Cheapest return flights from Oslo to Chicago in August from $513

AirHint found the following cheapest return flights from Oslo (OSL) to Chicago (ORD) in August 2026 (see full year).

Return flights

28 Aug - 04 Sep Finnair
20 Aug - 27 Aug Finnair
29 Aug - 05 Sep British Airways
27 Aug - 03 Sep Finnair
25 Aug - 01 Sep British Airways
26 Aug - 02 Sep British Airways
24 Aug - 31 Aug KLM
18 Aug - 25 Aug Air France
23 Aug - 30 Aug Finnair
17 Aug - 24 Aug Air France
11 Aug - 18 Aug KLM
19 Aug - 26 Aug Air France
30 Aug - 06 Sep Icelandair
22 Aug - 29 Aug Icelandair
21 Aug - 28 Aug Finnair
06 Aug - 13 Aug British Airways

Also check the deals for one-way flights from Oslo to Chicago in August.

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