Cheapest return flights from Washington to Keflavik in April from 520€

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

08 Apr - 15 Apr Delta
21 Apr - 30 Apr Delta
30 Apr - 07 May jetBlue
25 Apr - 01 May Air France
23 Apr - 04 May Air France
24 Apr - 27 Apr Air France
15 Apr - 23 Apr Air France
04 Apr - 07 Apr Air France
09 Apr - 15 Apr Icelandair
23 Apr - 26 Apr Air France
15 Apr - 21 Apr Air France
02 Apr - 06 Apr Icelandair
11 Apr - 18 Apr WestJet
30 Apr - 11 May British Airways

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik