Chicago to Oslo flights (CHI–OSL) | Finnair

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Popular flights and flight offers from Chicago to Oslo

ORD – OSL

Chicago - Oslo

Thu 21 Aug 2025 – Mon 25 Aug 2025

From

511 USD

Our cheapest flights from Chicago to Oslo

ORD – OSL

Chicago - Oslo

Thu 21 Aug 2025 – Mon 25 Aug 2025

From

511 USD

Popular routes and flight deals