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

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $338. However, be on the lookout for offers from Scandinavian Airlines and United Airlines, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Ireland for a low price.

What are the most popular routes from Washington, D.C. Reagan-National Airport to Ireland?

Most travelers choose Washington, D.C. Reagan-National - Dublin, Washington, D.C. Reagan-National - Shannon or Washington, D.C. Reagan-National - Cork when deciding on the best route from Washington, D.C. Reagan-National Airport to Ireland.

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

American Airlines, JetBlue and Delta are the most popular airlines when flying from Washington, D.C. Reagan-National Airport to Ireland.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Ireland?

To save up to 59% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Reagan-National Airport to Ireland from $606 1-2 weeks out and tickets from $867 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Ireland?

The best pricing can be found in the month of January. Prices to Ireland from Washington, D.C. Reagan-National Airport average $666. You can even find prices in January for less than $666, as users have found deals to Ireland from as low as $294. The month of June appears to be one of the more expensive times to travel to Ireland from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 30%.

Can I find deals for flights from Reagan-National to Ireland that include hotel bookings?

Yes. In addition to deals on Reagan-National to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Ireland?

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

Can I find deals for business class flights from Reagan-National to Ireland?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$669+ Flights from Washington, D.C. Reagan-National Airport to Ireland

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Cheap flight deals from Reagan-National to Ireland

Round-trip from	$482 (JetBlue)
One-way from	$338 (JetBlue)
Popular in	June
Cheapest in	January
Average price	$868

From Washington, D.C. Reagan-National to Ireland

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One-way flight from Washington, D.C. Reagan-National to Ireland

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($110 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Reagan-National to Ireland

Cheapest flights from Reagan-National to Ireland
Explore the most affordable flight options available from Reagan-National to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Mon 7/283:45 pmDCA - DUB

1 stop12h 15mJetBlue

Wed 8/610:40 amDUB - DCA

1 stop13h 19mJetBlue

Deal found 6/10

$482

Sun 7/136:59 amDCA - DUB

1 stop20h 16mAir Canada

Tue 7/229:20 amDUB - DCA

1 stop29h 58mAir Canada

Deal found 6/11

$526

Wed 7/96:00 amDCA - DUB

1 stop20h 45mUnited Airlines

Thu 7/179:20 amDUB - DCA

1 stop11h 28mUnited Airlines

Deal found 6/12

$538

Sat 8/3012:55 pmDCA - DUB

2 stops16h 05mMultiple Airlines

Tue 9/1611:30 amDUB - DCA

2 stops15h 21mMultiple Airlines

Deal found 6/11

$545

Sun 7/64:56 pmDCA - SNN

1 stop13h 14mKLM

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mKLM

Deal found 6/10

$555

Tue 7/11:25 pmDCA - DUB

1 stop16h 20mDelta

Tue 7/2210:00 amDUB - DCA

2 stops13h 56mDelta

Deal found 6/12

$568

Sun 7/63:40 pmDCA - SNN

2 stops14h 30mDelta

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mDelta

Deal found 6/10

$568

Sun 7/62:00 pmDCA - SNN

1 stop12h 30mUnited Airlines

Tue 7/2212:30 pmSNN - DCA

1 stop9h 59mUnited Airlines

Deal found 6/12

$571

Mon 8/255:30 pmDCA - SNN

2 stops12h 50mAmerican Airlines

Tue 9/27:40 amSNN - DCA

2 stops15h 58mAmerican Airlines

Deal found 6/10

$587

Wed 11/121:45 pmDCA - DUB

1 stop13h 00mKLM

Tue 11/189:45 amDUB - DCA

1 stop13h 15mKLM

Deal found 6/10

$600

Mon 8/411:00 amDCA - ORK

2 stops23h 00mDelta

Thu 8/143:45 pmORK - DCA

2 stops23h 29mDelta

Deal found 6/11

$621

Thu 9/412:15 pmDCA - DUB

2 stops18h 35mScandinavian Airlines

Sun 9/1410:15 amDUB - DCA

2 stops42h 14mScandinavian Airlines

Deal found 6/11

$639

Best flights from Reagan-National to Ireland
Discover carefully curated flight deals from Reagan-National to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Mon 7/283:45 pmDCA - DUB

