Cheap flights from Dublin to Washington, D.C. Dulles Intl Airport from £327
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
8 Feb — 15 Feb1
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 January or November, booked 37 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 9 January 2026.
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 January 2026.
Wed 11/219:05DUB - IAD
1 stop27h 10mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 5/1£327
Wed 4/211:30DUB - IAD
2 stops34h 45mScandinavian Airlines
Wed 11/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 7/1£333
Wed 4/311:30DUB - IAD
2 stops34h 45mScandinavian Airlines
Wed 11/321:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 8/1£335
Wed 18/219:05DUB - IAD
1 stop27h 10mScandinavian Airlines
Mon 16/321:30IAD - DUB
1 stop34h 15mScandinavian Airlines
Deal found 8/1£338
Sun 8/215:00DUB - IAD
1 stop31h 15mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 7/1£338
Tue 10/219:05DUB - IAD
1 stop27h 10mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 5/1£339
Sun 8/212:05DUB - IAD
2 stops34h 10mScandinavian Airlines
Mon 16/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 6/1£341
Sat 7/210:10DUB - IAD
2 stops60h 05mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 6/1£344
Sat 7/210:10DUB - IAD
2 stops60h 05mScandinavian Airlines
Mon 16/220:30IAD - DUB
2 stops33h 15mScandinavian Airlines
Deal found 6/1£349
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 January 2026.
Wed 4/311:30DUB - IAD
2 stops34h 45mScandinavian Airlines
Wed 11/321:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 8/1£335
Mon 2/205:55DUB - IAD
1 stop15h 10mDelta
Sun 8/219:49IAD - DUB
2 stops14h 56mDelta
Deal found 8/1£368
Fri 20/217:15DUB - IAD
1 stop27h 50mMultiple Airlines
Thu 26/218:50IAD - DUB
1 stop15h 55mMultiple Airlines
Deal found 8/1£368
Wed 18/211:30DUB - IAD
2 stops34h 45mScandinavian Airlines
Mon 16/321:30IAD - DUB
2 stops33h 15mScandinavian Airlines
Deal found 8/1£339
Sat 24/105:55DUB - IAD
1 stop15h 10mDelta
Wed 28/112:23IAD - DUB
2 stops14h 27mDelta
Deal found 8/1£368
Mon 2/205:55DUB - IAD
1 stop15h 10mMultiple Airlines
Tue 10/218:50IAD - DUB
1 stop15h 55mMultiple Airlines
Deal found 7/1£369
Wed 11/219:05DUB - IAD
1 stop27h 10mScandinavian Airlines
Mon 23/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 5/1£339
Sun 1/205:55DUB - IAD
1 stop15h 10mDelta
Sun 1/318:50IAD - DUB
1 stop15h 55mDelta
Deal found 8/1£368
Fri 13/219:05DUB - IAD
1 stop28h 45mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 6/1£361
Sun 18/108:50DUB - IAD
1 stop12h 15mDelta
Mon 26/119:49IAD - DUB
2 stops14h 56mDelta
Deal found 7/1£369
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 January 2026.
Sun 22/212:15DUB - IAD
Nonstop8h 20mAer Lingus
Sun 1/321:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 8/1£388
Fri 20/212:15DUB - IAD
Nonstop8h 20mAer Lingus
Fri 27/217:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 6/1£388
Sat 21/212:15DUB - IAD
Nonstop8h 20mAer Lingus
Sat 28/217:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 7/1£389
Fri 13/212:15DUB - IAD
Nonstop8h 20mAer Lingus
Sat 21/217:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 5/1£394
Thu 12/212:15DUB - IAD
Nonstop8h 20mAer Lingus
Thu 19/217:05IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 5/1£396
Fri 20/212:05DUB - IAD
Nonstop8h 15mUnited Airlines
Thu 26/222:20IAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 8/1£397
Wed 10/612:35DUB - IAD
Nonstop8h 10mAer Lingus
Wed 17/620:40IAD - DUB
Nonstop7h 00mAer Lingus
Deal found 6/1£411
Wed 8/416:10DUB - IAD
Nonstop8h 00mAer Lingus
Wed 22/420:40IAD - DUB
Nonstop7h 00mAer Lingus
Deal found 7/1£414
Fri 20/212:05DUB - IAD
Nonstop8h 15mUnited Airlines
Thu 19/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 6/1£462
Tue 24/212:05DUB - IAD
Nonstop8h 15mUnited Airlines
Sun 22/323:20IAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 7/1£463
Fri 20/212:05DUB - IAD
Nonstop8h 15mLufthansa
Fri 27/222:20IAD - DUB
Nonstop7h 00mLufthansa
Deal found 6/1£478
Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated 9 January 2026 and is based on user searches.
