Cheapest return flights from Houston to Keflavik in May from 518€

AirHint found the following cheapest return flights from Houston (HOU) to Keflavik (KEF) in May 2026 (see full year).

Return flights

01 May - 08 May jetBlue
04 May - 11 May WestJet
02 May - 09 May jetBlue
06 May - 13 May jetBlue
08 May - 15 May jetBlue
07 May - 14 May jetBlue
05 May - 12 May Lufthansa
23 May - 30 May jetBlue
03 May - 10 May Virgin Atlantic
21 May - 28 May jetBlue
29 May - 12 Jun United

Also check the deals for one-way flights from Houston to Keflavik in May.

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