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 $300. However, be on the lookout for offers from United Airlines and Scandinavian Airlines, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Ireland for a low price.

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. 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 55% 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 $592 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 $660. You can even find prices in January for less than $660, as users have found deals to Ireland from as low as $283. 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 26%.

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.

$295+ 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	$470 (Air Canada)
One-way from	$295 (Mytrip)
Popular in	June
Cheapest in	January
Average price	$752

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

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

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Highest demand for flights based on searches. 13% potential increase in price ($99 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 30, 2025.

Sun 8/106:59 amDCA - DUB

2 stops19h 46mAir Canada

Tue 8/269:50 amDUB - DCA

1 stop28h 07mAir Canada

Deal found 7/30

$470

Mon 9/85:42 pmDCA - DUB

1 stop9h 38mJetBlue

Mon 9/1510:40 amDUB - DCA

1 stop11h 25mJetBlue

Deal found 7/28

$476

Mon 8/115:00 pmDCA - DUB

1 stop11h 45mUnited Airlines

Wed 8/2011:35 amDUB - DCA

1 stop12h 28mUnited Airlines

Deal found 7/28

$478

Sun 8/104:51 pmDCA - SNN

1 stop13h 19mKLM

Tue 8/191:05 pmSNN - DCA

1 stop15h 36mKLM

Deal found 7/28

$487

Tue 8/52:53 pmDCA - DUB

1 stop12h 02mDelta

Tue 8/193:00 pmDUB - DCA

1 stop13h 53mDelta

Deal found 7/28

$488

Mon 8/111:40 pmDCA - SNN

1 stop16h 30mDelta

Thu 8/211:05 pmSNN - DCA

2 stops15h 41mDelta

Deal found 7/28

$492

Mon 8/115:30 pmDCA - DUB

1 stop11h 30mAir France

Wed 8/209:10 amDUB - DCA

2 stops16h 37mAir France

Deal found 7/28

$495

Wed 10/1511:00 amDCA - DUB

2 stops20h 10mMultiple Airlines

Wed 10/226:20 amDUB - DCA

2 stops20h 31mMultiple Airlines

Deal found 7/28

$504

Wed 8/62:00 pmDCA - SNN

1 stop12h 30mUnited Airlines

Thu 8/149:30 amSNN - DCA

1 stop14h 32mUnited Airlines

Deal found 7/28

$526

Tue 8/265:30 pmDCA - SNN

2 stops12h 50mAmerican Airlines

Tue 9/27:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 7/29

$538

Sun 8/102:54 pmDCA - DUB

2 stops13h 46mBritish Airways

Tue 8/2610:25 amDUB - DCA

2 stops14h 34mBritish Airways

Deal found 7/30

$543

Thu 9/117:30 pmDCA - SNN

2 stops34h 40mMultiple Airlines

Thu 9/181:05 pmSNN - DCA

2 stops14h 37mMultiple Airlines

Deal found 7/28

$566

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 July 30, 2025.

