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 10h 20m. British Airways provides one of the quickest options available for as low as $513. Airlines will cover a distance of 3381 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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).

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.

$454+ Flights from Dublin to Washington, D.C. Reagan-National Airport

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Cheap 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 December 21, 2025.

Fri 12/2611:30 amDUB - DCA

1 stop10h 05mMultiple Airlines

Thu 1/14:59 pmDCA - DUB

1 stop10h 41mMultiple Airlines

Deal found 12/19

$549

Fri 12/2611:30 amDUB - DCA

1 stop10h 05mMultiple Airlines

Wed 12/311:44 pmDCA - DUB

1 stop13h 56mMultiple Airlines

Deal found 12/20

$711

Fri 12/269:30 amDUB - DCA

1 stop10h 59mUnited Airlines

Thu 1/112:59 pmDCA - DUB

2 stops13h 11mUnited Airlines

Deal found 12/19

$769

Fri 12/269:00 amDUB - DCA

2 stops19h 59mUnited Airlines

Wed 12/311:00 pmDCA - DUB

1 stop14h 10mUnited Airlines

Deal found 12/20

$786

Sun 12/219:30 amDUB - DCA

1 stop10h 21mUnited Airlines

Sun 1/42:00 pmDCA - DUB

1 stop13h 10mUnited Airlines

Deal found 12/18

$803

Sat 12/201:35 pmDUB - DCA

1 stop30h 16mUnited Airlines

Thu 12/254:05 pmDCA - DUB

1 stop10h 25mUnited Airlines

Deal found 12/20

$879

Fri 12/191:35 pmDUB - DCA

1 stop24h 53mUnited Airlines

Tue 12/232:00 pmDCA - DUB

1 stop13h 10mUnited Airlines

Deal found 12/19

$880

Fri 12/199:45 amDUB - DCA

1 stop14h 45mDelta

Tue 12/238:20 amDCA - DUB

2 stops18h 25mDelta

Deal found 12/19

$884

Sun 12/215:55 amDUB - DCA

2 stops17h 24mDelta

Sun 1/412:55 pmDCA - DUB

1 stop15h 25mDelta

Deal found 12/18

$924

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 December 21, 2025.

Fri 1/234:00 pmDUB - DCA

2 stops23h 03mBritish Airways

Mon 2/91:44 pmDCA - DUB

2 stops15h 06mBritish Airways

Deal found 12/20

$495

Sat 1/249:45 amDUB - DCA

2 stops17h 13mMultiple Airlines

Mon 2/91:44 pmDCA - DUB

1 stop13h 56mMultiple Airlines

Deal found 12/20

$505

Mon 1/1211:30 amDUB - DCA

1 stop10h 20mAmerican Airlines

Sun 1/181:44 pmDCA - DUB

1 stop13h 56mAmerican Airlines

Deal found 12/20

$513

Fri 1/1611:30 amDUB - DCA

1 stop10h 20mAmerican Airlines

Mon 1/196:59 amDCA - DUB

2 stops20h 41mAmerican Airlines

Deal found 12/20

$513

Fri 1/1611:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Sun 1/254:43 pmDCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 12/20

$514

Thu 1/1511:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Thu 1/224:43 pmDCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 12/20

$514

Mon 2/211:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Mon 2/94:43 pmDCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 12/19

$514

Fri 1/2311:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Mon 2/94:43 pmDCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 12/20

$514

Wed 1/2111:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Sun 1/254:43 pmDCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 12/20

$514

Thu 1/2211:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Sat 1/314:39 pmDCA - DUB

1 stop11h 01mMultiple Airlines

Deal found 12/20

$514

Last-minute flights from Dublin to Reagan-National
Discover last-minute flight deals from Dublin to Reagan-National. Data last updated December 21, 2025 and is based on user searches.

