Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Dublin to Washington, D.C. from £232

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Dublin to Washington, D.C. are usually found in January or February, booked 77 days in advance, depart on a Tuesday or Thursday and return on a Sunday

Cheap flight deals from Dublin to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Washington, D.C.
Explore the most affordable flight options available from Dublin to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.

Mon 8/1216:20DUB - IAD
Nonstop8h 10mAer Lingus
Wed 10/1221:00IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 3/12£372
Thu 11/1220:40DUB - IAD
1 stop23h 55mBritish Airways
Thu 8/121:45IAD - DUB
1 stop12h 05mBritish Airways
Deal found 1/12£412
Thu 11/1211:30DUB - IAD
1 stop12h 00mIcelandair
Thu 8/119:40IAD - DUB
1 stop9h 35mIcelandair
Deal found 3/12£431
Mon 8/1208:50DUB - IAD
1 stop12h 15mKLM
Sun 14/1215:38IAD - DUB
1 stop11h 07mKLM
Deal found 1/12£459
Mon 8/1209:00DUB - IAD
1 stop11h 46mUnited Airlines
Sun 14/1222:20IAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 1/12£463
Mon 8/1205:55DUB - IAD
2 stops15h 28mDelta
Sun 14/1215:38IAD - DUB
1 stop11h 07mDelta
Deal found 1/12£467
Sun 14/1211:30DUB - DCA
1 stop14h 28mMultiple Airlines
Tue 23/1216:59DCA - DUB
1 stop10h 41mMultiple Airlines
Deal found 3/12£469
Thu 11/1208:50DUB - IAD
1 stop12h 15mDelta
Thu 8/112:23IAD - DUB
2 stops14h 27mDelta
Deal found 1/12£479
Thu 11/1212:05DUB - IAD
Nonstop8h 15mUnited Airlines
Thu 8/108:20IAD - DUB
1 stop18h 50mUnited Airlines
Deal found 2/12£489
Wed 17/1211:30DUB - DCA
1 stop15h 42mDelta
Sat 10/111:10DCA - DUB
2 stops15h 40mDelta
Deal found 3/12£496
Fri 26/1211:30DUB - DCA
1 stop14h 00mMultiple Airlines
Thu 1/114:25DCA - DUB
1 stop13h 55mMultiple Airlines
Deal found 1/12£515
Fri 26/1211:30DUB - DCA
1 stop11h 49mDelta
Thu 1/108:20DCA - DUB
2 stops18h 25mDelta
Deal found 1/12£520

Find flight deals from Dublin to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Washington, D.C. (WAS). 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 4 December 2025.

Round-trip from

£288

One-way from

£232

Popular in

August

Cheapest in

January

Average price

£457

Good round-trip deal

£489 or less

Good one-way deal

£386 or less
Icelandair
  • Icelandair
  • 15/1-22/1
  • 2 total stops
  • 21h 45m total
  • Dublin to Washington, D.C.
Search Deals
Icelandair
  • Icelandair
  • 3/3
  • 1 total stop
  • 12h 10m total
  • Dublin to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Dublin to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Dublin to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Washington, D.C. 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 4 December 2025.
Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

Fly from

Dublin

Fly to

Washington, D.C.

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 23/1

11:30-18:40

1 stop12h 10m

Baltimore/Washington

Mon 26/1

19:40-10:15

1 stop9h 35m

£312

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 22/4

11:40-16:50

2 stops34h 10m

Washington, D.C. Dulles Intl

Sat 2/5

20:20-18:20

1 stop17h 00m

£325

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 11/2

10:20-18:45

1 stop13h 25m

Baltimore/Washington

Wed 18/2

20:35-17:00

1 stop15h 25m

£330

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 12/2

13:10-19:55

1 stop11h 45m

Washington, D.C. Dulles Intl

Sun 15/2

21:45-14:20

1 stop11h 35m

£330

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 30/4

19:05-16:50

1 stop26h 45m

Washington, D.C. Dulles Intl

Sat 16/5

20:20-18:20

1 stop17h 00m

£330

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 4/3

18:00-18:45

1 stop29h 45m

Baltimore/Washington

Wed 11/3

21:35-07:55

1 stop30h 20m

£330

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 13/5

12:45-19:40

1 stop11h 55m

Baltimore/Washington

Mon 25/5

21:30-14:40

1 stop12h 10m

£333

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 12/5

20:20-19:40

1 stop28h 20m

Baltimore/Washington

Fri 22/5

21:30-09:35

1 stop31h 05m

£333

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 13/5

08:30-15:50

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 25/5

22:20-14:40

1 stop11h 20m

£333

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 16/1

08:50-22:03

2 stops18h 13m

Washington, D.C. Reagan-National

Tue 20/1

17:45-14:20

2 stops15h 35m

£335

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Dublin to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

How far ahead should I book a flight from Dublin to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Dublin to Washington, D.C.. Price data was last updated on 28 November 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Washington, D.C., you should look to book at least 76 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.?

