Cheapest return flights from Portland to Oslo in January from 572€

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

Return flights

15 Jan - 07 Feb Hawaiian Airlines
05 Jan - 31 Jan Lufthansa

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

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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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