Cheap flights from Dublin to Washington, D.C. Dulles Intl Airport from £293
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
12 Oct — 19 Oct1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in February or January, booked 73 days in advance, depart on a Tuesday or Thursday and return on a Sunday
Cheap 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 12 September 2025.
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 12 September 2025.
Fri 5/1211:30DUB - IAD
1 stop12h 00mIcelandair
Mon 8/1219:40IAD - DUB
1 stop9h 35mIcelandair
Deal found 11/9£293
Mon 3/1109:10DUB - IAD
1 stop16h 05mLufthansa
Mon 10/1122:20IAD - DUB
Nonstop7h 00mLufthansa
Deal found 11/9£295
Wed 1/1005:55DUB - IAD
1 stop14h 20mLufthansa
Tue 14/1022:15IAD - DUB
Nonstop7h 05mLufthansa
Deal found 11/9£295
Wed 1/1005:55DUB - IAD
1 stop14h 20mMultiple Airlines
Tue 14/1020:45IAD - DUB
1 stop16h 05mMultiple Airlines
Deal found 11/9£297
Wed 1/1005:55DUB - IAD
1 stop14h 20mLufthansa
Wed 15/1022:15IAD - DUB
Nonstop7h 05mLufthansa
Deal found 11/9£299
Wed 1/1005:55DUB - IAD
1 stop19h 05mMultiple Airlines
Wed 15/1017:45IAD - DUB
1 stop13h 25mMultiple Airlines
Deal found 11/9£300
Wed 1/1005:55DUB - IAD
1 stop14h 20mLufthansa
Fri 10/1022:20IAD - DUB
1 stop13h 35mLufthansa
Deal found 10/9£302
Sun 26/1013:40DUB - IAD
1 stop11h 15mBritish Airways
Sun 2/1118:20IAD - DUB
1 stop10h 30mBritish Airways
Deal found 11/9£304
Tue 28/1012:30DUB - IAD
1 stop33h 45mScandinavian Airlines
Thu 13/1120:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 10/9£310
Sat 25/1016:00DUB - IAD
Nonstop7h 55mAer Lingus
Sun 2/1121:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 12/9£312
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 12 September 2025.
Fri 5/1211:30DUB - IAD
1 stop12h 00mIcelandair
Mon 8/1219:40IAD - DUB
1 stop9h 35mIcelandair
Deal found 11/9£293
Wed 1/1005:55DUB - IAD
1 stop14h 20mMultiple Airlines
Tue 14/1020:45IAD - DUB
1 stop16h 05mMultiple Airlines
Deal found 11/9£297
Sat 25/1016:00DUB - IAD
Nonstop7h 55mAer Lingus
Sun 2/1121:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 12/9£312
Wed 11/211:30DUB - IAD
2 stops34h 45mScandinavian Airlines
Wed 18/220:30IAD - DUB
2 stops32h 30mScandinavian Airlines
Deal found 10/9£314
Thu 20/1105:00DUB - IAD
1 stop14h 35mLufthansa
Tue 25/1122:20IAD - DUB
Nonstop7h 00mLufthansa
Deal found 11/9£317
Tue 11/1120:40DUB - IAD
1 stop23h 55mBritish Airways
Sun 16/1118:20IAD - DUB
1 stop15h 45mBritish Airways
Deal found 11/9£319
Wed 1/1005:55DUB - IAD
1 stop19h 05mMultiple Airlines
Wed 15/1017:45IAD - DUB
1 stop13h 25mMultiple Airlines
Deal found 11/9£300
Mon 3/1109:10DUB - IAD
1 stop16h 05mLufthansa
Tue 18/1122:20IAD - DUB
Nonstop7h 00mLufthansa
Deal found 10/9£319
Sat 1/1105:10DUB - IAD
1 stop15h 40mLufthansa
Mon 17/1122:20IAD - DUB
Nonstop7h 00mLufthansa
Deal found 9/9£319
Thu 20/1105:00DUB - IAD
1 stop20h 15mMultiple Airlines
Tue 25/1120:30IAD - DUB
1 stop16h 15mMultiple Airlines
Deal found 11/9£320
Sun 26/1005:10DUB - IAD
1 stop15h 40mMultiple Airlines
Sun 2/1120:30IAD - DUB
1 stop16h 15mMultiple Airlines
Deal found 12/9£320
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 12 September 2025.
