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

Return flights

08 Apr - 15 Apr	British Airways
15 Apr - 22 Apr	British Airways
07 Apr - 15 Apr	British Airways
08 Apr - 16 Apr	British Airways
14 Apr - 22 Apr	British Airways
15 Apr - 23 Apr	British Airways
02 Apr - 09 Apr	British Airways
09 Apr - 16 Apr	British Airways
16 Apr - 23 Apr	British Airways
03 Apr - 11 Apr	British Airways

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

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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Cheapest return flights from Houston to Keflavik in April from $655

Return flights