Cheapest return flights from Houston to Keflavik in March from 509€

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

Return flights

25 Mar - 02 Apr Finnair
30 Mar - 07 Apr Finnair
23 Mar - 31 Mar Lufthansa
29 Mar - 06 Apr Virgin Atlantic
03 Mar - 10 Mar Finnair
22 Mar - 30 Mar British Airways
19 Mar - 27 Mar jetBlue
28 Mar - 05 Apr Finnair
27 Mar - 04 Apr Finnair
06 Mar - 13 Mar jetBlue
09 Mar - 16 Mar jetBlue
26 Mar - 03 Apr jetBlue
08 Mar - 15 Mar jetBlue
13 Mar - 21 Mar jetBlue
21 Mar - 29 Mar jetBlue
04 Mar - 11 Mar jetBlue

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

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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.

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