Portland (PDX) to Oslo (OSL) flight deal in economy from $442
$829 USD
-47%$442 USD
Verified 14 days agoSeptember 2026
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Limited Availability
18% of dates checked are available within 10% of the lowest price
Wednesday, September 23rd, 2026
7 round-trip options
Returning
Mon, Sep 28, 2026•5 Day Trip
$600 USD
Returning
Tue, Sep 29, 2026•6 Day Trip
$772 USD
Returning
Thu, Oct 1, 2026•8 Day Trip
$1,353 USD
Returning
Fri, Oct 2, 2026•9 Day Trip
$765 USD
Returning
Sun, Oct 4, 2026•11 Day Trip
$815 USD
Returning
Mon, Oct 5, 2026•12 Day Trip
$593 USD
Returning
Tue, Oct 6, 2026•13 Day Trip
$623 USD