$290+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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 September 7, 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 September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Thu 11/127:40 pm -
1 stop9h 35m
Thu 11/2611:30 am -
1 stop12h 00m
Deal found 9/4![Icelandair logo]()
$656
This KAYAK deal was found by Cheapflights users on 9/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:40 pm -
1 stop9h 35m
Fri 11/1311:30 am -
1 stop12h 00m
Deal found 9/7![Icelandair logo]()
$657
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 pm -
1 stop9h 35m
Tue 12/111:30 am -
1 stop12h 00m
Deal found 9/3![Icelandair logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/208:30 pm -
1 stop9h 35m
Thu 10/2911:30 am -
1 stop11h 00m
Deal found 9/4![Icelandair logo]()
$659
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/178:30 pm -
1 stop9h 35m
Thu 10/222:15 pm -
1 stop10h 05m
Deal found 9/5![Icelandair logo]()
$660
This lol.travel deal was found by Cheapflights users on 9/7. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:45 am -
2 stops17h 30m
Tue 11/39:10 am -
2 stops16h 00m
Deal found 9/7![Multiple Airlines logo]()
$661
This Mytrip deal was found by Cheapflights users on 9/7. 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 11/410:30 pm -
2 stops19h 20m
Wed 11/115:40 pm -
2 stops26h 35m
Deal found 9/7![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/610:35 pm -
1 stop20h 20m
Mon 10/195:30 am -
1 stop20h 05m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$663
This Mytrip deal was found by Cheapflights users on 9/3. 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 9/214:00 pm -
1 stop14h 30m
Wed 9/301:15 pm -
1 stop12h 10m
Deal found 9/3![Multiple Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Fri 11/610:30 pm -
1 stop12h 40m
Fri 11/1311:10 am -
1 stop14h 25m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$666
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/75:25 pm -
1 stop12h 00m
Fri 11/1311:10 am -
1 stop14h 25m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$667
This Delta deal was found by Cheapflights users on 9/5. 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 10/189:45 pm -
1 stop11h 55m
Mon 11/211:15 am -
1 stop33h 30m
Deal found 9/5![Delta logo]()
$697
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 September 7, 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 September 7, 2026.
This United deal was found by Cheapflights users on 9/6. 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 11/1610:20 pm -
Nonstop7h 00m
Thu 11/265:10 am -
1 stop15h 45m
Deal found 9/6![Multiple Airlines logo]()
$687
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/2511:20 pm -
Nonstop7h 00m
Tue 11/312:05 pm -
Nonstop8h 15m
Deal found 9/3![United Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 9/5. 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 10/189:45 pm -
1 stop11h 55m
Mon 11/25:30 pm -
2 stops27h 58m
Deal found 9/5![Delta logo]()
$702
This Turkish Airlines deal was found by Cheapflights users on 9/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:40 pm -
1 stop20h 25m
Sat 10/1710:45 am -
1 stop29h 45m
Deal found 9/2![Turkish Airlines logo]()
$863
This British Airways deal was found by Cheapflights users on 9/6. 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 3/16:05 pm -
1 stop12h 25m
Wed 3/107:50 am -
1 stop17h 05m
Deal found 9/6![British Airways logo]()
$960
This Justfly.com deal was found by Cheapflights users on 9/6. 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 3/15:15 pm -
2 stops13h 15m
Wed 3/107:50 am -
2 stops17h 18m
Deal found 9/6![Air Canada logo]()
$975
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Tue 2/96:05 pm -
2 stops20h 55m
Tue 2/167:55 am -
1 stop12h 50m
Deal found 9/3![Aer Lingus logo]()
$1,000
This United deal was found by Cheapflights users on 9/7. 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 11/2310:20 pm -
Nonstop7h 00m
Mon 12/76:35 pm -
1 stop27h 25m
Deal found 9/7![Multiple Airlines logo]()
$689
This Delta deal was found by Cheapflights users on 9/4. 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 10/276:45 pm -
1 stop11h 55m
Tue 11/35:40 am -
2 stops22h 36m
Deal found 9/4![Delta logo]()
$709
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 12/2610:44 pm -
1 stop27h 46m
Thu 12/319:00 am -
2 stops34h 12m
Deal found 9/6![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/206:00 am -
1 stop20h 30m
Sun 1/249:00 am -
2 stops31h 46m
Deal found 9/7![United Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 9/4. 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 12/15:45 pm -
1 stop17h 55m
Mon 12/75:40 am -
1 stop15h 15m
Deal found 9/4![Delta logo]()
$750
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/810:15 pm -
Nonstop7h 05m
Mon 12/149:00 am -
1 stop11h 45m
Deal found 9/3![United Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 9/3. 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 10/276:45 pm -
1 stop17h 55m
Sun 11/16:00 am -
1 stop14h 45m
Deal found 9/3![Delta logo]()
$750
This United deal was found by Cheapflights users on 9/3. 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.
