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

For as low as $502, United Airlines can have you in Ireland from Washington, D.C. in 10h 43m. There are 3381 mi between Washington, D.C. and Ireland. This flight may include one or multiple stops.

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

To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $304. TAP AIR PORTUGAL flights start at $312 while deals on Icelandair start at $358 one-way.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

If weather is an important factor for your trip to Ireland, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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

The most popular route from Washington, D.C. to Ireland is Washington, D.C. Dulles Intl - Dublin. You may also consider Washington, D.C. Reagan-National - Dublin or Baltimore/Washington - Dublin.

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

The cheapest flight price from Washington, D.C. to Ireland is $374. On average you can expect to pay $1,090. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $386.

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

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 Washington, D.C. to Ireland on time: American Airlines (83%), Aer Lingus (83%), Iberia (83%).

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

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

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

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

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Ireland.

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

Yes. Cheapflights offers flight deals from Washington, D.C. to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$261+ Flights from Washington, D.C. to Ireland

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

Cheapest flights from Washington, D.C. to Ireland
Explore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Thu 11/137:40 pmBWI - DUB

1 stop9h 35mIcelandair

Wed 11/2611:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/29

$371

Tue 12/27:40 pmBWI - DUB

1 stop9h 35mIcelandair

Fri 12/1211:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/28

$421

Thu 12/47:40 pmBWI - DUB

1 stop9h 35mIcelandair

Mon 12/811:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/27

$448

Sun 12/77:40 pmBWI - DUB

2 stops22h 15mMultiple Airlines

Fri 12/125:45 amDUB - BWI

2 stops17h 55mMultiple Airlines

Deal found 10/28

$463

Fri 12/127:40 pmBWI - DUB

2 stops18h 45mMultiple Airlines

Sun 12/145:45 amDUB - BWI

2 stops17h 55mMultiple Airlines

Deal found 10/28

$466

Tue 11/117:40 pmBWI - DUB

1 stop9h 35mIcelandair

Tue 11/1811:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/28

$470

Wed 12/37:40 pmBWI - DUB

1 stop9h 35mIcelandair

Tue 12/911:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/28

$471

Tue 12/21:10 pmBWI - DUB

1 stop14h 00mUnited Airlines

Fri 12/129:00 amDUB - BWI

2 stops37h 24mUnited Airlines

Deal found 10/29

$474

Fri 11/287:40 pmBWI - DUB

2 stops18h 45mMultiple Airlines

Fri 12/55:45 amDUB - BWI

2 stops17h 55mMultiple Airlines

Deal found 10/29

$483

Sun 11/910:20 pmIAD - DUB

Nonstop7h 00mMultiple Airlines

Tue 11/185:00 amDUB - IAD

1 stop15h 50mMultiple Airlines

Deal found 10/27

$484

Wed 11/269:00 pmIAD - DUB

Nonstop6h 50mAer Lingus

Wed 12/312:15 pmDUB - IAD

Nonstop8h 20mAer Lingus

Deal found 10/28

$485

Wed 11/196:20 pmIAD - DUB

1 stop18h 25mAmerican Airlines

Wed 11/266:40 amDUB - IAD

1 stop13h 55mAmerican Airlines

Deal found 10/29

$486

Best flights from Washington, D.C. to Ireland
Discover carefully curated flight deals from Washington, D.C. to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Wed 11/263:30 pmDCA - DUB

