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

Flying on Delta is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $520. Additional round-trip tickets that might be worth considering are offered by KLM and American Airlines, with the lowest prices starting at $531 and $534, respectively. You may be able to fly from Dublin to Washington, D.C. Reagan-National Airport for 13% 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 $455 on Icelandair. Other airlines that offer cheap prices include JetBlue from $458 and American Airlines from $630 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 June is currently the most expensive (average of $337). 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.

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.

$455+ 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	$520 (Delta)
One-way from	$455 (oojo)
Popular in	July
Cheapest in	October
Average price	$534

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. 8% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

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 June 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 junio 12, 2025.

jue. 11/135:55 amDUB - DCA

2 stops16h 32mDelta

mar. 11/255:00 pmDCA - DUB

2 stops14h 40mDelta

Deal found 6/10

$520

jue. 6/1911:45 amDUB - DCA

1 stop12h 45mAmerican Airlines

mié. 6/2511:51 amDCA - DUB

1 stop12h 39mAmerican Airlines

Deal found 6/11

$526

mar. 10/211:15 pmDUB - DCA

1 stop14h 04mKLM

mar. 10/286:55 pmDCA - DUB

1 stop10h 25mKLM

Deal found 6/12

$531

sáb. 8/169:20 amDUB - DCA

1 stop11h 28mUnited Airlines

lun. 9/111:10 amDCA - DUB

2 stops15h 35mUnited Airlines

Deal found 6/10

$583

sáb. 8/169:20 amDUB - DCA

1 stop11h 28mAir Canada

dom. 8/3112:55 pmDCA - DUB

2 stops37h 50mAir Canada

Deal found 6/10

$595

sáb. 8/163:50 pmDUB - DCA

2 stops20h 59mBritish Airways

jue. 8/282:54 pmDCA - DUB

2 stops13h 56mBritish Airways

Deal found 6/10

$683

mar. 6/2410:00 amDUB - DCA

1 stop11h 33mAir France

mar. 7/83:59 pmDCA - DUB

1 stop11h 46mAir France

Deal found 6/10

$687

mié. 6/2512:00 pmDUB - DCA

1 stop12h 54mMultiple Airlines

vie. 7/45:29 pmDCA - DUB

1 stop11h 31mMultiple Airlines

Deal found 6/10

$699

sáb. 7/2611:30 amDUB - DCA

1 stop16h 29mJetBlue

sáb. 8/23:35 pmDCA - DUB

1 stop12h 25mJetBlue

Deal found 6/11

$723

lun. 8/42:15 pmDUB - DCA

2 stops22h 39mIcelandair

vie. 11/142:00 pmDCA - DUB

2 stops15h 15mIcelandair

Deal found 6/11

$808

jue. 6/194:45 pmDUB - DCA

1 stop11h 14mAer Lingus

jue. 6/2610:10 amDCA - DUB

1 stop13h 45mAer Lingus

Deal found 6/10

$908

jue. 7/38:15 pmDUB - DCA

2 stops32h 18mScandinavian Airlines

dom. 7/136:05 amDCA - DUB

2 stops32h 20mScandinavian Airlines

Deal found 6/12

$915

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 junio 12, 2025.

