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

There are many flights that can get you from Ireland to Washington, D.C. in 14h 55m. Fly via Scandinavian Airlines, Lufthansa, or Delta to get the fastest option. Ireland and Washington, D.C. are separated by a distance of 3393 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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.

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).

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

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

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

On average you can expect to pay £501 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £340 while the most popular route, (Dublin - Baltimore/Washington) is currently priced at £334.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Washington, D.C. on time: Air Canada (72%), United Airlines (72%), Lufthansa (68%).

What are the most popular airlines that fly from Ireland to Washington, D.C.?

British Airways, Aer Lingus and Icelandair are the most popular airlines when flying from Ireland to Washington, D.C..

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

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

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

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

Yes. Cheapflights offers flight deals from Ireland 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.

£292+ Flights from Ireland to Washington, D.C.

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

Round-trip from	£305
Popular in	August
Cheapest in	January
Average price	£373
Good round-trip deal	£499 or less
Good one-way deal	£395 or less

British Airways
22/11-6/12
2 total stops
26h 15m total
Ireland to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£47 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 September 2025

Search Deals

Price to beat on a round-trip flight from Ireland to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Ireland to Washington, D.C. (WAS).

Search Deals

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

Cheapest flights from Ireland to Washington, D.C.
Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Fri 5/1211:30DUB - IAD

1 stop12h 00mIcelandair

Mon 8/1219:40IAD - DUB

1 stop9h 35mIcelandair

Deal found 14/9£292

Thu 30/1011:45DUB - IAD

1 stop13h 30mLufthansa

Thu 6/1122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 15/9£293

Thu 30/1011:45DUB - IAD

1 stop13h 30mMultiple Airlines

Thu 6/1120:30IAD - DUB

1 stop16h 15mMultiple Airlines

Deal found 15/9£295

Sat 22/1110:55DUB - IAD

1 stop14h 00mBritish Airways

Sat 6/1221:45IAD - DUB

1 stop12h 15mBritish Airways

Deal found 17/9£305

Sat 1/1105:10DUB - IAD

1 stop14h 25mLufthansa

Sat 8/1122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 17/9£311

Wed 15/1019:05DUB - IAD

1 stop29h 54mScandinavian Airlines

Wed 22/1022:05IAD - DUB

1 stop32h 45mScandinavian Airlines

Deal found 17/9£311

Thu 30/1016:20DUB - IAD

Nonstop8h 10mAer Lingus

Thu 6/1121:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 15/9£314

Sat 20/911:35DUB - BWI

1 stop11h 05mPLAY

Fri 26/918:50BWI - DUB

1 stop10h 15mPLAY

Deal found 16/9£314

Fri 10/1005:55DUB - IAD

1 stop14h 55mLufthansa

Sun 12/1022:20IAD - DUB

1 stop13h 35mLufthansa

Deal found 15/9£315

Tue 16/1208:50DUB - IAD

1 stop11h 45mBritish Airways

Thu 25/1218:20IAD - DUB

1 stop14h 50mBritish Airways

Deal found 16/9£317

Wed 15/1016:35DUB - IAD

Nonstop7h 55mAer Lingus

Wed 22/1021:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 17/9£317

Tue 11/1110:55DUB - BWI

1 stop12h 50mBritish Airways

Sun 16/1120:35BWI - DUB

1 stop12h 45mBritish Airways

Deal found 17/9£318

Best flights from Ireland to Washington, D.C.
Discover carefully curated flight deals from Ireland to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Wed 11/211:30DUB - IAD

