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 12h 10m. Fly via Icelandair, Scandinavian Airlines, or British Airways to get the fastest option. Ireland and Washington, D.C. are separated by a distance of 3351 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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. Reagan-National or Dublin - Washington, D.C. Dulles Intl, 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 £189 while the most popular route, (Dublin - Baltimore/Washington) is currently priced at £408.

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: SWISS (100%), Air Canada (89%), United Airlines (89%).

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

Aer Lingus, United Airlines 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.

£338+ Flights from Ireland to Washington, D.C.

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

Enter your travel dates to find the best prices.

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 11 December 2025.

Thu 11/1212:15DUB - IAD

Nonstop8h 20mAer Lingus

Sun 14/1217:05IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 9/12£365

Wed 24/1218:35DUB - IAD

1 stop27h 05mMultiple Airlines

Sat 3/122:20IAD - DUB

Nonstop7h 00mMultiple Airlines

Deal found 8/12£510

Fri 12/1211:30DUB - DCA

1 stop14h 28mAmerican Airlines

Sun 14/1216:43DCA - DUB

2 stops14h 32mAmerican Airlines

Deal found 9/12£515

Wed 24/1212:05DUB - IAD

Nonstop8h 15mLufthansa

Sat 3/122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 8/12£518

Fri 26/1210:50DUB - IAD

1 stop14h 15mLufthansa

Thu 1/122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 10/12£521

Tue 16/1213:25DUB - DCA

2 stops14h 32mDelta

Sun 28/1214:25DCA - DUB

1 stop13h 55mDelta

Deal found 9/12£525

Tue 16/1210:45DUB - DCA

1 stop12h 14mKLM

Sun 28/1217:00DCA - DUB

1 stop11h 20mKLM

Deal found 9/12£532

Fri 26/1210:40DUB - IAD

1 stop11h 50mUnited Airlines

Thu 1/122:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 10/12£532

Fri 12/1205:55DUB - IAD

1 stop15h 10mKLM

Sun 14/1215:38IAD - DUB

1 stop11h 07mKLM

Deal found 9/12£534

Fri 26/1211:30DUB - DCA

1 stop11h 49mDelta

Thu 1/108:20DCA - DUB

2 stops18h 25mDelta

Deal found 10/12£537

Fri 26/1211:30DUB - BWI

1 stop10h 26mDelta

Thu 1/108:15BWI - DUB

2 stops18h 30mDelta

Deal found 10/12£537

Thu 11/1211:30DUB - IAD

1 stop12h 00mIcelandair

Thu 8/119:40IAD - DUB

1 stop9h 35mIcelandair

Deal found 9/12£537

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 11 December 2025.