Mon 3/1112:05DUB - IAD
Nonstop8h 15mLufthansa
Mon 10/1122:20IAD - DUB
Nonstop7h 00mLufthansa
Deal found 11/9£307
Sat 25/1016:00DUB - IAD
Nonstop7h 55mAer Lingus
Sun 2/1121:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 12/9£312
Wed 1/1016:35DUB - IAD
Nonstop7h 55mAer Lingus
Tue 14/1017:20IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 11/9£312
Sun 26/1012:15DUB - IAD
Nonstop8h 20mAer Lingus
Sun 2/1117:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 11/9£319
Wed 26/1116:20DUB - IAD
Nonstop8h 10mAer Lingus
Tue 24/217:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 12/9£323
Wed 1/1016:35DUB - IAD
Nonstop7h 55mAer Lingus
Fri 10/1017:20IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 10/9£323
Mon 10/1116:20DUB - IAD
Nonstop8h 10mAer Lingus
Thu 20/1117:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 10/9£324
Wed 1/1016:35DUB - IAD
Nonstop7h 55mAer Lingus
Wed 8/1021:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 11/9£326
Wed 1/1016:35DUB - IAD
Nonstop7h 55mAer Lingus
Wed 15/1021:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 10/9£326
Fri 24/1012:50DUB - IAD
Nonstop8h 00mAer Lingus
Sun 2/1117:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 10/9£327
Thu 6/1112:05DUB - IAD
Nonstop8h 15mUnited Airlines
Thu 13/1122:20IAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 12/9£331
Sat 25/1016:00DUB - IAD
Nonstop7h 55mAer Lingus
Sat 1/1122:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 10/9£332
Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated 12 September 2025 and is based on user searches.
Wed 1/1005:55DUB - IAD
1 stop14h 20mLufthansa
Tue 14/1022:15IAD - DUB
Nonstop7h 05mLufthansa
Deal found 11/9£295
Wed 1/1005:55DUB - IAD
1 stop14h 20mMultiple Airlines
Tue 14/1020:45IAD - DUB
1 stop16h 05mMultiple Airlines
Deal found 11/9£297
Wed 1/1005:55DUB - IAD
1 stop14h 20mLufthansa
Wed 15/1022:15IAD - DUB
Nonstop7h 05mLufthansa
Deal found 11/9£299
Wed 1/1005:55DUB - IAD
1 stop19h 05mMultiple Airlines
Wed 15/1017:45IAD - DUB
1 stop13h 25mMultiple Airlines
Deal found 11/9£300
Wed 1/1005:55DUB - IAD
1 stop14h 20mLufthansa
Fri 10/1022:20IAD - DUB
1 stop13h 35mLufthansa
Deal found 10/9£302
Wed 1/1016:35DUB - IAD
Nonstop7h 55mAer Lingus
Tue 14/1017:20IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 11/9£312
Wed 1/1005:55DUB - IAD
1 stop19h 05mLufthansa
Sat 11/1022:15IAD - DUB
Nonstop7h 05mLufthansa
Deal found 11/9£320
Sat 25/1016:00DUB - IAD
Nonstop7h 55mAer Lingus
Sun 2/1121:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 12/9£312
Sun 26/1013:40DUB - IAD
1 stop11h 15mBritish Airways
Sun 2/1118:20IAD - DUB
1 stop10h 30mBritish Airways
Deal found 11/9£304
Sun 26/1020:40DUB - IAD
1 stop23h 55mBritish Airways
Mon 3/1118:20IAD - DUB
1 stop10h 30mBritish Airways
Deal found 10/9£319
Sun 26/1005:10DUB - IAD
1 stop15h 40mMultiple Airlines
Sun 2/1120:30IAD - DUB
1 stop16h 15mMultiple Airlines
Deal found 12/9£320
Tue 28/1012:30DUB - IAD
1 stop33h 45mScandinavian Airlines
Thu 13/1120:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 10/9£310
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 12 September 2025.
