AirHint found the following cheapest return flights from Mumbai (BOM) to Oslo (OSL) in September 2025 (see full year).

Return flights

21 Sep - 05 Oct	Kuwait Airways
18 Sep - 30 Sep	IndiGo
19 Sep - 04 Oct	IndiGo
20 Sep - 04 Oct	IndiGo
11 Sep - 20 Sep	IndiGo
15 Sep - 05 Oct	IndiGo
12 Sep - 21 Sep	IndiGo
03 Sep - 15 Sep	Turkish Airlines
02 Sep - 30 Sep	Turkish Airlines
01 Sep - 15 Sep	Turkish Airlines
01 Sep - 06 Sep	Turkish Airlines
06 Sep - 13 Sep	Turkish Airlines
01 Sep - 08 Sep	IndiGo
05 Sep - 13 Sep	Emirates

Also check the deals for one-way flights from Mumbai to Oslo in September.

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 Mumbai to Oslo in September from 459€

Return flights