AirHint found the following cheapest return flights from Chicago (MDW) to Oslo (OSL) in June 2026 (see full year).
Return flights
| 18 Jun - 11 Jul | Porter Airlines (Canada) Ltd | ||
| 14 Jun - 23 Jun | Delta | ||
| 01 Jun - 15 Jun | Southwest Airlines |
Also check the deals for one-way flights from Chicago to Oslo in June.
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