$253+ Cheap flights from Dulles Intl (IAD) to Ireland
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Ireland with Cheapflights
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Cheapest flights from Dulles Intl to IrelandExplore the most affordable flight options available from Dulles Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Dulles Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:10 pm -
2 stops22h 25m
Tue 11/246:15 am -
2 stops34h 13m
Deal found 10/18![Multiple Airlines logo]()
$609
This Gotogate deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:40 pm -
1 stop9h 35m
Thu 11/511:30 am -
1 stop12h 00m
Deal found 10/16![Icelandair logo]()
$611
This Gotogate deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:40 pm -
1 stop9h 35m
Tue 11/1011:30 am -
1 stop12h 00m
Deal found 10/16![Icelandair logo]()
$612
This Justfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:50 pm -
Nonstop6h 55m
Tue 11/103:50 pm -
Nonstop8h 30m
Deal found 10/19![Aer Lingus logo]()
$615
This Booking.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:50 pm -
Nonstop6h 55m
Mon 12/73:50 pm -
Nonstop8h 30m
Deal found 10/16![Aer Lingus logo]()
$616
This Justfly.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 pm -
1 stop9h 35m
Wed 11/1811:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:40 pm -
1 stop9h 35m
Tue 11/1711:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:40 pm -
1 stop9h 35m
Mon 11/2311:30 am -
1 stop12h 00m
Deal found 10/15![Icelandair logo]()
$621
This Gotogate deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:15 pm -
Nonstop6h 50m
Sun 11/153:50 pm -
Nonstop8h 30m
Deal found 10/15![Aer Lingus logo]()
$622
This Gotogate deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:40 pm -
1 stop9h 35m
Thu 12/311:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 pm -
1 stop9h 35m
Thu 11/1911:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$625
This Mytrip deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:05 am -
2 stops22h 15m
Mon 12/75:45 am -
2 stops19h 20m
Deal found 10/16![Multiple Airlines logo]()
$627
Best flights from Dulles Intl to IrelandDiscover carefully curated flight deals from Dulles Intl to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Dulles Intl to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/287:10 pm -
Nonstop7h 10m
Fri 4/29:50 am -
2 stops31h 05m
Deal found 10/19![United Airlines logo]()
$685
This United deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/57:10 pm -
Nonstop7h 10m
Fri 4/98:40 am -
1 stop13h 05m
Deal found 10/15![Multiple Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/21:00 pm -
2 stops16h 40m
Wed 2/1711:15 am -
2 stops18h 05m
Deal found 10/18![Delta logo]()
$718
This KLM deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:15 pm -
1 stop17h 25m
Wed 11/255:40 am -
1 stop15h 15m
Deal found 10/20![KLM logo]()
$722
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:05 pm -
1 stop12h 25m
Wed 12/95:30 pm -
2 stops30h 50m
Deal found 10/18![British Airways logo]()
$922
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:50 pm -
2 stops14h 55m
Tue 11/248:05 pm -
2 stops28h 15m
Deal found 10/15![Aer Lingus logo]()
$955
This Air Canada deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
2 stops25h 50m
Tue 11/247:50 am -
3 stops17h 33m
Deal found 10/15![Air Canada logo]()
$1,018
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/710:25 pm -
Nonstop7h 15m
Thu 4/159:50 am -
1 stop11h 32m
Deal found 10/17![United Airlines logo]()
$698
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:20 pm -
1 stop17h 20m
Wed 12/95:40 am -
2 stops22h 43m
Deal found 10/18![Delta logo]()
$731
This KLM deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:15 pm -
1 stop17h 25m
Tue 11/175:40 am -
1 stop15h 05m
Deal found 10/15![KLM logo]()
$771
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/51:17 pm -
2 stops36h 53m
Thu 1/149:00 am -
2 stops31h 51m
Deal found 10/19![United Airlines logo]()
$711
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/711:05 am -
2 stops18h 35m
Thu 1/146:00 am -
1 stop14h 45m
Deal found 10/19![Delta logo]()
$781
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:15 pm -
Nonstop7h 05m
Tue 12/812:05 pm -
Nonstop8h 20m
Deal found 10/17![United Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:45 pm -
1 stop11h 55m
Tue 12/15:40 am -
1 stop15h 05m
Deal found 10/15![Delta logo]()
$787
This British Airways deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:05 pm -
1 stop12h 25m
Tue 12/88:05 pm -
1 stop24h 35m
Deal found 10/17![British Airways logo]()
$959
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:15 pm -
2 stops17h 10m
Wed 11/185:30 pm -
2 stops30h 50m
Deal found 10/15![Aer Lingus logo]()
$960
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/175:20 pm -
1 stop9h 10m
Mon 2/2212:05 pm -
Nonstop8h 20m
Deal found 10/16![United Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3012:36 pm -
2 stops20h 54m
Thu 1/75:45 am -
2 stops16h 45m
Deal found 10/15![Delta logo]()
$796
This FlightHub deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:05 pm -
1 stop12h 25m
Sat 3/137:50 am -
1 stop17h 05m
Deal found 10/17![Multiple Airlines logo]()
$1,065
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1812:40 pm -
1 stop15h 30m
Wed 3/2412:05 pm -
Nonstop8h 20m
Deal found 10/16![United Airlines logo]()
