IAD to DUB from $457 in economy – flightdeals.net

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Round Trip•Economy

Washington Dulles International Airport

Washington, United States

Dublin Airport

Dublin, Ireland

$698 USD

-35%$457 USD

Verified about 6 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$457 1$470 2$502 3$674 4$672 5$457 6$457 7$457 8$457 9$457 10$457 11$457 12$457 13$457 14$457 15$457 16$457 17$457 18$462 19$457 20$457 21$457 22$462 23$606 24$606 25$606 26$606 27$606 28$606 29$606 30$605 1 2 3 4

Good Availability

48% of dates checked are available within 10% of the lowest price

Wednesday, September 23rd, 2026

3 round-trip options

Returning

Thu, Oct 1, 2026•8 Day Trip

$606 USD

Returning

Fri, Oct 2, 2026•9 Day Trip

$607 USD

Returning

Mon, Oct 5, 2026•12 Day Trip

$630 USD