AirHint found the following cheapest return flights from Paris (PAR) to Tromso (TOS) in September 2025 (see full year).

Return flights

24 Sep - 30 Sep	Wizz Air
27 Sep - 04 Oct	Air France	direct
27 Sep - 11 Oct	Air France
27 Sep - 11 Oct	Air France	direct
26 Sep - 29 Sep	Ryanair
24 Sep - 15 Oct	Norwegian
24 Sep - 28 Sep	Wizz Air
26 Sep - 28 Sep	Ryanair
22 Sep - 29 Sep	Transavia France
24 Sep - 13 Oct	Norwegian
25 Sep - 29 Sep	Norwegian
24 Sep - 09 Oct	Norwegian
25 Sep - 05 Oct	Norwegian
19 Sep - 23 Sep	easyJet
23 Sep - 13 Oct	Norwegian
23 Sep - 09 Oct	Norwegian
23 Sep - 30 Sep	Lufthansa
20 Sep - 25 Sep	Ryanair
28 Sep - 15 Oct	Norwegian
23 Sep - 24 Sep	Norwegian

Also check the deals for one-way flights from Paris to Tromso 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 Paris to Tromso in September from $159

Return flights