2 stops34h 45mScandinavian Airlines

Wed 18/220:30IAD - DUB

2 stops32h 30mScandinavian Airlines

Deal found 16/9£312

Fri 10/1005:55DUB - IAD

1 stop14h 55mLufthansa

Sun 12/1022:20IAD - DUB

1 stop13h 35mLufthansa

Deal found 15/9£315

Tue 25/1111:45DUB - IAD

1 stop13h 30mMultiple Airlines

Sun 30/1122:20IAD - DUB

Nonstop7h 00mMultiple Airlines

Deal found 16/9£316

Tue 16/1208:50DUB - IAD

1 stop11h 45mBritish Airways

Thu 25/1218:20IAD - DUB

1 stop14h 50mBritish Airways

Deal found 16/9£317

Sun 26/1005:55DUB - IAD

1 stop15h 10mDelta

Sun 2/1121:25IAD - DUB

1 stop13h 20mDelta

Deal found 15/9£320

Wed 26/1111:30DUB - BWI

1 stop12h 35mKLM

Tue 24/214:10BWI - DUB

1 stop12h 35mKLM

Deal found 16/9£334

Sat 1/1105:10DUB - IAD

1 stop14h 25mLufthansa

Sun 9/1122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 15/9£316

Sat 1/1105:10DUB - IAD

1 stop20h 05mMultiple Airlines

Sun 9/1120:30IAD - DUB

1 stop16h 15mMultiple Airlines

Deal found 15/9£318

Tue 11/1108:50DUB - IAD

1 stop11h 45mBritish Airways

Sun 16/1118:20IAD - DUB

1 stop15h 45mBritish Airways

Deal found 17/9£318

Sun 26/1005:55DUB - IAD

1 stop15h 10mDelta

Mon 3/1118:50IAD - DUB

1 stop15h 55mDelta

Deal found 15/9£320

Wed 8/1011:00DUB - BWI

1 stop12h 41mKLM

Mon 13/1016:44BWI - DUB

1 stop11h 01mKLM

Deal found 16/9£337

Mon 3/1105:10DUB - IAD

1 stop15h 40mLufthansa

Sun 9/1122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 15/9£316

Mon 3/1109:10DUB - IAD

1 stop16h 05mMultiple Airlines

Sun 9/1120:30IAD - DUB

1 stop16h 15mMultiple Airlines

Deal found 15/9£318

Wed 26/1108:50DUB - IAD

1 stop12h 15mDelta

Tue 24/218:50IAD - DUB

1 stop15h 55mDelta

Deal found 15/9£320

Tue 11/1105:00DUB - DCA

2 stops15h 31mMultiple Airlines

Sun 16/1111:05DCA - DUB

2 stops15h 05mMultiple Airlines

Deal found 17/9£322

Thu 6/1105:55DUB - BWI

2 stops15h 59mDelta

Mon 10/1119:27BWI - DUB

2 stops15h 18mDelta

Deal found 15/9£326

Tue 11/1113:25DUB - DCA

2 stops14h 31mDelta

Sun 16/1117:03DCA - DUB

1 stop10h 42mDelta

Deal found 15/9£327

Wed 26/1113:25DUB - DCA

2 stops14h 31mDelta

Tue 24/217:00DCA - DUB

1 stop10h 45mDelta

Deal found 15/9£327

Wed 11/213:25DUB - DCA

2 stops15h 08mDelta

Wed 18/211:00DCA - DUB

1 stop16h 45mDelta

Deal found 15/9£327

Thu 30/1005:55DUB - DCA

2 stops17h 45mDelta

Thu 6/1116:50DCA - DUB

1 stop11h 30mDelta

Deal found 15/9£327

Thu 30/1005:55DUB - DCA

2 stops17h 45mDelta

Wed 5/1116:50DCA - DUB

2 stops14h 50mDelta

Deal found 15/9£328

Sat 1/1108:50DUB - DCA

2 stops18h 09mDelta

Sat 8/1117:00DCA - DUB

1 stop10h 45mDelta

Deal found 17/9£329

Wed 15/1013:20DUB - BWI

2 stops14h 53mDelta

Wed 22/1013:00BWI - DUB

2 stops14h 15mDelta

Deal found 17/9£330

Wed 8/1013:20DUB - BWI

2 stops14h 53mDelta

Mon 13/1016:44BWI - DUB

1 stop11h 01mDelta

Deal found 16/9£330

Thu 30/1008:45DUB - BWI

2 stops16h 46mDelta

Wed 5/1113:41BWI - DUB

1 stop13h 04mDelta

Deal found 16/9£331

Fri 3/1013:20DUB - BWI

2 stops14h 37mDelta

Tue 7/1018:14BWI - DUB

1 stop11h 31mDelta

Deal found 17/9£332

Wed 26/1109:45DUB - BWI

1 stop12h 31mDelta

Tue 24/214:10BWI - DUB

1 stop12h 35mDelta

Deal found 16/9£334

Fri 31/1009:45DUB - BWI

1 stop12h 55mDelta

Thu 6/1112:19BWI - DUB

2 stops14h 46mDelta

Deal found 16/9£336

Tue 21/1012:00DUB - BWI

1 stop10h 34mDelta

Tue 28/1017:00BWI - DUB

1 stop12h 20mDelta

Deal found 16/9£337

Direct flights from Ireland to Washington, D.C.
Explore direct flight options from Ireland to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2025.