Mon 1/121:25 pmDUB - DCA

2 stops14h 23mDelta

Sun 1/185:00 pmDCA - DUB

2 stops17h 45mDelta

Deal found 12/20

$519

Mon 1/1210:45 amDUB - DCA

1 stop10h 44mDelta

Sun 1/255:00 pmDCA - DUB

1 stop10h 45mDelta

Deal found 12/18

$533

Thu 1/1511:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Tue 1/204:43 pmDCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 12/18

$514

Thu 1/155:55 amDUB - DCA

2 stops16h 58mDelta

Wed 1/215:00 pmDCA - DUB

2 stops17h 45mDelta

Deal found 12/19

$520

Thu 1/155:55 amDUB - DCA

2 stops16h 58mDelta

Tue 1/205:00 pmDCA - DUB

2 stops17h 45mDelta

Deal found 12/18

$521

Thu 1/151:25 pmDUB - DCA

2 stops14h 23mKLM

Tue 1/205:00 pmDCA - DUB

1 stop10h 45mKLM

Deal found 12/18

$524

Fri 1/1611:30 amDUB - DCA

1 stop10h 20mAmerican Airlines

Mon 1/196:59 amDCA - DUB

2 stops20h 41mAmerican Airlines

Deal found 12/20

$513

Fri 1/1611:30 amDUB - DCA

1 stop10h 20mMultiple Airlines

Fri 1/234:43 pmDCA - DUB

1 stop10h 57mMultiple Airlines

Deal found 12/19

$523

Sat 1/175:55 amDUB - DCA

2 stops17h 47mDelta

Sat 1/2411:10 amDCA - DUB

2 stops15h 40mDelta

Deal found 12/20

$522

Fri 1/234:00 pmDUB - DCA

2 stops23h 03mBritish Airways

Mon 2/91:44 pmDCA - DUB

2 stops15h 06mBritish Airways

Deal found 12/20

$495

Sat 1/249:45 amDUB - DCA

2 stops17h 13mMultiple Airlines

Mon 2/91:44 pmDCA - DUB

1 stop13h 56mMultiple Airlines

Deal found 12/20

$505

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 December 21, 2025.

Sat 2/71:30 pmDUB - DCA

3 stops37h 33mMultiple Airlines

Deal found 12/20

$454

Sun 2/156:50 pmDUB - DCA

3 stops32h 15mMultiple Airlines

Deal found 12/20

$455

Thu 1/154:40 pmDUB - DCA

1 stop11h 19mMultiple Airlines

Deal found 12/20

$472

Fri 2/206:40 amDUB - DCA

2 stops14h 39mBritish Airways

Deal found 12/19

$478

Sat 1/317:00 amDUB - DCA

3 stops40h 05mMultiple Airlines

Deal found 12/20

$484

Sun 3/225:25 pmDUB - DCA

3 stops32h 05mMultiple Airlines

Deal found 12/19

$491

Fri 1/231:00 pmDUB - DCA

1 stop11h 45mAer Lingus

Deal found 12/20

$497

Tue 3/2411:40 amDUB - DCA

1 stop10h 58mMultiple Airlines

Deal found 12/19

$501

Sat 1/247:50 amDUB - DCA

3 stops43h 09mMultiple Airlines

Deal found 12/20

$507

Find flight deals from Dublin to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$495 (British Airways)
One-way from	$454 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$616

Provider with most accurate pricing for Dublin-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Dublin-Washington, D.C. (WAS) flights.

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($88 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Fri 1/23

4:00 pm-10:03 am

2 stops23h 03m

Washington, D.C. Reagan-National

Mon 2/9

1:44 pm-9:50 am

2 stops15h 06m

$495

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 1/24

9:45 am-9:58 pm

2 stops17h 13m

Washington, D.C. Reagan-National

Mon 2/9

1:44 pm-8:40 am

1 stop13h 56m

$505

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/12

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Sun 1/18

1:44 pm-8:40 am

1 stop13h 56m

$513

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/16

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Mon 1/19

6:59 am-8:40 am

2 stops20h 41m

$513

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/16

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Sun 1/25

4:43 pm-8:40 am

1 stop10h 57m

$514

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 1/15

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Thu 1/22

4:43 pm-8:40 am

1 stop10h 57m

$514

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 2/2

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Mon 2/9

4:43 pm-8:40 am

1 stop10h 57m

$514

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/23

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Mon 2/9

4:43 pm-8:40 am

1 stop10h 57m

$514

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 1/21

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Sun 1/25

4:43 pm-8:40 am

1 stop10h 57m

$514

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 1/22

11:30 am-4:50 pm

1 stop10h 20m

Washington, D.C. Reagan-National

Sat 1/31

4:39 pm-8:40 am

1 stop11h 01m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 19 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 10h 20m. British Airways provides one of the quickest options available for as low as $513. 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.

See more FAQs

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$454+ 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 2/7. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap 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 December 21, 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 December 21, 2025.

Find flight deals from Dublin to Reagan-National

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Most trusted provider

Round-trip from

One-way from

Popular in

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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?

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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 December 21, 2025.