Sun 8/106:59 amDCA - DUB

2 stops19h 46mAir Canada

Tue 8/269:50 amDUB - DCA

1 stop28h 07mAir Canada

Deal found 7/30

$470

Mon 9/85:42 pmDCA - DUB

1 stop9h 38mJetBlue

Mon 9/1510:40 amDUB - DCA

1 stop11h 25mJetBlue

Deal found 7/28

$476

Mon 8/115:00 pmDCA - DUB

1 stop11h 45mUnited Airlines

Wed 8/2011:35 amDUB - DCA

1 stop12h 28mUnited Airlines

Deal found 7/28

$478

Sun 8/105:50 pmDCA - SNN

1 stop12h 20mDelta

Tue 8/191:05 pmSNN - DCA

1 stop14h 51mDelta

Deal found 7/28

$487

Mon 8/115:00 pmDCA - SNN

1 stop13h 10mMultiple Airlines

Tue 8/191:05 pmSNN - DCA

2 stops14h 54mMultiple Airlines

Deal found 7/28

$492

Mon 8/115:30 pmDCA - DUB

1 stop11h 30mAir France

Wed 8/209:10 amDUB - DCA

2 stops16h 37mAir France

Deal found 7/28

$495

Tue 8/265:30 pmDCA - SNN

2 stops12h 50mAmerican Airlines

Tue 9/27:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 7/29

$538

Sun 8/102:54 pmDCA - DUB

2 stops13h 46mBritish Airways

Tue 8/2610:25 amDUB - DCA

2 stops14h 34mBritish Airways

Deal found 7/30

$543

Thu 9/117:30 pmDCA - SNN

2 stops34h 40mKLM

Thu 9/181:05 pmSNN - DCA

1 stop15h 36mKLM

Deal found 7/28

$566

Sun 8/105:28 pmDCA - DUB

1 stop11h 32mDelta

Tue 8/1910:00 amDUB - DCA

1 stop13h 52mDelta

Deal found 7/28

$488

Wed 10/1511:00 amDCA - DUB

2 stops20h 10mMultiple Airlines

Wed 10/226:20 amDUB - DCA

2 stops20h 31mMultiple Airlines

Deal found 7/28

$504

Wed 8/2712:00 pmDCA - SNN

1 stop14h 30mUnited Airlines

Wed 9/312:30 pmSNN - DCA

1 stop11h 35mUnited Airlines

Deal found 7/28

$526

Last-minute flights from Reagan-National to Ireland
Discover last-minute flight deals from Reagan-National to Ireland. Data last updated July 30, 2025 and is based on user searches.

Mon 8/44:50 pmDCA - DUB

2 stops21h 45mBritish Airways

Fri 8/158:35 amDUB - DCA

2 stops19h 43mBritish Airways

Deal found 7/28

$554

Tue 8/52:53 pmDCA - DUB

1 stop12h 02mDelta

Tue 8/193:00 pmDUB - DCA

1 stop13h 53mDelta

Deal found 7/28

$488

Tue 8/54:45 pmDCA - DUB

1 stop13h 00mKLM

Tue 8/193:00 pmDUB - DCA

1 stop12h 12mKLM

Deal found 7/28

$547

Tue 8/56:30 amDCA - DUB

1 stop20h 50mJetBlue

Tue 8/1210:40 amDUB - DCA

1 stop26h 23mJetBlue

Deal found 7/29

$599

Tue 8/51:35 pmDCA - DUB

1 stop10h 55mAmerican Airlines

Fri 8/151:45 pmDUB - DCA

1 stop11h 31mAmerican Airlines

Deal found 7/29

$618

Tue 8/54:50 pmDCA - SNN

2 stops13h 30mAmerican Airlines

Thu 8/147:40 amSNN - DCA

2 stops16h 07mAmerican Airlines

Deal found 7/29

$661

Tue 8/54:51 pmDCA - SNN

1 stop13h 19mKLM

Fri 8/151:05 pmSNN - DCA

1 stop15h 36mKLM

Deal found 7/29

$684

Wed 8/64:30 pmDCA - DUB

1 stop10h 15mUnited Airlines

Fri 8/229:20 amDUB - DCA

1 stop11h 02mUnited Airlines

Deal found 7/28

$483

Wed 8/612:55 pmDCA - DUB

2 stops13h 50mAir Canada

Thu 8/149:20 amDUB - DCA

1 stop17h 28mAir Canada

Deal found 7/30

$500

Wed 8/63:30 pmDCA - SNN

1 stop11h 00mUnited Airlines

Fri 8/159:30 amSNN - DCA

1 stop12h 31mUnited Airlines

Deal found 7/28

$526

Sat 8/95:50 pmDCA - SNN

1 stop12h 20mDelta

Thu 8/211:05 pmSNN - DCA

1 stop32h 15mDelta

Deal found 7/28

$537

Sat 8/95:34 pmDCA - SNN

2 stops22h 01mBritish Airways

Mon 8/189:15 pmSNN - DCA

2 stops23h 40mBritish Airways

Deal found 7/29

$822

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 July 30, 2025.

