Cheapest return flights from Washington to Keflavik in January from $634

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 January 2025 (see full year).

Return flights

30 Jan - 02 Feb British Airways
30 Jan - 06 Feb jetBlue
23 Jan - 30 Jan British Airways
25 Jan - 01 Feb British Airways
31 Jan - 07 Feb jetBlue
25 Jan - 29 Jan Air Canada
24 Jan - 26 Jan Air Canada
24 Jan - 27 Jan Air Canada
23 Jan - 25 Jan Air Canada
22 Jan - 27 Jan Air Canada
25 Jan - 27 Jan Air Canada

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

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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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