$316+ Cheap flights from Dulles Intl (IAD) to Ireland
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Jun 5 — Jun 121
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 May 6, 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 May 6, 2026.
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:20 pm
IAD
- DUB
1 stop17h 00m
Scandinavian Airlines
Sun 10/47:05 pm
DUB
- IAD
1 stop26h 55m
Scandinavian Airlines
Deal found 5/1![Scandinavian Airlines logo]()
$650
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:20 pm
IAD
- DUB
2 stops32h 50m
Scandinavian Airlines
Sun 10/117:05 pm
DUB
- IAD
1 stop26h 55m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:20 pm
IAD
- DUB
2 stops33h 35m
Scandinavian Airlines
Sun 10/117:05 pm
DUB
- IAD
1 stop26h 55m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$657
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:20 pm
IAD
- DUB
2 stops32h 50m
Scandinavian Airlines
Sun 10/117:05 pm
DUB
- IAD
1 stop26h 55m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/111:30 am
IAD
- DUB
1 stop16h 50m
Multiple Airlines
Wed 6/109:40 am
DUB
- IAD
2 stops30h 06m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$674
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/1511:30 am
IAD
- DUB
2 stops16h 10m
Multiple Airlines
Sun 6/2112:15 pm
DUB
- IAD
1 stop27h 31m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$675
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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.
Mon 10/58:20 pm
IAD
- DUB
1 stop17h 00m
Scandinavian Airlines
Thu 10/157:50 pm
DUB
- IAD
2 stops26h 10m
Scandinavian Airlines
Deal found 5/1![Scandinavian Airlines logo]()
$679
This oojo deal was found by Cheapflights users on 5/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:20 pm
IAD
- DUB
1 stop17h 00m
Scandinavian Airlines
Sat 9/197:05 pm
DUB
- IAD
1 stop26h 55m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$680
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:20 pm
IAD
- DUB
2 stops32h 50m
Scandinavian Airlines
Fri 10/167:50 pm
DUB
- IAD
2 stops26h 10m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$685
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/1611:30 am
IAD
- DUB
2 stops15h 50m
Multiple Airlines
Sun 6/2112:15 pm
DUB
- IAD
1 stop27h 31m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 5/1. 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 9/83:40 pm
IAD
- SNN
1 stop10h 50m
United Airlines
Wed 9/169:30 am
SNN
- IAD
1 stop13h 07m
United Airlines
Deal found 5/1![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 9/46:15 am
IAD
- SNN
1 stop23h 00m
United Airlines
Fri 9/189:30 am
SNN
- IAD
1 stop16h 52m
United Airlines
Deal found 5/5![United Airlines logo]()
$881
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 May 6, 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 May 6, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 5/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:20 pm
IAD
- DUB
2 stops17h 45m
Scandinavian Airlines
Sun 9/207:15 pm
DUB
- IAD
2 stops26h 45m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 5/1. 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 11/110:20 pm
IAD
- DUB
Nonstop7h 00m
United Airlines
Sun 11/89:00 am
DUB
- IAD
1 stop11h 46m
United Airlines
Deal found 5/1![United Airlines logo]()
$855
This KLM deal was found by Cheapflights users on 5/4. 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 9/84:00 pm
IAD
- SNN
2 stops14h 10m
KLM
Wed 9/161:05 pm
SNN
- IAD
2 stops16h 05m
KLM
Deal found 5/4![KLM logo]()
$902
This KLM deal was found by Cheapflights users on 5/1. 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 9/812:30 pm
IAD
- SNN
1 stop17h 40m
Multiple Airlines
Wed 9/161:05 pm
SNN
- IAD
2 stops14h 54m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$902
This British Airways deal was found by Cheapflights users on 5/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:30 pm
IAD
- DUB
1 stop10h 25m
British Airways
Sun 8/3010:30 am
DUB
- IAD
1 stop11h 55m
British Airways
Deal found 5/5![British Airways logo]()
$944
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:00 pm
IAD
- CFN
1 stop12h 00m
Aer Lingus
Mon 6/227:55 am
CFN
- IAD
1 stop12h 50m
Aer Lingus
Deal found 5/1![Aer Lingus logo]()
$953
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 7/146:15 pm
IAD
- ORK
1 stop15h 25m
Delta
Wed 7/2210:50 am
ORK
- IAD
1 stop33h 45m
Delta
Deal found 5/6![Delta logo]()
$973
This Scandinavian Airlines deal was found by Cheapflights users on 5/4. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:20 pm
IAD
- DUB
1 stop17h 00m
Scandinavian Airlines
Tue 9/2911:40 am
DUB
- IAD
2 stops34h 20m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$773
This Scandinavian Airlines deal was found by Cheapflights users on 5/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:20 pm
IAD
- DUB
2 stops33h 05m
Scandinavian Airlines
Wed 9/1611:40 am
DUB
- IAD
2 stops34h 20m
Scandinavian Airlines
Deal found 5/1![Scandinavian Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:40 pm
IAD
- SNN
1 stop10h 50m
United Airlines
Sun 8/309:30 am
SNN
- IAD
1 stop11h 33m
United Airlines
Deal found 5/2![United Airlines logo]()
$932
This Delta deal was found by Cheapflights users on 5/6. 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.