$751
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2510:45 pm -
1 stop20h 40m
Sun 3/288:30 pm -
2 stops24h 15m
Deal found 10/16![British Airways logo]()
$1,005
This Justfly.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:20 pm -
2 stops18h 25m
Sun 11/227:50 am -
2 stops17h 33m
Deal found 10/15![Air Canada logo]()
$1,139
This KLM deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:30 pm -
1 stop12h 15m
Wed 11/185:40 am -
1 stop15h 15m
Deal found 10/15![KLM logo]()
$1,055
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/77:10 pm -
Nonstop7h 10m
Sat 4/1712:30 pm -
Nonstop8h 05m
Deal found 10/19![United Airlines logo]()
$751
This Cheapflightsfares deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/257:05 pm -
1 stop20h 20m
Thu 4/17:30 am -
1 stop14h 55m
Deal found 10/17![British Airways logo]()
$1,036
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:30 pm -
1 stop9h 40m
Sun 12/2012:05 pm -
Nonstop8h 20m
Deal found 10/19![United Airlines logo]()
$796
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:05 pm -
1 stop12h 25m
Sat 11/217:50 am -
2 stops16h 45m
Deal found 10/16![British Airways logo]()
$1,072
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:32 pm -
2 stops15h 13m
Fri 11/135:40 am -
1 stop15h 15m
Deal found 10/18![Delta logo]()
$1,009
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/255:20 pm -
1 stop12h 35m
Sat 4/38:50 am -
Nonstop8h 00m
Deal found 10/19![United Airlines logo]()
$806
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/259:50 pm -
2 stops17h 35m
Sun 3/287:30 am -
2 stops16h 45m
Deal found 10/16![British Airways logo]()
$1,089
Last-minute flights from Dulles Intl to IrelandDiscover last-minute flight deals from Dulles Intl to Ireland. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Ireland. Data last updated October 20, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:40 pm -
1 stop9h 35m
Thu 11/511:30 am -
1 stop12h 00m
Deal found 10/16![Icelandair logo]()
$611
This Gotogate deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:40 pm -
1 stop9h 35m
Tue 11/1011:30 am -
1 stop12h 00m
Deal found 10/16![Icelandair logo]()
$612
This Justfly.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm -
1 stop9h 35m
Fri 11/1311:30 am -
1 stop12h 00m
Deal found 10/18![Icelandair logo]()
$628
This Justfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:50 pm -
Nonstop6h 55m
Tue 11/103:50 pm -
Nonstop8h 30m
Deal found 10/19![Aer Lingus logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:40 pm -
1 stop9h 35m
Tue 11/1711:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$620
This Gotogate deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:15 pm -
Nonstop6h 50m
Sun 11/153:50 pm -
Nonstop8h 30m
Deal found 10/15![Aer Lingus logo]()
$622
This Justfly.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 pm -
1 stop9h 35m
Wed 11/1811:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 pm -
1 stop9h 35m
Thu 11/1911:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$625
This Booking.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:15 pm -
Nonstop6h 50m
Thu 11/1912:20 pm -
Nonstop8h 25m
Deal found 10/15![Aer Lingus logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:40 pm -
1 stop9h 35m
Mon 11/2311:30 am -
1 stop12h 00m
Deal found 10/15![Icelandair logo]()
$621
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:10 pm -
2 stops22h 25m
Tue 11/246:15 am -
2 stops34h 13m
Deal found 10/18![Multiple Airlines logo]()
$609
This Gotogate deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:40 pm -
1 stop9h 35m
Thu 12/311:30 am -
1 stop12h 00m
Deal found 10/17![Icelandair logo]()
$624
One-way flights from Dulles Intl to IrelandSearch for one-way flight options from Dulles Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Dulles Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Booking.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/28:50 pm -
Nonstop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Aer Lingus logo]()
$253
This Booking.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/18:50 pm -
Nonstop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Aer Lingus logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:25 pm -
2 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$263
This Booking.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:50 pm -
Nonstop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Aer Lingus logo]()
$265
This Kissandfly.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:50 pm -
Nonstop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Aer Lingus logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/38:50 pm -
Nonstop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Aer Lingus logo]()
$272
This Justfly.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/135:15 pm -
Nonstop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Aer Lingus logo]()
$275
This Mytrip deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/177:40 pm -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Icelandair logo]()
$282
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/17:40 pm -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Icelandair logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:25 pm -
2 stops34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$285
