What are the cheapest airlines flying from Dublin to Washington, D.C. round-trip?

Flying on PLAY is currently your cheapest option to Washington, D.C., with prices starting at $334. Additional round-trip tickets that might be worth considering are offered by British Airways and Delta, with the lowest prices starting at $445 and $448, respectively. PLAY is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $305. WestJet flights start at $374 while deals on Icelandair start at $379 one-way.

What is the cheapest day to fly from Dublin to Washington, D.C.?

Travelers seeking maximum savings on their Dublin to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

While some choose either Dublin - Baltimore/Washington or Dublin - Washington, D.C. Reagan-National, Dublin - Washington, D.C. Dulles Intl is the most popular route from Dublin to Washington, D.C..

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 $1,048, our data indicates the cheapest price to be $436. The most popular route (Dublin - Washington, D.C. Dulles Intl), is priced around $429.

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 most popular airlines that fly from Dublin to Washington, D.C.?

When booking a flight from Dublin to Washington, D.C., you may want to consider flying on Aer Lingus, Icelandair or United Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from Dublin to Washington, D.C.?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C.. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 27 days in advance, which can save you up to 149% on flights from Dublin to Washington, D.C. compared to booking the week you need them. Waiting 27 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $497. For sooner than that we have options available in the next 3 days from $697.

What is the cheapest month to fly from Dublin to Washington, D.C.?

Flights from Dublin to Washington, D.C. lean towards being more expensive in July. Prices are generally better when you fly from Dublin to Washington, D.C. in January, with the cheapest ticket starting at $276.

Most accurate provider : When it comes to deals on Dublin-Washington, D.C. flights, users find the pricing of Gurufare to be most consistent on Cheapflights vs. Gurufare Users can find the same prices on Dublin-Washington, D.C. flight deals on Cheapflights vs. Gurufare >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Dublin-Washington, D.C. flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Dublin to Washington, D.C.?

Most people fly from Dublin (DUB) if they book a flight from Dublin to Washington, D.C.. On average, Dublin has 10 outbound flights to Washington, D.C. per day from 4 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

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 vacation 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.

$305+ Flights from Dublin to Washington, D.C. - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dublin to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Monday or Wednesday and return on a Tuesday

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

Most accurate provider	Gurufare 3 stars
Most trusted provider	Gurufare 3 stars
Round-trip from	$334 (PLAY)
One-way from	$305 (PLAY)
Popular in	July
Cheapest in	January
Average price	$552
Good round-trip deal	$657 or less
Good one-way deal	$456 or less

Provider with most accurate pricing for Dublin-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dublin-Washington, D.C. (WAS) flights.

Search Deals

From Dublin to Washington, D.C. (WAS)

Search Deals

One-way flight from Dublin to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($133 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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

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 April 29, 2025.

Wed 10/2211:35 amDUB - BWI

1 stop11h 05mPLAY

Fri 10/317:05 pmBWI - DUB

1 stop10h 35mPLAY

Deal found 4/29

$334

Thu 8/287:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Thu 9/410:05 pmIAD - DUB

1 stop30h 20mScandinavian Airlines

Deal found 4/29

$434

Sat 5/172:15 pmDUB - IAD

1 stop10h 05mIcelandair

Mon 5/2611:15 pmIAD - DUB

1 stop9h 00mIcelandair

Deal found 4/29

$437

Tue 10/2112:45 pmDUB - BWI

1 stop11h 50mBritish Airways

Tue 10/289:30 pmBWI - DUB

1 stop10h 35mBritish Airways

Deal found 4/29

$445

Tue 10/2112:45 pmDUB - IAD

1 stop12h 30mBritish Airways

Tue 10/287:15 pmIAD - DUB

1 stop10h 25mBritish Airways

Deal found 4/29

$445

Mon 5/198:55 amDUB - IAD

1 stop11h 40mDelta

Mon 5/268:33 pmIAD - DUB

2 stops13h 27mDelta

Deal found 4/28

$448

Sat 5/171:20 pmDUB - DCA

2 stops14h 40mDelta

Sun 5/256:55 pmDCA - DUB

1 stop10h 50mDelta

Deal found 4/28

$456

Fri 5/1612:15 pmDUB - BWI

1 stop12h 10mIcelandair

Sun 5/258:30 pmBWI - DUB

1 stop11h 45mIcelandair

Deal found 4/29

$463

Sun 9/711:45 amDUB - BWI

1 stop10h 54mAmerican Airlines

Sun 9/285:20 pmBWI - DUB

1 stop13h 20mAmerican Airlines

Deal found 4/29

$476

Mon 5/512:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Tue 5/135:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 4/27