Fri 16/111:30DUB - BWI

1 stop12h 10mIcelandair

Tue 20/119:40BWI - DUB

1 stop9h 35mIcelandair

Deal found 8/12£338

Fri 13/219:05DUB - IAD

1 stop28h 45mScandinavian Airlines

Mon 16/220:30IAD - DUB

1 stop34h 15mScandinavian Airlines

Deal found 9/12£340

Thu 15/108:50DUB - BWI

1 stop14h 55mBritish Airways

Wed 21/120:35BWI - DUB

1 stop15h 25mBritish Airways

Deal found 9/12£365

Sat 17/111:30DUB - DCA

1 stop14h 29mMultiple Airlines

Fri 23/116:43DCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 9/12£383

Fri 23/113:25DUB - DCA

2 stops14h 23mDelta

Fri 30/111:10DCA - DUB

2 stops15h 50mDelta

Deal found 9/12£388

Thu 15/111:30DUB - IAD

1 stop12h 00mIcelandair

Mon 19/119:40IAD - DUB

1 stop9h 35mIcelandair

Deal found 8/12£338

Wed 11/219:05DUB - IAD

1 stop27h 10mScandinavian Airlines

Thu 19/220:30IAD - DUB

1 stop31h 55mScandinavian Airlines

Deal found 9/12£340

Sat 7/210:55DUB - BWI

1 stop12h 50mBritish Airways

Fri 13/220:35BWI - DUB

1 stop12h 45mBritish Airways

Deal found 9/12£365

Wed 11/219:05DUB - IAD

1 stop27h 10mScandinavian Airlines

Mon 16/220:30IAD - DUB

1 stop16h 50mScandinavian Airlines

Deal found 9/12£340

Fri 23/111:30DUB - DCA

1 stop10h 20mMultiple Airlines

Fri 30/116:43DCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 9/12£383

Thu 12/205:55DUB - DCA

2 stops15h 32mDelta

Sun 15/211:06DCA - DUB

2 stops15h 54mDelta

Deal found 10/12£388

Tue 20/111:30DUB - BWI

1 stop12h 10mIcelandair

Sat 24/119:40BWI - DUB

1 stop9h 35mIcelandair

Deal found 10/12£356

Tue 12/518:55DUB - BWI

1 stop29h 45mBritish Airways

Fri 22/521:30BWI - DUB

1 stop29h 15mBritish Airways

Deal found 9/12£368

Sat 14/210:10DUB - IAD

1 stop13h 40mScandinavian Airlines

Mon 16/220:30IAD - DUB

2 stops33h 15mScandinavian Airlines

Deal found 9/12£346

Mon 12/111:30DUB - DCA

1 stop15h 00mMultiple Airlines

Sun 18/116:43DCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 9/12£383

Fri 6/313:25DUB - DCA

2 stops15h 18mDelta

Mon 9/311:00DCA - DUB

2 stops16h 50mDelta

Deal found 9/12£388

Tue 10/211:30DUB - IAD

2 stops58h 45mScandinavian Airlines

Thu 19/220:30IAD - DUB

1 stop16h 50mScandinavian Airlines

Deal found 9/12£346

Mon 12/111:30DUB - DCA

1 stop10h 20mMultiple Airlines

Mon 19/113:44DCA - DUB

1 stop13h 56mMultiple Airlines

Deal found 9/12£383

Sat 24/113:25DUB - DCA

2 stops14h 34mDelta

Sat 31/117:00DCA - DUB

2 stops17h 45mDelta

Deal found 10/12£388

Tue 12/514:15DUB - BWI

1 stop13h 15mIcelandair

Fri 22/520:30BWI - DUB

1 stop11h 45mIcelandair

Deal found 10/12£416

Thu 12/210:00DUB - BWI

1 stop13h 45mBritish Airways

Thu 19/220:35BWI - DUB

1 stop13h 15mBritish Airways

Deal found 9/12£416

Tue 10/211:30DUB - IAD

2 stops58h 45mScandinavian Airlines

Mon 16/220:30IAD - DUB

2 stops33h 15mScandinavian Airlines

Deal found 9/12£351

Thu 30/412:40DUB - DCA

1 stop12h 58mMultiple Airlines

Sat 16/515:54DCA - DUB

1 stop9h 36mMultiple Airlines

Deal found 9/12£386

Wed 11/205:55DUB - DCA

2 stops15h 34mDelta

Wed 18/217:00DCA - DUB

2 stops17h 45mDelta

Deal found 9/12£388

Sat 14/210:10DUB - IAD

1 stop13h 40mScandinavian Airlines

Sat 21/220:30IAD - DUB

1 stop16h 50mScandinavian Airlines

Deal found 9/12£353

Thu 15/105:55DUB - DCA

2 stops16h 58mDelta

Wed 21/111:10DCA - DUB

1 stop16h 35mDelta

Deal found 9/12£390

Wed 4/318:00DUB - BWI

1 stop29h 45mBritish Airways

Wed 11/321:35BWI - DUB

1 stop18h 10mBritish Airways

Deal found 9/12£438

Thu 30/414:15DUB - BWI

1 stop10h 10mIcelandair

Sat 16/520:30BWI - DUB

1 stop9h 35mIcelandair

Deal found 10/12£464

Wed 11/219:05DUB - IAD

1 stop27h 10mScandinavian Airlines

Sat 21/220:30IAD - DUB

1 stop16h 50mScandinavian Airlines

Deal found 9/12£353

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 11 December 2025.