1 stop11h 40mUnited Airlines

Wed 12/39:00 amDUB - DCA

1 stop18h 35mUnited Airlines

Deal found 10/28

$487

Mon 2/910:05 amBWI - DUB

2 stops16h 25mMultiple Airlines

Thu 2/195:00 amDUB - BWI

2 stops21h 27mMultiple Airlines

Deal found 10/28

$496

Mon 11/106:05 pmIAD - ORK

1 stop17h 40mDelta

Wed 11/266:00 amORK - IAD

1 stop15h 05mDelta

Deal found 10/28

$500

Wed 12/35:02 pmDCA - DUB

1 stop10h 43mKLM

Tue 12/910:45 amDUB - DCA

1 stop12h 14mKLM

Deal found 10/28

$502

Thu 1/1511:10 amDCA - DUB

2 stops19h 35mScandinavian Airlines

Mon 1/197:05 pmDUB - DCA

2 stops32h 43mScandinavian Airlines

Deal found 10/29

$502

Tue 3/318:30 pmBWI - DUB

1 stop9h 35mIcelandair

Mon 4/62:15 pmDUB - BWI

1 stop10h 10mIcelandair

Deal found 10/28

$525

Thu 2/54:43 pmDCA - SNN

2 stops13h 47mAmerican Airlines

Mon 2/97:50 amSNN - DCA

2 stops16h 04mAmerican Airlines

Deal found 10/28

$534

Sun 11/239:45 amIAD - SNN

2 stops20h 45mAir Canada

Tue 12/97:50 amSNN - IAD

2 stops18h 09mAir Canada

Deal found 10/28

$662

Thu 2/56:20 pmIAD - SNN

1 stop17h 25mBritish Airways

Mon 2/98:05 pmSNN - IAD

2 stops24h 30mBritish Airways

Deal found 10/28

$686

Sat 12/136:20 pmIAD - ORK

1 stop11h 50mAer Lingus

Sat 12/2011:55 amORK - IAD

2 stops32h 40mAer Lingus

Deal found 10/28

$836

Wed 11/2612:40 pmIAD - DUB

1 stop14h 30mUnited Airlines

Fri 12/59:00 amDUB - IAD

2 stops17h 22mUnited Airlines

Deal found 10/28

$487

Wed 12/31:10 pmBWI - DUB

1 stop14h 00mMultiple Airlines

Tue 12/95:00 amDUB - BWI

2 stops21h 08mMultiple Airlines

Deal found 10/28

$496

Wed 12/35:02 pmDCA - DUB

1 stop10h 43mDelta

Tue 12/98:50 amDUB - DCA

2 stops16h 50mDelta

Deal found 10/28

$501

Thu 2/1912:30 pmIAD - DUB

2 stops18h 15mScandinavian Airlines

Mon 2/237:05 pmDUB - IAD

2 stops29h 07mScandinavian Airlines

Deal found 10/29

$502

Wed 11/2612:40 pmIAD - DUB

1 stop14h 30mUnited Airlines

Wed 12/39:00 amDUB - IAD

1 stop11h 46mUnited Airlines

Deal found 10/29

$487

Fri 12/52:16 pmIAD - ORK

2 stops15h 54mAmerican Airlines

Wed 12/107:40 amORK - IAD

1 stop17h 15mAmerican Airlines

Deal found 10/28

$542

Mon 11/104:51 pmDCA - DUB

1 stop10h 49mMultiple Airlines

Tue 11/1811:30 amDUB - DCA

1 stop14h 28mMultiple Airlines

Deal found 10/28

$502

Tue 12/27:02 amBWI - DUB

2 stops20h 43mDelta

Fri 12/125:55 amDUB - BWI

2 stops18h 07mDelta

Deal found 10/28

$505

Wed 12/1010:20 pmIAD - DUB

Nonstop7h 00mUnited Airlines

Wed 12/1712:05 pmDUB - IAD

Nonstop8h 15mUnited Airlines

Deal found 10/28

$488

Wed 12/1011:13 amDCA - DUB

2 stops15h 37mDelta

Wed 12/179:45 amDUB - DCA

1 stop13h 55mDelta

Deal found 10/28

$507

Tue 2/176:00 amDCA - DUB

1 stop20h 30mMultiple Airlines

Sat 2/289:00 amDUB - DCA

2 stops30h 26mMultiple Airlines

Deal found 10/29

$525

Mon 11/102:35 pmBWI - ORK

2 stops15h 10mKLM

Wed 11/266:00 amORK - BWI

2 stops15h 48mKLM

Deal found 10/28

$652

Tue 12/95:19 pmIAD - DUB

1 stop9h 11mUnited Airlines

Tue 12/1612:05 pmDUB - IAD

Nonstop8h 15mUnited Airlines

Deal found 10/28

$492

Wed 11/264:47 pmDCA - SNN

2 stops13h 43mAmerican Airlines

Wed 12/37:50 amSNN - DCA

2 stops19h 40mAmerican Airlines

Deal found 10/29

$604

Wed 11/2612:11 pmIAD - DUB

2 stops14h 54mDelta

Wed 12/38:50 amDUB - IAD

2 stops15h 29mDelta

Deal found 10/28

$510

Wed 11/269:45 amIAD - SNN

2 stops26h 00mAir Canada

Wed 12/37:50 amSNN - IAD

2 stops37h 31mAir Canada

Deal found 10/29

$689

Wed 11/268:35 pmBWI - SNN

1 stop17h 50mBritish Airways

Wed 12/37:50 amSNN - BWI

1 stop15h 55mBritish Airways

Deal found 10/29

$691

Sun 11/96:00 amIAD - DUB

1 stop20h 30mMultiple Airlines

Sun 11/169:00 amDUB - IAD

2 stops31h 39mMultiple Airlines

Deal found 10/27

$525

Wed 12/1012:00 pmDCA - DUB

1 stop15h 10mUnited Airlines

Wed 12/179:30 amDUB - DCA

1 stop9h 55mUnited Airlines

Deal found 10/29

$493

Wed 11/2611:10 amDCA - DUB

2 stops15h 55mDelta

Wed 12/311:30 amDUB - DCA

1 stop13h 16mDelta

Deal found 10/28

$512

Last-minute flights from Washington, D.C. to Ireland
Discover last-minute flight deals from Washington, D.C. to Ireland. Data last updated October 30, 2025 and is based on user searches.

