AirHint found the following cheapest one-way flights from Washington (DCA) to Keflavik (KEF) in April 2026 (see full year).
One-Way flights
| 26 Apr | Air France | ||
| 02 Apr | jetBlue | ||
| 08 Apr | Air France | ||
| 12 Apr | jetBlue |
Also check the deals for return flights from Washington to Keflavik in April.
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