Mon 9/156:45 pmDCA - DUB

1 stop11h 45mMultiple Airlines

Deal found 7/29

$295

Mon 10/205:20 pmDCA - DUB

1 stop10h 00mJetBlue

Deal found 7/29

$300

Wed 9/1011:00 amDCA - ORK

2 stops30h 45mMultiple Airlines

Deal found 7/30

$380

Sat 9/610:17 amDCA - DUB

2 stops18h 08mScandinavian Airlines

Deal found 7/29

$398

Tue 9/28:00 pmDCA - DUB

2 stops30h 45mUnited Airlines

Deal found 7/30

$399

Mon 10/274:10 pmDCA - DUB

2 stops34h 00mAir Canada

Deal found 7/28

$401

Tue 9/236:59 amDCA - SNN

2 stops32h 21mMultiple Airlines

Deal found 7/28

$417

Mon 11/101:45 pmDCA - DUB

1 stop13h 55mAmerican Airlines

Deal found 7/29

$419

Mon 11/36:10 amDCA - DUB

2 stops20h 45mBritish Airways

Deal found 7/29

$420

Tue 8/52:54 pmDCA - SNN

2 stops15h 26mAmerican Airlines

Deal found 7/29

$445

Tue 9/237:25 amDCA - SNN

1 stop19h 05mUnited Airlines

Deal found 7/28

$446

Tue 8/54:51 pmDCA - SNN

1 stop13h 19mKLM

Deal found 7/29

$447

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

Sun 8/10

6:59 am-7:45 am

2 stops19h 46m

Dublin

Tue 8/26

9:50 am-8:57 am

1 stop28h 07m

$470

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 9/8

5:42 pm-8:20 am

1 stop9h 38m

Dublin

Mon 9/15

10:40 am-5:05 pm

1 stop11h 25m

$476

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 8/11

5:00 pm-9:45 am

1 stop11h 45m

Dublin

Wed 8/20

11:35 am-7:03 pm

1 stop12h 28m

$478

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 8/10

5:50 pm-11:10 am

1 stop12h 20m

Shannon

Tue 8/19

1:05 pm-10:56 pm

1 stop14h 51m

$487

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 8/10

5:28 pm-10:00 am

1 stop11h 32m

Dublin

Tue 8/19

10:00 am-6:52 pm

1 stop13h 52m

$488

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/11

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Tue 8/19

1:05 pm-10:59 pm

2 stops14h 54m

$492

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 8/11

5:30 pm-10:00 am

1 stop11h 30m

Dublin

Wed 8/20

9:10 am-8:47 pm

2 stops16h 37m

$495

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 10/15

11:00 am-12:10 pm

2 stops20h 10m

Dublin

Wed 10/22

6:20 am-9:51 pm

2 stops20h 31m

$504

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/27

12:00 pm-7:30 am

1 stop14h 30m

Shannon

Wed 9/3

12:30 pm-7:05 pm

1 stop11h 35m

$526

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 8/26

5:30 pm-11:20 am

2 stops12h 50m

Shannon

Tue 9/2

7:40 am-7:59 pm

2 stops17h 19m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 33 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 $924). 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.

Reviews of airlines servicing Ireland

Read reviews from past customers who have flown Delta, KLM, and United Airlines from Washington, D.C. Reagan-National Airport to Ireland. 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.

Delta

8.0

Very good

7,980 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

7,980 reviews

Delta

8.0

Very good

7,980 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

1,383 reviews

Delta

8.0

Very good

7,980 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

8,896 reviews

Delta

8.0

Very good

7,980 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!

Scandinavian Airlines

7.3

Good

1,453 reviews

Delta

8.0

Very good

7,980 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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 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 $300. However, be on the lookout for offers from United Airlines and Scandinavian 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 $924). 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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Reagan-National to Athens flights

Baltimore to Amsterdam flights

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Baltimore to Athens flights

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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$683	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$560	Average$938	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$703	Average$1,086	FlexibilityNo cancel fee	On-timeN/A

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$295+ 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 9/15. 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 Reagan-National to Ireland

Keep the following information in mind while searching for Reagan-National to Ireland flight deals. Data was last updated July 30, 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 July 30, 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 July 30, 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 July 30, 2025.

Reviews of airlines servicing Ireland

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 July 30, 2025.