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

March 2026

Today

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23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$1,256 22$1,637 23$1,462 24$999 25$1,054 26$1,094 27$719 28$719 29$1,284 30$649 31$634 1$1,564 2$617 3$632 4$617 5$1,979

Extremely Rare Availability

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

Sunday, March 22nd, 2026

8 round-trip options

Returning

Fri, Mar 27, 2026•5 Day Trip

$1,907 USD

Google Flights

Returning

Sun, Mar 29, 2026•7 Day Trip

$2,192 USD

Google Flights

Returning

Mon, Mar 30, 2026•8 Day Trip

$2,192 USD

Google Flights

Returning

Tue, Mar 31, 2026•9 Day Trip

$2,539 USD

Google Flights

Returning

Wed, Apr 1, 2026•10 Day Trip

$1,840 USD

Google Flights

Returning

Thu, Apr 2, 2026•11 Day Trip

$1,637 USD

Google Flights

Returning

Fri, Apr 3, 2026•12 Day Trip

$1,734 USD

Google Flights

Returning

Sun, Apr 5, 2026•14 Day Trip

$1,987 USD

Google Flights