Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from £224
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
26 Nov — 3 Dec1
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 April, booked 4 days in advance, depart on a Monday or Friday and return on a Tuesday
Cheap flight deals from Dulles Intl to Dublin
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
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 27 October 2026.
Wed 11/1119:40 -
1 stop9h 35m
Thu 10/1211:30 -
1 stop12h 00m
Deal found 22/10£454
Sun 6/1222:30 -
3 stops28h 35m
Sun 13/1206:15 -
2 stops19h 20m
Deal found 22/10£478
Sat 7/1117:25 -
1 stop12h 00m
Fri 13/1111:10 -
1 stop14h 20m
Deal found 23/10£480
Wed 11/1119:40 -
1 stop9h 35m
Fri 11/1211:30 -
1 stop12h 00m
Deal found 22/10£491
Tue 17/1119:40 -
1 stop9h 35m
Tue 24/1111:30 -
1 stop12h 00m
Deal found 26/10£499
Tue 10/1117:25 -
1 stop24h 55m
Wed 18/1104:25 -
1 stop15h 50m
Deal found 24/10£523
Sun 29/1121:45 -
1 stop11h 30m
Tue 8/1213:25 -
1 stop11h 30m
Deal found 22/10£528
Tue 8/1220:50 -
Nonstop6h 55m
Tue 15/1212:20 -
Nonstop8h 25m
Deal found 24/10£530
Sun 29/1122:20 -
Nonstop7h 00m
Tue 15/1205:10 -
1 stop14h 25m
Deal found 26/10£535
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 27 October 2026.
Tue 2/322:10 -
Nonstop7h 10m
Thu 11/312:05 -
Nonstop8h 20m
Deal found 26/10£529
Mon 8/218:05 -
1 stop10h 50m
Wed 10/210:30 -
1 stop14h 25m
Deal found 26/10£532
Wed 7/422:25 -
Nonstop7h 15m
Thu 22/409:50 -
1 stop10h 54m
Deal found 22/10£530
Tue 8/1208:35 -
1 stop20h 20m
Tue 15/1209:00 -
2 stops31h 48m
Deal found 24/10£535
Thu 4/322:10 -
Nonstop7h 10m
Thu 11/312:05 -
Nonstop8h 20m
Deal found 26/10£567
Fri 9/419:10 -
Nonstop7h 10m
Fri 16/409:50 -
1 stop10h 54m
Deal found 26/10£567
Thu 18/308:35 -
1 stop19h 35m
Wed 24/312:05 -
Nonstop8h 20m
Deal found 24/10£570
Sun 6/1222:15 -
Nonstop7h 05m
Sun 13/1209:00 -
1 stop16h 10m
Deal found 22/10£578
Fri 11/1208:35 -
1 stop17h 55m
Thu 17/1212:05 -
Nonstop8h 20m
Deal found 22/10£583
Thu 10/1208:15 -
1 stop18h 55m
Thu 17/1212:05 -
Nonstop8h 20m
Deal found 26/10£583
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 27 October 2026.
Sun 28/222:10 -
Nonstop7h 10m
Thu 11/312:05 -
Nonstop8h 20m
Deal found 26/10£529
Tue 8/1220:50 -
Nonstop6h 55m
Tue 15/1212:20 -
Nonstop8h 25m
Deal found 24/10£530
Sun 4/419:10 -
Nonstop7h 10m
Wed 14/412:30 -
Nonstop8h 05m
Deal found 23/10£532
Sun 29/1122:20 -
Nonstop7h 00m
Tue 8/1212:05 -
Nonstop8h 20m
Deal found 24/10£542
Mon 30/1122:20 -
Nonstop7h 00m
Thu 10/1212:05 -
Nonstop8h 20m
Deal found 25/10£543
Mon 15/323:10 -
Nonstop7h 10m
Tue 23/312:05 -
Nonstop8h 20m
Deal found 22/10£555
Sun 6/1220:50 -
Nonstop6h 55m
Sun 13/1212:20 -
Nonstop8h 25m
Deal found 22/10£558
Mon 15/323:10 -
Nonstop7h 10m
Wed 31/312:30 -
Nonstop8h 05m
Deal found 23/10£558
Thu 10/1220:50 -
Nonstop6h 55m
Thu 17/1215:50 -
Nonstop8h 30m
Deal found 26/10£564
Sat 27/222:10 -
Nonstop7h 10m
Wed 10/312:05 -
Nonstop8h 20m
Deal found 26/10£567
Thu 8/422:25 -
Nonstop7h 15m
Tue 13/412:30 -
Nonstop8h 05m
Deal found 23/10£570
Last-minute flights from Dulles Intl to Dublin
Discover last-minute flight deals from Dulles Intl to Dublin. Data last updated 27 October 2026 and is based on user searches.
