Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from £352
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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
11 Jan — 18 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in February or January, booked 8 days in advance, depart on a Sunday or Wednesday and return on a Thursday
Cheap flight deals from Dulles Intl to Dublin
Enter your travel dates to find the best prices.
Cheapest flights from Dulles Intl to Dublin
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 12 December 2025.
Tue 30/1206:00IAD - DUB
1 stop20h 45mDelta
Wed 7/113:25DUB - IAD
2 stops34h 44mDelta
Deal found 10/12£507
Mon 29/1218:59IAD - DUB
2 stops33h 21mDelta
Wed 7/113:25DUB - IAD
2 stops34h 44mDelta
Deal found 10/12£519
Sun 28/1222:20IAD - DUB
Nonstop7h 00mUnited Airlines
Wed 7/109:00DUB - IAD
1 stop11h 46mUnited Airlines
Deal found 10/12£566
Wed 31/1221:45IAD - DUB
1 stop29h 10mBritish Airways
Thu 8/120:40DUB - IAD
1 stop23h 55mBritish Airways
Deal found 10/12£568
Mon 29/1206:30IAD - DUB
1 stop20h 40mUnited Airlines
Wed 7/109:00DUB - IAD
1 stop16h 26mUnited Airlines
Deal found 10/12£569
Tue 30/1214:21IAD - DUB
1 stop12h 24mDelta
Thu 8/108:50DUB - IAD
1 stop12h 15mDelta
Deal found 12/12£571
Sat 27/1222:33IAD - DUB
1 stop28h 37mUnited Airlines
Wed 7/109:00DUB - IAD
1 stop11h 46mUnited Airlines
Deal found 10/12£578
Mon 29/1213:00IAD - DUB
1 stop14h 10mUnited Airlines
Thu 8/109:30DUB - IAD
1 stop11h 55mUnited Airlines
Deal found 10/12£580
Sat 27/1222:33IAD - DUB
1 stop28h 37mUnited Airlines
Thu 8/109:30DUB - IAD
1 stop11h 55mUnited Airlines
Deal found 10/12£585
Best flights from Dulles Intl to Dublin
Discover carefully curated flight deals from Dulles Intl to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.
Mon 26/116:50IAD - DUB
1 stop20h 30mScandinavian Airlines
Fri 30/111:30DUB - IAD
2 stops36h 20mScandinavian Airlines
Deal found 11/12£382
Tue 17/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Wed 25/308:00DUB - IAD
1 stop16h 26mUnited Airlines
Deal found 11/12£434
Sun 5/422:25IAD - DUB
Nonstop7h 15mLufthansa
Tue 14/408:45DUB - IAD
1 stop12h 05mLufthansa
Deal found 9/12£437
Tue 10/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Wed 18/308:00DUB - IAD
1 stop11h 46mUnited Airlines
Deal found 11/12£434
Thu 16/420:20IAD - DUB
2 stops33h 00mScandinavian Airlines
Tue 21/411:40DUB - IAD
2 stops34h 10mScandinavian Airlines
Deal found 11/12£438
Wed 1/422:20IAD - DUB
1 stop13h 35mLufthansa
Fri 10/408:45DUB - IAD
1 stop12h 05mLufthansa
Deal found 9/12£443
Wed 1/419:10IAD - DUB
Nonstop7h 10mUnited Airlines
Wed 8/409:50DUB - IAD
1 stop10h 49mUnited Airlines
Deal found 11/12£437
Mon 6/422:25IAD - DUB
Nonstop7h 15mUnited Airlines
Thu 16/409:50DUB - IAD
2 stops16h 35mUnited Airlines
Deal found 9/12£437
Tue 24/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Tue 31/309:50DUB - IAD
1 stop15h 34mUnited Airlines
Deal found 11/12£437
Mon 6/419:10IAD - DUB
Nonstop7h 10mUnited Airlines
Wed 15/412:30DUB - IAD
Nonstop8h 05mUnited Airlines
Deal found 11/12£441
Mon 30/319:10IAD - DUB
Nonstop7h 10mUnited Airlines
Wed 8/408:50DUB - IAD
Nonstop8h 00mUnited Airlines
Deal found 9/12£441
Direct flights from Dulles Intl to Dublin
Explore direct flight options from Dulles Intl to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 December 2025.