Thu 30/1016:20DUB - IAD

Nonstop8h 10mAer Lingus

Thu 6/1121:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 15/9£314

Sat 1/1112:15DUB - IAD

Nonstop8h 20mAer Lingus

Sat 8/1121:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 17/9£315

Wed 15/1016:35DUB - IAD

Nonstop7h 55mAer Lingus

Wed 22/1021:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 17/9£317

Tue 25/1112:15DUB - IAD

Nonstop8h 20mAer Lingus

Sun 30/1121:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 15/9£321

Fri 10/1016:00DUB - IAD

Nonstop7h 55mAer Lingus

Sun 12/1017:20IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 15/9£322

Tue 18/1116:20DUB - IAD

Nonstop8h 10mAer Lingus

Tue 13/117:05IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 17/9£323

Sat 22/1116:20DUB - IAD

Nonstop8h 10mAer Lingus

Sat 6/1221:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 17/9£324

Tue 25/1112:05DUB - IAD

Nonstop8h 15mUnited Airlines

Sun 30/1122:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 15/9£329

Fri 31/1012:05DUB - IAD

Nonstop8h 15mUnited Airlines

Thu 6/1122:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 15/9£330

Tue 11/1112:05DUB - IAD

Nonstop8h 15mUnited Airlines

Tue 18/1122:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 17/9£330

Tue 11/1112:05DUB - IAD

Nonstop8h 15mUnited Airlines

Sun 16/1122:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 17/9£331

Last-minute flights from Ireland to Washington, D.C.
Discover last-minute flight deals from Ireland to Washington, D.C.. Data last updated 18 September 2025 and is based on user searches.

Sat 20/911:35DUB - BWI

1 stop11h 05mPLAY

Fri 26/918:50BWI - DUB

1 stop10h 15mPLAY

Deal found 16/9£314

Thu 25/905:55DUB - IAD

1 stop14h 55mLufthansa

Sat 4/1022:15IAD - DUB

Nonstop7h 05mLufthansa

Deal found 15/9£319

Fri 10/1005:55DUB - IAD

1 stop14h 55mLufthansa

Sun 12/1022:20IAD - DUB

1 stop13h 35mLufthansa

Deal found 15/9£315

Wed 15/1019:05DUB - IAD

1 stop29h 54mScandinavian Airlines

Wed 22/1022:05IAD - DUB

1 stop32h 45mScandinavian Airlines

Deal found 17/9£311

Wed 15/1016:35DUB - IAD

Nonstop7h 55mAer Lingus

Wed 22/1021:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 17/9£317

Sun 26/1005:55DUB - IAD

1 stop15h 10mDelta

Mon 3/1118:50IAD - DUB

1 stop15h 55mDelta

Deal found 15/9£320

Thu 30/1011:45DUB - IAD

1 stop13h 30mLufthansa

Thu 6/1122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 15/9£293

Thu 30/1011:45DUB - IAD

1 stop13h 30mMultiple Airlines

Thu 6/1120:30IAD - DUB

1 stop16h 15mMultiple Airlines

Deal found 15/9£295

Thu 30/1016:20DUB - IAD

Nonstop8h 10mAer Lingus

Thu 6/1121:00IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 15/9£314

Fri 31/1011:55DUB - IAD

1 stop13h 20mLufthansa

Thu 6/1122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 16/9£317

Fri 31/1005:10DUB - IAD

1 stop20h 05mMultiple Airlines

Fri 7/1120:30IAD - DUB

1 stop16h 15mMultiple Airlines

Deal found 16/9£318

Fri 31/1011:30DUB - BWI

2 stops29h 07mMultiple Airlines

Fri 7/1120:35BWI - DUB

1 stop15h 25mMultiple Airlines

Deal found 15/9£322

One-way flights from Ireland to Washington, D.C.
Search for one-way flight options from Ireland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Wed 11/216:55DUB - IAD

