Cheap flights from Dublin to Washington, D.C. Dulles Intl Airport from £246
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
23 Oct — 30 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in November or February, booked 37 days in advance, depart on a Tuesday or Thursday and return on a Monday
Cheap flight deals from Dublin to Dulles Intl
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Dublin to Dulles Intl
Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.
Wed 2/1211:30 -
1 stop12h 00m
Wed 9/1219:40 -
1 stop9h 35m
Deal found 20/9£326
Tue 17/1111:30 -
1 stop12h 00m
Tue 24/1119:40 -
1 stop9h 35m
Deal found 19/9£341
Tue 24/1119:05 -
1 stop27h 10m
Mon 30/1120:30 -
1 stop16h 50m
Deal found 18/9£344
Thu 12/1111:30 -
1 stop12h 00m
Tue 24/1119:40 -
1 stop9h 35m
Deal found 19/9£359
Tue 3/1108:50 -
1 stop11h 50m
Tue 10/1118:05 -
1 stop10h 35m
Deal found 19/9£365
Wed 2/1211:35 -
2 stops34h 40m
Wed 9/1220:30 -
2 stops20h 05m
Deal found 20/9£376
Tue 3/1112:30 -
1 stop33h 45m
Wed 25/1120:30 -
1 stop34h 15m
Deal found 19/9£379
Tue 3/1112:30 -
2 stops33h 45m
Mon 23/1120:30 -
1 stop34h 15m
Deal found 19/9£382
Sat 5/1211:00 -
1 stop13h 55m
Wed 9/1218:05 -
1 stop10h 50m
Deal found 22/9£386
Tue 24/1108:50 -
1 stop16h 05m
Sat 5/1218:05 -
1 stop20h 35m
Deal found 22/9£387
Mon 21/1220:40 -
1 stop24h 00m
Thu 21/118:05 -
1 stop18h 30m
Deal found 19/9£388
Best flights from Dublin to Dulles Intl
Discover carefully curated flight deals from Dublin to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.
Tue 24/1112:30 -
2 stops33h 45m
Mon 30/1120:30 -
1 stop16h 50m
Deal found 18/9£361
Tue 15/1213:25 -
1 stop11h 30m
Thu 7/118:05 -
1 stop10h 50m
Deal found 22/9£388
Fri 13/1105:45 -
1 stop15h 10m
Sun 22/1121:30 -
1 stop11h 55m
Deal found 18/9£398
Tue 20/1008:55 -
1 stop11h 40m
Tue 10/1118:40 -
1 stop14h 50m
Deal found 18/9£401
Mon 14/1210:50 -
1 stop14h 05m
Wed 6/121:55 -
1 stop14h 05m
Deal found 22/9£388
Tue 3/1108:50 -
1 stop11h 55m
Tue 10/1112:35 -
2 stops20h 55m
Deal found 19/9£398
Tue 20/1008:55 -
1 stop11h 40m
Tue 3/1118:40 -
1 stop14h 50m
Deal found 19/9£401
Tue 20/1008:55 -
1 stop11h 40m
Tue 10/1112:35 -
2 stops15h 25m
Deal found 21/9£402
Tue 20/1008:55 -
1 stop11h 40m
Tue 3/1118:40 -
1 stop14h 50m
Deal found 20/9£402
Thu 24/1208:50 -
1 stop11h 55m
Wed 30/1212:36 -
2 stops14h 29m
Deal found 19/9£403
Direct flights from Dublin to Dulles Intl
Explore direct flight options from Dublin to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 September 2026.
