How long is the flight from Dublin to Washington, D.C. Reagan-National Airport?

A quick flight from Dublin to Washington, D.C. Reagan-National Airport can take about 14h 39m. American Airlines provides one of the quickest options available for as low as $525. Airlines will cover a distance of 3381 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Currently, February is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Reagan-National Airport (average of $278). Flying from Dublin to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

To save on the cost of your flight from Dublin to Washington, D.C. Reagan-National Airport, book at least 58 days before your planned departure. Booking around this time can save you about 84% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $536 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $625.

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

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Washington, D.C. Reagan-National Airport. Flights to Washington, D.C. Reagan-National Airport from Dublin in January are about $572 on average during January, but can be found for as low as $274.

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

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

What airport do you fly from for flights from Dublin to Washington, D.C. Reagan-National?

Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Dublin. Booking flights from Dublin (DUB) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 0 different airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Dublin to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$399+ Cheap Flights from Dublin to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Dublin to Reagan-National

Round-trip from	$524 (American Airlines)
One-way from	$399 (Kiwi.com)
Popular in	July
Cheapest in	October
Average price	$713

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

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

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Highest demand for flights based on searches. 8% potential increase in price ($55 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Dublin to Reagan-National

Cheapest flights from Dublin to Reagan-National
Explore the most affordable flight options available from Dublin to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Tue 12/1610:55 amDUB - DCA

2 stops16h 43mAmerican Airlines

Tue 1/62:54 pmDCA - DUB

2 stops13h 41mAmerican Airlines

Deal found 8/17

$524

Sat 12/1311:30 amDUB - DCA

1 stop10h 19mAmerican Airlines

Mon 1/56:29 pmDCA - DUB

2 stops13h 06mAmerican Airlines

Deal found 8/17

$525

Wed 12/175:55 amDUB - DCA

2 stops16h 32mDelta

Wed 1/75:00 pmDCA - DUB

1 stop10h 45mDelta

Deal found 8/17

$526

Wed 9/1710:55 amDUB - DCA

2 stops17h 12mBritish Airways

Tue 9/233:35 pmDCA - DUB

2 stops13h 15mBritish Airways

Deal found 8/16

$529

Tue 10/211:20 pmDUB - DCA

2 stops13h 47mDelta

Tue 10/284:50 pmDCA - DUB

1 stop12h 30mDelta

Deal found 8/18

$530

Tue 9/301:20 pmDUB - DCA

2 stops13h 51mDelta

Tue 10/71:15 pmDCA - DUB

2 stops14h 05mDelta

Deal found 8/16

$531

Wed 10/221:20 pmDUB - DCA

2 stops13h 47mDelta

Fri 10/316:45 pmDCA - DUB

2 stops13h 55mDelta

Deal found 8/18

$532

Thu 9/188:35 amDUB - DCA

2 stops16h 23mBritish Airways

Tue 9/231:39 pmDCA - DUB

2 stops15h 11mBritish Airways

Deal found 8/16

$533

Tue 11/1110:45 amDUB - DCA

1 stop12h 20mKLM

Sun 11/163:30 pmDCA - DUB

1 stop12h 50mKLM

Deal found 8/17

$534

Thu 9/410:00 amDUB - DCA

1 stop11h 33mAir France

Thu 9/116:45 pmDCA - DUB

1 stop11h 00mAir France

Deal found 8/16

$536

Tue 10/2111:00 amDUB - DCA

1 stop12h 33mMultiple Airlines

Tue 10/284:50 pmDCA - DUB

1 stop12h 30mMultiple Airlines

Deal found 8/17

$539

Wed 10/111:00 amDUB - DCA

1 stop13h 30mDelta

Wed 10/812:15 pmDCA - DUB

1 stop17h 30mDelta

Deal found 8/17

$540

Best flights from Dublin to Reagan-National
Discover carefully curated flight deals from Dublin to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Tue 12/1610:55 amDUB - DCA

