Cheapest one-way flights from Washington to Keflavik in August from 334€

AirHint found the following cheapest one-way flights from Washington (IAD) to Keflavik (KEF) in August 2026 (see full year).

One-Way flights

16 Aug Air Canada
03 Aug Air Canada
02 Aug Air Canada
10 Aug TAP
16 Aug Icelandair direct
06 Aug Lufthansa
02 Aug Icelandair direct
10 Aug Icelandair direct
06 Aug Icelandair direct

Also check the deals for return flights from Washington to Keflavik in August.

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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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