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

Return flights

11 Sep - 14 Sep	easyJet
11 Sep - 22 Sep	easyJet
04 Sep - 14 Sep	easyJet
11 Sep - 15 Sep	easyJet
02 Sep - 16 Sep	Ryanair
18 Sep - 21 Sep	easyJet
18 Sep - 06 Oct	Norwegian	direct
26 Sep - 06 Oct	Norwegian	direct
26 Sep - 14 Oct	Norwegian	direct
26 Sep - 13 Oct	Norwegian	direct
07 Sep - 08 Sep	Ryanair
04 Sep - 08 Sep	easyJet
19 Sep - 22 Sep	easyJet
19 Sep - 21 Sep	easyJet
23 Sep - 06 Oct	Norwegian	direct
26 Sep - 12 Oct	Norwegian	direct
26 Sep - 11 Oct	Norwegian	direct
23 Sep - 14 Oct	Norwegian	direct
23 Sep - 13 Oct	Norwegian	direct
19 Sep - 06 Oct	Norwegian	direct

Also check the deals for one-way flights from Edinburgh 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 Edinburgh to Oslo in September from $143

Return flights