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
Monday, August 3rd, 2026
6 round-trip options
Returning
Sat, Aug 8, 2026•5 Day Trip
$1,189 USD
Returning
Mon, Aug 10, 2026•7 Day Trip
$1,204 USD
Returning
Thu, Aug 13, 2026•10 Day Trip
$1,139 USD
Returning
Fri, Aug 14, 2026•11 Day Trip
$1,277 USD
Returning
Sun, Aug 16, 2026•13 Day Trip
$1,401 USD
Returning
Mon, Aug 17, 2026•14 Day Trip
$972 USD