This Booking.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Icelandair logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:40 pm -
3 stops37h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$319
Find flight deals from Dulles Intl to Ireland
Keep the following information in mind while searching for Dulles Intl to Ireland flight deals. Data was last updated October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $587 (WAYA) |
One-way from | $253 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $729 |
Good round-trip deal | $751 or less |
Good one-way deal | $454 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 11/4
7:40 pm-10:15 am
1 stop9h 35m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$288
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Mon 11/16
7:40 pm-1:40 pm
3 stops37h 00m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$319
Quickest round-trip
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Fri 1/1
5:15 pm-5:05 am
Nonstop6h 50m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$321
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 11/15
8:50 pm-6:00 pm
2 stops40h 10m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$327
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Mon 11/2
7:40 pm-12:45 pm
2 stops36h 05m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$328
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Wed 11/18
8:50 pm-2:30 pm
2 stops36h 40m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$329
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Mon 3/1
1:25 pm-7:10 am
2 stops12h 45m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$333
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sat 3/27
5:45 pm-7:15 am
2 stops33h 30m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$333
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 2/17
6:30 pm-2:30 pm
2 stops15h 00m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sun 11/1
7:40 pm-10:15 am
1 stop9h 35m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$336
Showing 1-10 of 53 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Dulles Intl with our price prediction graph.
IAD-DUB
IAD-SNN
IAD-ORK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ireland
IAD-IE0
IAD-DUB
IAD-SNN
IAD-ORK
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ireland?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ireland (average of $619). Flying from Washington, D.C. Dulles Intl Airport to Ireland in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to IE?
Find hourly flight availability from Dulles Intl to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Ireland
Explore weekly flight availability from Dulles Intl to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 20, 2026.
The most flights from IAD to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
How often are flights from Washington, D.C. to Ireland delayed?
About 12% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 181 minutes.
What is the most punctual flight time for Washington, D.C. to Ireland flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to Ireland flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 8% of flights being delayed.
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Ireland?
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Ireland, you should look to book at least 3 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Ireland
Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated October 20, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Ireland, such as Aer Lingus,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Boarding
7.5
Overall
7.3
Comfort
7.2
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Entertainment
7.0
Boarding
7.5
Overall
7.3
Comfort
7.2
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Entertainment
7.0
Boarding
7.5
Overall
7.3
Comfort
7.2
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Entertainment
7.0
Boarding
7.5
Overall
7.3
Comfort
7.2
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Entertainment
7.0
Boarding
7.5
Overall
7.3
Comfort
7.2
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Entertainment
7.0
Boarding
7.5
Overall
7.3
Comfort
7.2
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Dulles Intl to Ireland
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Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
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Dulles Intl and Ireland flights
Browse other Dulles Intl and Ireland flight options. Last updated on October 20, 2026.
Popular flight searches
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Top 8 airlines flying from Dulles Intl to Ireland
Discover the top 8 airlines that operate flights from Dulles Intl to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$377 | Average$635 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$391 | Average$871 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$429 | Average$719 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$445 | Average$759 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$520 | Average$811 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$585 | Average$975 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$867 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$681 | Average$1,603 | FlexibilityNo cancel fee | On-timeN/A |