Cheapest return flights from Keflavik to Bucharest in December from $340

AirHint found the following cheapest return flights from Keflavik (KEF) to Bucharest (OTP) in December 2025 (see full year).

Return flights

20 Dec - 10 Jan Transavia France

Also check the deals for one-way flights from Keflavik to Bucharest in December.

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 Bucharest

Cheap car rent in Bucharest

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