AirHint found the following cheapest return flights from Detroit (DTW) to Keflavik (KEF)
in March 2025 (see full year ).
Return flights
18 Mar
- 25 Mar
Spirit Airlines
$ 333
25 Mar
- 08 Apr
Spirit Airlines
$ 354
18 Mar
- 08 Apr
Spirit Airlines
$ 354
25 Mar
- 01 Apr
Spirit Airlines
$ 357
18 Mar
- 01 Apr
Spirit Airlines
$ 365
12 Mar
- 19 Mar
Spirit Airlines
$ 378
18 Mar
- 02 Apr
Spirit Airlines
$ 379
26 Mar
- 02 Apr
Spirit Airlines
$ 392
26 Mar
- 22 Apr
Spirit Airlines
$ 402
18 Mar
- 14 Apr
Spirit Airlines
$ 422
25 Mar
- 14 Apr
Spirit Airlines
$ 422
18 Mar
- 26 Mar
Spirit Airlines
$ 434
26 Mar
- 07 Apr
Spirit Airlines
$ 443
10 Mar
- 14 Mar
Spirit Airlines
$ 451
25 Mar
- 31 Mar
Spirit Airlines
$ 482
25 Mar
- 31 Mar
Icelandair
$ 539
direct
24 Mar
- 31 Mar
Icelandair
$ 549
direct
20 Mar
- 27 Mar
Spirit Airlines
$ 610
25 Mar
- 29 Mar
Spirit Airlines
$ 610
22 Mar
- 27 Mar
Frontier Airlines
$ 675
Also check the deals for one-way flights from Detroit to Keflavik in March .
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.