Cheapest return flights from Washington to Keflavik in April from $458

Best time to book flights for Washington (DCA) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Washington (DCA) to Keflavik (KEF) in April 2025 (see full year).

Return flights

19 Apr - 26 Apr Air France
20 Apr - 27 Apr Air France
25 Apr - 29 Apr Air France
30 Apr - 08 May Air France
26 Apr - 03 May Air France
28 Apr - 05 May Air France
15 Apr - 22 Apr Delta
01 Apr - 08 Apr Virgin Atlantic
09 Apr - 16 Apr Air France
08 Apr - 12 Apr Icelandair
14 Apr - 18 Apr Air Canada
05 Apr - 07 Apr jetBlue
17 Apr - 26 Apr Air Canada

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

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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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