Tue 20/112:15DUB - IAD

Nonstop8h 20mAer Lingus

Sat 24/117:05IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 9/12£355

Fri 6/316:20DUB - IAD

Nonstop8h 10mAer Lingus

Mon 9/318:05IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 9/12£375

Thu 12/212:15DUB - IAD

Nonstop8h 20mAer Lingus

Thu 19/217:05IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 9/12£380

Mon 12/112:15DUB - IAD

Nonstop8h 20mIberia

Tue 20/117:05IAD - DUB

Nonstop6h 50mIberia

Deal found 8/12£486

Wed 4/312:15DUB - IAD

Nonstop8h 20mAmerican Airlines

Wed 11/322:00IAD - DUB

Nonstop6h 50mAmerican Airlines

Deal found 9/12£497

Wed 24/1212:05DUB - IAD

Nonstop8h 15mLufthansa

Sat 3/122:20IAD - DUB

Nonstop7h 00mLufthansa

Deal found 8/12£518

Tue 23/1212:05DUB - IAD

Nonstop8h 15mUnited Airlines

Fri 2/122:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 9/12£557

Sat 20/1212:05DUB - IAD

Nonstop8h 15mUnited Airlines

Fri 2/122:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 9/12£587

Sun 21/1212:05DUB - IAD

Nonstop8h 15mUnited Airlines

Tue 30/1222:20IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 9/12£590

Last-minute flights from Ireland to Washington, D.C.
Discover last-minute flight deals from Ireland to Washington, D.C.. Data last updated 11 December 2025 and is based on user searches.

Mon 12/108:50DUB - IAD

1 stop12h 15mKLM

Tue 20/118:05IAD - DUB

1 stop17h 15mKLM

Deal found 8/12£381

Mon 12/111:30DUB - DCA

1 stop10h 20mMultiple Airlines

Mon 19/113:44DCA - DUB

1 stop13h 56mMultiple Airlines

Deal found 9/12£383

Mon 12/117:15DUB - IAD

1 stop27h 50mMultiple Airlines

Wed 21/118:50IAD - DUB

1 stop15h 55mMultiple Airlines

Deal found 10/12£383

Mon 12/105:55DUB - IAD

1 stop15h 10mDelta

Tue 20/112:23IAD - DUB

2 stops14h 27mDelta

Deal found 8/12£384

Mon 12/111:30DUB - IAD

2 stops16h 42mBritish Airways

Tue 20/113:08IAD - DUB

2 stops14h 32mBritish Airways

Deal found 8/12£385

Thu 15/111:30DUB - IAD

1 stop12h 00mIcelandair

Mon 19/119:40IAD - DUB

1 stop9h 35mIcelandair

Deal found 8/12£338

Thu 15/113:10DUB - IAD

1 stop11h 45mBritish Airways

Mon 19/117:46IAD - DUB

2 stops18h 19mBritish Airways

Deal found 8/12£365

Fri 16/111:30DUB - BWI

1 stop12h 10mIcelandair

Tue 20/119:40BWI - DUB

1 stop9h 35mIcelandair

Deal found 8/12£338

Fri 16/110:45DUB - BWI

1 stop13h 00mBritish Airways

Tue 20/114:46BWI - DUB

2 stops21h 14mBritish Airways

Deal found 8/12£365

Tue 20/112:30DUB - IAD

1 stop33h 45mScandinavian Airlines

Sat 24/120:30IAD - DUB

1 stop34h 15mScandinavian Airlines

Deal found 9/12£345

Tue 20/112:15DUB - IAD

Nonstop8h 20mAer Lingus

Sat 24/117:05IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 9/12£355

Tue 20/111:30DUB - BWI

1 stop12h 10mIcelandair

Sat 24/119:40BWI - DUB

1 stop9h 35mIcelandair

Deal found 10/12£356

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 11 December 2025.

Wed 11/216:55DUB - IAD

1 stop27h 20mTAP AIR PORTUGAL

Deal found 9/12£343

Wed 11/210:20DUB - IAD

1 stop14h 35mMultiple Airlines

Deal found 8/12£347

Fri 9/107:35DUB - IAD

2 stops30h 33mMultiple Airlines

Deal found 10/12£386

Sun 1/313:40DUB - IAD

1 stop11h 15mMultiple Airlines

Deal found 8/12£408

Fri 9/111:30DUB - BWI

1 stop12h 10mIcelandair

Deal found 10/12£415

Fri 9/107:35DUB - DCA

3 stops34h 26mMultiple Airlines

Deal found 10/12£428

Wed 11/212:15DUB - IAD

Nonstop8h 20mAmerican Airlines

Deal found 10/12£434

Wed 11/210:20DUB - IAD

2 stops14h 35mBritish Airways

Deal found 10/12£452

Tue 6/118:05DUB - IAD

3 stops45h 14mMultiple Airlines

Deal found 9/12£459

Fri 9/111:30DUB - IAD

1 stop12h 00mIcelandair

Deal found 10/12£460

Fri 9/108:50DUB - DCA

2 stops15h 04mBritish Airways

Deal found 10/12£461

Mon 26/110:00DUB - DCA

2 stops13h 54mBritish Airways

Deal found 9/12£471

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

Round-trip from	£338
Popular in	August
Cheapest in	February
Average price	£454
Good round-trip deal	£533 or less
Good one-way deal	£190 or less

