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

Flying on American Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $527. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $532 and $544, respectively. You may be able to fly from Dublin to Washington, D.C. Reagan-National Airport for 12% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $477 on Icelandair. Other airlines that offer cheap prices include JetBlue from $535 and American Airlines from $607 one-way.

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 27 days before your planned departure. Booking around this time can save you about 138% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $497 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $645.

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 $569 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.

$477+ 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	$527 (American Airlines)
One-way from	$477 (oojo)
Popular in	July
Cheapest in	October
Average price	$736

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 ($57 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 July 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 July 3, 2025.

Wed 11/510:25 amDUB - DCA

2 stops14h 56mAmerican Airlines

Mon 11/106:35 pmDCA - DUB

2 stops13h 00mAmerican Airlines

Deal found 7/2

$527

Wed 9/1012:45 pmDUB - DCA

2 stops15h 22mMultiple Airlines

Wed 12/1011:42 amDCA - DUB

2 stops16h 58mMultiple Airlines

Deal found 7/3

$531

Sat 10/45:55 amDUB - DCA

2 stops18h 49mDelta

Sat 10/116:55 pmDCA - DUB

2 stops15h 05mDelta

Deal found 7/1

$532

Thu 9/411:00 amDUB - DCA

2 stops16h 00mBritish Airways

Sat 9/133:35 pmDCA - DUB

2 stops15h 20mBritish Airways

Deal found 7/3

$533

Tue 10/211:15 pmDUB - DCA

1 stop14h 04mKLM

Tue 10/283:30 pmDCA - DUB

1 stop13h 50mKLM

Deal found 7/1

$544

Wed 10/811:00 amDUB - DCA

1 stop13h 16mAir France

Fri 10/173:55 pmDCA - DUB

1 stop11h 50mAir France

Deal found 7/1

$552

Mon 8/2512:40 pmDUB - DCA

2 stops36h 14mScandinavian Airlines

Sun 9/76:05 amDCA - DUB

2 stops24h 45mScandinavian Airlines

Deal found 7/2

$572

Fri 12/59:00 amDUB - DCA

1 stop14h 05mUnited Airlines

Mon 12/84:00 pmDCA - DUB

1 stop10h 30mUnited Airlines

Deal found 6/30

$610

Thu 8/2810:40 amDUB - DCA

1 stop12h 25mJetBlue

Tue 9/166:55 pmDCA - DUB

1 stop9h 05mJetBlue

Deal found 7/1

$623

Fri 8/159:50 amDUB - DCA

1 stop28h 07mAir Canada

Fri 8/224:30 pmDCA - DUB

1 stop10h 15mAir Canada

Deal found 6/30

$648

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 July 3, 2025.

Wed 11/510:25 amDUB - DCA

2 stops14h 56mAmerican Airlines

Mon 11/106:35 pmDCA - DUB

2 stops13h 00mAmerican Airlines

Deal found 7/2

$527

Wed 9/1012:45 pmDUB - DCA

2 stops15h 22mMultiple Airlines

Wed 12/1011:42 amDCA - DUB

2 stops16h 58mMultiple Airlines

Deal found 7/3

$531

Sat 10/45:55 amDUB - DCA

2 stops18h 49mDelta

Sat 10/116:55 pmDCA - DUB

2 stops15h 05mDelta

Deal found 7/1

$532

Tue 10/211:15 pmDUB - DCA

1 stop14h 04mKLM

Tue 10/283:30 pmDCA - DUB

1 stop13h 50mKLM

Deal found 7/1

$544

Wed 10/811:00 amDUB - DCA

1 stop13h 16mAir France

Fri 10/173:55 pmDCA - DUB

1 stop11h 50mAir France

Deal found 7/1

$552

Mon 8/2512:40 pmDUB - DCA

2 stops36h 14mScandinavian Airlines

Sun 9/76:05 amDCA - DUB

2 stops24h 45mScandinavian Airlines

Deal found 7/2

$572

Fri 12/59:00 amDUB - DCA

1 stop14h 05mUnited Airlines

Mon 12/84:00 pmDCA - DUB

1 stop10h 30mUnited Airlines

Deal found 6/30

$610

Thu 8/2810:40 amDUB - DCA

1 stop12h 25mJetBlue

Tue 9/166:55 pmDCA - DUB

1 stop9h 05mJetBlue

Deal found 7/1

$623

Fri 8/159:50 amDUB - DCA

1 stop28h 07mAir Canada

Fri 8/224:30 pmDCA - DUB

1 stop10h 15mAir Canada

Deal found 6/30

$648

Last-minute flights from Dublin to Reagan-National
Discover last-minute flight deals from Dublin to Reagan-National. Data last updated July 3, 2025 and is based on user searches.