Wed 4/211:30DUB - IAD
2 stops34h 45mScandinavian Airlines
Wed 11/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 7/1£333
Sat 7/210:10DUB - IAD
2 stops60h 05mScandinavian Airlines
Mon 16/220:30IAD - DUB
1 stop34h 15mScandinavian Airlines
Deal found 6/1£344
Sun 8/215:00DUB - IAD
1 stop31h 15mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 7/1£338
Sun 8/212:05DUB - IAD
2 stops34h 10mScandinavian Airlines
Mon 16/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 6/1£341
Tue 10/219:05DUB - IAD
1 stop27h 10mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 5/1£339
Wed 11/219:05DUB - IAD
1 stop27h 10mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 5/1£327
Sat 14/210:10DUB - IAD
1 stop13h 40mScandinavian Airlines
Wed 18/220:30IAD - DUB
1 stop16h 50mScandinavian Airlines
Deal found 5/1£350
Wed 18/219:05DUB - IAD
1 stop27h 10mScandinavian Airlines
Mon 16/321:30IAD - DUB
1 stop34h 15mScandinavian Airlines
Deal found 8/1£338
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 January 2026.
Wed 11/216:55DUB - IAD
1 stop27h 20mTAP AIR PORTUGAL
Deal found 8/1£341
Thu 18/605:30DUB - IAD
1 stop14h 35mTAP AIR PORTUGAL
Deal found 7/1£345
Sun 31/505:30DUB - IAD
1 stop14h 35mTAP AIR PORTUGAL
Deal found 6/1£346
Fri 19/611:00DUB - IAD
1 stop11h 25mBritish Airways
Deal found 6/1£384
Wed 11/212:15DUB - IAD
Nonstop8h 20mAer Lingus
Deal found 8/1£404
Fri 6/220:35DUB - IAD
1 stop24h 00mMultiple Airlines
Deal found 7/1£461
Mon 1/606:30DUB - IAD
2 stops18h 50mBritish Airways
Deal found 7/1£518
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 9 January 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
Dublin
Fly to
Dulles Intl
Route
Depart
Return
Price
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 4/3
11:30-17:15
2 stops34h 45m
Washington, D.C. Dulles Intl
Wed 11/3
21:30-18:20
1 stop16h 50m
£335
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 18/2
11:30-17:15
2 stops34h 45m
Washington, D.C. Dulles Intl
Mon 16/3
21:30-10:45
2 stops33h 15m
£339
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 11/2
19:05-17:15
1 stop27h 10m
Washington, D.C. Dulles Intl
Mon 23/2
20:30-18:20
1 stop16h 50m
£339
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Fri 13/2
19:05-18:50
1 stop28h 45m
Washington, D.C. Dulles Intl
Wed 18/2
20:30-18:20
1 stop16h 50m
£361
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Mon 2/2
05:55-16:05
1 stop15h 10m
Washington, D.C. Dulles Intl
Sun 8/2
19:49-15:45
2 stops14h 56m
£368
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Fri 20/2
17:15-16:05
1 stop27h 50m
Washington, D.C. Dulles Intl
Thu 26/2
18:50-15:45
1 stop15h 55m
£368
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Sat 24/1
05:55-16:05
1 stop15h 10m
Washington, D.C. Dulles Intl
Wed 28/1
12:23-07:50
2 stops14h 27m
£368
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Sun 1/2
05:55-16:05
1 stop15h 10m
Washington, D.C. Dulles Intl
Sun 1/3
18:50-15:45
1 stop15h 55m
£368
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Mon 2/2
05:55-16:05
1 stop15h 10m
Washington, D.C. Dulles Intl
Tue 10/2
18:50-15:45
1 stop15h 55m
£369
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Sun 18/1
08:50-16:05
1 stop12h 15m
Washington, D.C. Dulles Intl
Mon 26/1
19:49-15:45
2 stops14h 56m
£369
Flights are sorted by cheapest return flights first.
Deals found on 8/1
Showing 1-10 of 17 results
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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
Delays
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 2 January 2026.
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 36 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, December is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £272). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £447). 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 January 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.
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 January 2026.
The most flights from DUB to IAD are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from Dublin to Washington, D.C. delayed?
About 14% of weekly flights between Dublin and Washington, D.C. have experienced delays in the past year, with the average delay time being 152 minutes.
What is the most punctual flight time for Dublin to Washington, D.C. flights?
Historically, flights departing in the early afternoon 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?
Sunday 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 14% 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.
Reykjavik (KEF) – chosen by Cheapflights users on 68% 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.
Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £361.
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 23m.
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 2h 12m.
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 January 2026.
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.
It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
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 4 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 £335, Scandinavian Airlines can have you in Washington, D.C. Dulles Intl Airport from Dublin in 34h 45m. Airlines will cover a distance of 3393 mi.
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 £279. Additional return tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at £295 and £310, respectively. You may be able to fly from Dublin to Washington, D.C. Dulles Intl Airport for 37% 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 Air Canada (95%), United Airlines (95%) or Lufthansa (95%) 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 £184. On average you can expect to pay £515. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for £370.
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, December is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £272). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £447). 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 January 2026.
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 9 January 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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