Cheapest return flights from Oslo to Chicago in April from $355

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

Return flights

08 Apr - 15 Apr British Airways
09 Apr - 16 Apr Finnair
10 Apr - 26 Apr Icelandair
17 Apr - 24 Apr Icelandair
15 Apr - 22 Apr Icelandair
20 Apr - 27 Apr Icelandair
21 Apr - 28 Apr Icelandair
22 Apr - 29 Apr Icelandair
10 Apr - 17 Apr Icelandair
18 Apr - 25 Apr Icelandair
26 Apr - 03 May Icelandair
24 Apr - 01 May Icelandair
29 Apr - 06 May Icelandair
27 Apr - 04 May Icelandair
25 Apr - 02 May Icelandair
30 Apr - 08 May Icelandair
30 Apr - 07 May Icelandair
28 Apr - 05 May British Airways
30 Apr - 02 May Finnair

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

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