$308+ Cheap flights from Dulles Intl (IAD) to Dublin (DUB)
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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Dublin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in February or January, booked 84 days in advance, depart on a Sunday or Wednesday and return on a Tuesday
Cheap flight deals from Dulles Intl to Dublin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to DublinExplore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Wed 11/49:55 am -
2 stops27h 30m
Wed 11/116:15 am -
2 stops19h 08m
Deal found 10/5![Multiple Airlines logo]()
$590
This Mytrip deal was found by Cheapflights users on 10/4. 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.
Tue 11/179:55 am -
3 stops32h 25m
Wed 11/256:15 am -
2 stops19h 08m
Deal found 10/4![Multiple Airlines logo]()
$594
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:55 am -
2 stops29h 00m
Wed 11/186:15 am -
2 stops19h 08m
Deal found 10/6![Multiple Airlines logo]()
$597
This Flightnetwork deal was found by Cheapflights users on 10/6. 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 Flightnetwork 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 10/6![Icelandair logo]()
$604
This Mytrip deal was found by Cheapflights users on 10/8. 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 11/109:55 am -
3 stops32h 25m
Tue 11/176:15 am -
2 stops19h 08m
Deal found 10/8![Multiple Airlines logo]()
$606
This Mytrip deal was found by Cheapflights users on 10/3. 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 11/169:55 am -
2 stops29h 00m
Mon 11/235:05 pm -
3 stops32h 18m
Deal found 10/3![Multiple Airlines logo]()
$607
This Mytrip deal was found by Cheapflights users on 10/3. 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.
Fri 11/139:55 am -
2 stops21h 25m
Fri 11/204:15 pm -
3 stops33h 08m
Deal found 10/3![Multiple Airlines logo]()
$609
This Air France deal was found by Cheapflights users on 10/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:00 pm -
2 stops12h 45m
Sun 11/2210:45 am -
1 stop11h 43m
Deal found 10/5![Air France logo]()
$610
This Air France deal was found by Cheapflights users on 10/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:23 am -
1 stop19h 32m
Sun 11/89:55 am -
1 stop14h 55m
Deal found 10/5![Air France logo]()
$614
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:00 pm -
3 stops34h 00m
Tue 11/246:15 am -
2 stops19h 08m
Deal found 10/5![Multiple Airlines logo]()
$617
This Mytrip deal was found by Cheapflights users on 10/7. 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.
Sat 11/149:55 am -
2 stops21h 50m
Sat 11/214:25 pm -
2 stops28h 30m
Deal found 10/7![Multiple Airlines logo]()
$621
Best flights from Dulles Intl to DublinDiscover carefully curated flight deals from Dulles Intl to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Dulles Intl to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Sat 3/2010:10 pm -
1 stop29h 20m
Tue 3/309:50 am -
2 stops30h 37m
Deal found 10/5![United Airlines logo]()
$685
This British Airways deal was found by Cheapflights users on 10/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:05 pm -
1 stop10h 50m
Thu 1/283:00 pm -
1 stop29h 40m
Deal found 10/7![British Airways logo]()
$701
This Lufthansa deal was found by Cheapflights users on 10/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2111:55 pm -
1 stop13h 15m
Sun 3/288:50 am -
1 stop12h 05m
Deal found 10/7![Lufthansa logo]()
$722
This United deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:20 pm -
Nonstop7h 00m
Thu 11/196:35 pm -
1 stop27h 25m
Deal found 10/4![Multiple Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 10/8. 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 2/146:00 am -
1 stop20h 30m
Sun 2/289:00 am -
2 stops35h 55m
Deal found 10/8![United Airlines logo]()
$730
This Lufthansa deal was found by Cheapflights users on 10/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/227:00 pm -
1 stop12h 00m
Sun 3/288:50 am -
1 stop12h 05m
Deal found 10/7![Lufthansa logo]()
$733
This United deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:19 pm -
2 stops12h 51m
Thu 12/36:35 pm -
1 stop27h 25m
Deal found 10/4![Multiple Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 10/8. 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 3/189:55 am -
1 stop16h 15m
Wed 3/2412:05 pm -
Nonstop8h 20m
Deal found 10/8![United Airlines logo]()
$755
This United deal was found by Cheapflights users on 10/6. 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.
Thu 11/510:47 pm -
2 stops27h 23m
Thu 11/1212:10 pm -
1 stop33h 50m
Deal found 10/6![Multiple Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Fri 11/610:20 pm -
Nonstop7h 00m
Fri 11/1312:05 pm -
Nonstop8h 15m
Deal found 10/6![United Airlines logo]()
$765
This United deal was found by Cheapflights users on 10/3. 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 11/610:20 pm -
Nonstop7h 00m
Wed 11/119:10 am -
1 stop15h 55m
Deal found 10/3![Multiple Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 10/5. 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 3/199:55 am -
1 stop16h 15m
Mon 3/299:50 am -
1 stop10h 54m
Deal found 10/5![United Airlines logo]()
$806
Last-minute flights from Dulles Intl to DublinDiscover last-minute flight deals from Dulles Intl to Dublin. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Dublin. Data last updated October 9, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Wed 11/49:55 am -
2 stops27h 30m
Wed 11/116:15 am -
2 stops19h 08m
Deal found 10/5![Multiple Airlines logo]()
$590
This Air France deal was found by Cheapflights users on 10/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:23 am -
1 stop19h 32m
Sun 11/89:55 am -
1 stop14h 55m
Deal found 10/5![Air France logo]()
$614
This Flightnetwork deal was found by Cheapflights users on 10/6. 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 Flightnetwork 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 10/6![Icelandair logo]()
$604
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:55 am -
2 stops29h 00m
Wed 11/186:15 am -
2 stops19h 08m
Deal found 10/6![Multiple Airlines logo]()
$597
This Mytrip deal was found by Cheapflights users on 10/8. 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 11/109:55 am -
3 stops32h 25m
Tue 11/176:15 am -
2 stops19h 08m
Deal found 10/8![Multiple Airlines logo]()
$606
This Air France deal was found by Cheapflights users on 10/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:00 pm -
2 stops12h 45m
Sun 11/2210:45 am -
1 stop11h 43m
Deal found 10/5![Air France logo]()
$610
This Mytrip deal was found by Cheapflights users on 10/3. 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.