Fri 10/97:05 pm -
Nonstop7h 15m
Tue 10/138:50 am -
1 stop12h 15m
Deal found 9/3![Multiple Airlines logo]()
$835
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Tue 2/96:05 pm -
2 stops20h 55m
Tue 2/168:00 am -
2 stops16h 55m
Deal found 9/3![British Airways logo]()
$1,010
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/1310:35 pm -
Nonstop7h 05m
Tue 10/209:50 am -
2 stops16h 24m
Deal found 9/5![United Airlines logo]()
$771
This Delta deal was found by Cheapflights users on 9/6. 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 11/186:20 pm -
2 stops15h 10m
Tue 12/18:50 am -
1 stop11h 55m
Deal found 9/6![Delta logo]()
$776
This Air Canada deal was found by Cheapflights users on 9/2. 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.
Fri 10/233:45 pm -
2 stops39h 45m
Sun 11/88:05 pm -
2 stops29h 18m
Deal found 9/2![Air Canada logo]()
$1,038
This Mytrip deal was found by Cheapflights users on 9/5. 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 10/208:30 pm -
2 stops22h 25m
Tue 10/2711:55 am -
2 stops35h 35m
Deal found 9/5![Multiple Airlines logo]()
$898
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/510:40 pm -
1 stop30h 35m
Tue 10/2012:30 pm -
1 stop13h 57m
Deal found 9/7![United Airlines logo]()
$778
This Delta deal was found by Cheapflights users on 9/5. 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 10/206:32 pm -
2 stops15h 08m
Tue 10/275:40 am -
1 stop15h 05m
Deal found 9/5![Delta logo]()
$778
This British Airways deal was found by Cheapflights users on 9/4. 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.
Thu 11/126:05 pm -
1 stop12h 25m
Wed 11/258:05 pm -
1 stop24h 35m
Deal found 9/4![British Airways logo]()
$1,048
This British Airways deal was found by Cheapflights users on 9/3. 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.
Thu 11/126:05 pm -
1 stop12h 25m
Tue 11/247:50 am -
1 stop12h 50m
Deal found 9/3![British Airways logo]()
$1,048
This Mytrip deal was found by Cheapflights users on 9/4. 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 10/198:30 pm -
2 stops13h 40m
Mon 10/2610:25 am -
2 stops13h 55m
Deal found 9/4![Multiple Airlines logo]()
$974
This Delta deal was found by Cheapflights users on 9/3. 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 10/19:45 pm -
1 stop11h 55m
Thu 10/86:15 am -
1 stop14h 20m
Deal found 9/3![Delta logo]()
$824
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/97:05 pm -
Nonstop7h 15m
Tue 10/138:50 am -
Nonstop8h 00m
Deal found 9/4![United Airlines logo]()
$842
This British Airways deal was found by Cheapflights users on 9/3. 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.
Fri 11/136:05 pm -
1 stop12h 25m
Tue 11/247:50 am -
1 stop12h 50m
Deal found 9/3![British Airways logo]()
$1,048
This Delta deal was found by Cheapflights users on 9/7. 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 10/225:30 pm -
1 stop11h 50m
Thu 10/295:40 am -
1 stop15h 05m
Deal found 9/7![Delta logo]()
$828
This BusinessClass deal was found by Cheapflights users on 9/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/306:20 pm -
1 stop13h 05m
Mon 2/11:00 pm -
1 stop31h 40m
Deal found 9/5![Multiple Airlines logo]()
$1,027
Last-minute flights from Dulles Intl to IrelandDiscover last-minute flight deals from Dulles Intl to Ireland. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Ireland. Data last updated September 7, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/3. 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 9/214:00 pm -
1 stop14h 30m
Wed 9/301:15 pm -
1 stop12h 10m
Deal found 9/3![Multiple Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/610:35 pm -
1 stop20h 20m
Tue 10/206:50 pm -
1 stop25h 20m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$663
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/1210:35 pm -
1 stop30h 25m
Tue 10/206:50 pm -
1 stop25h 20m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/178:30 pm -
1 stop9h 35m
Thu 10/222:15 pm -
1 stop10h 05m
Deal found 9/5![Icelandair logo]()
$660
This lol.travel deal was found by Cheapflights users on 9/7. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:45 am -
2 stops17h 30m
Tue 11/39:10 am -
2 stops16h 00m
Deal found 9/7![Multiple Airlines logo]()
$661
This Delta deal was found by Cheapflights users on 9/5. 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 10/189:45 pm -
1 stop11h 55m
Mon 11/211:15 am -
1 stop33h 30m
Deal found 9/5![Delta logo]()
$697
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/208:30 pm -
1 stop9h 35m
Thu 10/2911:30 am -
1 stop11h 00m
Deal found 9/4![Icelandair logo]()
$659
This Gotogate deal was found by Cheapflights users on 9/5. 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 10/256:15 pm -
Nonstop6h 50m
Tue 11/33:50 pm -
Nonstop8h 30m
Deal found 9/5![Aer Lingus logo]()
$667
This Gotogate deal was found by Cheapflights users on 9/6. 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 10/254:30 pm -
1 stop9h 40m
Tue 11/35:10 am -
1 stop15h 45m
Deal found 9/6![Multiple Airlines logo]()
$668
This KLM deal was found by Cheapflights users on 9/4. 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.
