Chicago (ORD) to Oslo (OSL) flight deal in economy from $421
$731 USD
-42%$421 USD
Verified 10 days agoAugust 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Friday, August 21st, 2026
6 round-trip options
Returning
Wed, Aug 26, 2026•5 Day Trip
$743 USD
Returning
Fri, Aug 28, 2026•7 Day Trip
$793 USD
Returning
Mon, Aug 31, 2026•10 Day Trip
$1,013 USD
Returning
Tue, Sep 1, 2026•11 Day Trip
$713 USD
Returning
Thu, Sep 3, 2026•13 Day Trip
$690 USD
Returning
Fri, Sep 4, 2026•14 Day Trip
$763 USD