AirHint found the following cheapest return flights from Madrid (MAD) to Keflavik (KEF)
in August 2025 (see full year ).
Return flights
26 Aug
- 10 Sep
Iberia Express
213 €
31 Aug
- 10 Sep
Iberia Express
213 €
26 Aug
- 09 Sep
Iberia Express
223 €
31 Aug
- 08 Sep
Iberia Express
223 €
31 Aug
- 09 Sep
Iberia Express
224 €
26 Aug
- 02 Sep
Iberia Express
224 €
31 Aug
- 21 Sep
Iberia Express
234 €
31 Aug
- 12 Sep
Iberia Express
235 €
direct
31 Aug
- 11 Sep
Iberia Express
235 €
27 Aug
- 07 Sep
Iberia Express
243 €
24 Aug
- 26 Aug
Iberia Express
258 €
19 Aug
- 26 Aug
Iberia Express
266 €
26 Aug
- 30 Aug
Iberia Express
267 €
20 Aug
- 26 Aug
Scandinavian Airlines
267 €
19 Aug
- 28 Aug
Scandinavian Airlines
277 €
19 Aug
- 27 Aug
Scandinavian Airlines
278 €
24 Aug
- 27 Aug
Iberia Express
285 €
26 Aug
- 31 Aug
Iberia Express
286 €
22 Aug
- 26 Aug
Ryanair
294 €
06 Aug
- 20 Aug
easyJet
295 €
Also check the deals for one-way flights from Madrid to Keflavik in August .
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.