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
Tuesday, August 18th, 2026
6 round-trip options
Returning
Sun, Aug 23, 2026•5 Day Trip
$818 USD
Returning
Tue, Aug 25, 2026•7 Day Trip
$671 USD
Returning
Fri, Aug 28, 2026•10 Day Trip
$743 USD
Returning
Sat, Aug 29, 2026•11 Day Trip
$783 USD
Returning
Mon, Aug 31, 2026•13 Day Trip
$927 USD
Returning
Tue, Sep 1, 2026•14 Day Trip
$663 USD