Cheapest return flights from Washington to Keflavik in June from 528€

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 June 2025 (see full year).

Return flights

04 Jun - 11 Jun Air Canada
06 Jun - 13 Jun jetBlue
08 Jun - 15 Jun jetBlue
10 Jun - 17 Jun jetBlue
19 Jun - 26 Jun Air Canada
23 Jun - 30 Jun Air Canada
09 Jun - 16 Jun jetBlue
01 Jun - 08 Jun Air Canada
13 Jun - 20 Jun Air Canada
12 Jun - 19 Jun jetBlue
25 Jun - 02 Jul Icelandair
24 Jun - 01 Jul Icelandair
30 Jun - 07 Jul Icelandair
27 Jun - 04 Jul Air France
28 Jun - 05 Jul jetBlue
28 Jun - 12 Jul Icelandair
28 Jun - 13 Jul British Airways

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

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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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