Cheapest return flights from Porto to Keflavik in October from 109€

AirHint found the following cheapest return flights from Porto (OPO) to Keflavik (KEF) in October 2025 (see full year).

Return flights

21 Oct - 29 Oct easyJet
25 Oct - 29 Oct easyJet
21 Oct - 26 Oct easyJet
23 Oct - 26 Oct Fly Play direct
25 Oct - 08 Nov easyJet
16 Oct - 26 Oct Fly Play direct
02 Oct - 09 Oct Fly Play direct
16 Oct - 19 Oct KLM
19 Oct - 26 Oct Fly Play direct
16 Oct - 23 Oct Fly Play direct
12 Oct - 16 Oct Ryanair
29 Oct - 02 Nov easyJet

Also check the deals for one-way flights from Porto to Keflavik in October.

Skyscanner

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 Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.