Cheapest return flights from Reykjavik to Washington in December from $574

AirHint found the following cheapest return flights from Reykjavik (REK) to Washington (IAD) in December 2025 (see full year).

Return flights

18 Dec - 08 Jan Icelandair direct
19 Dec - 09 Jan Icelandair direct
19 Dec - 01 Jan Icelandair direct
10 Dec - 17 Dec Icelandair direct
18 Dec - 26 Dec Icelandair direct
19 Dec - 02 Jan British Airways

Also check the deals for one-way flights from Reykjavik to Washington in December.

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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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