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

Return flights

10 Jul - 23 Jul	Iberia
23 Jul - 30 Jul	British Airways
14 Jul - 21 Jul	British Airways
09 Jul - 16 Jul	British Airways
16 Jul - 23 Jul	British Airways
24 Jul - 31 Jul	British Airways
12 Jul - 19 Jul	British Airways
05 Jul - 12 Jul	British Airways
19 Jul - 26 Jul	British Airways
28 Jul - 04 Aug	Iberia
02 Jul - 09 Jul	British Airways
31 Jul - 07 Aug	British Airways
27 Jul - 03 Aug	British Airways
29 Jul - 05 Aug	British Airways
25 Jul - 01 Aug	Iberia

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Chicago to Oslo in July from 551€

Return flights