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

For as low as $652, Icelandair can have you in Ireland from Washington, D.C. in 9h 35m. There are 3351 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 Icelandair, which is currently one of the cheapest options available, starting at $165. Aer Lingus flights start at $379 while deals on Lufthansa start at $442 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 Baltimore/Washington - Dublin or Washington, D.C. Reagan-National - Dublin.

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

The cheapest flight price from Washington, D.C. to Ireland is $411. On average you can expect to pay $2,312. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $456.

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: Qatar Airways (85%), American Airlines (82%), Aer Lingus (82%).

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.

$255+ Cheap Flights from Washington, D.C. to Ireland

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

Cheapest

Best

Last-minute

One-way

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 August 12, 2026.

Sun 10/188:30 pm -

1 stop11h 45m

Sat 10/3111:30 am -

1 stop12h 10m

Deal found 8/11

$533

Tue 10/68:30 pm -

1 stop9h 35m

Thu 10/152:15 pm -

1 stop10h 10m

Deal found 8/9

$534

Tue 9/228:30 pm -

1 stop9h 35m

Wed 9/3012:15 pm -

1 stop12h 10m

Deal found 8/11

$540

Wed 10/148:30 pm -

1 stop11h 45m

Mon 10/192:15 pm -

1 stop10h 10m

Deal found 8/9

$544

Mon 9/288:30 pm -

1 stop11h 45m

Wed 10/712:15 pm -

1 stop12h 10m

Deal found 8/10

$572

Wed 10/218:30 pm -

1 stop11h 45m

Sat 11/711:30 am -

1 stop12h 10m

Deal found 8/11

$576

Tue 10/208:30 pm -

1 stop9h 35m

Sat 11/711:30 am -

1 stop12h 10m

Deal found 8/11

$585

Thu 10/298:40 pm -

1 stop9h 35m

Mon 11/911:30 am -

1 stop12h 10m

Deal found 8/11

$601

Thu 10/298:40 pm -

1 stop9h 35m

Wed 11/411:30 am -

1 stop12h 10m

Deal found 8/9

$604

Sun 10/188:30 pm -

1 stop11h 45m

Thu 11/511:30 am -

1 stop12h 10m

Deal found 8/11

$607

Wed 11/47:40 pm -

1 stop9h 35m

Tue 11/1011:30 am -

1 stop12h 10m

Deal found 8/9

$613

Sun 10/118:20 pm -

2 stops17h 10m

Sat 10/178:00 pm -

2 stops26h 00m

Deal found 8/9

$639

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 August 12, 2026.