Sun 7/129:45 pm
IAD
- ORK
1 stop11h 55m
Delta
Thu 7/236:15 am
ORK
- IAD
1 stop14h 20m
Delta
Deal found 5/6![Delta logo]()
$973
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Wed 6/179:00 pm
IAD
- KIR
1 stop15h 20m
Multiple Airlines
Wed 6/2410:40 am
KIR
- IAD
1 stop13h 35m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$974
This Ticket deal was found by Cheapflights users on 5/5. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:45 pm
IAD
- ORK
1 stop11h 55m
KLM
Mon 6/156:15 am
ORK
- IAD
2 stops15h 27m
KLM
Deal found 5/5![KLM logo]()
$1,016
This United Airlines deal was found by Cheapflights users on 5/1. 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 8/3012:35 pm
IAD
- SNN
1 stop16h 40m
United Airlines
Mon 9/712:30 pm
SNN
- IAD
1 stop13h 39m
United Airlines
Deal found 5/1![United Airlines logo]()
$932
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 7/17:14 pm
IAD
- SNN
1 stop10h 56m
Delta
Thu 7/91:05 pm
SNN
- IAD
2 stops15h 08m
Delta
Deal found 5/3![Delta logo]()
$982
This KLM deal was found by Cheapflights users on 5/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:03 pm
IAD
- SNN
2 stops15h 07m
Multiple Airlines
Mon 9/71:05 pm
SNN
- IAD
1 stop11h 11m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$992
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Mon 7/135:42 pm
IAD
- SNN
1 stop11h 33m
United Airlines
Tue 7/219:30 am
SNN
- IAD
1 stop12h 00m
United Airlines
Deal found 5/4![United Airlines logo]()
$939
This Trip.com deal was found by Cheapflights users on 5/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:45 pm
IAD
- NOC
1 stop13h 50m
British Airways
Fri 9/111:05 pm
NOC
- IAD
1 stop12h 15m
British Airways
Deal found 5/5![British Airways logo]()
$1,172
This Scandinavian Airlines deal was found by Cheapflights users on 5/4. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:20 pm
IAD
- DUB
2 stops17h 45m
Scandinavian Airlines
Sat 9/268:00 pm
DUB
- IAD
2 stops26h 00m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$985
This Delta deal was found by Cheapflights users on 5/6. 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 7/156:10 pm
IAD
- ORK
1 stop11h 10m
Delta
Tue 7/2110:50 am
ORK
- IAD
2 stops29h 59m
Delta
Deal found 5/6![Delta logo]()
$993
This Mytrip deal was found by Cheapflights users on 5/1. 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 6/158:18 am
IAD
- KIR
3 stops28h 17m
Multiple Airlines
Mon 6/2210:25 am
KIR
- IAD
3 stops33h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,017
This United Airlines deal was found by Cheapflights users on 5/3. 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 7/121:15 pm
IAD
- SNN
1 stop13h 15m
United Airlines
Tue 7/219:30 am
SNN
- IAD
1 stop12h 00m
United Airlines
Deal found 5/3![United Airlines logo]()
$939
This KLM deal was found by Cheapflights users on 5/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:45 pm
IAD
- ORK
1 stop11h 55m
KLM
Fri 6/196:15 am
ORK
- IAD
1 stop14h 20m
KLM
Deal found 5/2![KLM logo]()
$1,212
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:20 pm
IAD
- SNN
1 stop28h 10m
United Airlines
Tue 8/1112:30 pm
SNN
- IAD
1 stop15h 29m
United Airlines
Deal found 5/2![United Airlines logo]()
$946
This Justfly.com deal was found by Cheapflights users on 5/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:45 pm
IAD
- NOC
2 stops15h 50m
Multiple Airlines
Fri 9/111:05 pm
NOC
- IAD
2 stops27h 18m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,078
This Delta deal was found by Cheapflights users on 5/4. 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.
