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
Wednesday, August 19th, 2026
6 round-trip options
Returning
Mon, Aug 24, 2026•5 Day Trip
$709 USD
Returning
Wed, Aug 26, 2026•7 Day Trip
$693 USD
Returning
Sat, Aug 29, 2026•10 Day Trip
$783 USD
Returning
Sun, Aug 30, 2026•11 Day Trip
$783 USD
Returning
Tue, Sep 1, 2026•13 Day Trip
$663 USD
Returning
Wed, Sep 2, 2026•14 Day Trip
$663 USD