Sun 11/910:20 pmIAD - DUB

Nonstop7h 00mMultiple Airlines

Tue 11/185:00 amDUB - IAD

1 stop15h 50mMultiple Airlines

Deal found 10/27

$484

Sun 11/912:11 pmIAD - DUB

1 stop15h 34mDelta

Tue 11/181:25 pmDUB - IAD

1 stop31h 40mDelta

Deal found 10/28

$487

Tue 11/117:40 pmBWI - DUB

1 stop9h 35mIcelandair

Tue 11/1811:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/28

$470

Tue 11/1112:55 pmDCA - DUB

2 stops13h 15mMultiple Airlines

Tue 11/185:00 amDUB - DCA

2 stops15h 31mMultiple Airlines

Deal found 10/28

$488

Thu 11/137:40 pmBWI - DUB

1 stop9h 35mIcelandair

Tue 11/1811:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/28

$371

Wed 11/196:15 amBWI - DUB

1 stop20h 55mUnited Airlines

Wed 11/269:00 amDUB - BWI

2 stops37h 14mUnited Airlines

Deal found 10/29

$474

Wed 11/196:20 pmIAD - DUB

1 stop18h 25mAmerican Airlines

Wed 11/266:40 amDUB - IAD

1 stop13h 55mAmerican Airlines

Deal found 10/29

$486

Sun 11/235:05 pmIAD - DUB

Nonstop6h 50mAer Lingus

Wed 12/34:20 pmDUB - IAD

Nonstop8h 10mAer Lingus

Deal found 10/27

$488

Wed 11/269:00 pmIAD - DUB

Nonstop6h 50mAer Lingus

Wed 12/312:15 pmDUB - IAD

Nonstop8h 20mAer Lingus

Deal found 10/28

$485

Wed 11/263:30 pmDCA - DUB

1 stop11h 40mUnited Airlines

Wed 12/39:00 amDUB - DCA

1 stop18h 35mUnited Airlines

Deal found 10/28

$487

Fri 11/287:40 pmBWI - DUB

1 stop9h 35mIcelandair

Fri 12/511:30 amDUB - BWI

1 stop12h 10mIcelandair

Deal found 10/29

$421

Fri 11/287:40 pmBWI - DUB

2 stops18h 45mMultiple Airlines

Fri 12/55:45 amDUB - BWI

2 stops17h 55mMultiple Airlines

Deal found 10/29

$483

One-way flights from Washington, D.C. to Ireland
Search for one-way flight options from Washington, D.C. to Ireland. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Mon 12/810:40 amBWI - DUB

2 stops31h 25mMultiple Airlines

Deal found 10/29

$261

Fri 12/128:37 amBWI - DUB

2 stops31h 58mMultiple Airlines

Deal found 10/29

$271

Sun 1/119:20 pmBWI - DUB

2 stops53h 45mMultiple Airlines

Deal found 10/27

$274

Sun 1/1110:30 pmIAD - DUB

2 stops36h 00mMultiple Airlines

Deal found 10/27

$284

Thu 12/118:37 amBWI - DUB

2 stops31h 58mMultiple Airlines

Deal found 10/29

$286

Wed 1/2110:30 pmIAD - DUB

2 stops18h 05mMultiple Airlines

Deal found 10/29

$292

Sun 12/79:43 pmBWI - DUB

3 stops31h 32mMultiple Airlines

Deal found 10/29

$292

Sat 11/154:30 pmBWI - SNN

3 stops45h 50mMultiple Airlines

Deal found 10/28

$296

Sun 11/166:24 amDCA - DUB

1 stop16h 56mJetBlue

Deal found 10/29

$304

Sun 11/1610:30 pmIAD - DUB

1 stop12h 40mTAP AIR PORTUGAL

Deal found 10/29

$312

Tue 12/98:00 amBWI - DUB

3 stops28h 25mMultiple Airlines

Deal found 10/29

$320

Sat 12/1310:40 amBWI - DUB

2 stops27h 30mMultiple Airlines

Deal found 10/29

$333

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$371 (oojo)
One-way from	$261 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$609
Good round-trip deal	$635 or less
Good one-way deal	$413 or less

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

Search Deals

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

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($91 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 11/26

