Cheapest return flights from Oslo to Chicago in March from $519

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

Return flights

06 Mar - 09 Mar British Airways
18 Mar - 25 Mar British Airways
17 Mar - 24 Mar Finnair
31 Mar - 06 Apr KLM
24 Mar - 31 Mar KLM
15 Mar - 19 Mar Lufthansa
31 Mar - 05 Apr KLM
11 Mar - 18 Mar British Airways
31 Mar - 07 Apr KLM
09 Mar - 16 Mar Lufthansa
30 Mar - 06 Apr Lufthansa
29 Mar - 06 Apr Ethiopian Airlines
10 Mar - 17 Mar KLM
12 Mar - 19 Mar British Airways
25 Mar - 01 Apr KLM
23 Mar - 30 Mar Finnair
29 Mar - 05 Apr KLM
28 Mar - 06 Apr Ethiopian Airlines
26 Mar - 02 Apr KLM
27 Mar - 05 Apr Scandinavian Airlines

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

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