Dublin

$263+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DUB
Mar 31 — Apr 71
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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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(JetBlue)

One-way from

$270
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$837
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. 13% potential increase in price ($124 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 March 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 March 26, 2025.

This JetBlue deal was found by Cheapflights users on 3/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2211:39 amDCA - DUB
1 stop15h 41mJetBlue
Sun 5/411:30 amDUB - DCA
1 stop16h 29mJetBlue
Deal found 3/25$525
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2711:00 amDCA - DUB
1 stop18h 00mMultiple Airlines
Thu 6/1211:30 amDUB - DCA
1 stop13h 23mMultiple Airlines
Deal found 3/25$567
This oojo deal was found by Cheapflights users on 3/25. 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.
Sun 5/46:25 amDCA - DUB
2 stops24h 25mScandinavian Airlines
Mon 5/1212:40 pmDUB - DCA
2 stops39h 05mScandinavian Airlines
Deal found 3/25$594
This United deal was found by Cheapflights users on 3/25. 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 4/16:20 amDCA - DUB
1 stop22h 25mUnited Airlines
Tue 4/89:50 amDUB - DCA
2 stops31h 11mUnited Airlines
Deal found 3/25$616
This Priceline deal was found by Cheapflights users on 3/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:55 pmDCA - DUB
2 stops14h 20mAir Canada
Tue 4/89:50 amDUB - DCA
1 stop17h 38mAir Canada
Deal found 3/25$630
This KLM deal was found by Cheapflights users on 3/25. 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.
Tue 10/283:30 pmDCA - DUB
1 stop13h 50mKLM
Tue 11/49:45 amDUB - DCA
1 stop13h 19mKLM
Deal found 3/25$639
This Delta deal was found by Cheapflights users on 3/26. 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 4/13:59 pmDCA - DUB
1 stop11h 46mDelta
Tue 4/81:15 pmDUB - DCA
1 stop14h 27mDelta
Deal found 3/26$642
This StudentUniverse deal was found by Cheapflights users on 3/25. 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.
Wed 4/26:00 amDCA - DUB
2 stops20h 45mBritish Airways
Mon 4/78:55 pmDUB - DCA
2 stops24h 01mBritish Airways
Deal found 3/25$693
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:35 amDCA - DUB
1 stop13h 55mAmerican Airlines
Sat 11/111:30 amDUB - DCA
1 stop9h 42mAmerican Airlines
Deal found 3/25$739
This oojo deal was found by Cheapflights users on 3/24. 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 10/88:30 amDCA - DUB
2 stops23h 45mIcelandair
Wed 10/1512:15 pmDUB - DCA
2 stops26h 29mIcelandair
Deal found 3/24$743

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 March 26, 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

Tue 4/22

11:39 am-8:20 am

1 stop15h 41m

Dublin

Sun 5/4

11:30 am-10:59 pm

1 stop16h 29m

$525

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 5/27

11:00 am-10:00 am

1 stop18h 00m

Dublin

Thu 6/12

11:30 am-7:53 pm

1 stop13h 23m

$567

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 5/4

6:25 am-11:50 am

2 stops24h 25m

Dublin

Mon 5/12

12:40 pm-10:45 pm

2 stops39h 05m

$594

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 5/12

3:20 pm-7:20 am

1 stop11h 00m

Dublin

Thu 6/5

9:20 am-10:27 am

2 stops30h 07m

$636

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 4/7

11:00 am-8:15 am

2 stops16h 15m

Dublin

Thu 5/15

9:50 am-10:28 pm

1 stop17h 38m

$657

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 5/19

5:00 pm-9:15 am

1 stop11h 15m

Dublin

Tue 5/27

11:00 am-6:22 pm

1 stop12h 22m

$670

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 5/7

5:49 pm-11:55 am

2 stops13h 06m

Dublin

Fri 5/16

12:45 pm-10:36 pm

2 stops14h 51m

$711

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 9/9

1:45 pm-8:45 am

1 stop14h 00m

Dublin

Thu 9/18

1:15 pm-11:25 pm

2 stops15h 10m

$726

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 9/10

1:45 pm-1:15 pm

2 stops18h 30m

Dublin

Wed 9/17

12:15 pm-8:09 am

2 stops24h 54m

$765

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 6/16

8:40 pm-10:00 am

1 stop32h 20m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 20 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Dublin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Dublin. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Dublin, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $1,010). 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 March 26, 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 March 26, 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 United Airlines. 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

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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 $525. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $594, and United Airlines, from $616. You may be able to fly from Washington, D.C. Reagan-National Airport to Dublin for 33% 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 JetBlue. According to our data, you can fly for as low as $443. Users have also found prices from $479 and $480 on Scandinavian Airlines and WestJet, 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 $1,010). 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$478Average$757FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$512Average$830FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$577Average$772FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$597Average$901FlexibilityNo cancel feeOn-time71%
DeltaCheapest$617Average$1,050FlexibilityNo cancel feeOn-timeN/A
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