$423 Cheap United flights Washington (IAD) to Reykjavik (KEF)

View $423 flight on Sun, Jul 5, 2026Opens in a new window

$423 Cheap United flights Washington (IAD) to Reykjavik (KEF)

Prices were available within the past 7 days and start at $423 for one-way flights and $709 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jul 5 - Tue, Jul 14
IAD
Washington
KEF
Reykjavik
$709 Roundtrip, found 4 days ago
$709
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jul 5 from Washington to Reykjavik, returning Tue, Jul 14, priced at $709 found 4 days ago
United
Sun, Jul 5 - Tue, Jul 14
IAD
Washington
KEF
Reykjavik
$712 Roundtrip, found 4 days ago
$712
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jul 5 from Washington to Reykjavik, returning Tue, Jul 14, priced at $712 found 4 days ago

Find the cheapest month to fly from Washington (IAD) to Reykjavik (KEF)

March is typically the cheapest month to fly

From $311 - $723 per traveler.
Flights from Washington (IAD) to Reykjavik (KEF)
Origin airport
Washington Dulles Intl.
Destination airport
Keflavik Intl.
Distance
4466 km
Average flight time
5 hours 55 mins