan - 07 Feb Air Canada
17 Jan - 24 Jan British Airways
02 Jan - 09 Jan British Airways

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

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.