$512

Mon 9/19:20 amDUB - DCA

1 stop11h 28mUnited Airlines

Mon 9/294:35 pmDCA - DUB

1 stop10h 10mUnited Airlines

Deal found 4/28

$513

Mon 5/1211:35 amDUB - BWI

2 stops24h 56mMultiple Airlines

Mon 5/199:24 pmBWI - DUB

2 stops31h 51mMultiple Airlines

Deal found 4/28

$513

Best flights from Dublin to Washington, D.C.
Discover carefully curated flight deals from Dublin to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Wed 10/2211:35 amDUB - BWI

1 stop11h 05mPLAY

Fri 10/317:05 pmBWI - DUB

1 stop10h 35mPLAY

Deal found 4/29

$334

Tue 10/2112:45 pmDUB - BWI

1 stop11h 50mBritish Airways

Tue 10/289:30 pmBWI - DUB

1 stop10h 35mBritish Airways

Deal found 4/29

$445

Mon 5/198:55 amDUB - IAD

1 stop11h 40mDelta

Mon 5/268:33 pmIAD - DUB

2 stops13h 27mDelta

Deal found 4/28

$448

Sat 5/172:15 pmDUB - IAD

1 stop10h 05mIcelandair

Sun 5/258:30 pmIAD - DUB

1 stop11h 45mIcelandair

Deal found 4/28

$450

Thu 5/225:55 amDUB - IAD

1 stop14h 40mKLM

Wed 5/285:25 pmIAD - DUB

1 stop14h 10mKLM

Deal found 4/29

$453

Fri 5/237:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Fri 5/3010:05 pmIAD - DUB

2 stops30h 10mScandinavian Airlines

Deal found 4/29

$472

Sun 9/711:45 amDUB - BWI

1 stop10h 54mAmerican Airlines

Sun 9/285:20 pmBWI - DUB

1 stop13h 20mAmerican Airlines

Deal found 4/29

$476

Fri 5/234:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Fri 5/305:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 4/29

$512

Mon 9/19:20 amDUB - DCA

1 stop11h 28mUnited Airlines

Mon 9/294:35 pmDCA - DUB

1 stop10h 10mUnited Airlines

Deal found 4/28

$513

Mon 5/1211:35 amDUB - BWI

2 stops24h 56mMultiple Airlines

Mon 5/199:24 pmBWI - DUB

2 stops31h 51mMultiple Airlines

Deal found 4/28

$513

Sun 9/710:40 amDUB - IAD

1 stop13h 45mLufthansa

Thu 9/2510:15 pmIAD - DUB

Nonstop7h 05mLufthansa

Deal found 4/28

$530

Thu 5/226:40 pmDUB - IAD

2 stops24h 45mSWISS

Sat 5/318:45 pmIAD - DUB

1 stop16h 05mSWISS

Deal found 4/29

$558

Last-minute flights from Dublin to Washington, D.C.
Discover last-minute flight deals from Dublin to Washington, D.C.. Data last updated April 29, 2025 and is based on user searches.

Sun 5/49:50 amDUB - IAD

2 stops16h 23mAir Canada

Sun 5/113:27 pmIAD - DUB

1 stop11h 48mAir Canada

Deal found 4/27

$538

Mon 5/55:55 amDUB - IAD

1 stop14h 40mDelta

Sun 5/1112:25 pmIAD - DUB

1 stop15h 50mDelta

Deal found 4/28

$451

Mon 5/512:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Tue 5/135:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 4/27