Wed 11/207:05DUB - IAD
3 stops38h 27mMultiple Airlines
Deal found 11/9£309
Sat 1/1116:55DUB - IAD
1 stop33h 05mTAP AIR PORTUGAL
Deal found 11/9£313
Wed 11/216:55DUB - IAD
1 stop27h 20mTAP AIR PORTUGAL
Deal found 11/9£323
Sun 30/1120:40DUB - IAD
1 stop23h 55mMultiple Airlines
Deal found 12/9£335
Mon 22/1220:40DUB - IAD
1 stop23h 55mMultiple Airlines
Deal found 10/9£336
Wed 11/212:15DUB - IAD
Nonstop8h 20mAer Lingus
Deal found 11/9£337
Mon 17/1116:20DUB - IAD
Nonstop8h 10mAer Lingus
Deal found 11/9£339
Sat 8/1111:30DUB - IAD
2 stops12h 51mMultiple Airlines
Deal found 12/9£340
Tue 23/1208:50DUB - IAD
1 stop11h 45mBritish Airways
Deal found 10/9£340
Cheapflights Fare Finder
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 858,174 searches. Data last updated 12 September 2025.
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
Dublin
Fly to
Dulles Intl
Route
Depart
Return
Price
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Fri 5/12
11:30-18:30
1 stop12h 00m
Washington, D.C. Dulles Intl
Mon 8/12
19:40-10:15
1 stop9h 35m
£293
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 1/10
05:55-15:15
1 stop14h 20m
Washington, D.C. Dulles Intl
Tue 14/10
20:45-17:50
1 stop16h 05m
£297
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 1/10
05:55-20:00
1 stop19h 05m
Washington, D.C. Dulles Intl
Wed 15/10
17:45-12:10
1 stop13h 25m
£300
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Sat 25/10
16:00-18:55
Nonstop7h 55m
Washington, D.C. Dulles Intl
Sun 2/11
21:00-08:50
Nonstop6h 50m
£312
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 11/2
11:30-17:15
2 stops34h 45m
Washington, D.C. Dulles Intl
Wed 18/2
20:30-10:00
2 stops32h 30m
£314
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Thu 20/11
05:00-14:35
1 stop14h 35m
Washington, D.C. Dulles Intl
Tue 25/11
22:20-10:20
Nonstop7h 00m
£317
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Tue 11/11
20:40-15:35
1 stop23h 55m
Washington, D.C. Dulles Intl
Sun 16/11
18:20-15:05
1 stop15h 45m
£319
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Mon 3/11
09:10-20:15
1 stop16h 05m
Washington, D.C. Dulles Intl
Tue 18/11
22:20-10:20
Nonstop7h 00m
£319
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Sat 1/11
05:10-16:50
1 stop15h 40m
Washington, D.C. Dulles Intl
Mon 17/11
22:20-10:20
Nonstop7h 00m
£319
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Thu 20/11
05:00-20:15
1 stop20h 15m
Washington, D.C. Dulles Intl
Tue 25/11
20:30-17:45
1 stop16h 15m
£320
Flights are sorted by cheapest return flights first.
Deals found on 11/9
Showing 1-10 of 20 results
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.
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
More
How far ahead should I book a flight from Dublin to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a return flight from Dublin to Dulles Intl. Price data was last updated on 29 August 2025.
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 73 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, January is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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 12 September 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Dublin to Washington, D.C. Dulles Intl Airport by exploring options for tickets at midday.
How much does it cost for a return flight from Dublin to Washington, D.C. Dulles Intl Airport?
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 12 September 2025.
The most flights from DUB to IAD are scheduled on a Tuesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
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.
Reykjavik (KEF) – chosen by Cheapflights users on 77% of one-stop itineraries from Dublin to Washington, D.C. Dulles Intl Airport on Cheapflights.
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: 11h 07m.
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: 11h 07m.
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 Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 25m.
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 12 September 2025.
Check out reviews from past customers who have flown with United Airlines, Aer Lingus, andIcelandair 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.
Lufthansa was amazing, I wish United States based airlines operated like them.
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 11 outbound flights to Washington, D.C. Dulles Intl per day. 5 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 £312, Icelandair can have you in Washington, D.C. Dulles Intl Airport from Dublin in 7h 55m. 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 Icelandair is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £292. Additional return tickets that might be worth considering are offered by British Airways and Lufthansa, with the lowest prices starting at £307 and £310, respectively. You may be able to fly from Dublin to Washington, D.C. Dulles Intl Airport for 33% 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 (100%), Air Canada (72%) or United Airlines (72%) 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 £354. On average you can expect to pay £500. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for £354.
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, January is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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 12 September 2025.
Browse through other flights departing from Dublin. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2025.
Discover the top 5 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 858,174 searches. Data last updated 12 September 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 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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