Denver (DEN) to Dublin (DUB) cheap flight deal from $399 USD in economy class

FIIcelandair

Round Trip•Economy

DEN

Denver International Airport

Denver, United States

DUB

Dublin Airport

Dublin, Ireland

$795 USD

-50%$399 USD

Verified Sep 20, 2025 at 3:48 PM

September 2025

Today

Mon

Tue

Wed

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Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20$1,882 21$1,480 22$1,427 23$1,800 24$1,392 25$1,392 26$1,152 27$922 28 29$850 30$1,218 1$1,218 2$1,218 3$1,268 4$1,268 5$1,047

Fair Availability

21% of dates checked are available within 10% of the lowest price

Monday, September 22nd, 2025

6 round-trip options

Returning

Sat, Sep 27, 2025•5 Day Trip

$1,484 USD

Google Flights

Returning

Thu, Oct 2, 2025•10 Day Trip

$1,845 USD

Google Flights

Returning

Fri, Oct 3, 2025•11 Day Trip

$1,477 USD

Google Flights

Returning

Sat, Oct 4, 2025•12 Day Trip

$1,477 USD

Google Flights

Returning

Sun, Oct 5, 2025•13 Day Trip

$2,561 USD

Google Flights

Returning

Mon, Oct 6, 2025•14 Day Trip

$1,427 USD

Google Flights