jue. 11/135:55 amDUB - DCA

2 stops16h 32mDelta

mar. 11/255:00 pmDCA - DUB

2 stops14h 40mDelta

Deal found 6/10

$520

mar. 10/211:15 pmDUB - DCA

1 stop14h 04mKLM

mar. 10/286:55 pmDCA - DUB

1 stop10h 25mKLM

Deal found 6/12

$531

mié. 6/2512:40 pmDUB - DCA

1 stop29h 04mAmerican Airlines

lun. 7/76:10 amDCA - DUB

1 stop19h 20mAmerican Airlines

Deal found 6/12

$534

sáb. 8/169:20 amDUB - DCA

1 stop11h 28mUnited Airlines

lun. 9/111:10 amDCA - DUB

2 stops15h 35mUnited Airlines

Deal found 6/10

$583

sáb. 8/169:20 amDUB - DCA

1 stop11h 28mAir Canada

dom. 8/3112:55 pmDCA - DUB

2 stops37h 50mAir Canada

Deal found 6/10

$595

sáb. 8/163:50 pmDUB - DCA

2 stops20h 59mBritish Airways

jue. 8/282:54 pmDCA - DUB

2 stops13h 56mBritish Airways

Deal found 6/10

$683

mar. 6/2410:00 amDUB - DCA

1 stop11h 33mAir France

mar. 7/83:59 pmDCA - DUB

1 stop11h 46mAir France

Deal found 6/10

$687

mié. 6/2512:00 pmDUB - DCA

1 stop12h 54mMultiple Airlines

vie. 7/45:29 pmDCA - DUB

1 stop11h 31mMultiple Airlines

Deal found 6/10

$699

sáb. 7/2611:30 amDUB - DCA

1 stop16h 29mJetBlue

sáb. 8/23:35 pmDCA - DUB

1 stop12h 25mJetBlue

Deal found 6/11

$723

lun. 8/42:15 pmDUB - DCA

2 stops22h 39mIcelandair

vie. 11/142:00 pmDCA - DUB

2 stops15h 15mIcelandair

Deal found 6/11

$808

jue. 7/38:15 pmDUB - DCA

2 stops32h 18mScandinavian Airlines

dom. 7/136:05 amDCA - DUB

2 stops32h 20mScandinavian Airlines

Deal found 6/12

$915

Last-minute flights from Dublin to Reagan-National
Discover last-minute flight deals from Dublin to Reagan-National. Data last updated junio 12, 2025 and is based on user searches.

jue. 6/1911:45 amDUB - DCA

1 stop12h 45mAmerican Airlines

mié. 6/2511:51 amDCA - DUB

1 stop12h 39mAmerican Airlines

Deal found 6/11

$526

jue. 6/191:15 pmDUB - DCA

2 stops14h 42mDelta

jue. 6/2611:00 amDCA - DUB

1 stop17h 15mDelta

Deal found 6/10

$709

jue. 6/1910:40 amDUB - DCA

1 stop14h 23mJetBlue

jue. 6/266:30 amDCA - DUB

1 stop20h 50mJetBlue

Deal found 6/10

$752

jue. 6/199:20 amDUB - DCA

1 stop11h 28mUnited Airlines

jue. 6/264:05 pmDCA - DUB

1 stop10h 15mUnited Airlines

Deal found 6/10

$764

jue. 6/199:20 amDUB - DCA

1 stop11h 28mAir Canada

jue. 6/2611:00 amDCA - DUB

1 stop16h 15mAir Canada

Deal found 6/10

$802

jue. 6/199:20 amDUB - DCA

2 stops15h 22mMultiple Airlines

mié. 6/256:59 amDCA - DUB

2 stops19h 46mMultiple Airlines

Deal found 6/11

$809

jue. 6/194:45 pmDUB - DCA

1 stop11h 14mAer Lingus

jue. 6/2610:10 amDCA - DUB

1 stop13h 45mAer Lingus

Deal found 6/10

$908

jue. 6/196:50 pmDUB - DCA

2 stops30h 13mTAP AIR PORTUGAL

jue. 6/261:45 pmDCA - DUB

2 stops15h 15mTAP AIR PORTUGAL

Deal found 6/10

$2,042

lun. 6/239:20 amDUB - DCA

1 stop11h 28mAir Canada

mié. 7/96:00 amDCA - DUB

1 stop20h 45mAir Canada

Deal found 6/11

$775

lun. 6/232:15 pmDUB - DCA

2 stops22h 23mIcelandair

mié. 7/98:29 amDCA - DUB

2 stops23h 46mIcelandair

Deal found 6/12

$945

mar. 6/2410:00 amDUB - DCA

1 stop11h 33mAir France

mar. 7/83:59 pmDCA - DUB

1 stop11h 46mAir France

Deal found 6/10

$687

mié. 6/2512:00 pmDUB - DCA

1 stop12h 54mMultiple Airlines

vie. 7/45:29 pmDCA - DUB

1 stop11h 31mMultiple Airlines

Deal found 6/10

$699

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 junio 12, 2025.

