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
Thursday, August 13th, 2026
6 round-trip options
Returning
Tue, Aug 18, 2026•5 Day Trip
$972 USD
Returning
Thu, Aug 20, 2026•7 Day Trip
$817 USD
Returning
Sun, Aug 23, 2026•10 Day Trip
$936 USD
Returning
Mon, Aug 24, 2026•11 Day Trip
$827 USD
Returning
Wed, Aug 26, 2026•13 Day Trip
$817 USD
Returning
Thu, Aug 27, 2026•14 Day Trip
$817 USD