Sun 1/1122:35 -
1 stop30h 20m
Tue 10/1112:05 -
Nonstop8h 15m
Deal found 23/10£585
Mon 2/1122:20 -
Nonstop7h 00m
Thu 12/1105:10 -
1 stop15h 45m
Deal found 23/10£572
Tue 3/1118:32 -
2 stops14h 58m
Sun 8/1105:45 -
1 stop14h 55m
Deal found 23/10£614
Tue 3/1122:20 -
Nonstop7h 00m
Sun 15/1109:00 -
1 stop11h 45m
Deal found 22/10£615
Tue 3/1112:37 -
1 stop13h 53m
Sun 8/1112:05 -
Nonstop8h 15m
Deal found 22/10£621
Tue 3/1118:32 -
2 stops14h 58m
Sun 15/1108:55 -
1 stop11h 45m
Deal found 22/10£621
Wed 4/1122:20 -
Nonstop7h 00m
Thu 12/1112:05 -
Nonstop8h 15m
Deal found 24/10£580
Wed 4/1110:15 -
1 stop16h 55m
Tue 10/1112:05 -
Nonstop8h 15m
Deal found 22/10£583
Wed 4/1121:55 -
1 stop14h 05m
Sun 8/1119:25 -
1 stop25h 15m
Deal found 22/10£610
Wed 4/1117:13 -
2 stops14h 27m
Sun 8/1108:55 -
1 stop11h 45m
Deal found 23/10£617
Thu 5/1122:20 -
Nonstop7h 00m
Wed 11/1105:10 -
1 stop15h 45m
Deal found 23/10£609
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 27 October 2026.
Thu 10/1219:40 -
2 stops36h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10£224
Tue 1/1217:25 -
3 stops33h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/10£231
Thu 1/420:30 -
1 stop9h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10£234
Tue 8/1217:25 -
3 stops23h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10£237
Mon 22/218:05 -
1 stop18h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10£238
Tue 8/1219:40 -
1 stop9h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10£239
Mon 7/1219:40 -
1 stop9h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10£240
Mon 30/1119:40 -
1 stop9h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/10£243
Mon 29/318:30 -
2 stops11h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10£243
Sun 28/313:00 -
2 stops16h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10£246
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 27 October 2026.
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 7,457,451 searches. Data last updated 27 October 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
Price
Cheapest return flight
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sun 28/2
21:45-14:55
1 stop12h 10m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£238
Fastest return journey
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Mon 7/12
19:40-10:15
1 stop9h 35m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£242
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 7/4
18:30-12:35
2 stops13h 05m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£252
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Tue 23/3
13:25-06:10
2 stops36h 45m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£253
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sun 8/11
19:40-10:15
1 stop9h 35m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£319
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Mon 4/1
20:10-11:20
1 stop34h 10m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£357
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Thu 10/12
19:40-10:15
1 stop9h 35m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£363
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Sun 6/12
19:40-10:15
1 stop9h 35m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£369
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Wed 11/11
18:05-17:00
1 stop17h 55m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£394
Washington, D.C.Dublin
IAD Washington, D.C. Dulles Intl - DUB Dublin
IADDUB
Washington, D.C. Dulles Intl
Tue 10/11
18:05-12:10
1 stop13h 05m
Dublin
Wed 31/12
00:00-18:00
Nonstop0h 00m
£398
Flights are sorted by cheapest return flights first.
Deals found on 22/10
Showing 1-10 of 20 resultsSorted by cheapest first
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.
IAD-DUB
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?
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 3 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 £463). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of £805). 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 27 October 2026.
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.
How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Dublin?
Airfare is typical for this route at the moment.
Washington, D.C. Dulles Intl Airport to Dublin flights typically cost between £405 and £808 in November.The cheapest return price found within the last 5 days was £454 on Icelandair (11 Nov–10 Dec).
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 27 October 2026.
The most flights from IAD to DUB are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).
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 past year, Aer Lingus have had the lowest number of delays on this route, with just 8% 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 10 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?
United Airlines and British Airways can get you from Washington, D.C. Dulles Intl Airport to Dublin in just under 7h 10m. Your travel time can differ by up to 3h 40m. 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 Qatar Airways (93%), American Airlines (91%) or Aer Lingus (91%) 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 £674, our data indicates the cheapest price to be £196. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around £546.
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 £463). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of £805). 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 27 October 2026.
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 27 October 2026.
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!
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