Fri 1/157:40 pm -

1 stop9h 35m

Mon 1/1811:30 am -

1 stop12h 10m

Deal found 8/8

$652

Wed 11/46:15 pm -

1 stop11h 25m

Wed 11/115:40 am -

1 stop15h 15m

Deal found 8/9

$699

Sun 1/37:20 pm -

1 stop9h 35m

Tue 1/1210:40 am -

1 stop12h 08m

Deal found 8/8

$706

Wed 11/41:55 pm -

2 stops15h 45m

Wed 11/115:40 am -

2 stops16h 09m

Deal found 8/9

$713

Tue 10/610:35 pm -

Nonstop7h 05m

Fri 10/169:20 am -

1 stop11h 47m

Deal found 8/10

$722

Thu 10/89:40 pm -

1 stop20h 25m

Thu 10/225:45 am -

1 stop34h 45m

Deal found 8/7

$762

Mon 9/1412:25 pm -

1 stop14h 55m

Mon 9/2811:30 am -

1 stop16h 29m

Deal found 8/9

$765

Fri 10/169:30 pm -

1 stop31h 10m

Sun 10/256:30 pm -

1 stop27h 35m

Deal found 8/7

$854

Sun 9/279:40 am -

2 stops20h 05m

Mon 10/1211:25 am -

2 stops51h 55m

Deal found 8/8

$912

Thu 9/245:15 pm -

2 stops16h 55m

Thu 10/17:10 am -

2 stops13h 35m

Deal found 8/10

$950

Mon 1/117:40 pm -

1 stop9h 35m

Fri 1/1511:30 am -

1 stop12h 10m

Deal found 8/11

$652

Mon 11/165:02 pm -

1 stop10h 43m

Thu 11/265:45 am -

2 stops18h 44m

Deal found 8/8

$702

Sun 1/37:20 pm -

1 stop9h 35m

Wed 1/139:30 am -

1 stop13h 53m

Deal found 8/8

$706

Tue 9/2912:38 pm -

1 stop17h 32m

Mon 10/56:35 pm -

1 stop27h 10m

Deal found 8/11

$728

Wed 1/1311:00 am -

1 stop15h 30m

Wed 1/209:30 am -

1 stop9h 48m

Deal found 8/10

$706

Wed 11/43:15 pm -

2 stops14h 25m

Wed 11/115:40 am -

2 stops19h 55m

Deal found 8/10

$713

Tue 9/223:05 pm -

2 stops14h 15m

Tue 9/296:15 am -

2 stops15h 17m

Deal found 8/9

$802

Tue 9/225:40 pm -

2 stops16h 00m

Tue 9/296:15 am -

2 stops19h 47m

Deal found 8/8

$731

Tue 11/176:28 pm -

2 stops17h 12m

Fri 11/275:40 am -

2 stops23h 01m

Deal found 8/11

$714

Mon 9/218:20 pm -

1 stop8h 55m

Tue 10/612:30 pm -

1 stop14h 29m

Deal found 8/12

$729

Tue 9/226:26 pm -

2 stops15h 14m

Tue 9/296:15 am -

2 stops15h 15m

Deal found 8/9

$740

Wed 9/236:15 pm -

1 stop15h 25m

Mon 9/286:15 am -

1 stop14h 20m

Deal found 8/8

$823

Fri 2/56:55 pm -

1 stop15h 50m

Tue 2/97:50 am -

1 stop14h 15m

Deal found 8/10

$963

Sun 9/279:45 pm -

1 stop11h 55m

Mon 10/1210:50 am -

1 stop33h 45m

Deal found 8/11

$725

Mon 9/218:25 am -

1 stop18h 05m

Tue 10/612:30 pm -

2 stops15h 29m

Deal found 8/10

$731

Thu 11/510:20 pm -

Nonstop7h 00m

Tue 11/105:10 am -

1 stop15h 45m

Deal found 8/8

$766

Wed 8/1912:29 pm -

1 stop17h 41m

Mon 8/311:05 pm -

2 stops16h 29m

Deal found 8/9

$879

Tue 9/225:15 pm -

2 stops16h 25m

Tue 9/296:15 am -

1 stop14h 20m

Deal found 8/9

$730

Tue 9/294:30 pm -

1 stop12h 45m

Wed 10/1412:30 pm -

1 stop30h 54m

Deal found 8/9

$738

Mon 9/712:55 pm -

2 stops16h 50m

Sun 9/1311:25 am -

2 stops15h 25m

Deal found 8/8

$1,082

Last-minute flights from Washington, D.C. to Ireland
Discover last-minute flight deals from Washington, D.C. to Ireland. Data last updated August 12, 2026 and is based on user searches.

Fri 8/2812:40 pm -

2 stops17h 50m

Wed 9/21:15 pm -

1 stop11h 42m

Deal found 8/10

$655

Mon 9/218:30 pm -

1 stop11h 45m

Wed 9/3012:15 pm -

1 stop12h 10m

Deal found 8/12

$642

Mon 9/2111:00 am -

1 stop19h 30m

Tue 9/291:15 pm -

2 stops26h 05m

Deal found 8/11

$651

Mon 9/214:00 pm -

1 stop14h 30m

Tue 9/291:15 pm -

1 stop12h 10m

Deal found 8/11

$658

Tue 9/228:30 pm -

1 stop9h 35m

Wed 9/3012:15 pm -

1 stop12h 10m

Deal found 8/11

$540

Tue 9/228:30 pm -

1 stop9h 35m

Sat 10/32:15 pm -

1 stop13h 00m

Deal found 8/10

$640

Wed 9/238:30 pm -

1 stop11h 45m

Wed 9/3012:15 pm -

1 stop15h 00m

Deal found 8/8

$655

Fri 9/258:30 pm -

1 stop11h 45m

Wed 9/3012:15 pm -

1 stop15h 00m

Deal found 8/11

$654

Sat 9/265:05 pm -

1 stop11h 55m

Fri 10/25:30 am -

1 stop13h 55m

Deal found 8/7

$657

Mon 9/288:30 pm -

1 stop11h 45m

Wed 10/712:15 pm -

1 stop12h 10m

Deal found 8/10

$572

Mon 9/288:30 pm -

1 stop11h 45m

Wed 10/712:15 pm -

1 stop15h 00m

Deal found 8/10

$649

Mon 9/288:30 pm -

1 stop11h 45m

Mon 10/52:15 pm -

1 stop10h 10m

Deal found 8/10

$651

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 August 12, 2026.

