Chicago (ORD) to Oslo (OSL) flight deal in economy from $421
$731 USD
-42%$421 USD
Verified 10 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
9% of dates checked are available within 10% of the lowest price
Tuesday, August 25th, 2026
6 round-trip options
Returning
Sun, Aug 30, 2026•5 Day Trip
$783 USD
Returning
Tue, Sep 1, 2026•7 Day Trip
$663 USD
Returning
Fri, Sep 4, 2026•10 Day Trip
$713 USD
Returning
Sat, Sep 5, 2026•11 Day Trip
$713 USD
Returning
Mon, Sep 7, 2026•13 Day Trip
$1,308 USD
Returning
Tue, Sep 8, 2026•14 Day Trip
$963 USD