DEN to KEF from $463 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Denver International Airport

Denver, United States

Keflavík International Airport

Reykjavik (Keflavik), Iceland

$811 USD

-43%$463 USD

Verified about 8 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$3,520 1$476 2$471 3$476 4$471 5$476 6$471 7$3,520 8$476 9$471 10$691 11$518 12$524 13$541 14$3,520 15$770 16$813 17$1,057 18$1,204 19$1,022 20$1,041 21 22$869 23$861 24$711 25$703 26$666 27$1,015 28$3,999 29$946 30$941 31 1 2 3

Good Availability

40% of dates checked are available within 10% of the lowest price

Monday, December 28th, 2026

2 round-trip options

Returning

Sat, Jan 2, 2027•5 Day Trip

$4,104 USD

Returning

Mon, Jan 4, 2027•7 Day Trip

$3,999 USD