Wed 4/322:20IAD - DUB
Nonstop7h 00mUnited Airlines
Wed 18/312:05DUB - IAD
Nonstop8h 15mUnited Airlines
Deal found 10/12£438
Wed 1/422:25IAD - DUB
Nonstop7h 15mUnited Airlines
Tue 7/412:30DUB - IAD
Nonstop8h 05mUnited Airlines
Deal found 9/12£441
Thu 19/222:20IAD - DUB
Nonstop7h 00mLufthansa
Tue 24/212:05DUB - IAD
Nonstop8h 15mLufthansa
Deal found 11/12£475
Fri 3/422:25IAD - DUB
Nonstop7h 15mLufthansa
Fri 10/412:30DUB - IAD
Nonstop8h 05mLufthansa
Deal found 9/12£478
Wed 6/519:10IAD - DUB
Nonstop7h 10mUnited Airlines
Fri 15/508:50DUB - IAD
Nonstop8h 00mUnited Airlines
Deal found 9/12£500
Fri 27/222:20IAD - DUB
Nonstop7h 00mUnited Airlines
Thu 5/312:05DUB - IAD
Nonstop8h 15mUnited Airlines
Deal found 10/12£510
Thu 19/222:20IAD - DUB
Nonstop7h 00mUnited Airlines
Mon 23/212:05DUB - IAD
Nonstop8h 15mUnited Airlines
Deal found 10/12£512
Sun 4/122:20IAD - DUB
Nonstop7h 00mUnited Airlines
Sun 26/408:50DUB - IAD
Nonstop8h 00mUnited Airlines
Deal found 10/12£515
Thu 2/422:25IAD - DUB
Nonstop7h 15mUnited Airlines
Mon 6/408:50DUB - IAD
Nonstop8h 00mUnited Airlines
Deal found 10/12£515
Tue 24/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Sat 4/408:50DUB - IAD
Nonstop8h 00mUnited Airlines
Deal found 10/12£534
Wed 25/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Fri 3/408:50DUB - IAD
Nonstop8h 00mUnited Airlines
Deal found 10/12£535
Wed 13/522:25IAD - DUB
Nonstop7h 15mLufthansa
Thu 21/512:30DUB - IAD
Nonstop8h 00mLufthansa
Deal found 11/12£537
Last-minute flights from Dulles Intl to Dublin
Discover last-minute flight deals from Dulles Intl to Dublin. Data last updated 12 December 2025 and is based on user searches.
Sun 4/122:20IAD - DUB
Nonstop7h 00mUnited Airlines
Sun 11/109:00DUB - IAD
2 stops17h 25mUnited Airlines
Deal found 11/12£471
Tue 6/117:17IAD - DUB
1 stop33h 53mUnited Airlines
Sat 9/509:50DUB - IAD
2 stops31h 00mUnited Airlines
Deal found 11/12£469
Wed 7/108:20IAD - DUB
1 stop18h 50mUnited Airlines
Sun 11/109:00DUB - IAD
2 stops31h 55mUnited Airlines
Deal found 11/12£465
Fri 9/116:30IAD - DUB
1 stop9h 40mUnited Airlines
Fri 16/109:00DUB - IAD
2 stops36h 25mUnited Airlines
Deal found 10/12£466
Sun 11/121:45IAD - DUB
1 stop16h 55mBritish Airways
Tue 20/113:25DUB - IAD
1 stop11h 30mBritish Airways
Deal found 11/12£441
Sun 11/116:30IAD - DUB
1 stop9h 40mUnited Airlines
Tue 20/110:40DUB - IAD
1 stop11h 55mUnited Airlines
Deal found 11/12£447
Thu 22/112:23IAD - DUB
2 stops24h 57mScandinavian Airlines
Wed 28/111:30DUB - IAD
2 stops34h 45mScandinavian Airlines
Deal found 10/12£365
Sat 24/120:30IAD - DUB
2 stops34h 15mScandinavian Airlines
Sat 31/110:10DUB - IAD
1 stop13h 40mScandinavian Airlines
Deal found 10/12£367
Mon 26/116:50IAD - DUB
1 stop13h 55mScandinavian Airlines
Fri 30/119:05DUB - IAD
1 stop28h 45mScandinavian Airlines
Deal found 11/12£376
One-way flights from Dulles Intl to Dublin
Search for one-way flight options from Dulles Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 12 December 2025.