vie. 9/512:15 pmDUB - DCA

2 stops34h 45mIcelandair

Deal found 6/10

$455

mié. 6/1810:40 amDUB - DCA

1 stop12h 25mJetBlue

Deal found 6/10

$458

mié. 6/181:15 pmDUB - DCA

2 stops31h 33mMultiple Airlines

Deal found 6/10

$463

dom. 10/511:45 amDUB - DCA

1 stop13h 03mAmerican Airlines

Deal found 6/11

$630

vie. 8/111:30 amDUB - DCA

2 stops16h 29mWestJet

Deal found 6/12

$644

sáb. 8/912:40 pmDUB - DCA

1 stop11h 19mAer Lingus

Deal found 6/11

$649

vie. 7/188:15 pmDUB - DCA

2 stops32h 20mScandinavian Airlines

Deal found 6/9

$669

dom. 11/211:10 amDUB - DCA

2 stops25h 36mTAP AIR PORTUGAL

Deal found 6/12

$716

mié. 7/309:15 amDUB - DCA

2 stops18h 56mIberia

Deal found 6/12

$768

dom. 8/1011:00 amDUB - DCA

1 stop16h 42mDelta

Deal found 6/10

$835

dom. 11/29:00 amDUB - DCA

1 stop28h 57mAir Canada

Deal found 6/12

$1,014

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

jue. 11/13

5:55 am-5:27 pm

2 stops16h 32m

Washington, D.C. Reagan-National

mar. 11/25

5:00 pm-12:40 pm

2 stops14h 40m

$520

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

mar. 10/21

1:15 pm-10:19 pm

1 stop14h 04m

Washington, D.C. Reagan-National

mar. 10/28

6:55 pm-9:20 am

1 stop10h 25m

$531

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

mié. 6/25

12:40 pm-12:44 pm

1 stop29h 04m

Washington, D.C. Reagan-National

lun. 7/7

6:10 am-6:30 am

1 stop19h 20m

$534

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

sáb. 8/16

9:20 am-3:48 pm

1 stop11h 28m

Washington, D.C. Reagan-National

lun. 9/1

10:30 am-9:45 am

1 stop18h 15m

$583

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

sáb. 8/16

9:20 am-3:48 pm

1 stop11h 28m

Washington, D.C. Reagan-National

dom. 8/31

12:55 pm-7:45 am

2 stops37h 50m

$595

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

sáb. 8/16

3:50 pm-7:49 am

2 stops20h 59m

Washington, D.C. Reagan-National

jue. 8/28

2:54 pm-9:50 am

2 stops13h 56m

$683

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

mar. 6/24

10:00 am-4:33 pm

1 stop11h 33m

Washington, D.C. Reagan-National

mar. 7/8

3:59 pm-8:45 am

1 stop11h 46m

$687

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

mié. 6/25

12:00 pm-7:54 pm

1 stop12h 54m

Washington, D.C. Reagan-National

vie. 7/4

5:29 pm-10:00 am

1 stop11h 31m

$699

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

sáb. 7/26

11:30 am-10:59 pm

1 stop16h 29m

Washington, D.C. Reagan-National

sáb. 8/2

3:35 pm-9:00 am

1 stop12h 25m

$723

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

lun. 8/4

2:15 pm-7:54 am

2 stops22h 39m

Washington, D.C. Reagan-National

vie. 11/14

2:00 pm-10:15 am

2 stops15h 15m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Washington, D.C. Reagan-National Airport

Rainfall in Reagan-National by month

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.

Temperature in Reagan-National by month

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).

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown Delta, KLM and Air France from Dublin to Washington, D.C.. 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

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 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

1,358 reviews

Delta

8.0

Very good

7,950 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

1,463 reviews

Delta

8.0

Very good

7,950 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

8,790 reviews

Delta

8.0

Very good

7,950 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

2,925 reviews

Delta

8.0

Very good

7,950 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 Delta is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $520. Additional round-trip tickets that might be worth considering are offered by KLM and American Airlines, with the lowest prices starting at $531 and $534, respectively. You may be able to fly from Dublin to Washington, D.C. Reagan-National Airport for 13% 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 $455 on Icelandair. Other airlines that offer cheap prices include JetBlue from $458 and American Airlines from $630 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 June is currently the most expensive (average of $337). 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

Arlington

Alexandria

Woodbridge

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Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

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National Harbor

Springfield

Manassas

Dundalk

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$455+ 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 9/5. 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 junio 12, 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 junio 12, 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.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Washington, D.C. Reagan-National Airport

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown Delta, KLM and Air France from Dublin to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines 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 junio 12, 2025.