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Cheap flights from Dublin to Washington, D.C. from £291

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Dublin to Washington, D.C. are usually found in January or March, booked 76 days in advance, depart on a Tuesday or Thursday and return on a Sunday

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 12 September 2025.

Round-trip from

£293

Popular in

August

Cheapest in

January

Average price

£372

Good round-trip deal

£487 or less

Good one-way deal

£398 or less
Icelandair
  • Icelandair
  • 5/12-8/12
  • 2 total stops
  • 21h 35m total
  • Dublin to Washington, D.C.
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Highest demand for flights based on searches. 13% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Dublin to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Dublin to Washington, D.C. (WAS).
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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 12 September 2025.

Sat 20/911:35DUB - BWI
1 stop11h 05mPLAY
Fri 26/918:50BWI - DUB
1 stop10h 15mPLAY
Deal found 11/9£291
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
Tue 11/1108:50DUB - BWI
1 stop14h 55mBritish Airways
Sun 16/1120:35BWI - DUB
1 stop12h 45mBritish Airways
Deal found 10/9£320

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 12 September 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

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

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 11/11

08:50-18:45

1 stop14h 55m

Baltimore/Washington

Sun 16/11

20:35-14:20

1 stop12h 45m

£320

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 55 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 29 August 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, 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 12 September 2025.

It’s typically best to fly out from Dublin to Washington, D.C. at midday. Doing so could potentially save you 29% 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 12 September 2025.

The most flights from DUB to WAS 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.?

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 69% 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 £294.

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 07m.

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.

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 12 September 2025.
Get a feel of what it's like to fly with United Airlines, Aer Lingus, andIcelandair 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
8,937 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Aer Lingus
7.2
Good
1,271 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Icelandair
7.0
Good
546 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
PLAY
7.0
Good
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

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 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 11 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, Aer Lingus, and Scandinavian Airlines fly from Dublin to Washington, D.C. in about 7h 55m. The time it takes to get you to your destination can typically vary by up to 26h 50m. 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 £292. Other airlines that can offer you cheap pricing are British Airways, from £307, and Lufthansa, from £310. You may be able to fly from Dublin to Washington, D.C. for 30% 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 - Washington, D.C. Dulles Intl, Dublin - Baltimore/Washington 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 Qatar Airways (100%), Air Canada (72%) and United Airlines (72%).

  • 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 £500, our data indicates the cheapest price to be £354. The most popular route (Dublin - Washington, D.C. Dulles Intl), is priced around £354.

  • 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 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
College Park
Tysons

Browse thousands of different options on Cheapflights for your next trip

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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.
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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£216Average£305FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£292Average£375FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£307Average£508FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£310Average£500FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£318Average£534FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£347Average£435FlexibilityNo 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.

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