Cheapest return flights from Keflavik to Warsaw in May from $385

Best time to book flights for Keflavik (KEF) to Warsaw (WMI) flights at AirHint

AirHint found the following cheapest return flights from Keflavik (KEF) to Warsaw (WMI) in May 2025 (see full year).

Return flights

25 May - 12 Jun Fly Play
26 May - 02 Jun Fly Play
25 May - 29 May Fly Play
18 May - 21 May Fly Play
24 May - 31 May SWISS
14 May - 21 May Fly Play
30 May - 15 Jun Fly Play
30 May - 30 May Fly Play
11 May - 14 May Fly Play
23 May - 25 May Fly Play
15 May - 22 May Fly Play
22 May - 28 May easyJet
11 May - 13 May Scandinavian Airlines
28 May - 04 Jun Fly Play

Also check the deals for one-way flights from Keflavik to Warsaw in May.

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 Warsaw

Cheap car rent in Warsaw