Cheap flights from Dublin to Washington, D.C. Dulles Intl Airport from £306
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
9 Oct — 16 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.
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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 9 September 2026.
Mon 23/1111:30 -
1 stop12h 00m
Fri 27/1119:40 -
1 stop9h 35m
Deal found 4/9£338
Mon 23/1111:30 -
1 stop12h 00m
Sat 28/1119:40 -
1 stop9h 35m
Deal found 4/9£339
Tue 17/1111:30 -
1 stop12h 00m
Fri 27/1119:40 -
1 stop9h 35m
Deal found 5/9£340
Sat 5/1211:30 -
1 stop12h 00m
Wed 9/1219:40 -
1 stop9h 35m
Deal found 8/9£340
Thu 19/1111:30 -
1 stop12h 00m
Wed 25/1119:40 -
1 stop9h 35m
Deal found 5/9£357
Mon 21/1216:00 -
1 stop32h 55m
Mon 4/118:05 -
1 stop10h 50m
Deal found 7/9£386
Wed 21/1010:30 -
1 stop11h 55m
Wed 20/118:05 -
1 stop10h 50m
Deal found 5/9£388
Sat 14/1109:55 -
1 stop15h 00m
Sat 21/1121:45 -
1 stop10h 00m
Deal found 8/9£390
Tue 24/1112:20 -
Nonstop8h 25m
Sun 29/1120:50 -
Nonstop6h 55m
Deal found 4/9£391
Tue 20/1008:55 -
1 stop11h 40m
Tue 27/1015:03 -
1 stop12h 42m
Deal found 5/9£396
Sun 1/1105:45 -
1 stop15h 00m
Sun 8/1121:30 -
1 stop11h 55m
Deal found 6/9£397
Sun 25/1005:45 -
1 stop15h 00m
Sun 1/1118:40 -
1 stop14h 45m
Deal found 8/9£397
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 9 September 2026.
Mon 23/1111:30 -
1 stop12h 00m
Thu 26/1119:40 -
1 stop9h 35m
Deal found 4/9£339
Wed 18/1113:05 -
1 stop11h 50m
Sun 22/1118:05 -
1 stop10h 50m
Deal found 8/9£386
Tue 20/1005:55 -
1 stop14h 40m
Tue 10/1118:40 -
1 stop14h 50m
Deal found 8/9£400
Tue 20/1008:55 -
1 stop11h 40m
Tue 3/1118:40 -
1 stop14h 50m
Deal found 8/9£400
Sat 14/1105:45 -
1 stop15h 10m
Sat 21/1118:20 -
2 stops17h 00m
Deal found 8/9£400
Tue 20/1005:55 -
1 stop14h 40m
Tue 27/1017:13 -
2 stops17h 17m
Deal found 5/9£401
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 9 September 2026.
Tue 24/1112:20 -
Nonstop8h 25m
Sun 29/1120:50 -
Nonstop6h 55m
Deal found 4/9£391
Wed 21/1012:35 -
Nonstop8h 10m
Wed 9/1220:50 -
Nonstop6h 55m
Deal found 5/9£414
Tue 20/1012:35 -
Nonstop8h 10m
Tue 3/1117:15 -
Nonstop6h 50m
Deal found 6/9£417
Tue 20/1012:30 -
Nonstop8h 05m
Tue 27/1023:20 -
Nonstop7h 00m
Deal found 5/9£418
Tue 20/1012:35 -
Nonstop8h 10m
Tue 10/1120:50 -
Nonstop6h 55m
Deal found 4/9£419
Fri 18/1212:05 -
Nonstop8h 20m
Sun 27/1222:15 -
Nonstop7h 05m
Deal found 5/9£433
Thu 1/1012:30 -
Nonstop8h 05m
Sun 11/1019:05 -
Nonstop7h 15m
Deal found 4/9£435
Sun 27/912:30 -
Nonstop8h 05m
Sun 4/1019:05 -
Nonstop7h 15m
Deal found 7/9£436
Thu 1/1008:50 -
Nonstop8h 00m
Fri 16/1022:35 -
Nonstop7h 05m
Deal found 8/9£436
Tue 13/1016:35 -
Nonstop8h 00m
Sat 17/1020:40 -
Nonstop7h 00m
Deal found 6/9£440
Wed 21/1012:30 -
Nonstop8h 05m
Wed 11/1122:20 -
Nonstop7h 00m
Deal found 5/9£453
Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated 9 September 2026 and is based on user searches.
