Cheapest return flights from Chicago to Oslo in April from $400

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

Return flights

15 Apr - 22 Apr Scandinavian Airlines
22 Apr - 29 Apr Scandinavian Airlines
03 Apr - 10 Apr Icelandair
08 Apr - 15 Apr Icelandair
18 Apr - 25 Apr Icelandair
23 Apr - 30 Apr Icelandair
20 Apr - 27 Apr Scandinavian Airlines
28 Apr - 05 May Icelandair
19 Apr - 26 Apr British Airways
06 Apr - 13 Apr British Airways
09 Apr - 16 Apr British Airways
30 Apr - 07 May British Airways

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

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