2 stops16h 43mAmerican Airlines

Tue 1/62:54 pmDCA - DUB

2 stops13h 41mAmerican Airlines

Deal found 8/17

$524

Tue 11/111:25 pmDUB - DCA

2 stops14h 39mDelta

Sun 11/166:55 pmDCA - DUB

1 stop9h 25mDelta

Deal found 8/16

$525

Tue 12/1610:55 amDUB - DCA

2 stops16h 43mAmerican Airlines

Mon 1/53:55 pmDCA - DUB

2 stops12h 55mAmerican Airlines

Deal found 8/17

$524

Tue 10/285:55 amDUB - DCA

2 stops17h 45mDelta

Thu 11/135:00 pmDCA - DUB

1 stop11h 20mDelta

Deal found 8/16

$525

Sat 12/1311:30 amDUB - DCA

1 stop10h 19mAmerican Airlines

Tue 1/62:54 pmDCA - DUB

2 stops13h 41mAmerican Airlines

Deal found 8/17

$525

Wed 12/1711:30 amDUB - DCA

1 stop10h 19mAmerican Airlines

Mon 1/53:55 pmDCA - DUB

2 stops12h 55mAmerican Airlines

Deal found 8/17

$525

Wed 12/1711:30 amDUB - DCA

2 stops13h 41mAmerican Airlines

Tue 1/62:54 pmDCA - DUB

2 stops13h 41mAmerican Airlines

Deal found 8/17

$525

Sun 12/1411:30 amDUB - DCA

1 stop13h 25mAmerican Airlines

Tue 1/62:54 pmDCA - DUB

2 stops13h 41mAmerican Airlines

Deal found 8/17

$525

Sat 12/1311:30 amDUB - DCA

2 stops14h 05mAmerican Airlines

Mon 1/56:29 pmDCA - DUB

2 stops13h 06mAmerican Airlines

Deal found 8/17

$525

Mon 12/1511:30 amDUB - DCA

1 stop13h 25mAmerican Airlines

Mon 1/53:55 pmDCA - DUB

2 stops12h 55mAmerican Airlines

Deal found 8/17

$525

Last-minute flights from Dublin to Reagan-National
Discover last-minute flight deals from Dublin to Reagan-National. Data last updated August 18, 2025 and is based on user searches.

Thu 9/410:00 amDUB - DCA

1 stop11h 33mAir France

Thu 9/116:45 pmDCA - DUB

1 stop11h 00mAir France

Deal found 8/16

$536

Thu 9/41:45 pmDUB - DCA

1 stop11h 13mAmerican Airlines

Sat 9/138:59 amDCA - DUB

1 stop15h 31mAmerican Airlines

Deal found 8/17

$548

Thu 9/41:45 pmDUB - DCA

1 stop11h 13mAmerican Airlines

Thu 9/114:40 pmDCA - DUB

1 stop8h 50mAmerican Airlines

Deal found 8/18

$555

Sat 9/69:30 amDUB - DCA

1 stop12h 24mAmerican Airlines

Mon 9/1511:59 amDCA - DUB

1 stop12h 31mAmerican Airlines

Deal found 8/16

$556

Thu 9/111:45 pmDUB - DCA

1 stop11h 13mAmerican Airlines

Thu 9/184:40 pmDCA - DUB

1 stop8h 50mAmerican Airlines

Deal found 8/17

$557

Tue 9/161:20 pmDUB - DCA

2 stops13h 51mDelta

Tue 9/305:00 pmDCA - DUB

1 stop11h 15mDelta

Deal found 8/18

$543

Tue 9/1610:00 amDUB - DCA

1 stop11h 35mKLM

Tue 9/304:45 pmDCA - DUB

1 stop13h 00mKLM

Deal found 8/18

$550

Wed 9/1710:55 amDUB - DCA

2 stops17h 12mBritish Airways

Tue 9/233:35 pmDCA - DUB

2 stops13h 15mBritish Airways

Deal found 8/16

$529

Thu 9/188:35 amDUB - DCA

2 stops16h 23mBritish Airways

Sat 9/277:23 pmDCA - DUB

2 stops14h 02mBritish Airways

Deal found 8/16

$533

Thu 9/181:45 pmDUB - DCA

1 stop13h 15mAmerican Airlines

Tue 9/235:08 pmDCA - DUB

1 stop13h 32mAmerican Airlines

Deal found 8/16

$547

Tue 9/301:20 pmDUB - DCA

2 stops13h 51mDelta

Tue 10/71:15 pmDCA - DUB

2 stops14h 05mDelta

Deal found 8/16

$531

One-way flights from Dublin to Reagan-National
Search for one-way flight options from Dublin to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Mon 9/156:25 amDUB - DCA