Fri 11/139:55 am -
2 stops21h 25m
Fri 11/204:15 pm -
3 stops33h 08m
Deal found 10/3![Multiple Airlines logo]()
$609
This Mytrip deal was found by Cheapflights users on 10/7. 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.
Sat 11/149:55 am -
2 stops21h 50m
Sat 11/214:25 pm -
2 stops28h 30m
Deal found 10/7![Multiple Airlines logo]()
$621
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:00 pm -
3 stops34h 00m
Tue 11/246:15 am -
2 stops19h 08m
Deal found 10/5![Multiple Airlines logo]()
$617
This Mytrip deal was found by Cheapflights users on 10/3. 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 11/169:55 am -
2 stops29h 00m
Mon 11/235:05 pm -
3 stops32h 18m
Deal found 10/3![Multiple Airlines logo]()
$607
This Mytrip deal was found by Cheapflights users on 10/4. 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.
Tue 11/179:55 am -
3 stops32h 25m
Wed 11/256:15 am -
2 stops19h 08m
Deal found 10/4![Multiple Airlines logo]()
$594
One-way flights from Dulles Intl to DublinSearch for one-way flight options from Dulles Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Dulles Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Expedia deal was found by Cheapflights users on 10/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/289:45 pm -
1 stop11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![British Airways logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Mon 11/25:25 pm -
3 stops58h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Tue 11/35:25 pm -
3 stops23h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Tue 11/106:07 pm -
2 stops30h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$313
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:00 pm -
1 stop14h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$314
This Booking.com deal was found by Cheapflights users on 10/3. 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.
Wed 1/65:15 pm -
Nonstop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Aer Lingus logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Mon 11/95:25 pm -
3 stops58h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:40 pm -
2 stops30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 3/3110:25 pm -
Nonstop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Thu 2/47:40 pm -
2 stops30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$327
Find flight deals from Dulles Intl to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $589 (Kiwi.com) |
One-way from | $308 (Expedia) |
Popular in | June |
Cheapest in | February |
Average price | $797 |
Good round-trip deal | $759 or less |
Good one-way deal | $477 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Dublin 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 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dublin 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
Sun 11/8
10:30 pm-6:55 pm
3 stops39h 25m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$312
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 3/31
10:25 pm-10:40 am
Nonstop7h 15m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$325
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 3/31
1:05 pm-8:15 am
2 stops14h 10m
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 10/17
10:35 pm-1:00 pm
2 stops57h 25m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$366
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 10/14
11:20 pm-11:05 am
1 stop30h 45m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$369
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sat 1/2
10:15 pm-10:20 am
Nonstop7h 05m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$419
Quickest round-trip
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sun 10/25
9:50 pm-8:45 am
Nonstop6h 55m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$421
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 10/14
9:00 pm-7:15 am
3 stops29h 15m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$447
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Fri 11/6
9:05 pm-10:55 pm
2 stops20h 50m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$467
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sat 10/17
5:15 pm-5:15 am
Nonstop7h 00m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$468
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Dublin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Dublin in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Dublin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dulles Intl to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Dulles Intl with our price prediction graph.
IAD-DUB
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 Dublin
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How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Dublin?
The best time to book flights from Washington, D.C. Dulles Intl Airport to Dublin is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Dublin?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of $631). Flying from Washington, D.C. Dulles Intl Airport to Dublin 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 DUB?
Find hourly flight availability from Dulles Intl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 9, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Washington, D.C. to Dublin delayed?
About 12% of weekly flights between Washington, D.C. and Dublin 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 Dublin 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 Dublin flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 8% of flights being delayed.
What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Dublin?
Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Dublin chosen by Cheapflights users in the past 12 months, using the same layover each way.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 80% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Dublin on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Dublin?
Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Dublin, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $606.
What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Dublin?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Dublin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 9h 35m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Dublin?
Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Dublin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 20m.
The best insider tips for Washington, D.C. Dulles Intl Airport to Dublin flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Dublin trip
Our travel experts
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated October 9, 2026.
Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines from Washington, D.C. Dulles Intl Airport to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
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Dulles Intl and Dublin flights
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Top 7 airlines flying from Dulles Intl to Dublin
Discover the top 7 airlines that operate flights from Dulles Intl to Dublin. 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$377 | Average$625 | 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$719 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$519 | Average$811 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$586 | Average$895 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$867 | FlexibilityNo cancel fee | On-time76% |