Cheap flights from Dublin to Washington, D.C. Dulles Intl Airport from £318
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
10 Dec — 17 Dec1
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 36 days in advance, depart on a Tuesday or Sunday 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 10 November 2026.
Sun 15/1115:50 -
Nonstop8h 30m
Mon 23/1117:15 -
Nonstop6h 50m
Deal found 8/11£419
Mon 23/1111:30 -
1 stop12h 00m
Sun 29/1119:40 -
1 stop9h 35m
Deal found 9/11£473
Tue 1/1212:30 -
1 stop33h 45m
Sat 5/1220:30 -
1 stop34h 15m
Deal found 6/11£487
Thu 19/1109:10 -
1 stop15h 55m
Sat 28/1117:25 -
1 stop12h 55m
Deal found 10/11£492
Thu 19/1109:10 -
1 stop15h 55m
Sat 28/1122:20 -
Nonstop7h 00m
Deal found 10/11£493
Mon 21/1211:30 -
1 stop12h 00m
Thu 31/1219:40 -
1 stop9h 35m
Deal found 8/11£505
Mon 23/1117:05 -
1 stop26h 35m
Wed 2/1222:30 -
1 stop30h 55m
Deal found 9/11£508
Mon 14/1211:30 -
1 stop12h 00m
Mon 4/119:40 -
1 stop9h 35m
Deal found 8/11£512
Sun 15/1105:45 -
1 stop14h 55m
Mon 23/1118:20 -
1 stop9h 25m
Deal found 8/11£513
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 10 November 2026.
Tue 1/1211:30 -
2 stops34h 45m
Sat 5/1220:30 -
2 stops17h 00m
Deal found 6/11£504
Sat 30/109:00 -
1 stop11h 45m
Tue 2/212:35 -
1 stop13h 55m
Deal found 9/11£530
Thu 10/1205:45 -
2 stops16h 48m
Mon 14/1218:40 -
1 stop14h 50m
Deal found 9/11£530
Fri 20/1112:05 -
Nonstop8h 15m
Sun 29/1122:20 -
Nonstop7h 00m
Deal found 10/11£535
Sat 26/1210:20 -
1 stop14h 00m
Sun 10/118:40 -
1 stop14h 45m
Deal found 9/11£531
Sat 21/1109:00 -
1 stop16h 10m
Sat 5/1222:15 -
Nonstop7h 05m
Deal found 5/11£532
Tue 24/1112:05 -
Nonstop8h 15m
Sun 29/1115:37 -
1 stop11h 33m
Deal found 5/11£537
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 10 November 2026.
Thu 10/1212:05 -
Nonstop8h 20m
Mon 14/1222:15 -
Nonstop7h 05m
Deal found 9/11£519
Sat 12/1212:20 -
Nonstop8h 25m
Sat 26/1220:50 -
Nonstop6h 55m
Deal found 10/11£521
Sat 23/112:20 -
Nonstop8h 25m
Wed 27/117:15 -
Nonstop6h 50m
Deal found 8/11£521
Sun 22/1112:05 -
Nonstop8h 15m
Sun 29/1122:20 -
Nonstop7h 00m
Deal found 9/11£532
Fri 20/1112:05 -
Nonstop8h 15m
Sat 28/1122:20 -
Nonstop7h 00m
Deal found 7/11£533
Sat 21/1112:05 -
Nonstop8h 15m
Sat 5/1222:15 -
Nonstop7h 05m
Deal found 5/11£534
Fri 20/1112:05 -
Nonstop8h 15m
Sun 29/1122:20 -
Nonstop7h 00m
Deal found 10/11£535
Mon 23/1112:05 -
Nonstop8h 15m
Wed 2/1222:15 -
Nonstop7h 05m
Deal found 9/11£536
Thu 11/312:05 -
Nonstop8h 20m
Thu 18/323:10 -
Nonstop7h 10m
Deal found 10/11£553
Wed 31/312:40 -
Nonstop8h 05m
Thu 8/420:45 -
Nonstop7h 00m
Deal found 8/11£561
Tue 13/408:50 -
Nonstop8h 00m
Wed 21/419:10 -
Nonstop7h 10m
Deal found 6/11£565
Thu 24/1212:05 -
Nonstop8h 20m
Wed 30/1222:15 -
Nonstop7h 05m
Deal found 10/11£577
Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated 10 November 2026 and is based on user searches.