Thu 5/1115:50 -
Nonstop8h 30m
Thu 12/1117:15 -
Nonstop6h 50m
Deal found 21/9£389
Mon 2/1112:20 -
Nonstop8h 25m
Sun 8/1120:50 -
Nonstop6h 55m
Deal found 23/9£392
Sun 15/1112:20 -
Nonstop8h 25m
Sat 21/1117:15 -
Nonstop6h 50m
Deal found 19/9£394
Sun 25/1012:20 -
Nonstop8h 25m
Sun 22/1117:15 -
Nonstop6h 50m
Deal found 22/9£417
Tue 20/1012:35 -
Nonstop8h 10m
Tue 3/1117:15 -
Nonstop6h 50m
Deal found 19/9£419
Tue 20/1012:35 -
Nonstop8h 10m
Tue 3/1120:50 -
Nonstop6h 55m
Deal found 20/9£421
Sun 18/1012:30 -
Nonstop8h 05m
Sun 25/1023:20 -
Nonstop7h 00m
Deal found 20/9£429
Mon 19/1016:25 -
Nonstop8h 00m
Mon 26/1021:50 -
Nonstop6h 55m
Deal found 21/9£436
Sun 11/1008:50 -
Nonstop8h 00m
Sun 18/1022:35 -
Nonstop7h 05m
Deal found 22/9£437
Thu 22/1016:10 -
Nonstop8h 00m
Thu 29/1021:50 -
Nonstop6h 55m
Deal found 20/9£442
Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated 23 September 2026 and is based on user searches.
Mon 19/1008:55 -
1 stop11h 40m
Mon 26/1018:31 -
1 stop10h 14m
Deal found 21/9£404
Tue 20/1008:55 -
1 stop11h 40m
Tue 3/1118:40 -
1 stop14h 50m
Deal found 18/9£401
Tue 20/1005:55 -
1 stop14h 40m
Tue 3/1118:40 -
1 stop14h 50m
Deal found 22/9£401
Tue 20/1008:55 -
1 stop11h 40m
Tue 10/1112:35 -
2 stops15h 25m
Deal found 21/9£402
Wed 21/1005:55 -
1 stop18h 40m
Wed 4/1112:30 -
2 stops15h 30m
Deal found 18/9£406
Thu 22/1005:55 -
2 stops22h 21m
Thu 29/1010:14 -
1 stop17h 31m
Deal found 20/9£409
Fri 30/1008:50 -
1 stop12h 05m
Thu 5/1118:40 -
1 stop14h 50m
Deal found 22/9£398
One-way flights from Dublin to Dulles Intl
Search for one-way flight options from Dublin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.
Wed 30/916:25 -
Nonstop8h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£246
Mon 16/1108:50 -
1 stop12h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£298
Sat 16/105:45 -
1 stop15h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£299
Tue 10/1105:45 -
2 stops16h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£302
Fri 15/106:00 -
1 stop15h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£304
Fri 19/205:45 -
2 stops22h 17m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£307
Thu 17/1205:45 -
1 stop15h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£328
Thu 7/105:45 -
2 stops16h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/9£332
Sun 1/1121:00 -
3 stops45h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£337
Find flight deals from Dublin to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Dulles Intl (IAD). 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 23 September 2026.
Customise your flight search to find flights from Dublin to Dulles Intl 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 23 September 2026.
Use the filters below to find and compare flights from Dublin to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Mon 16/11
08:50-15:55
1 stop12h 05m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£298
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 10/11
08:50-15:45
1 stop11h 55m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£299
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 23/2
05:45-15:45
1 stop15h 00m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£299
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Fri 15/1
05:45-17:30
2 stops16h 45m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£302
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Thu 17/12
05:45-15:45
1 stop15h 00m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£328
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Mon 11/1
05:45-15:55
1 stop15h 10m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£329
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Thu 7/1
05:45-15:45
1 stop15h 00m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£329
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 12/1
10:45-17:30
1 stop11h 45m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£340
Fastest return journey
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Mon 21/12
10:45-16:49
1 stop11h 04m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£341
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 24/11
12:30-17:15
2 stops33h 45m
Washington, D.C. Dulles Intl
Mon 30/11
20:30-18:20
1 stop16h 50m
£361
Flights are sorted by cheapest return flights first.
Deals found on 22/9
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
Best time to book a flight from Dublin to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dublin with our price prediction graph.
DUB-IAD
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 Dublin to Washington, D.C. Dulles Intl Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from Dublin to Washington, D.C. Dulles Intl Airport?
