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
Sunday, September 6th, 2026
7 round-trip options
Returning
Fri, Sep 11, 2026•5 Day Trip
$469 USD
Returning
Sat, Sep 12, 2026•6 Day Trip
$952 USD
Returning
Mon, Sep 14, 2026•8 Day Trip
$630 USD
Returning
Tue, Sep 15, 2026•9 Day Trip
$600 USD
Returning
Thu, Sep 17, 2026•11 Day Trip
$1,123 USD
Returning
Fri, Sep 18, 2026•12 Day Trip
$745 USD
Returning
Sat, Sep 19, 2026•13 Day Trip
$756 USD