AirHint found the following cheapest return flights from Madrid (MAD) to Keflavik (KEF)
in April 2025 (see full year ).
Return flights
28 Apr
- 08 May
Fly Play
$ 228
direct
28 Apr
- 09 May
Fly Play
$ 229
direct
28 Apr
- 11 May
Fly Play
$ 243
28 Apr
- 02 May
Fly Play
$ 253
direct
26 Apr
- 08 May
Iberia Express
$ 256
05 Apr
- 07 Apr
Iberia Express
$ 284
30 Apr
- 06 May
Iberia Express
$ 287
28 Apr
- 04 May
Fly Play
$ 289
30 Apr
- 04 May
Iberia Express
$ 289
23 Apr
- 28 Apr
Iberia Express
$ 291
direct
05 Apr
- 13 Apr
Iberia Express
$ 293
05 Apr
- 14 Apr
Iberia Express
$ 293
26 Apr
- 28 Apr
Transavia France
$ 296
29 Apr
- 04 May
Ryanair
$ 299
14 Apr
- 24 Apr
Ryanair
$ 307
05 Apr
- 10 Apr
Iberia Express
$ 308
23 Apr
- 30 Apr
Iberia Express
$ 310
25 Apr
- 28 Apr
Ryanair
$ 311
19 Apr
- 27 Apr
Transavia France
$ 315
26 Apr
- 06 May
Ryanair
$ 315
Also check the deals for one-way flights from Madrid to Keflavik in April .
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.