Sun 1/322:20IAD - DUB
Nonstop7h 00mLufthansa
Deal found 10/12£352
Sun 28/1208:40IAD - DUB
2 stops17h 30mUnited Airlines
Deal found 10/12£361
Fri 27/319:59IAD - DUB
1 stop8h 46mDelta
Deal found 10/12£394
Fri 13/222:13IAD - DUB
2 stops27h 57mUnited Airlines
Deal found 10/12£395
Wed 24/1222:33IAD - DUB
1 stop28h 37mUnited Airlines
Deal found 11/12£404
Mon 18/519:15IAD - DUB
1 stop11h 35mBritish Airways
Deal found 10/12£432
Mon 18/522:25IAD - DUB
Nonstop7h 15mLufthansa
Deal found 10/12£438
Sat 23/522:35IAD - DUB
1 stop20h 30mTAP AIR PORTUGAL
Deal found 10/12£447
Mon 18/520:30IAD - DUB
1 stop11h 45mIcelandair
Deal found 10/12£452
Fri 27/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 10/12£458
Fri 22/518:00IAD - DUB
1 stop12h 35mLufthansa
Deal found 10/12£468
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 12 December 2025.
Customise 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 858,174 searches. Data last updated 12 December 2025.
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
Dulles Intl
Fly to
Dublin
Route
Depart
Return
Price
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 26/1
16:50-18:20
1 stop20h 30m
Dublin
Fri 30/1
11:30-18:50
2 stops36h 20m
£382
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 17/3
23:20-10:20
Nonstop7h 00m
Dublin
Wed 25/3
08:00-20:26
1 stop16h 26m
£434
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 10/3
23:20-10:20
Nonstop7h 00m
Dublin
Wed 18/3
08:00-15:46
1 stop11h 46m
£434
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sun 5/4
22:25-10:40
Nonstop7h 15m
Dublin
Tue 14/4
08:45-15:50
1 stop12h 05m
£437
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 1/4
19:10-07:20
Nonstop7h 10m
Dublin
Wed 8/4
09:50-15:39
1 stop10h 49m
£437
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 6/4
22:25-10:40
Nonstop7h 15m
Dublin
Thu 16/4
09:50-21:25
2 stops16h 35m
£437
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 24/3
23:20-10:20
Nonstop7h 00m
Dublin
Tue 31/3
09:50-20:24
1 stop15h 34m
£437
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Thu 16/4
20:20-10:20
2 stops33h 00m
Dublin
Tue 21/4
11:40-16:50
2 stops34h 10m
£438
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 6/4
19:10-07:20
Nonstop7h 10m
Dublin
Wed 15/4
12:30-15:35
Nonstop8h 05m
£441
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 30/3
19:10-07:20
Nonstop7h 10m
Dublin
Wed 8/4
08:50-11:50
Nonstop8h 00m
£441
Flights are sorted by cheapest return flights first.
Deals found on 10/12
Showing 1-10 of 20 results
1
2
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.
Estimated return 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
Prices
Airlines
Delays
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Dublin?
Use this chart to determine the optimal time to book a return flight from Dulles Intl to Dublin. Price data was last updated on 5 December 2025.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 £277). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of £403). 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 12 December 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Dublin as you normally would.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Dublin
Explore weekly flight availability from Dulles Intl to Dublin. 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 12 December 2025.
The most flights from IAD to DUB are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).
How often are flights from Washington, D.C. to Dublin delayed?
About 20% of weekly flights between Washington, D.C. and Dublin have experienced delays in the past year, with the average delay time being 166 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?
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 Dublin flights?
Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 16% of flights being delayed.
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.
What airport do you fly into for flights to Dublin from Washington, D.C. Dulles Intl?
For a flight from Washington, D.C. Dulles Intl to Dublin, you will be flying into Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 12 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Dublin from Washington, D.C. Dulles Intl on a regular basis.
How long is the flight from Washington, D.C. Dulles Intl Airport to Dublin?
Scandinavian Airlines, United Airlines, and Lufthansa can get you from Washington, D.C. Dulles Intl Airport to Dublin in just under 7h. Your travel time can differ by up to 13h 30m. Washington, D.C. Dulles Intl Airport and Dublin are separated by a distance of 3393 mi. This flight may include one or multiple stops.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Dublin?
No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Dublin consider choosing Aer Lingus (92%), Qatar Airways (90%) or British Airways (88%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin?
Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Dublin? While on average our users pay £640, our data indicates the cheapest price to be £310. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around £317.
Can I find deals for business class flights from Dulles Intl to Dublin?
Yes. Cheapflights offers flight deals from Dulles Intl to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 £277). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of £403). 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.
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Dulles Intl to Dublin?
Deals for Dulles Intl to Dublin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Dublin?
Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Dublin by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Dulles Intl to Dublin with no change fees?
Yes, we can. To see specific flights from Dulles Intl to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Dulles Intl to Dublin become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.