3:30 pm-8:10 am

1 stop11h 40m

Dublin

Wed 12/3

9:00 am-10:35 pm

1 stop18h 35m

$487

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 11/26

12:40 pm-8:10 am

1 stop14h 30m

Dublin

Fri 12/5

9:00 am-9:22 pm

2 stops17h 22m

$487

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 11/26

12:40 pm-8:10 am

1 stop14h 30m

Dublin

Wed 12/3

9:00 am-3:46 pm

1 stop11h 46m

$487

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 12/10

10:20 pm-10:20 am

Nonstop7h 00m

Dublin

Wed 12/17

12:05 pm-3:20 pm

Nonstop8h 15m

$488

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 12/9

5:19 pm-7:30 am

1 stop9h 11m

Dublin

Tue 12/16

12:05 pm-3:20 pm

Nonstop8h 15m

$492

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 12/10

12:00 pm-8:10 am

1 stop15h 10m

Dublin

Wed 12/17

9:30 am-2:25 pm

1 stop9h 55m

$493

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 2/9

10:05 am-7:30 am

2 stops16h 25m

Dublin

Thu 2/19

5:00 am-9:27 pm

2 stops21h 27m

$496

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 12/3

1:10 pm-8:10 am

1 stop14h 00m

Dublin

Tue 12/9

5:00 am-9:08 pm

2 stops21h 08m

$496

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Mon 11/10

6:05 pm-4:45 pm

1 stop17h 40m

Cork

Wed 11/26

6:00 am-4:05 pm

1 stop15h 05m

$500

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 12/3

5:02 pm-8:45 am

1 stop10h 43m

Dublin

Tue 12/9

8:50 am-8:40 pm

2 stops16h 50m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 60 results

...

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

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $182). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $474). 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 WAS to IE?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Ireland in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.

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

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

Reviews of airlines servicing Ireland

Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Aer Lingus from Washington, D.C. to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

8,998 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,032 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Aer Lingus

7.2

Good

1,361 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Icelandair

7.1

Good

562 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

PLAY

7.0

Good

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Washington, D.C. to Ireland?
For as low as $502, United Airlines can have you in Ireland from Washington, D.C. in 10h 43m. There are 3381 mi between Washington, D.C. and Ireland. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Washington, D.C. to Ireland one-way?
To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $304. TAP AIR PORTUGAL flights start at $312 while deals on Icelandair start at $358 one-way.
What are the most popular routes from Washington, D.C. to Ireland?
The most popular route from Washington, D.C. to Ireland is Washington, D.C. Dulles Intl - Dublin. You may also consider Washington, D.C. Reagan-National - Dublin or Baltimore/Washington - Dublin.
What are the most reliable airlines from Washington, D.C. to Ireland?
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 Washington, D.C. to Ireland on time: American Airlines (83%), Aer Lingus (83%), Iberia (83%).
What are the cheapest flights from Washington, D.C. to Ireland?
The cheapest flight price from Washington, D.C. to Ireland is $374. On average you can expect to pay $1,090. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $386.
Can I find deals for flights from Washington, D.C. to Ireland that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Ireland.
Can I find deals for business class flights from Washington, D.C. to Ireland?
Yes. Cheapflights offers flight deals from Washington, D.C. to Ireland 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 Washington, D.C. to Ireland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $182). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $474). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Ireland

Dulles Intl to Heathrow flights

Dulles Intl to Charles de Gaulle flights

Dulles Intl to Madrid flights

Dulles Intl to Istanbul flights

Reagan-National to Heathrow flights

Dulles Intl to Gatwick flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Lisbon flights

Dulles Intl to London City flights

Dulles Intl to Frankfurt flights

Reagan-National to Madrid flights

Reagan-National to Gatwick flights

Dulles Intl to Dublin flights

Dulles Intl to Orly flights

Reagan-National to Charles de Gaulle flights

Dulles Intl to Stansted flights

Dulles Intl to Barcelona-El Prat flights

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Washington, D.C. to Ireland flights

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Top 10 airlines flying from Washington, D.C. to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$144	Average$808	FlexibilityNo cancel fee	On-timeN/A
PLAY	Cheapest$290	Average$454	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$359	Average$709	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$371	Average$642	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$427	Average$595	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$435	Average$901	FlexibilityNo cancel fee	On-time71%
Scandinavian Airlines	Cheapest$456	Average$494	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$484	Average$778	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$496	Average$777	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$496	Average$673	FlexibilityNo cancel fee	On-time62%

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$261+ Cheap flights from Washington, D.C. (WAS) to Ireland

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Washington, D.C. to IrelandExplore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Explore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

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

Keep the following information in mind while searching for Washington, D.C. to Ireland flight deals. Data was last updated October 30, 2025.

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Find hourly flight availability from Washington, D.C. to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Ireland. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Ireland

Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Aer Lingus from Washington, D.C. to Ireland to help guide your decision. You can also see how each airline stacks up 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 Washington, D.C. to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 10 airlines flying from Washington, D.C. to Ireland

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Cheapest flights from Washington, D.C. to Ireland
Explore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.