Cheapest return flights from Dallas-Fort Worth to Keflavik in May from $709

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in May 2026 (see full year).

Return flights

11 May - 18 May Spirit Airlines
09 May - 17 May Spirit Airlines
01 May - 08 May Spirit Airlines
08 May - 15 May Spirit Airlines
10 May - 17 May Spirit Airlines
02 May - 09 May Spirit Airlines
09 May - 16 May Spirit Airlines
03 May - 10 May Spirit Airlines
19 May - 26 May Spirit Airlines
20 May - 27 May Air France

Also check the deals for one-way flights from Dallas-Fort Worth to Keflavik in May.

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