Sun 7/55:40 pm
IAD
- ORK
1 stop11h 40m
Delta
Thu 7/1610:50 am
ORK
- IAD
2 stops29h 59m
Delta
Deal found 5/4![Delta logo]()
$1,133
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:10 pm
IAD
- SNN
1 stop28h 20m
United Airlines
Mon 9/2112:30 pm
SNN
- IAD
1 stop13h 39m
United Airlines
Deal found 5/2![United Airlines logo]()
$948
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/219:00 pm
IAD
- NOC
2 stops34h 35m
Aer Lingus
Sun 6/281:05 pm
NOC
- IAD
2 stops31h 40m
Aer Lingus
Deal found 5/1![Aer Lingus logo]()
$1,545
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 7/149:45 pm
IAD
- ORK
1 stop11h 55m
Delta
Sat 7/259:20 am
ORK
- IAD
1 stop11h 45m
Delta
Deal found 5/6![Delta logo]()
$1,138
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Sun 9/137:05 pm
IAD
- DUB
Nonstop7h 15m
United Airlines
Mon 9/288:50 am
DUB
- IAD
Nonstop8h 00m
United Airlines
Deal found 5/5![United Airlines logo]()
$953
Last-minute flights from Dulles Intl to IrelandDiscover last-minute flight deals from Dulles Intl to Ireland. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Ireland. Data last updated May 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/108:20 am
IAD
- SNN
1 stop20h 55m
United Airlines
Tue 5/269:30 am
SNN
- IAD
1 stop14h 32m
United Airlines
Deal found 5/1![United Airlines logo]()
$897
This Delta deal was found by Cheapflights users on 5/4. 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.
Mon 5/119:45 pm
IAD
- ORK
1 stop11h 55m
Delta
Tue 5/266:15 am
ORK
- IAD
1 stop14h 20m
Delta
Deal found 5/4![Delta logo]()
$893
This Ticket deal was found by Cheapflights users on 5/5. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:45 pm
IAD
- ORK
1 stop11h 55m
KLM
Mon 6/155:10 pm
ORK
- IAD
1 stop27h 25m
KLM
Deal found 5/5![KLM logo]()
$948
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/111:30 am
IAD
- DUB
1 stop16h 50m
Multiple Airlines
Wed 6/109:40 am
DUB
- IAD
2 stops30h 06m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$674
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Mon 6/13:45 pm
IAD
- DUB
3 stops35h 35m
Multiple Airlines
Mon 6/81:15 pm
DUB
- IAD
1 stop12h 14m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$691
This Mytrip deal was found by Cheapflights users on 5/3. 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.
Tue 6/211:30 am
IAD
- DUB
2 stops15h 50m
Multiple Airlines
Mon 6/159:40 am
DUB
- IAD
3 stops34h 23m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/1111:30 am
IAD
- DUB
1 stop16h 50m
Multiple Airlines
Tue 6/2310:10 am
DUB
- IAD
2 stops29h 36m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$690
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Thu 6/1111:30 am
IAD
- DUB
1 stop16h 50m
Multiple Airlines
Mon 6/159:40 am
DUB
- IAD
2 stops30h 06m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Thu 6/1111:30 am
IAD
- DUB
1 stop16h 50m
Multiple Airlines
Wed 6/179:40 am
DUB
- IAD
2 stops30h 06m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/1511:30 am
IAD
- DUB
2 stops16h 10m
Multiple Airlines
Sun 6/2112:15 pm
DUB
- IAD
1 stop27h 31m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$675
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:00 pm
IAD
- CFN
1 stop12h 00m
Aer Lingus
Mon 6/227:55 am
CFN
- IAD
1 stop12h 50m
Aer Lingus
Deal found 5/1![Aer Lingus logo]()
$953
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/1611:30 am
IAD
- DUB
2 stops15h 50m
Multiple Airlines
Sun 6/2112:15 pm
DUB
- IAD
1 stop27h 31m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$686
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 May 6, 2026.