Tue 7/82:15 pmDUB - DCA

2 stops22h 50mIcelandair

Fri 7/185:45 pmDCA - DUB

2 stops14h 30mIcelandair

Deal found 7/1

$1,460

Tue 7/88:15 pmDUB - DCA

2 stops28h 40mScandinavian Airlines

Tue 7/291:25 pmDCA - DUB

2 stops15h 25mScandinavian Airlines

Deal found 7/1

$2,127

Wed 7/912:40 pmDUB - DCA

1 stop10h 49mAmerican Airlines

Tue 7/154:50 pmDCA - DUB

1 stop8h 40mAmerican Airlines

Deal found 7/2

$731

Wed 7/99:50 amDUB - DCA

1 stop13h 12mAir Canada

Tue 7/1512:55 pmDCA - DUB

2 stops14h 20mAir Canada

Deal found 7/1

$769

Wed 7/911:35 amDUB - DCA

1 stop11h 27mUnited Airlines

Tue 7/154:05 pmDCA - DUB

1 stop10h 15mUnited Airlines

Deal found 7/1

$780

Wed 7/91:20 pmDUB - DCA

2 stops15h 33mDelta

Tue 7/151:25 pmDCA - DUB

2 stops13h 50mDelta

Deal found 7/1

$845

Wed 7/99:50 amDUB - DCA

2 stops29h 28mMultiple Airlines

Tue 7/1512:55 pmDCA - DUB

3 stops25h 20mMultiple Airlines

Deal found 7/2

$1,001

Fri 7/1110:40 amDUB - DCA

1 stop14h 23mJetBlue

Thu 7/171:44 pmDCA - DUB

1 stop14h 16mJetBlue

Deal found 7/1

$771

Sun 7/136:40 amDUB - DCA

2 stops19h 49mBritish Airways

Sun 7/202:54 pmDCA - DUB

2 stops15h 21mBritish Airways

Deal found 7/3

$928

Fri 8/159:50 amDUB - DCA

1 stop28h 07mAir Canada

Fri 8/224:30 pmDCA - DUB

1 stop10h 15mAir Canada

Deal found 6/30

$648

Tue 8/1910:30 amDUB - DCA

2 stops17h 48mBritish Airways

Mon 9/12:54 pmDCA - DUB

2 stops15h 56mBritish Airways

Deal found 7/2

$675

Fri 8/221:45 pmDUB - DCA

1 stop11h 31mAmerican Airlines

Mon 9/81:47 pmDCA - DUB

1 stop10h 43mAmerican Airlines

Deal found 7/3

$669

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 July 3, 2025.

Sun 10/512:15 pmDUB - DCA

2 stops24h 54mIcelandair

Deal found 7/2

$477

Mon 9/297:25 amDUB - DCA

2 stops17h 19mMultiple Airlines

Deal found 7/2

$497

Tue 7/2211:30 amDUB - DCA

1 stop16h 28mJetBlue

Deal found 7/1

$535

Mon 11/1711:30 amDUB - DCA

1 stop13h 29mAmerican Airlines

Deal found 7/2

$607

Wed 11/195:55 amDUB - DCA

2 stops17h 10mDelta

Deal found 7/3

$623

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

Wed 11/5

10:25 am-8:21 pm

2 stops14h 56m

Washington, D.C. Reagan-National

Mon 11/10

6:35 pm-12:35 pm

2 stops13h 00m

$527

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 9/10

12:45 pm-11:07 pm

2 stops15h 22m

Washington, D.C. Reagan-National

Wed 12/10

11:42 am-9:40 am

2 stops16h 58m

$531

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 10/4

5:55 am-7:44 pm

2 stops18h 49m

Washington, D.C. Reagan-National

Sat 10/11

6:55 pm-3:00 pm

2 stops15h 05m

$532

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 9/4

11:00 am-10:00 pm

2 stops16h 00m

Washington, D.C. Reagan-National

Sat 9/13

3:35 pm-11:55 am

2 stops15h 20m

$533

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 10/21

1:15 pm-10:19 pm

1 stop14h 04m

Washington, D.C. Reagan-National

Tue 10/28

3:30 pm-9:20 am

1 stop13h 50m

$544

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 10/8

11:00 am-7:16 pm

1 stop13h 16m

Washington, D.C. Reagan-National

Fri 10/17

3:55 pm-8:45 am

1 stop11h 50m

$552

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 8/25

12:40 pm-7:54 pm

2 stops36h 14m

Washington, D.C. Reagan-National

Sun 9/7

6:05 am-11:50 am

2 stops24h 45m

$572

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 12/5

9:00 am-6:05 pm

1 stop14h 05m

Washington, D.C. Reagan-National

Mon 12/8

4:00 pm-7:30 am

1 stop10h 30m

$610

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 8/28

10:40 am-6:05 pm

1 stop12h 25m

Washington, D.C. Reagan-National

Tue 9/16

6:55 pm-9:00 am

1 stop9h 05m

$623

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 8/15

9:50 am-8:57 am

1 stop28h 07m

Washington, D.C. Reagan-National

Fri 8/22

4:30 pm-7:45 am

1 stop10h 15m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 15 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.

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Dublin to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,367 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,465 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,916 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
What are the cheapest airlines flying from Dublin to Washington, D.C. Reagan-National Airport round-trip?
Flying on American Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $527. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $532 and $544, respectively. You may be able to fly from Dublin to Washington, D.C. Reagan-National Airport for 12% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Dublin to Washington, D.C. Reagan-National Airport one-way?
One-way options have recently been found by users for as low as $477 on Icelandair. Other airlines that offer cheap prices include JetBlue from $535 and American Airlines from $607 one-way.
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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$477+ 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 10/5. 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 July 3, 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 July 3, 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.

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Dublin to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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?

Traveling to a place near Dublin?

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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 July 3, 2025.