Icelandair
16/1-20/1
2 total stops
21h 45m total
Ireland to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£49 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from 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

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

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 16/1

11:30-18:40

1 stop12h 10m

Baltimore/Washington

Tue 20/1

19:40-10:15

1 stop9h 35m

£338

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 15/1

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 19/1

19:40-10:15

1 stop9h 35m

£338

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 13/2

19:05-18:50

1 stop28h 45m

Washington, D.C. Dulles Intl

Mon 16/2

20:30-11:45

1 stop34h 15m

£340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/2

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Thu 19/2

20:30-09:25

1 stop31h 55m

£340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/2

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Mon 16/2

20:30-18:20

1 stop16h 50m

£340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 14/2

10:10-18:50

1 stop13h 40m

Washington, D.C. Dulles Intl

Mon 16/2

20:30-10:45

2 stops33h 15m

£346

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 10/2

11:30-17:15

2 stops58h 45m

Washington, D.C. Dulles Intl

Thu 19/2

20:30-18:20

1 stop16h 50m

£346

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 10/2

11:30-17:15

2 stops58h 45m

Washington, D.C. Dulles Intl

Mon 16/2

20:30-10:45

2 stops33h 15m

£351

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 14/2

10:10-18:50

1 stop13h 40m

Washington, D.C. Dulles Intl

Sat 21/2

20:30-18:20

1 stop16h 50m

£353

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/2

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Sat 21/2

20:30-18:20

1 stop16h 50m

£353

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 51 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, February is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £213). Flying from Ireland to Washington, D.C. in June is currently the most expensive (average of £382). 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. in the evening. By choosing this option you can save up to 34% 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 Monday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

How often are flights from Ireland to Washington, D.C. delayed?

About 14% of weekly flights between Ireland and Washington, D.C. have experienced delays in the past year, with the average delay time being 152 minutes.

What is the most punctual flight time for Ireland to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Washington, D.C. flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with United Airlines, Aer Lingus, andPLAY 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

9,094 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

United Airlines

7.4

Good

9,094 reviews

United Airlines

7.4

Good

9,094 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Aer Lingus

7.2

Good

1,392 reviews

United Airlines

7.4

Good

9,094 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

PLAY

7.0

Good

United Airlines

7.4

Good

9,094 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Lufthansa

6.8

Okay

7,626 reviews

United Airlines

7.4

Good

9,094 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

British Airways

6.7

Okay

7,571 reviews

United Airlines

7.4

Good

9,094 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 12h 10m. Fly via Icelandair, Scandinavian Airlines, or British Airways to get the fastest option. Ireland and Washington, D.C. are separated by a distance of 3351 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. Reagan-National or Dublin - Washington, D.C. Dulles Intl, 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: SWISS (100%), Air Canada (89%), United Airlines (89%).
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 £189 while the most popular route, (Dublin - Baltimore/Washington) is currently priced at £408.
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, February is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £213). Flying from Ireland to Washington, D.C. in June is currently the most expensive (average of £382). 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

Silver Spring

Hanover

Oxon Hill

Woodbridge

Arlington

Alexandria

College Park

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

Heathrow to Reagan-National flights

London City to Dulles Intl flights

Stansted to Dulles Intl flights

Gatwick to Reagan-National flights

Luton to Dulles Intl flights

Edinburgh to Dulles Intl flights

Manchester to Dulles Intl flights

Manchester to Reagan-National flights

Glasgow Intl to Reagan-National flights

Glasgow Intl to Dulles Intl flights

Edinburgh to Reagan-National flights

London City to Reagan-National flights

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Complete your trip

Washington, D.C. car hire

Washington, D.C. Dulles Intl Airport car hire

Baltimore/Washington Airport car hire

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Dupont Circle car hire

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Direct flights to United States

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

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£220	Average£332	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Icelandair	Cheapest£281	Average£381	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£298	Average£433	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£312	Average£482	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£336	Average£543	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£336	Average£447	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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Cheap flights from Ireland to Washington, D.C. from £338

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. 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.

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 11 December 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 11 December 2025.

Find 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 11 December 2025.

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

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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 11 December 2025.

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

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Which airline has the best punctuality record on Ireland to Washington, D.C. flights?

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with United Airlines, Aer Lingus, andPLAY 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.?

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

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

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

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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What is the cheapest month to book a flight 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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How does Cheapflights help users find flights from Ireland to Washington, D.C.?

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

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

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

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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 11 December 2025.