AirHint found the following cheapest return flights from Miami (MIA) to Keflavik (KEF)
in May 2025 (see full year ).
Return flights
08 May
- 16 May
Spirit Airlines
$ 455
11 May
- 19 May
Spirit Airlines
$ 455
07 May
- 15 May
Spirit Airlines
$ 456
05 May
- 13 May
Spirit Airlines
$ 457
06 May
- 14 May
Spirit Airlines
$ 457
12 May
- 20 May
Spirit Airlines
$ 457
05 May
- 12 May
Spirit Airlines
$ 486
01 May
- 08 May
Spirit Airlines
$ 512
02 May
- 09 May
Spirit Airlines
$ 519
10 May
- 17 May
Spirit Airlines
$ 519
21 May
- 10 Jun
Spirit Airlines
$ 542
27 May
- 03 Jun
Spirit Airlines
$ 543
28 May
- 04 Jun
Spirit Airlines
$ 566
27 May
- 04 Jun
Spirit Airlines
$ 575
28 May
- 05 Jun
Frontier Airlines
$ 596
26 May
- 03 Jun
Spirit Airlines
$ 619
25 May
- 02 Jun
Spirit Airlines
$ 629
24 May
- 01 Jun
Spirit Airlines
$ 634
14 May
- 05 Jun
Spirit Airlines
$ 665
20 May
- 11 Jun
Spirit Airlines
$ 668
Also check the deals for one-way flights from Miami to Keflavik in May .
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.
