AirHint found the following cheapest return flights from Porto (OPO) to Budapest (BUD) in September 2025 (see full year).

Return flights

21 Sep - 10 Oct	Ryanair	direct
21 Sep - 26 Sep	Ryanair	direct
21 Sep - 03 Oct	Ryanair	direct
19 Sep - 26 Sep	Ryanair	direct
03 Sep - 09 Sep	easyJet
22 Sep - 26 Sep	Wizz Air Malta
19 Sep - 03 Oct	Ryanair	direct
12 Sep - 26 Sep	Ryanair	direct
14 Sep - 26 Sep	Ryanair	direct
14 Sep - 03 Oct	Ryanair	direct
17 Sep - 22 Sep	easyJet
28 Sep - 10 Oct	Ryanair	direct
29 Sep - 04 Oct	easyJet
21 Sep - 23 Sep	easyJet
19 Sep - 21 Sep	Ryanair	direct
07 Sep - 26 Sep	Ryanair	direct
21 Sep - 05 Oct	Ryanair	direct
19 Sep - 05 Oct	Ryanair	direct
26 Sep - 10 Oct	Ryanair	direct
28 Sep - 05 Oct	Ryanair	direct

Also check the deals for one-way flights from Porto to Budapest 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.

Book a cheap hotel in Budapest

Cheap car rent in Budapest

Cheapest return flights from Porto to Budapest in September from 123€

Return flights