1 stop27h 20mTAP AIR PORTUGAL

Deal found 15/9£329

Mon 10/1108:50DUB - IAD

1 stop16h 05mMultiple Airlines

Deal found 15/9£333

Tue 11/1110:55DUB - BWI

1 stop12h 50mMultiple Airlines

Deal found 17/9£334

Wed 11/208:50DUB - IAD

1 stop11h 45mMultiple Airlines

Deal found 16/9£335

Thu 6/1110:30DUB - IAD

1 stop14h 25mMultiple Airlines

Deal found 17/9£336

Mon 29/1211:30DUB - DCA

1 stop14h 43mMultiple Airlines

Deal found 15/9£337

Sat 8/1111:30DUB - IAD

2 stops12h 51mMultiple Airlines

Deal found 15/9£337

Thu 4/1208:50DUB - BWI

1 stop14h 55mBritish Airways

Deal found 16/9£338

Wed 17/1216:55DUB - IAD

1 stop27h 20mTAP AIR PORTUGAL

Deal found 16/9£338

Mon 22/1211:30DUB - DCA

2 stops15h 45mMultiple Airlines

Deal found 16/9£339

Sat 20/1208:55DUB - BWI

1 stop14h 50mBritish Airways

Deal found 16/9£339

Mon 29/1211:30DUB - BWI

2 stops15h 35mMultiple Airlines

Deal found 16/9£347

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

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

£312

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 10/10

05:55-15:50

1 stop14h 55m

Washington, D.C. Dulles Intl

Sun 12/10

22:20-16:55

1 stop13h 35m

£315

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 25/11

11:45-20:15

1 stop13h 30m

Washington, D.C. Dulles Intl

Sun 30/11

22:20-10:20

Nonstop7h 00m

£316

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 1/11

05:10-15:35

1 stop14h 25m

Washington, D.C. Dulles Intl

Sun 9/11

22:20-10:20

Nonstop7h 00m

£316

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 3/11

05:10-15:50

1 stop15h 40m

Washington, D.C. Dulles Intl

Sun 9/11

22:20-10:20

Nonstop7h 00m

£316

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 16/12

08:50-15:35

1 stop11h 45m

Washington, D.C. Dulles Intl

Thu 25/12

18:20-14:10

1 stop14h 50m

£317

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 1/11

05:10-21:15

1 stop20h 05m

Washington, D.C. Dulles Intl

Sun 9/11

20:30-17:45

1 stop16h 15m

£318

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 11/11

08:50-15:35

1 stop11h 45m

Washington, D.C. Dulles Intl

Sun 16/11

18:20-15:05

1 stop15h 45m

£318

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 3/11

09:10-20:15

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 9/11

20:30-17:45

1 stop16h 15m

£318

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 26/10

05:55-17:05

1 stop15h 10m

Washington, D.C. Dulles Intl

Sun 2/11

21:25-15:45

1 stop13h 20m

£320

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 55 results

...

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

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

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

Currently, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £599). Flying from Ireland 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 IE to WAS?

It’s optimal to fly from Ireland to Washington, D.C. at midday. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the morning.

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

The most flights from IE0 to WAS are scheduled on a Tuesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with United Airlines, Aer Lingus, andIcelandair from Ireland to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,926 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

United Airlines

7.4

Good

8,926 reviews

United Airlines

7.4

Good

8,926 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Aer Lingus

7.2

Good

1,277 reviews

United Airlines

7.4

Good

8,926 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Icelandair

7.0

Good

545 reviews

United Airlines

7.4

Good

8,926 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

PLAY

7.0

Good

United Airlines

7.4

Good

8,926 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Lufthansa

6.8

Okay

7,409 reviews

United Airlines

7.4

Good

8,926 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

How long is the flight from Ireland to Washington, D.C.?
There are many flights that can get you from Ireland to Washington, D.C. in 14h 55m. Fly via Scandinavian Airlines, Lufthansa, or Delta to get the fastest option. Ireland and Washington, D.C. are separated by a distance of 3393 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Ireland to Washington, D.C.?
While some choose either Dublin - Washington, D.C. Dulles Intl or Dublin - Washington, D.C. Reagan-National, Dublin - Baltimore/Washington is the most popular route from Ireland to Washington, D.C..
What are the most reliable airlines from Ireland to Washington, D.C.?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Washington, D.C. on time: Air Canada (72%), United Airlines (72%), Lufthansa (68%).
What are the cheapest flights from Ireland to Washington, D.C.?
On average you can expect to pay £501 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £340 while the most popular route, (Dublin - Baltimore/Washington) is currently priced at £334.
Can I find deals for flights from Ireland to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Ireland to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland 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 Ireland to Washington, D.C..
Can I find deals for business class flights from Ireland to Washington, D.C.?
Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £599). Flying from Ireland 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

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Woodbridge

Arlington

College Park

Tysons

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to Washington, D.C.

Heathrow to Dulles Intl flights

Gatwick to Dulles Intl flights

London City to Dulles Intl flights

Heathrow to Reagan-National flights

Gatwick to Reagan-National flights

Stansted to Dulles Intl flights

Luton to Dulles Intl flights

London City to Reagan-National flights

Edinburgh to Dulles Intl flights

Manchester to Dulles Intl flights

Glasgow Intl to Dulles Intl flights

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Washington, D.C. car hire

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

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£214	Average£303	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Icelandair	Cheapest£290	Average£372	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£305	Average£504	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£307	Average£496	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£315	Average£530	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£347	Average£432	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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Cheap flights from Ireland to Washington, D.C. from £292

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

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

Keep the following information in mind while searching for Ireland to Washington, D.C. flight deals. Data was last updated 18 September 2025.

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

Cheapest flights from Ireland to Washington, D.C.Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ireland with our price prediction graph.

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Everything you need to know about your flight from Ireland to Washington, D.C.

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

What is the cheapest time of day to fly from IE to WAS?

Find hourly flight availability from Ireland 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 18 September 2025.

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

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with United Airlines, Aer Lingus, andIcelandair from Ireland to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated 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 Ireland 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.

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

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

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

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Alternative routes for Ireland to Washington, D.C.

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

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Cheapest flights from Ireland to Washington, D.C.
Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.