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Cheap flights from Dublin to Washington, D.C. from £227

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Dublin to Washington, D.C. are usually found in January or November, booked 26 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 29 April 2025.

Round-trip from

£249

One-way from

£227

Popular in

July

Cheapest in

January

Average price

£412

Good round-trip deal

£482 or less

Good one-way deal

£387 or less
PLAY
  • PLAY
  • 22/10-31/10
  • 2 total stops
  • 21h 40m total
  • Dublin to Washington, D.C.
PLAY
  • PLAY
  • 18/6
  • 1 total stop
  • 11h 05m total
  • Dublin to Washington, D.C.
Highest demand for flights based on searches. 19% potential increase in price (£73 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Dublin to Washington, D.C. (WAS).
Price to beat on a one-way flight from Dublin to Washington, D.C. (WAS).

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

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 29 April 2025.

Wed 22/1011:35DUB - BWI
1 stop11h 05mPLAY
Fri 31/1019:05BWI - DUB
1 stop10h 35mPLAY
Deal found 29/4£249
Mon 19/508:55DUB - IAD
1 stop11h 40mDelta
Mon 26/520:33IAD - DUB
2 stops13h 27mDelta
Deal found 28/4£334
Fri 23/512:15DUB - IAD
1 stop14h 55mIcelandair
Fri 30/523:15IAD - DUB
1 stop9h 00mIcelandair
Deal found 29/4£336
Sat 17/513:20DUB - DCA
2 stops14h 40mDelta
Sun 25/518:55DCA - DUB
1 stop10h 50mDelta
Deal found 28/4£340
Fri 23/519:05DUB - IAD
1 stop29h 54mScandinavian Airlines
Fri 30/522:05IAD - DUB
2 stops30h 10mScandinavian Airlines
Deal found 29/4£352
Thu 4/914:15DUB - BWI
1 stop10h 10mIcelandair
Tue 30/920:30BWI - DUB
1 stop9h 35mIcelandair
Deal found 28/4£365
Fri 23/516:00DUB - IAD
Nonstop7h 55mAer Lingus
Fri 30/517:20IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 29/4£382
Mon 1/909:20DUB - DCA
1 stop11h 28mUnited Airlines
Mon 29/916:35DCA - DUB
1 stop10h 10mUnited Airlines
Deal found 28/4£383
Sat 6/909:20DUB - IAD
1 stop16h 45mUnited Airlines
Sat 27/919:05IAD - DUB
Nonstop7h 05mUnited Airlines
Deal found 28/4£383
Mon 5/512:45DUB - BWI
1 stop11h 50mBritish Airways
Mon 12/521:20BWI - DUB
1 stop12h 20mBritish Airways
Deal found 28/4£386
Mon 5/510:30DUB - IAD
1 stop12h 00mBritish Airways
Mon 12/519:25IAD - DUB
1 stop11h 25mBritish Airways
Deal found 28/4£386
Fri 9/508:45DUB - IAD
1 stop12h 30mMultiple Airlines
Sun 18/522:05IAD - DUB
Nonstop7h 15mMultiple Airlines
Deal found 28/4£392

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 29 April 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

Wed 22/10

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Fri 31/10

19:05-09:40

1 stop10h 35m

£249

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 19/5

08:55-15:35

1 stop11h 40m

Washington, D.C. Dulles Intl

Mon 26/5

20:33-15:00

2 stops13h 27m

£334

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 23/5

12:15-22:10

1 stop14h 55m

Washington, D.C. Dulles Intl

Fri 30/5

23:15-13:15

1 stop9h 00m

£336

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 22/5

05:55-15:35

1 stop14h 40m

Washington, D.C. Dulles Intl

Wed 28/5

17:25-12:35

1 stop14h 10m

£338

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 17/5

13:20-23:00

2 stops14h 40m

Washington, D.C. Reagan-National

Sun 25/5

18:55-10:45

1 stop10h 50m

£340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 23/5

19:05-19:59

1 stop29h 54m

Washington, D.C. Dulles Intl

Fri 30/5

22:05-09:15

2 stops30h 10m

£352

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 4/9

14:15-19:25

1 stop10h 10m

Baltimore/Washington

Tue 30/9

20:30-11:05

1 stop9h 35m

£365

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 23/5

16:00-18:55

Nonstop7h 55m

Washington, D.C. Dulles Intl

Fri 30/5

17:20-05:10

Nonstop6h 50m

£382

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/9

09:20-15:48

1 stop11h 28m

Washington, D.C. Reagan-National

Mon 29/9

16:35-07:45

1 stop10h 10m

£383

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 6/9

09:20-21:05

1 stop16h 45m

Washington, D.C. Dulles Intl

Fri 26/9

22:15-10:20

Nonstop7h 05m

£383

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 41 results
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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 25 April 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 26 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, January is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £599). Flying from Dublin to Washington, D.C. 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 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 29 April 2025.

It’s typically best to fly out from Dublin to Washington, D.C. at midday. Doing so could potentially save you 27% on the flight price compared to flying in the morning, 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 29 April 2025.

The most flights from DUB to WAS are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 29 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Dublin to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 10 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.

  • 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 £249. Other airlines that can offer you cheap pricing are Delta, from £334, and Icelandair, from £336. You may be able to fly from Dublin to Washington, D.C. for 40% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Dublin to Washington, D.C. one-way?

    £227 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on JetBlue and TAP AIR PORTUGAL, with prices starting from £340 and £388, respectively.

  • What are the most popular routes 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 Lufthansa (89%), 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 £527, our data indicates the cheapest price to be £364. The most popular route (Dublin - Washington, D.C. Dulles Intl), is priced around £290.

  • 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, January is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £599). Flying from Dublin to Washington, D.C. 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.

See more FAQs

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
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Alternative routes for Dublin to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£209Average£313FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£295Average£371FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£308Average£492FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£321Average£540FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£338Average£410FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£426Average£548FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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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.

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