Dublin

$405+ Cheap flights from Reagan-National (DCA) to Dublin (DUB)

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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DUB
Apr 20 — Apr 271
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Cheap flight deals from Reagan-National to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$527
(JetBlue Airways)

One-way from

$405
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$877
Provider with most accurate pricing for Washington, D.C. Reagan-National-Dublin flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Dublin flights.
From Washington, D.C. Reagan-National to Dublin
One-way flight from Washington, D.C. Reagan-National to Dublin
Highest demand for flights based on searches. 14% potential increase in price ($135 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Reagan-National to Dublin

Cheapest flights from Reagan-National to Dublin
Explore the most affordable flight options available from Reagan-National to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This JetBlue Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:45 amDCA - DUB
1 stop15h 35mJetBlue
Sun 5/1111:30 amDUB - DCA
1 stop16h 28mJetBlue
Deal found 4/15$527
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:00 pmDCA - DUB
1 stop11h 10mUnited Airlines
Tue 9/99:20 amDUB - DCA
1 stop16h 46mUnited Airlines
Deal found 4/15$565
This United deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/510:10 amDCA - DUB
1 stop16h 10mMultiple Airlines
Wed 8/139:50 amDUB - DCA
1 stop14h 52mMultiple Airlines
Deal found 4/14$572
This Air Canada deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/512:55 pmDCA - DUB
2 stops14h 20mAir Canada
Wed 8/139:50 amDUB - DCA
1 stop13h 12mAir Canada
Deal found 4/14$573
This StudentUniverse deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amDCA - DUB
2 stops20h 45mBritish Airways
Mon 6/168:55 pmDUB - DCA
2 stops24h 35mBritish Airways
Deal found 4/14$576
This Aeromexico deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:00 pmDCA - DUB
1 stop10h 45mAir France
Mon 11/174:40 pmDUB - DCA
2 stops34h 39mAir France
Deal found 4/14$606
This StudentUniverse deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:49 pmDCA - DUB
2 stops18h 26mFinnair
Thu 5/299:45 amDUB - DCA
2 stops17h 51mFinnair
Deal found 4/14$646
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/153:10 pmDCA - DUB
1 stop11h 45mDelta
Tue 7/293:00 pmDUB - DCA
1 stop13h 28mDelta
Deal found 4/14$657
This KLM deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/291:53 pmDCA - DUB
1 stop13h 52mKLM
Thu 6/510:00 amDUB - DCA
1 stop10h 59mKLM
Deal found 4/14$695
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:45 pmDCA - DUB
2 stops18h 30mIcelandair
Wed 10/1512:15 pmDUB - DCA
2 stops32h 58mIcelandair
Deal found 4/14$752

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Dublin that are best for you.

Fly from

Reagan-National

Fly to

Dublin

Route

Depart

Return

Price

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 4/30

11:45 am-8:20 am

1 stop15h 35m

Dublin

Sun 5/11

11:30 am-10:58 pm

1 stop16h 28m

$527

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 8/5

7:00 pm-11:10 am

1 stop11h 10m

Dublin

Tue 9/9

9:20 am-9:06 pm

1 stop16h 46m

$565

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 8/5

12:55 pm-8:15 am

2 stops14h 20m

Dublin

Wed 8/13

9:50 am-6:02 pm

1 stop13h 12m

$573

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 6/12

6:00 am-7:45 am

2 stops20h 45m

Dublin

Mon 6/16

8:55 pm-4:30 pm

2 stops24h 35m

$576

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 5/5

12:55 pm-8:15 am

2 stops14h 20m

Dublin

Fri 5/16

8:45 am-7:43 pm

2 stops15h 58m

$592

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 5/19

5:49 pm-5:15 pm

2 stops18h 26m

Dublin

Thu 5/29

9:45 am-10:36 pm

2 stops17h 51m

$646

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 7/15

3:10 pm-7:55 am

1 stop11h 45m

Dublin

Tue 7/29

3:00 pm-11:28 pm

1 stop13h 28m

$657

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 5/29

1:53 pm-8:45 am

1 stop13h 52m

Dublin

Thu 6/5

10:00 am-3:59 pm

1 stop10h 59m

$695

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 10/8

1:45 pm-1:15 pm

2 stops18h 30m

Dublin

Wed 10/15

12:15 pm-4:13 pm

2 stops32h 58m

$752

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sat 6/21

7:00 am-2:00 pm

3 stops26h 00m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 17 results
1
2

Compare providers for flights from Reagan-National to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Dublin in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Dublin flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Dublin flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Dublin flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Dublin (average of $509). Flying from Washington, D.C. Reagan-National Airport to Dublin in June is currently the most expensive (average of $1,006). 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 DUB?

Find hourly flight availability from Reagan-National to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Dublin in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Dublin flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Dublin by month

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

In terms of precipitation, rainfall in Dublin 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 Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

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

If weather is an important factor for your trip to Dublin, 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 Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated April 15, 2025.
To help decide which airline to fly from Washington, D.C. to Dublin, see what other customers have to say about Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Dublin from Washington, D.C. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to Dublin, you will be flying into Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 5 airlines have flights to Dublin from Washington, D.C. Reagan-National on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Dublin round-trip?

    Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Dublin round-trip from $527. Other airlines that can offer you cheap pricing are Air Canada, from $574, and British Airways, from $576. You may be able to fly from Washington, D.C. Reagan-National Airport to Dublin for 32% less than the average price by searching for these airlines.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $439. Users have also found prices from $441 and $443 on Air Canada and JetBlue, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Dublin 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 Dublin?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Dublin (average of $509). Flying from Washington, D.C. Reagan-National Airport to Dublin in June is currently the most expensive (average of $1,006). 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top 5 airlines flying from Reagan-National to Dublin

Discover the top 5 airlines that operate flights from Reagan-National to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$478Average$757FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$512Average$830FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$577Average$752FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$597Average$905FlexibilityNo cancel feeOn-time71%
DeltaCheapest$703Average$1,050FlexibilityNo cancel feeOn-timeN/A

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