Denver (DEN) to Reykjavik (Keflavik) (KEF) flight deal from $448 USD in economy class

FIIcelandair

Round Trip•Economy

DEN

Denver International Airport

Denver, United States

KEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland

$749 USD

-40%$448 USD

Verified Mar 21, 2026 at 2:46 PM

April 2026

Today

Mon

Tue

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Sun

30$649 31$634 1$1,564 2$617 3$632 4$617 5$1,979 6$617 7$1,142 8$1,552 9$1,142 10$1,062 11$1,347 12 13$999 14$991 15$1,046 16$991 17$999 18$666 19 20$666 21$666 22$929 23$666 24$569 25$681 26$1,224 27$681 28$944 29$944 30$681 1 2 3

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Monday, April 13th, 2026

7 round-trip options

Returning

Sun, Apr 19, 2026•6 Day Trip

$1,404 USD

Google Flights

Returning

Mon, Apr 20, 2026•7 Day Trip

$999 USD

Google Flights

Returning

Wed, Apr 22, 2026•9 Day Trip

$999 USD

Google Flights

Returning

Thu, Apr 23, 2026•10 Day Trip

$999 USD

Google Flights

Returning

Fri, Apr 24, 2026•11 Day Trip

$1,119 USD

Google Flights

Returning

Sun, Apr 26, 2026•13 Day Trip

$1,134 USD

Google Flights

Returning

Mon, Apr 27, 2026•14 Day Trip

$1,134 USD

Google Flights