Sun 15/1115:50 -
Nonstop8h 30m
Mon 23/1117:15 -
Nonstop6h 50m
Deal found 8/11£419
Sun 15/1105:45 -
1 stop14h 55m
Mon 23/1118:20 -
1 stop9h 25m
Deal found 8/11£513
Thu 19/1109:10 -
1 stop15h 55m
Sat 28/1117:25 -
1 stop12h 55m
Deal found 10/11£492
Thu 19/1109:10 -
1 stop15h 55m
Sat 28/1122:20 -
Nonstop7h 00m
Deal found 10/11£493
Mon 23/1111:30 -
1 stop12h 00m
Mon 30/1119:40 -
1 stop9h 35m
Deal found 9/11£473
Mon 23/1117:05 -
1 stop26h 35m
Wed 2/1222:30 -
1 stop30h 55m
Deal found 9/11£508
Tue 1/1212:30 -
1 stop33h 45m
Sat 5/1220:30 -
1 stop34h 15m
Deal found 6/11£487
Mon 14/1211:30 -
1 stop12h 00m
Mon 4/119:40 -
1 stop9h 35m
Deal found 8/11£512
Mon 21/1211:30 -
1 stop12h 00m
Thu 31/1219:40 -
1 stop9h 35m
Deal found 8/11£505
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 10 November 2026.
Tue 26/105:45 -
2 stops16h 48m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11£318
Wed 17/308:50 -
1 stop12h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11£343
Fri 19/308:50 -
1 stop12h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£344
Sun 4/408:55 -
1 stop11h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/11£346
Sun 4/405:55 -
1 stop14h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£347
Fri 2/405:55 -
1 stop14h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£349
Sat 28/1117:05 -
3 stops55h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£497
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 10 November 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 10 November 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
Tue 26/1
05:45-17:33
2 stops16h 48m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£318
Fastest return journey
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Fri 19/3
08:50-16:55
1 stop12h 05m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£344
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Sun 4/4
05:55-15:30
1 stop14h 35m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£346
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Fri 2/4
05:55-15:30
1 stop14h 35m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£349
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Tue 1/12
11:30-17:15
2 stops34h 45m
Washington, D.C. Dulles Intl
Sat 5/12
20:30-18:30
2 stops17h 00m
£504
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
£527
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Sat 30/1
09:00-15:45
1 stop11h 45m
Washington, D.C. Dulles Intl
Tue 2/2
12:35-07:30
1 stop13h 55m
£530
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Thu 10/12
05:45-17:33
2 stops16h 48m
Washington, D.C. Dulles Intl
Mon 14/12
18:40-14:30
1 stop14h 50m
£530
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Sat 26/12
10:20-19:20
1 stop14h 00m
Washington, D.C. Dulles Intl
Sun 10/1
18:40-14:25
1 stop14h 45m
£531
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Sat 21/11
09:00-20:10
1 stop16h 10m
Washington, D.C. Dulles Intl
Sat 5/12
22:15-10:20
Nonstop7h 05m
£532
Flights are sorted by cheapest return flights first.
Deals found on 9/11
Showing 1-10 of 12 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 £392). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £626). 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 10 November 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 typical for this route at the moment.
Dublin to Washington, D.C. Dulles Intl Airport flights typically cost between £357 and £481 in January.The cheapest return price found within the last 5 days was £383 on Icelandair (23 Jan–27 Jan).
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 10 November 2026.
The most flights from DUB to IAD 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 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 147 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 early afternoon 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 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 £385.
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 10 November 2026.
Check out reviews from past customers who have flown with Aer Lingus and United Airlines 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.
Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
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 10 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 £532, Scandinavian Airlines can have you in Washington, D.C. Dulles Intl Airport from Dublin in 16h 10m. 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 Aer Lingus is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £365. Another option worth looking into is United Airlines, starting at £560 return. You may be able to fly from Dublin to Washington, D.C. Dulles Intl Airport for 28% 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%), Lufthansa (87%) or American Airlines (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 £222. On average you can expect to pay £572. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for £554.
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 £392). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £626). 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 10 November 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 10 November 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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