Cheapest return flights from Portland to Oslo in March from 667€

Best time to book flights for Portland (PDX) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest return flights from Portland (PDX) to Oslo (OSL) in March 2025 (see full year).

Return flights

07 Mar - 19 Mar British Airways
21 Mar - 28 Mar British Airways

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

Book a cheap hotel in Oslo

Cheap car rent in Oslo