Tue 10/276:45 pm -
1 stop11h 55m
Tue 11/35:40 am -
1 stop15h 05m
Deal found 9/4![KLM logo]()
$700
This Delta deal was found by Cheapflights users on 9/4. 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 10/276:45 pm -
1 stop11h 55m
Tue 11/35:40 am -
2 stops22h 36m
Deal found 9/4![Delta logo]()
$709
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Thu 10/298:40 pm -
2 stops19h 20m
Sat 11/76:15 am -
2 stops17h 15m
Deal found 9/3![Multiple Airlines logo]()
$666
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 September 7, 2026.
Search for one-way flight options from Dulles Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 10/2111:12 am -
2 stops21h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/39:04 pm -
3 stops44h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/411:12 am -
2 stops42h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/2211:25 am -
1 stop19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 1/65:15 pm -
2 stops34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$304
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Sat 12/268:50 pm -
Nonstop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Aer Lingus logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/69:04 pm -
3 stops39h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$307
This Booking.com deal was found by Cheapflights users on 9/5. 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 12/79:45 pm -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![British Airways logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Thu 9/173:50 pm -
1 stop14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
Tue 12/296:05 pm -
1 stop10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![British Airways logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 10/288:40 pm -
3 stops46h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:05 pm -
1 stop20h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$317
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $656 (Kiwi.com) |
One-way from | $290 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $794 |
Good round-trip deal | $892 or less |
Good one-way deal | $486 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 September 7, 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.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Wed 10/21
11:12 am-1:30 pm
2 stops21h 18m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$290
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Wed 1/6
5:15 pm-9:00 am
2 stops34h 45m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$304
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sat 12/26
10:44 pm-7:30 am
1 stop27h 46m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$335
Washington, D.C.Cork
IAD Washington, D.C. Dulles Intl - ORK Cork
IADORK
Washington, D.C. Dulles Intl
Tue 9/22
8:30 pm-11:55 pm
2 stops22h 25m
Cork
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$382
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sat 12/19
6:05 am-7:10 am
2 stops44h 05m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$433
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Wed 1/6
9:55 pm-4:45 pm
1 stop13h 50m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$458
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Wed 10/21
12:38 pm-10:15 am
1 stop16h 37m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$458
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sat 10/10
10:40 pm-10:15 am
1 stop30h 35m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$475
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Fri 9/18
3:50 pm-10:55 am
2 stops38h 05m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$480
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 10/7
12:30 pm-10:00 am
1 stop16h 30m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$509
Showing 1-10 of 51 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-ORK
IAD-SNN
IAD-CFN
IAD-NOC
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-ORK
IAD-SNN
IAD-CFN
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ireland?
Currently, January 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 $1,079). 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 September 7, 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 September 7, 2026.
The most flights from IAD to IE0 are scheduled on a Thursday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).
How often are flights from Washington, D.C. to Ireland delayed?
About 14% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 191 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 9% 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 83 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 September 7, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Ireland, such as United Airlines,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
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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Find flights from Dulles Intl to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dulles Intl and Ireland flights
Browse other Dulles Intl and Ireland flight options. Last updated on September 7, 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$1,603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$620 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$391 | Average$871 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$445 | Average$707 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$505 | Average$802 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$577 | Average$606 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$577 | Average$960 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$853 | FlexibilityNo cancel fee | On-time76% |