3 stops39h 34mMultiple Airlines

Deal found 8/16

$399

Fri 9/195:30 amDUB - DCA

3 stops45h 29mMultiple Airlines

Deal found 8/18

$435

Mon 1/197:05 pmDUB - DCA

2 stops33h 03mScandinavian Airlines

Deal found 8/18

$448

Wed 9/1710:20 amDUB - DCA

3 stops31h 10mWestJet

Deal found 8/16

$453

Sat 9/206:30 pmDUB - DCA

3 stops56h 29mMultiple Airlines

Deal found 8/18

$462

Mon 10/277:05 pmDUB - DCA

2 stops31h 59mScandinavian Airlines

Deal found 8/18

$464

Thu 9/186:50 pmDUB - DCA

3 stops56h 09mMultiple Airlines

Deal found 8/16

$467

Mon 11/39:40 pmDUB - DCA

3 stops43h 21mMultiple Airlines

Deal found 8/18

$470

Mon 10/278:20 pmDUB - DCA

3 stops43h 41mMultiple Airlines

Deal found 8/18

$482

Wed 10/17:05 pmDUB - DCA

3 stops50h 54mMultiple Airlines

Deal found 8/16

$484

Fri 10/3111:10 amDUB - DCA

3 stops33h 51mMultiple Airlines

Deal found 8/17

$486

Tue 9/98:50 amDUB - DCA

3 stops42h 09mMultiple Airlines

Deal found 8/17

$490

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 12/16

10:55 am-10:38 pm

2 stops16h 43m

Washington, D.C. Reagan-National

Tue 1/6

2:54 pm-9:35 am

2 stops13h 41m

$524

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 12/16

10:55 am-10:38 pm

2 stops16h 43m

Washington, D.C. Reagan-National

Mon 1/5

3:55 pm-9:50 am

2 stops12h 55m

$524

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 11/11

1:25 pm-11:04 pm

2 stops14h 39m

Washington, D.C. Reagan-National

Sun 11/16

6:55 pm-9:20 am

1 stop9h 25m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 10/28

5:55 am-7:40 pm

2 stops17h 45m

Washington, D.C. Reagan-National

Thu 11/13

5:00 pm-9:20 am

1 stop11h 20m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 12/13

11:30 am-4:49 pm

1 stop10h 19m

Washington, D.C. Reagan-National

Tue 1/6

2:54 pm-9:35 am

2 stops13h 41m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 12/17

11:30 am-4:49 pm

1 stop10h 19m

Washington, D.C. Reagan-National

Mon 1/5

3:55 pm-9:50 am

2 stops12h 55m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 12/17

11:30 am-8:11 pm

2 stops13h 41m

Washington, D.C. Reagan-National

Tue 1/6

2:54 pm-9:35 am

2 stops13h 41m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 12/14

11:30 am-7:55 pm

1 stop13h 25m

Washington, D.C. Reagan-National

Tue 1/6

2:54 pm-9:35 am

2 stops13h 41m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 12/13

11:30 am-8:35 pm

2 stops14h 05m

Washington, D.C. Reagan-National

Mon 1/5

6:29 pm-12:35 pm

2 stops13h 06m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 12/15

11:30 am-7:55 pm

1 stop13h 25m

Washington, D.C. Reagan-National

Mon 1/5

3:55 pm-9:50 am

2 stops12h 55m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 22 results

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

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

Related info for your journey

What airport do you fly from for flights from Dublin to Washington, D.C. Reagan-National?
Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Dublin. Booking flights from Dublin (DUB) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 0 different airlines.
How long is the flight from Dublin to Washington, D.C. Reagan-National Airport?
A quick flight from Dublin to Washington, D.C. Reagan-National Airport can take about 14h 39m. American Airlines provides one of the quickest options available for as low as $525. Airlines will cover a distance of 3381 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Dublin to Reagan-National that include hotel bookings?
Yes. In addition to deals on Dublin to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dublin to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Reagan-National.
Can I find deals for business class flights from Dublin to Reagan-National?
Yes. Cheapflights offers flight deals from Dublin to Reagan-National 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 Dublin to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Reagan-National Airport (average of $278). Flying from Dublin to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

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Arlington

Alexandria

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Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

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Fairfax

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Oxon Hill

National Harbor

Dundalk

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$399+ Cheap flights from Dublin (DUB) to Reagan-National (DCA)

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.

Find cheap flights from Dublin to Reagan-National with Cheapflights

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Cheap flight deals from Dublin to Reagan-National

Round-trip from

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Find flight deals from Dublin to Reagan-National

Cheapest flights from Dublin to Reagan-NationalExplore the most affordable flight options available from Dublin to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Dublin to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Dublin to Reagan-National. 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 from for flights from Dublin to Washington, D.C. Reagan-National?

How long is the flight from Dublin to Washington, D.C. Reagan-National Airport?

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

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

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

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

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Cheapest flights from Dublin to Reagan-National
Explore the most affordable flight options available from Dublin to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.