Tue 20/1008:55 -
1 stop11h 40m
Tue 27/1015:03 -
1 stop12h 42m
Deal found 5/9£396
Tue 20/1008:55 -
1 stop11h 40m
Tue 3/1118:40 -
1 stop14h 50m
Deal found 7/9£400
Tue 20/1005:55 -
2 stops16h 38m
Tue 10/1112:35 -
2 stops20h 55m
Deal found 7/9£404
Wed 21/1010:30 -
1 stop11h 55m
Wed 20/118:05 -
1 stop10h 50m
Deal found 5/9£388
Thu 22/1005:55 -
1 stop14h 40m
Thu 29/1012:27 -
1 stop15h 18m
Deal found 7/9£402
Thu 22/1005:55 -
1 stop14h 40m
Thu 29/1018:32 -
1 stop10h 13m
Deal found 7/9£402
Sun 25/1005:45 -
1 stop15h 00m
Sun 1/1118:40 -
1 stop14h 45m
Deal found 7/9£397
Sun 25/1005:45 -
1 stop15h 00m
Sun 1/1118:40 -
1 stop14h 45m
Deal found 8/9£397
Sun 25/1005:45 -
1 stop15h 00m
Tue 3/1117:13 -
2 stops16h 17m
Deal found 4/9£398
Sun 25/1005:45 -
1 stop15h 00m
Sat 31/1018:31 -
1 stop10h 14m
Deal found 8/9£399
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 9 September 2026.
Sun 10/106:30 -
2 stops38h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£306
Mon 11/107:10 -
2 stops38h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£310
Mon 11/112:20 -
Nonstop8h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£351
Wed 27/110:30 -
1 stop14h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£360
Thu 17/1210:50 -
1 stop14h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£360
Fri 13/1113:05 -
1 stop11h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£366
Tue 27/1020:40 -
1 stop24h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£390
Mon 26/1008:45 -
1 stop11h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£397
Sun 10/112:20 -
Nonstop8h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£398
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 9 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 9 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
Sun 10/1
06:30-16:20
2 stops38h 50m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£306
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Mon 11/1
07:10-16:20
2 stops38h 10m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£310
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Mon 23/11
11:30-18:30
1 stop12h 00m
Washington, D.C. Dulles Intl
Thu 26/11
19:40-10:15
1 stop9h 35m
£339
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Thu 17/12
10:50-19:55
1 stop14h 05m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£360
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Fri 13/11
13:05-19:55
1 stop11h 50m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£366
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Wed 18/11
13:05-19:55
1 stop11h 50m
Washington, D.C. Dulles Intl
Sun 22/11
18:05-09:55
1 stop10h 50m
£386
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 20/10
05:55-15:35
1 stop14h 40m
Washington, D.C. Dulles Intl
Tue 10/11
18:40-14:30
1 stop14h 50m
£400
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 20/10
08:55-15:35
1 stop11h 40m
Washington, D.C. Dulles Intl
Tue 3/11
18:40-14:30
1 stop14h 50m
£400
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Sat 14/11
05:45-15:55
1 stop15h 10m
Washington, D.C. Dulles Intl
Sat 21/11
18:20-16:20
2 stops17h 00m
£400
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 20/10
05:55-15:35
1 stop14h 40m
Washington, D.C. Dulles Intl
Tue 27/10
17:13-14:30
2 stops17h 17m
£401
Flights are sorted by cheapest return flights first.
Deals found on 7/9
Showing 1-10 of 13 resultsSorted by cheapest first
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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 £354). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £614). 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 9 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 £408 and £592 in November.The cheapest return price found within the last 5 days was £338 on Icelandair (23 Nov–29 Nov).
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 9 September 2026.
The most flights from DUB to IAD are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 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 148 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 Friday 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 13% 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 £381.
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 9 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 9 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 £386, Icelandair can have you in Washington, D.C. Dulles Intl Airport from Dublin in 11h 50m. 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 £331. Another option worth looking into is Aer Lingus, starting at £338 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 (89%), American Airlines (82%) or Aer Lingus (82%) 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 £431. On average you can expect to pay £769. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for £400.
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 £354). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £614). 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 9 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 9 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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