$512

Mon 5/59:50 amDUB - DCA

1 stop17h 38mUnited Airlines

Tue 5/133:20 pmDCA - DUB

1 stop11h 00mUnited Airlines

Deal found 4/28

$519

Mon 5/59:50 amDUB - IAD

1 stop30h 49mUnited Airlines

Mon 5/127:00 pmIAD - DUB

Nonstop7h 10mUnited Airlines

Deal found 4/28

$519

Mon 5/510:40 amDUB - IAD

1 stop13h 45mLufthansa

Sun 5/1110:05 pmIAD - DUB

Nonstop7h 15mLufthansa

Deal found 4/27

$530

Mon 5/59:30 amDUB - BWI

2 stops14h 57mAmerican Airlines

Mon 5/129:20 pmBWI - DUB

1 stop17h 15mAmerican Airlines

Deal found 4/28

$532

Mon 5/59:50 amDUB - DCA

1 stop14h 53mUnited Airlines

Sun 5/113:20 pmDCA - DUB

1 stop11h 00mUnited Airlines

Deal found 4/28

$519

Tue 5/612:45 pmDUB - BWI

1 stop11h 50mBritish Airways

Tue 5/139:20 pmBWI - DUB

1 stop12h 25mBritish Airways

Deal found 4/29

$520

Tue 5/69:50 amDUB - BWI

2 stops16h 47mUnited Airlines

Tue 5/1310:50 amBWI - DUB

2 stops15h 30mUnited Airlines

Deal found 4/29

$534

Fri 5/911:00 amDUB - IAD

1 stop11h 25mBritish Airways

Sat 5/1710:45 pmIAD - DUB

1 stop10h 40mBritish Airways

Deal found 4/29

$517

Fri 5/98:45 amDUB - IAD

1 stop12h 30mMultiple Airlines

Sun 5/1810:05 pmIAD - DUB

Nonstop7h 15mMultiple Airlines

Deal found 4/29

$527

One-way flights from Dublin to Washington, D.C.
Search for one-way flight options from Dublin to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 6/1811:35 amDUB - BWI

1 stop11h 05mPLAY

Deal found 4/29

$305

Wed 6/48:50 pmDUB - BWI

2 stops25h 50mMultiple Airlines

Deal found 4/29

$332

Mon 5/59:30 pmDUB - IAD

3 stops46h 50mMultiple Airlines

Deal found 4/27

$373

Wed 6/411:30 amDUB - IAD

2 stops16h 24mWestJet

Deal found 4/28

$374

Wed 5/1411:30 amDUB - DCA

1 stop15h 58mMultiple Airlines

Deal found 4/28

$376

Wed 6/412:15 pmDUB - BWI

1 stop12h 10mIcelandair

Deal found 4/29

$379

Mon 10/62:15 pmDUB - IAD

1 stop10h 05mIcelandair

Deal found 4/28

$387

Wed 9/1010:45 amDUB - IAD

1 stop15h 05mTAP AIR PORTUGAL

Deal found 4/29

$451

Thu 6/129:45 amDUB - DCA

3 stops35h 48mWestJet

Deal found 4/28

$455

Wed 5/711:30 amDUB - DCA

1 stop16h 28mJetBlue

Deal found 4/27

$456

Thu 8/2112:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Deal found 4/29

$458

Wed 9/1012:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Deal found 4/29

$465

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 10/22

11:35 am-5:40 pm

1 stop11h 05m

Baltimore/Washington

Fri 10/31

7:05 pm-9:40 am

1 stop10h 35m

$334

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 8/28

7:05 pm-7:59 pm

1 stop29h 54m

Washington, D.C. Dulles Intl

Thu 9/4

10:05 pm-9:25 am

1 stop30h 20m

$434

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 5/17

2:15 pm-7:20 pm

1 stop10h 05m

Washington, D.C. Dulles Intl

Mon 5/26

11:15 pm-1:15 pm

1 stop9h 00m

$437

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 10/21

12:45 pm-7:35 pm

1 stop11h 50m

Baltimore/Washington

Tue 10/28

9:30 pm-12:05 pm

1 stop10h 35m

$445

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 10/21

12:45 pm-8:15 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Tue 10/28

7:15 pm-9:40 am

1 stop10h 25m

$445

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 5/19

8:55 am-3:35 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Mon 5/26

8:33 pm-3:00 pm

2 stops13h 27m

$448

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 5/22

5:55 am-3:35 pm

1 stop14h 40m

Washington, D.C. Dulles Intl

Wed 5/28

5:25 pm-12:35 pm

1 stop14h 10m

$453

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 5/17

1:20 pm-11:00 pm

2 stops14h 40m

Washington, D.C. Reagan-National

Sun 5/25

6:55 pm-10:45 am

1 stop10h 50m

$456

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 5/16

12:15 pm-7:25 pm

1 stop12h 10m

Baltimore/Washington

Sun 5/25

8:30 pm-1:15 pm

1 stop11h 45m

$463

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sun 9/7

11:45 am-5:39 pm

1 stop10h 54m

Baltimore/Washington

Sun 9/28

5:20 pm-11:40 am

1 stop13h 20m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results

...