To ensure you get the cheapest price possible for a flight from Dublin to Washington, D.C. Dulles Intl Airport, you should look to book at least 35 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 Dublin to Washington, D.C. Dulles Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £359). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £623). 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 DUB to IAD?
Find hourly flight availability from Dublin to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Washington, D.C. Dulles Intl Airport as you normally would.
How much does it cost for a return flight from Dublin to Washington, D.C. Dulles Intl Airport?
Airfare is below average for this route at the moment.
Dublin to Washington, D.C. Dulles Intl Airport flights typically cost between £402 and £589 in December.The cheapest return price found within the last 5 days was £326 on Icelandair (2 Dec–9 Dec).
Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Dublin to Dulles Intl. 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 23 September 2026.
The most flights from DUB to IAD are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
How often are flights from Dublin to Washington, D.C. delayed?
About 13% of weekly flights between Dublin and Washington, D.C. have experienced delays in the past year, with the average delay time being 146 minutes.
What is the most punctual flight time for Dublin to Washington, D.C. flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning 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 Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dublin to Washington, D.C. flights?
Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 12% of flights being delayed.
What’s the top stopover airport for flights from Dublin to Washington, D.C. Dulles Intl Airport?
Share of one-stop return flights from Dublin to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
London (LHR) – chosen by Cheapflights users on 63% of one-stop itineraries from Dublin to Washington, D.C. Dulles Intl Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Dublin to Washington, D.C. Dulles Intl Airport?
Average return fare for one-stop flights from Dublin to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
London (LHR) is the most affordable one-stop option, with an average return flight price of £386.
What’s the fastest stopover option from Dublin to Washington, D.C. Dulles Intl Airport?
Shortest average travel time for one-stop one-way flights from Dublin to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 05m.
Which airport typically offers the quickest stopover for flights from Dublin to Washington, D.C. Dulles Intl Airport?
Average stopover duration for one-stop one-way flights from Dublin to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 1h 52m.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 23 September 2026.
Check out reviews from past customers who have flown with United Airlines and Aer Lingus from Dublin to Washington, D.C. Dulles Intl Airport 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.
It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Related info for your journey
Find useful and relevant information for your journey from Dublin to Dulles Intl. 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 from for flights from Dublin to Washington, D.C. Dulles Intl?
For a flight from Dublin to Washington, D.C. Dulles Intl, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 12 outbound flights to Washington, D.C. Dulles Intl per day. 2 airlines have flights to Washington, D.C. Dulles Intl from Dublin on a regular basis.
How long is the flight from Dublin to Washington, D.C. Dulles Intl Airport?
For as low as £388, Scandinavian Airlines can have you in Washington, D.C. Dulles Intl Airport from Dublin in 11h 30m. Airlines will cover a distance of 3393 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?
Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £337. Another option worth looking into is Aer Lingus, starting at £342 return. You may be able to fly from Dublin to Washington, D.C. Dulles Intl Airport for 32% less than the average price by searching for these airlines.
What are the most reliable airlines from Dublin to Washington, D.C. Dulles Intl Airport?
No one likes to see their flight delayed. When booking a flight from Dublin to Washington, D.C. Dulles Intl Airport consider choosing Qatar Airways (90%), American Airlines (85%) or Aer Lingus (85%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Dublin to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is £419. On average you can expect to pay £1,314. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for £401.
Can I find deals for business class flights from Dublin to Dulles Intl?
Yes. Cheapflights offers flight deals from Dublin to Dulles Intl 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 Dublin to Washington, D.C. Dulles Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £359). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £623). 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 Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.
Browse through other flights departing from Dublin. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.
Discover the top 2 airlines that operate flights from Dublin to Dulles Intl. 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 23 September 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 Dublin to Dulles Intl?
Deals for Dublin to Dulles Intl 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 Dublin to Dulles Intl?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dublin to Dulles Intl for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Dublin to Dulles Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Dulles Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Dublin to Dulles Intl become cheaper?
Of course! You can now track prices for flights from Dublin to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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