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$374+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DUB
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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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 January 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$468
(Finnair)

One-way from

$374
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$616
Provider with most accurate pricing for Washington, D.C. Reagan-National-Dublin flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Dublin flights.
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From Washington, D.C. Reagan-National to Dublin
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One-way flight from Washington, D.C. Reagan-National to Dublin
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High demand for flights, 17% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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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 January 20, 2025.

This Finnair deal was found by Cheapflights users on 1/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:59 pmDCA - DUB
2 stops18h 21mFinnair
Thu 4/39:40 amDUB - DCA
2 stops18h 25mFinnair
Deal found 1/19$468
This KLM deal was found by Cheapflights users on 1/19. 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.
Sun 1/2611:35 amDCA - DUB
1 stop16h 10mKLM
Tue 2/410:45 amDUB - DCA
1 stop12h 15mKLM
Deal found 1/19$481
This Iberia deal was found by Cheapflights users on 1/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/265:49 pmDCA - DUB
2 stops13h 21mMultiple Airlines
Tue 2/1110:55 amDUB - DCA
2 stops16h 46mMultiple Airlines
Deal found 1/19$483
This Delta deal was found by Cheapflights users on 1/19. 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.
Mon 3/2412:10 pmDCA - DUB
1 stop16h 15mDelta
Tue 4/112:00 pmDUB - DCA
1 stop15h 01mDelta
Deal found 1/19$494
This JetBlue deal was found by Cheapflights users on 1/19. 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.
Sat 10/116:00 pmDCA - DUB
1 stop9h 20mJetBlue
Thu 10/1611:50 amDUB - DCA
1 stop15h 10mJetBlue
Deal found 1/19$509
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/177:05 pmDCA - DUB
2 stops17h 00mBritish Airways
Mon 2/248:30 pmDUB - DCA
2 stops26h 29mBritish Airways
Deal found 1/20$541
This Aeromexico deal was found by Cheapflights users on 1/19. 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.
Tue 3/1111:39 amDCA - DUB
1 stop17h 06mAir France
Tue 3/2512:00 pmDUB - DCA
1 stop12h 35mAir France
Deal found 1/19$542
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/32:59 pmDCA - DUB
2 stops12h 41mAmerican Airlines
Sun 2/92:05 pmDUB - DCA
2 stops13h 10mAmerican Airlines
Deal found 1/19$550
This Iberia deal was found by Cheapflights users on 1/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:34 pmDCA - DUB
2 stops14h 56mIberia
Thu 10/239:15 amDUB - DCA
2 stops18h 40mIberia
Deal found 1/20$602
This oojo deal was found by Cheapflights users on 1/19. 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.
Tue 4/14:23 pmDCA - DUB
2 stops13h 42mIcelandair
Tue 4/812:15 pmDUB - DCA
2 stops31h 45mIcelandair
Deal found 1/19$661
This United Airlines deal was found by Cheapflights users on 1/19. 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 11/183:00 pmDCA - DUB
1 stop11h 00mUnited Airlines
Wed 11/269:00 amDUB - DCA
1 stop28h 57mUnited Airlines
Deal found 1/19$725
This Air Canada deal was found by Cheapflights users on 1/19. 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 11/186:00 amDCA - DUB
2 stops20h 10mAir Canada
Wed 12/39:00 amDUB - DCA
2 stops30h 19mAir Canada
Deal found 1/19$727

Find flights from Reagan-National to Dublin within your budget

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 January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 3/26

6:59 pm-5:20 pm

2 stops18h 21m

Dublin

Thu 4/3

9:40 am-11:05 pm

2 stops18h 25m

$468

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 3/3

4:25 pm-8:45 am

1 stop11h 20m

Dublin

Tue 3/11

10:45 am-6:00 pm

1 stop11h 15m

$482

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 2/23

4:25 pm-8:45 am

1 stop11h 20m

Dublin

Wed 3/5

10:45 am-6:00 pm

1 stop12h 15m

$490

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 3/23

12:37 pm-10:15 am

2 stops17h 38m

Dublin

Tue 4/1

12:45 pm-11:05 pm

2 stops15h 20m

$510

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 2/3

12:59 pm-10:15 am

2 stops16h 16m

Dublin

Sun 2/9

10:55 am-10:41 pm

2 stops16h 46m

$538

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 2/17

7:05 pm-5:05 pm

2 stops17h 00m

Dublin

Mon 2/24

8:30 pm-5:59 pm

2 stops26h 29m

$541

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 3/11

11:39 am-8:45 am

1 stop17h 06m

Dublin

Tue 3/25

12:00 pm-8:35 pm

1 stop12h 35m

$542

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 2/3

2:59 pm-8:40 am

2 stops12h 41m

Dublin

Sun 2/9

2:05 pm-10:15 pm

2 stops13h 10m

$550

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 4/1

4:23 pm-11:05 am

2 stops13h 42m

Dublin

Tue 4/8

12:15 pm-3:00 pm

2 stops31h 45m

$661

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sat 2/15

6:59 am-7:10 am

1 stop19h 11m

Dublin

Sat 2/22

9:00 am-3:36 pm

2 stops35h 36m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 20 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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.

Travel insights for flights from Reagan-National to Dublin

Get recent, data-driven insights about flights from Reagan-National to Dublin including ideal travel times, pricing trends, and more.

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 January 17, 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 $1,016). 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 January 20, 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 January 20, 2025.
To help decide which airline to fly from Washington, D.C. to Dublin, see what other customers have to say about Delta, Air France 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.
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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. 6 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 $468. Other airlines that can offer you cheap pricing are KLM, from $481, and Delta, from $494. You may be able to fly from Washington, D.C. Reagan-National Airport to Dublin for 40% 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 American Airlines. According to our data, you can fly for as low as $399. Users have also found prices from $409 and $426 on Delta and British Airways, 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 $1,016). 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
Swords
Wicklow
Leixlip

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Top 6 airlines flying from Reagan-National to Dublin

Discover the top 6 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$271Average$386FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$478Average$749FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$512Average$807FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$577Average$874FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$597Average$889FlexibilityNo cancel feeOn-time71%
DeltaCheapest$617Average$1,088FlexibilityNo cancel feeOn-timeN/A
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