1 stop12h 15mJetBlue

Wed 8/610:40 amDUB - DCA

1 stop13h 19mJetBlue

Deal found 6/10

$482

Wed 12/34:45 pmDCA - DUB

1 stop10h 55mMultiple Airlines

Wed 12/1011:30 amDUB - DCA

1 stop10h 19mMultiple Airlines

Deal found 6/12

$483

Sun 7/136:59 amDCA - DUB

1 stop20h 16mAir Canada

Tue 7/229:20 amDUB - DCA

1 stop29h 58mAir Canada

Deal found 6/11

$526

Wed 7/96:00 amDCA - DUB

1 stop20h 45mUnited Airlines

Thu 7/179:20 amDUB - DCA

1 stop11h 28mUnited Airlines

Deal found 6/12

$538

Sun 7/64:56 pmDCA - SNN

1 stop13h 14mKLM

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mKLM

Deal found 6/10

$555

Tue 7/12:55 pmDCA - DUB

1 stop14h 50mDelta

Tue 7/2210:00 amDUB - DCA

2 stops16h 44mDelta

Deal found 6/11

$568

Mon 8/255:30 pmDCA - SNN

2 stops12h 50mAmerican Airlines

Tue 9/27:40 amSNN - DCA

2 stops15h 58mAmerican Airlines

Deal found 6/10

$587

Thu 9/412:15 pmDCA - DUB

2 stops18h 35mScandinavian Airlines

Sun 9/1410:15 amDUB - DCA

2 stops42h 14mScandinavian Airlines

Deal found 6/11

$639

Sun 7/2712:00 pmDCA - SNN

1 stop14h 30mBrussels Airlines

Sun 8/312:30 pmSNN - DCA

1 stop26h 57mBrussels Airlines

Deal found 6/12

$723

Wed 8/65:35 pmDCA - ORK

2 stops25h 10mBritish Airways

Fri 8/157:20 amORK - DCA

2 stops16h 18mBritish Airways

Deal found 6/11

$827

Sat 7/261:41 pmDCA - SNN

2 stops16h 29mAir France

Sat 8/21:05 pmSNN - DCA

1 stop10h 09mAir France

Deal found 6/11

$840

Sun 7/63:40 pmDCA - SNN

2 stops14h 30mDelta

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mDelta

Deal found 6/10

$568

Last-minute flights from Reagan-National to Ireland
Discover last-minute flight deals from Reagan-National to Ireland. Data last updated June 12, 2025 and is based on user searches.

Tue 6/1710:30 amDCA - DUB

1 stop18h 15mUnited Airlines

Tue 6/249:20 amDUB - DCA

1 stop17h 28mUnited Airlines

Deal found 6/10

$704

Wed 6/1812:24 pmDCA - DUB

1 stop16h 36mDelta

Wed 7/211:00 amDUB - DCA

1 stop12h 34mDelta

Deal found 6/10

$726

Wed 6/188:25 amDCA - DUB

2 stops23h 50mIcelandair

Wed 6/2512:15 pmDUB - DCA

2 stops24h 23mIcelandair

Deal found 6/10

$1,324

Thu 6/191:45 pmDCA - DUB

1 stop14h 00mKLM

Mon 6/3010:00 amDUB - DCA

1 stop11h 32mKLM

Deal found 6/10

$1,184

Thu 6/193:35 pmDCA - DUB

2 stops27h 30mTAP AIR PORTUGAL

Mon 6/305:30 amDUB - DCA

2 stops31h 52mTAP AIR PORTUGAL

Deal found 6/11

$1,490

Fri 6/203:35 pmDCA - DUB

1 stop12h 25mJetBlue

Wed 7/211:30 amDUB - DCA

1 stop16h 29mJetBlue

Deal found 6/10

$878

Sat 6/218:40 pmDCA - DUB

2 stops30h 45mMultiple Airlines

Wed 6/2510:20 amDUB - DCA

2 stops27h 32mMultiple Airlines

Deal found 6/10

$632

Sat 6/216:25 amDCA - SNN

1 stop20h 05mUnited Airlines

Sat 6/2812:30 pmSNN - DCA

1 stop11h 39mUnited Airlines

Deal found 6/12

$865

Sat 6/217:59 pmDCA - ORK

2 stops33h 46mBritish Airways

Sat 6/288:30 pmORK - DCA

2 stops29h 13mBritish Airways

Deal found 6/10

$1,236

Sat 6/212:54 pmDCA - SNN

2 stops15h 26mBritish Airways

Sat 6/285:30 pmSNN - DCA

2 stops28h 00mBritish Airways

Deal found 6/10

$1,408

Sun 6/229:40 amDCA - DUB

1 stop17h 05mAir Canada

Tue 7/19:20 amDUB - DCA

1 stop17h 28mAir Canada

Deal found 6/11

$700

Sun 6/226:00 amDCA - ORK

3 stops36h 59mMultiple Airlines

Sat 6/287:30 amORK - DCA

3 stops33h 33mMultiple Airlines

Deal found 6/10

$1,035

One-way flights from Reagan-National to Ireland
Search for one-way flight options from Reagan-National to Ireland. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Wed 7/306:00 pmDCA - DUB

1 stop10h 00mJetBlue

Deal found 6/11

$338

Sat 6/218:40 pmDCA - DUB

1 stop9h 50mMultiple Airlines

Deal found 6/10

$344

Sat 9/610:17 amDCA - DUB

2 stops18h 08mScandinavian Airlines

Deal found 6/11

$394

Tue 7/229:40 amDCA - KIR

3 stops26h 20mMultiple Airlines

Deal found 6/11

$412

Wed 9/176:00 amDCA - DUB

1 stop20h 45mUnited Airlines

Deal found 6/11

$441

Tue 7/110:30 amDCA - SNN

1 stop16h 00mUnited Airlines

Deal found 6/10

$446

Sun 7/2011:00 amDCA - SNN

1 stop19h 10mDelta

Deal found 6/10

$447

Thu 8/78:00 amDCA - DUB

2 stops22h 05mIcelandair

Deal found 6/12

$450

Sat 7/197:00 amDCA - SNN

3 stops30h 00mMultiple Airlines

Deal found 6/10

$464

Sun 7/2711:00 amDCA - DUB

2 stops15h 45mAir Canada

Deal found 6/12

$467

Wed 6/256:06 amDCA - DUB

3 stops21h 19mWestJet

Deal found 6/11

$470

Mon 7/281:25 pmDCA - DUB

2 stops38h 45mIberia

Deal found 6/9

$471

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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

