Cheapest return flights from Austin to Keflavik in April from 409€

AirHint found the following cheapest return flights from Austin (AUS) to Keflavik (KEF) in April 2026 (see full year).

Return flights

22 Apr - 29 Apr Spirit Airlines
29 Apr - 06 May Spirit Airlines
02 Apr - 09 Apr Frontier Airlines
15 Apr - 22 Apr Finnair
07 Apr - 14 Apr Finnair
16 Apr - 23 Apr Air France
08 Apr - 15 Apr Spirit Airlines
03 Apr - 10 Apr Spirit Airlines
23 Apr - 30 Apr Spirit Airlines
17 Apr - 24 Apr Spirit Airlines
06 Apr - 13 Apr Frontier Airlines

Also check the deals for one-way flights from Austin to Keflavik in April.

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