Search for one-way flight options from Dulles Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Thu 6/44:05 pm
IAD
- DUB
2 stops35h 15m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Mon 6/84:05 pm
IAD
- DUB
2 stops35h 15m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/211:30 am
IAD
- DUB
2 stops15h 50m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Mon 5/2511:30 am
IAD
- DUB
1 stop16h 50m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Wed 10/218:30 pm
IAD
- DUB
2 stops33h 20m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 9/88:30 pm
IAD
- DUB
2 stops20h 30m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 9/411:20 pm
IAD
- SNN
3 stops36h 15m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$362
This Mytrip deal was found by Cheapflights users on 5/3. 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.
Tue 9/18:30 pm
IAD
- SNN
2 stops22h 05m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 6/65:30 pm
IAD
- SNN
3 stops41h 05m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$429
This Mytrip deal was found by Cheapflights users on 5/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:18 am
IAD
- SNN
3 stops26h 17m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$448
This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:25 pm
IAD
- SNN
1 stop17h 10m
British Airways
Deal found 5/3![British Airways logo]()
$485
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:15 pm
IAD
- SNN
1 stop15h 35m
British Airways
Deal found 5/4![British Airways logo]()
$537
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $674 (Kiwi.com) |
One-way from | $316 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $748 |
Good round-trip deal | $956 or less |
Good one-way deal | $467 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 2,558,603 searches. Data last updated May 6, 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 - DUB
IADDUB
Washington, D.C. Dulles Intl
Sun 9/13
8:20 pm-7:05 pm
2 stops17h 45m
Dublin
Sun 9/20
7:15 pm-5:00 pm
2 stops26h 45m
$751
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Fri 9/25
8:20 pm-6:20 pm
1 stop17h 00m
Dublin
Tue 9/29
11:40 am-5:00 pm
2 stops34h 20m
$773
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sat 9/12
8:20 pm-10:25 am
2 stops33h 05m
Dublin
Wed 9/16
11:40 am-5:00 pm
2 stops34h 20m
$777
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sun 11/1
10:20 pm-10:20 am
Nonstop7h 00m
Dublin
Sun 11/8
9:00 am-3:46 pm
1 stop11h 46m
$855
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Tue 9/8
4:00 pm-11:10 am
2 stops14h 10m
Shannon
Wed 9/16
1:05 pm-12:10 am
2 stops16h 05m
$902
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Tue 9/8
12:30 pm-11:10 am
1 stop17h 40m
Shannon
Wed 9/16
1:05 pm-10:59 pm
2 stops14h 54m
$902
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Sun 8/23
3:40 pm-7:30 am
1 stop10h 50m
Shannon
Sun 8/30
9:30 am-4:03 pm
1 stop11h 33m
$932
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Sun 8/30
12:35 pm-10:15 am
1 stop16h 40m
Shannon
Mon 9/7
12:30 pm-9:09 pm
1 stop13h 39m
$932
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Mon 7/13
5:42 pm-10:15 am
1 stop11h 33m
Shannon
Tue 7/21
9:30 am-4:30 pm
1 stop12h 00m
$939
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Sun 7/12
1:15 pm-7:30 am
1 stop13h 15m
Shannon
Tue 7/21
9:30 am-4:30 pm
1 stop12h 00m
$939
Showing 1-10 of 49 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
IAD-NOC
IAD-CFN
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
IAD-NOC
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 89 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.
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 $358). Flying from Washington, D.C. Dulles Intl Airport to Ireland in May is currently the most expensive (average of $482). 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 May 6, 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 May 6, 2026.
The most flights from IAD to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, 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 17% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 179 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?
Saturday 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 13% of flights being delayed.
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 May 6, 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.
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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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Complete your trip
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Dulles Intl and Ireland flights
Browse other Dulles Intl and Ireland flight options. Last updated on May 6, 2026.
Popular flight searches
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Consider these flights traveling to Ireland regions.
Top 10 airlines flying from Dulles Intl to Ireland
Discover the top 10 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 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$1,442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$562 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$391 | Average$843 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$427 | Average$578 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$435 | Average$769 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$456 | Average$507 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$465 | Average$695 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$491 | Average$624 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$520 | Average$857 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$577 | Average$606 | FlexibilityNo cancel fee | On-time77% |