IAD to KEF from $430 in economy

FIIcelandair

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

KEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland

$626 USD

-31%$430 USD

Verified 4 days ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$485 1$485 2$485 3$485 4$485 5$485 6$485 7$485 8$485 9$485 10$485 11$485 12$485 13$485 14$485 15$485 16$485 17$611 18$658 19$606 20$606 21$686 22$831 23$656 24$485 25$576 26$621 27$606 28$485 29$606 30$485 31$485 1$556 2$485 3$556

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Tuesday, December 29th, 2026

9 round-trip options

Returning

Sun, Jan 3, 2027•5 Day Trip

$871 USD

Google Flights

Returning

Mon, Jan 4, 2027•6 Day Trip

$789 USD

Google Flights

Returning

Tue, Jan 5, 2027•7 Day Trip

$696 USD

Google Flights

Returning

Wed, Jan 6, 2027•8 Day Trip

$726 USD

Google Flights

Returning

Thu, Jan 7, 2027•9 Day Trip

$606 USD

Google Flights

Returning

Fri, Jan 8, 2027•10 Day Trip

$686 USD

Google Flights

Returning

Sat, Jan 9, 2027•11 Day Trip

$676 USD

Google Flights

Returning

Sun, Jan 10, 2027•12 Day Trip

$676 USD

Google Flights

Returning

Mon, Jan 11, 2027•13 Day Trip

$606 USD

Google Flights

Washington (IAD) to Reykjavik (Keflavik) (KEF) flight deal in economy from $430

Washington Dulles International Airport

Keflavík International Airport

December 2026

Tuesday, December 29th, 2026