Currently, February is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £214). Flying from Dublin to Washington, D.C. in June is currently the most expensive (average of £383). 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 WAS?

Find hourly flight availability from Dublin to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 December 2025.

It’s typically best to fly out from Dublin to Washington, D.C. in the evening. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Dublin to Washington, D.C.

Explore weekly flight availability from Dublin to Washington, D.C.. 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 4 December 2025.

The most flights from DUB to WAS are scheduled on a Monday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost for a return flight from Dublin to Washington, D.C.?

What’s the top stopover airport for flights from Dublin to Washington, D.C.?

Share of one-stop return flights from Dublin to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 59% of one-stop itineraries from Dublin to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from Dublin to Washington, D.C.?

Average return fare for one-stop flights from Dublin to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £300.

What’s the fastest stopover option from Dublin to Washington, D.C.?

Shortest average travel time for one-stop one-way flights from Dublin to Washington, D.C., 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 03m.

Which airport typically offers the quickest stopover for flights from Dublin to Washington, D.C.?

Average stopover duration for one-stop one-way flights from Dublin to Washington, D.C., 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.

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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 4 December 2025.
Get a feel of what it's like to fly with United Airlines, Aer Lingus, andPLAY from Dublin to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,064 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,064 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Aer Lingus
7.2
Good
1,384 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
PLAY
7.0
Good
United Airlines
7.4
Good
9,064 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,607 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,555 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Dublin to Washington, D.C.. 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.?

    Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Dublin; the airport handles an average of 12 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Dublin airport to Washington, D.C.. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

  • How long is the flight from Dublin to Washington, D.C.?

    Airlines like Icelandair, Scandinavian Airlines, and British Airways fly from Dublin to Washington, D.C. in about 11h 45m. The time it takes to get you to your destination can typically vary by up to 22h 25m. There are 3393 mi between Dublin and Washington, D.C.. 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. round-trip?

    Cheapflights users have booked flights from Dublin to Washington, D.C. round-trip from £282. Other airlines that can offer you cheap pricing are Lufthansa, from £298, and British Airways, from £313. You may be able to fly from Dublin to Washington, D.C. for 34% less than the average price by searching for these airlines.

  • What are the most popular routes from Dublin to Washington, D.C.?

    Most travelers choose Dublin - Baltimore/Washington, Dublin - Washington, D.C. Dulles Intl or Dublin - Washington, D.C. Reagan-National when deciding on the best route from Dublin to Washington, D.C..

  • What are the most reliable airlines from Dublin to Washington, D.C.?

    The top 3 most reliable airlines when flying from Dublin to Washington, D.C. are SWISS (100%), Air Canada (89%) and United Airlines (89%).

  • What are the cheapest flights from Dublin to Washington, D.C.?

    Looking for the cheapest flight from Dublin to Washington, D.C.? While on average our users pay £515, our data indicates the cheapest price to be £190. The most popular route (Dublin - Baltimore/Washington), is priced around £333.

  • Can I find deals for flights from Dublin to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Dublin to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Washington, D.C..

  • Can I find deals for business class flights from Dublin to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Dublin to Washington, D.C. 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.?

    Currently, February is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £214). Flying from Dublin to Washington, D.C. in June is currently the most expensive (average of £383). 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.

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dublin to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Dulles Intl flights

Top 6 airlines flying from Dublin to Washington, D.C.

Discover the top 6 airlines that operate flights from Dublin to Washington, D.C.. 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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£220Average£333FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£282Average£382FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£298Average£434FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£313Average£517FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£337Average£545FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£337Average£449FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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 Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dublin to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Washington, D.C.?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dublin to Washington, D.C..

Can Cheapflights find flights from Dublin to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Washington, D.C. flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Dublin to Washington, D.C. become cheaper?

Of course! You can now track prices for flights from Dublin to Washington, D.C. 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.