Wed 10/2111:15 pm -

2 stops27h 00m

Deal found 8/7

$255

Sun 10/189:16 pm -

3 stops40h 29m

Deal found 8/8

$260

Sun 10/1111:25 am -

2 stops15h 55m

Deal found 8/9

$263

Mon 10/58:30 pm -

2 stops23h 05m

Deal found 8/8

$264

Mon 10/128:30 pm -

2 stops23h 05m

Deal found 8/10

$265

Thu 10/1511:25 am -

1 stop16h 55m

Deal found 8/9

$267

Mon 10/128:30 pm -

2 stops23h 05m

Deal found 8/10

$270

Wed 10/1411:20 pm -

2 stops26h 55m

Deal found 8/10

$271

Fri 10/168:30 pm -

2 stops29h 40m

Deal found 8/10

$271

Tue 10/138:00 pm -

2 stops39h 10m

Deal found 8/9

$276

Wed 10/148:30 pm -

2 stops29h 45m

Deal found 8/10

$276

Thu 10/811:25 am -

1 stop16h 55m

Deal found 8/10

$279

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$533 (Mytrip)
One-way from	$255 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$777
Good round-trip deal	$767 or less
Good one-way deal	$456 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.

Search Deals

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. 18% potential increase in price ($166 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

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

Cheapest round-trip

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Fri 1/15

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Mon 1/18

11:30 am-6:40 pm

1 stop12h 10m

$652

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Mon 1/11

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Fri 1/15

11:30 am-6:40 pm

1 stop12h 10m

$652

Washington, D.C.Cork

IAD Washington, D.C. Dulles Intl - ORK Cork

IADORK

Washington, D.C. Dulles Intl

Wed 11/4

6:15 pm-10:40 am

1 stop11h 25m

Cork

Wed 11/11

5:40 am-3:55 pm

1 stop15h 15m

$699

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Mon 11/16

5:02 pm-8:45 am

1 stop10h 43m

Dublin

Thu 11/26

5:45 am-7:29 pm

2 stops18h 44m

$702

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Sun 1/3

7:20 pm-9:55 am

1 stop9h 35m

Dublin

Tue 1/12

10:40 am-5:48 pm

1 stop12h 08m

$706

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Sun 1/3

7:20 pm-9:55 am

1 stop9h 35m

Dublin

Wed 1/13

9:30 am-6:23 pm

1 stop13h 53m

$706

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Wed 1/13

11:00 am-7:30 am

1 stop15h 30m

Dublin

Wed 1/20

9:30 am-2:18 pm

1 stop9h 48m

$706

BaltimoreCork

BWI Baltimore/Washington - ORK Cork

BWIORK

Baltimore/Washington

Wed 11/4

1:55 pm-10:40 am

2 stops15h 45m

Cork

Wed 11/11

5:40 am-4:49 pm

2 stops16h 09m

$713

Washington, D.C.Cork

DCA Washington, D.C. Reagan-National - ORK Cork

DCAORK

Washington, D.C. Reagan-National

Wed 11/4

3:15 pm-10:40 am

2 stops14h 25m

Cork

Wed 11/11

5:40 am-8:35 pm

2 stops19h 55m

$713

BaltimoreCork

BWI Baltimore/Washington - ORK Cork

BWIORK

Baltimore/Washington

Tue 11/17

6:28 pm-4:40 pm

2 stops17h 12m

Cork

Fri 11/27

5:40 am-11:41 pm

2 stops23h 01m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

BWI-DUB

IAD-DUB

DCA-DUB

DCA-SNN

IAD-SNN

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

WAS-IE0

BWI-DUB

IAD-DUB

DCA-DUB

DCA-SNN

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $552). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $1,085). 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?