Compare providers for flights from Dublin to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Washington, D.C. in April.

Provider	Price Accuracy	Trust Score*
Gurufare	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy-	Trust Score*2 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Dublin-Washington, D.C. flights, users find the pricing of Gurufare to be most consistent on Cheapflights vs. Gurufare Users can find the same prices on Dublin-Washington, D.C. flight deals on Cheapflights vs. Gurufare >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Dublin-Washington, D.C. flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Dublin to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Washington, D.C. trip

Airlines

Aer Lingus

Pre-clear US immigration in Dublin, saving time upon arrival in the US.

Aer Lingus offers complimentary meals and drinks on all transatlantic flights, enhancing your travel experience.

Read more about Aer Lingusby Evie Carrick

United Airlines

Polaris passengers enjoy lie-flat seats and access to exclusive lounges with dining and relaxation areas.

Economy Plus offers extra legroom and priority boarding, ideal for added comfort on long-haul flights.

Read more about United Airlinesby Harriet Baskas

Our travel experts

Evie Carrick

Expert on Aer Lingus

Harriet Baskas

Expert on United Airlines

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 round-trip 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.?

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, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of $309). Flying from Dublin to Washington, D.C. in June is currently the most expensive (average of $373). 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?

It’s typically best to fly out from Dublin to Washington, D.C. at noon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Dublin to Washington, D.C., such as Delta, Alaska Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

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

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

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

Alaska Airlines

8.0

Very good

9,961 reviews

Delta

8.0

Very good

7,929 reviews

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

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,929 reviews

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

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,929 reviews

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

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very good

7,929 reviews

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

What airport do you fly from for flights from Dublin to Washington, D.C.?
Most people fly from Dublin (DUB) if they book a flight from Dublin to Washington, D.C.. On average, Dublin has 10 outbound flights to Washington, D.C. per day from 4 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.
What are the cheapest airlines flying from Dublin to Washington, D.C. round-trip?
Flying on PLAY is currently your cheapest option to Washington, D.C., with prices starting at $334. Additional round-trip tickets that might be worth considering are offered by British Airways and Delta, with the lowest prices starting at $445 and $448, respectively. PLAY is 40% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Dublin to Washington, D.C. one-way?
To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $305. WestJet flights start at $374 while deals on Icelandair start at $379 one-way.
What are the most popular routes from Dublin to Washington, D.C.?
While some choose either Dublin - Baltimore/Washington or Dublin - Washington, D.C. Reagan-National, Dublin - Washington, D.C. Dulles Intl is the most popular 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 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 $1,048, our data indicates the cheapest price to be $436. The most popular route (Dublin - Washington, D.C. Dulles Intl), is priced around $429.
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 vacation 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, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of $309). Flying from Dublin to Washington, D.C. in June is currently the most expensive (average of $373). 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

Alexandria

Arlington

Woodbridge

Tysons

Fairfax

Springfield

Rockville

Fredericksburg

Silver Spring

Gaithersburg

Linthicum Heights

Falls Church

Laurel

Easton

Towson

Herndon

Bowie

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Dublin to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$281	Average$440	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$420	Average$547	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$433	Average$623	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$612	Average$744	FlexibilityNo cancel fee	On-time69%

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.

$305+ Cheap flights from Dublin (DUB) to Washington, D.C. (WAS)

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dublin to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Monday or Wednesday and return on a Tuesday

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

Compare providers for flights from Dublin to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Washington, D.C. in April.

The best insider tips for Dublin to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Washington, D.C. trip

Airlines

Aer Lingus

United Airlines

Our travel experts

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.

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 round-trip flight from Dublin to Washington, D.C.. Price data was last updated on April 25, 2025.

What is the cheapest month to book a flight from Dublin to Washington, D.C.?

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 April 29, 2025.

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

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Dublin to Washington, D.C., such as Delta, Alaska Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.?

What are the cheapest airlines flying from Dublin to Washington, D.C. round-trip?

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

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

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

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

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

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

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

What is the cheapest month to book a flight from Dublin to Washington, D.C.?

Traveling to a place near Dublin?

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.

Top 4 airlines flying from Dublin to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart

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 April 29, 2025.