Cheapest return flights from Chicago to Oslo in March from $391

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

Return flights

07 Mar - 15 Mar Scandinavian Airlines
05 Mar - 12 Mar Scandinavian Airlines
09 Mar - 16 Mar Scandinavian Airlines
04 Mar - 11 Mar Scandinavian Airlines
01 Mar - 08 Mar Scandinavian Airlines
07 Mar - 14 Mar Scandinavian Airlines
16 Mar - 23 Mar Scandinavian Airlines
24 Mar - 10 Apr Icelandair
23 Mar - 18 Apr Icelandair
06 Mar - 13 Mar Scandinavian Airlines
08 Mar - 15 Mar Scandinavian Airlines
11 Mar - 18 Mar Scandinavian Airlines
29 Mar - 05 Apr Icelandair
30 Mar - 06 Apr British Airways
25 Mar - 01 Apr British Airways

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

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