When flying from Washington, D.C. to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from WAS to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

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

About 16% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 191 minutes.

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

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

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

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

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

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from Washington, D.C. to Ireland?

The price you pay for your flight from Washington, D.C. to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ireland

Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines 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

10,115 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

United Airlines

7.4

Good

10,115 reviews

United Airlines

7.4

Good

10,115 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Aer Lingus

7.3

Good

1,697 reviews

United Airlines

7.4

Good

10,115 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

American Airlines

7.1

Good

11,918 reviews

United Airlines

7.4

Good

10,115 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

JetBlue

7.1

Good

3,035 reviews

United Airlines

7.4

Good

10,115 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Icelandair

6.9

Okay

728 reviews

United Airlines

7.4

Good

10,115 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

How long is the flight from Washington, D.C. to Ireland?
For as low as $652, Icelandair can have you in Ireland from Washington, D.C. in 9h 35m. There are 3351 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 Icelandair, which is currently one of the cheapest options available, starting at $165. Aer Lingus flights start at $379 while deals on Lufthansa start at $442 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 Baltimore/Washington - Dublin or Washington, D.C. Reagan-National - 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: Qatar Airways (85%), American Airlines (82%), Aer Lingus (82%).
What are the cheapest flights from Washington, D.C. to Ireland?
The cheapest flight price from Washington, D.C. to Ireland is $411. On average you can expect to pay $2,312. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $456.
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, January is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $552). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $1,085). 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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Alternative routes for Washington, D.C. to Ireland

Dulles Intl to Heathrow flights

Dulles Intl to Charles de Gaulle flights

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Dulles Intl to Lisbon flights

Dulles Intl to Athens flights

Reagan-National to Charles de Gaulle flights

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Dulles Intl to Vicenza flights

Dulles Intl to Keflavik Intl flights

Dulles Intl to Bruxelles-National flights

Dulles Intl to Luton flights

Reagan-National to Madrid flights

Reagan-National to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Zurich flights

Reagan-National to Lisbon flights

Dulles Intl to Edinburgh flights

Dulles Intl to Vienna flights

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Reagan-National to Munich flights

Reagan-National to Barcelona-El Prat flights

Dulles Intl to Oslo Gardermoen flights

Dulles Intl to Florence flights

Reagan-National to Zurich flights

Dulles Intl to Geneva flights

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

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$157	Average$1,213	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$359	Average$704	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$364	Average$627	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$391	Average$843	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$445	Average$735	FlexibilityNo cancel fee	On-time71%
Scandinavian Airlines	Cheapest$456	Average$518	FlexibilityNo cancel fee	On-time77%
JetBlue	Cheapest$477	Average$742	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$556	Average$911	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$564	Average$781	FlexibilityNo cancel fee	On-time70%
Turkish Airlines	Cheapest$577	Average$606	FlexibilityNo cancel fee	On-time77%

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$255+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.

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

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 August 12, 2026.

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 August 12, 2026.

Best flights from Washington, D.C. to IrelandDiscover 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 August 12, 2026.

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 August 12, 2026.

Last-minute flights from Washington, D.C. to IrelandDiscover last-minute flight deals from Washington, D.C. to Ireland. Data last updated August 12, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Ireland. Data last updated August 12, 2026 and is based on user searches.

One-way flights from Washington, D.C. to IrelandSearch for one-way flight options from Washington, D.C. to Ireland. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.

Search for one-way flight options from Washington, D.C. to Ireland. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.

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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.

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

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

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 August 12, 2026.

When flying from Washington, D.C. to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from WAS to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

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

About 16% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 191 minutes.

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

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

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

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

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

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from Washington, D.C. to Ireland?

The price you pay for your flight from Washington, D.C. to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ireland

Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines 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

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

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

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

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

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

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

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

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

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

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Alternative routes for Washington, D.C. to Ireland

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Complete your trip

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Washington, D.C. and Ireland flights

Browse other Washington, D.C. and Ireland flight options. Last updated on August 12, 2026.

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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 August 12, 2026.

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 August 12, 2026.

Last-minute flights from Washington, D.C. to Ireland
Discover last-minute flight deals from Washington, D.C. to Ireland. Data last updated August 12, 2026 and is based on user searches.

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 August 12, 2026.