Mon 7/28

3:45 pm-9:00 am

1 stop12h 15m

Dublin

Wed 8/6

10:40 am-6:59 pm

1 stop13h 19m

$482

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 7/13

6:59 am-8:15 am

1 stop20h 16m

Dublin

Tue 7/22

9:20 am-10:18 am

1 stop29h 58m

$526

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 7/9

6:00 am-7:45 am

1 stop20h 45m

Dublin

Thu 7/17

9:20 am-3:48 pm

1 stop11h 28m

$538

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sat 8/30

12:55 pm-10:00 am

2 stops16h 05m

Dublin

Tue 9/16

11:30 am-9:51 pm

2 stops15h 21m

$545

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/6

4:56 pm-11:10 am

1 stop13h 14m

Shannon

Tue 7/22

1:05 pm-11:42 pm

2 stops15h 37m

$555

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 7/1

1:25 pm-10:45 am

1 stop16h 20m

Dublin

Tue 7/22

10:00 am-6:56 pm

2 stops13h 56m

$568

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/6

3:40 pm-11:10 am

2 stops14h 30m

Shannon

Tue 7/22

1:05 pm-11:42 pm

2 stops15h 37m

$568

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/6

2:00 pm-7:30 am

1 stop12h 30m

Shannon

Tue 7/22

12:30 pm-5:29 pm

1 stop9h 59m

$571

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/25

5:30 pm-11:20 am

2 stops12h 50m

Shannon

Tue 9/2

7:40 am-6:38 pm

2 stops15h 58m

$587

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 11/12

1:45 pm-7:45 am

1 stop13h 00m

Dublin

Tue 11/18

9:45 am-6:00 pm

1 stop13h 15m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 42 results

...

Best time to book a flight from Reagan-National to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Reagan-National 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. Reagan-National Airport to Ireland

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ireland (average of $509). Flying from Washington, D.C. Reagan-National Airport to Ireland in June 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 DCA to IE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Ireland as you normally would.

Rainfall in Ireland by month

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.

Temperature in Ireland by month

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).

Reviews of airlines servicing Ireland

To help decide which airline to fly from Washington, D.C. to Ireland, see what other customers have to say about Delta, KLM and Air France. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,463 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Brussels Airlines

7.4

Good

355 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Ireland one-way?
The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $338. However, be on the lookout for offers from Scandinavian Airlines and United Airlines, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Ireland for a low price.
What are the most popular routes from Washington, D.C. Reagan-National Airport to Ireland?
Most travelers choose Washington, D.C. Reagan-National - Dublin, Washington, D.C. Reagan-National - Shannon or Washington, D.C. Reagan-National - Cork when deciding on the best route from Washington, D.C. Reagan-National Airport to Ireland.
Can I find deals for flights from Reagan-National to Ireland that include hotel bookings?
Yes. In addition to deals on Reagan-National to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Ireland.
Can I find deals for business class flights from Reagan-National to Ireland?
Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Ireland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ireland (average of $509). Flying from Washington, D.C. Reagan-National Airport to Ireland in June 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Reagan-National to Ireland

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Baltimore to Luton flights

Top 5 airlines flying from Reagan-National to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$457	Average$668	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$496	Average$821	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$526	Average$673	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$560	Average$915	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$703	Average$1,086	FlexibilityNo cancel fee	On-timeN/A

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$338+ Cheap flights from Reagan-National (DCA) 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Ireland with Cheapflights

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Cheap flight deals from Reagan-National to Ireland

Keep the following information in mind while searching for Reagan-National to Ireland flight deals. Data was last updated June 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Ireland

Cheapest flights from Reagan-National to IrelandExplore the most affordable flight options available from Reagan-National to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Reagan-National to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Reagan-National to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Ireland

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

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

Find hourly flight availability from Reagan-National 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 June 12, 2025.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Ireland

To help decide which airline to fly from Washington, D.C. to Ireland, see what other customers have to say about Delta, KLM and Air France. 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 Reagan-National to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the most popular routes from Washington, D.C. Reagan-National Airport to Ireland?

Can I find deals for flights from Reagan-National to Ireland that include hotel bookings?

How can I find direct flights from Reagan-National to Ireland?

Can I find deals for business class flights from Reagan-National to Ireland?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Reagan-National to Ireland

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Cheapest flights from Reagan-National to Ireland
Explore the most affordable flight options available from Reagan-National to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.