What is the cheapest airline that flies from Washington, D.C. Reagan-National to Dublin?

JetBlue and Delta are the most popular carriers operating from Washington, D.C. Reagan-National to Dublin

What airlines fly to Dublin?

JetBlue, Aer Lingus and American Airlines are the top three most popular airlines that fly to Dublin from Washington, D.C. Reagan-National Airport according to our data. JetBlue is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Dublin Airport?

Prices for flights from Washington, D.C. Reagan-National Airport to Dublin Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Dublin Airport?

As of July 2026, there are 3 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Dublin Airport.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Dublin Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$236 Cheap Flights from Washington, D.C. Reagan-National Airport to Dublin in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Dublin?

Prices are currently low for flights on this route. Typical prices usually range from $748 to $1,195. The lowest price recently found on this route was $613.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Dublin

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 7:45 am

DCA

DUB

10h 25m

1 stop

9:20 am - 6:12 pm

DUB

DCA

13h 52m

1 stop

$613Air Canada

Mon, Aug 10 - Wed, Aug 19

4:20 pm - 7:45 am

DCA

DUB

10h 25m

1 stop

9:20 am - 6:12 pm

DUB

DCA

13h 52m

1 stop

$615Air Canada

Mon, Aug 10 - Wed, Aug 19

11:00 am - 8:15 am

DCA

DUB

16h 15m

1 stop

9:50 am - 3:38 pm

DUB

DCA

10h 48m

1 stop

$619Air Canada

Sat, Aug 22 - Sat, Aug 29

6:00 am - 1:15 pm

DCA

DUB

26h 15m

3 stops

12:15 pm - 12:00 pm

DUB

DCA

28h 45m

3 stops

$621Multiple Airlines

Mon, Aug 10 - Wed, Aug 19

5:59 pm - 8:20 am

DCA

DUB

9h 21m

1 stop

11:30 am - 10:59 pm

DUB

DCA

16h 29m

1 stop

$622JetBlue

Wed, Aug 19 - Tue, Aug 25

6:00 am - 7:45 am

DCA

DUB

20h 45m

1 stop

9:50 am - 9:46 am

DUB

DCA

28h 56m

2 stops

$627United Airlines

Mon, Aug 17 - Mon, Aug 24

4:20 pm - 7:45 am

DCA

DUB

10h 25m

1 stop

9:20 am - 7:57 pm

DUB

DCA

15h 37m

1 stop

$628Multiple Airlines

Fri, Aug 14 - Wed, Aug 19

8:20 pm - 7:30 am

DCA

DUB

30h 10m

1 stop

9:50 am - 10:18 am

DUB

DCA

29h 28m

1 stop

$630United Airlines

Tue, Aug 25 - Sat, Sep 5

7:59 pm - 8:20 am

DCA

DUB

31h 21m

1 stop

10:40 am - 9:34 pm

DUB

DCA

15h 54m

1 stop

$633JetBlue

Sat, Aug 22 - Wed, Aug 26

8:20 pm - 7:30 am

DCA

DUB

30h 10m

1 stop

9:20 am - 12:00 pm

DUB

DCA

31h 40m

2 stops

$635United Airlines

Fri, Sep 4 - Sat, Sep 12

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Washington, D.C. Reagan-National Airport to Dublin

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets

Air Canada

Aug 10

DCA4:20 pmWashington, D.C. Reagan-National

10h 25m

1 stop

DUB7:45 amDublin

Aug 19

DUB9:20 amDublin

13h 52m

1 stop

DCA6:12 pmWashington, D.C. Reagan-National

$613

Air Canada

Jul 27

DCA4:20 pmWashington, D.C. Reagan-National

10h 25m

1 stop

DUB7:45 amDublin

Aug 27

DUB9:50 amDublin

10h 48m

1 stop

DCA3:38 pmWashington, D.C. Reagan-National

$640

Air Canada

Sep 1

DCA8:40 pmWashington, D.C. Reagan-National

30h 35m

1 stop

DUB8:15 amDublin

Sep 8

DUB9:20 amDublin

30h 00m

1 stop

DCA10:20 amWashington, D.C. Reagan-National

$645

United Airlines flights from Washington, D.C. Reagan-National Airport to Dublin

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets

United Airlines

Aug 24

DCA8:20 pmWashington, D.C. Reagan-National

30h 10m

1 stop

DUB7:30 amDublin

Aug 31

DUB9:50 amDublin

29h 28m

1 stop

DCA10:18 amWashington, D.C. Reagan-National

$630

United Airlines

Sep 4

DCA8:20 pmWashington, D.C. Reagan-National

30h 10m

1 stop

DUB7:30 amDublin

Sep 12

DUB9:20 amDublin

31h 40m

2 stops

DCA12:00 pmWashington, D.C. Reagan-National

$635

United Airlines

Sep 2

DCA6:00 amWashington, D.C. Reagan-National

20h 45m

1 stop

DUB7:45 amDublin

Sep 10

DUB9:20 amDublin

11h 20m

1 stop

DCA3:40 pmWashington, D.C. Reagan-National

$640

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 8/10

4:20 pm-7:45 am

1 stop10h 25m

Dublin

Wed 8/19

9:20 am-6:12 pm

1 stop13h 52m

$613

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 8/10

4:20 pm-7:45 am

1 stop10h 25m

Dublin

Wed 8/19

9:20 am-6:12 pm

1 stop13h 52m

$615

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sat 8/22

11:00 am-8:15 am

1 stop16h 15m

Dublin

Sat 8/29

9:50 am-3:38 pm

1 stop10h 48m

$619

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 8/10

6:00 am-1:15 pm

3 stops26h 15m

Dublin

Wed 8/19

12:15 pm-12:00 pm

3 stops28h 45m

$621

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 8/19

5:59 pm-8:20 am

1 stop9h 21m

Dublin

Tue 8/25

11:30 am-10:59 pm

1 stop16h 29m

$622

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 8/17

6:00 am-7:45 am

1 stop20h 45m

Dublin

Mon 8/24

9:50 am-9:46 am

2 stops28h 56m

$627

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 8/14

4:20 pm-7:45 am

1 stop10h 25m

Dublin

Wed 8/19

9:20 am-7:57 pm

1 stop15h 37m

$628

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 8/25

8:20 pm-7:30 am

1 stop30h 10m

Dublin

Sat 9/5

9:50 am-10:18 am

1 stop29h 28m

$630

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sat 8/22

7:59 pm-8:20 am

1 stop31h 21m

Dublin

Wed 8/26

10:40 am-9:34 pm

1 stop15h 54m

$633

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 9/4

8:20 pm-7:30 am

1 stop30h 10m

Dublin

Sat 9/12

9:20 am-12:00 pm

2 stops31h 40m

$635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Dublin?

What is the cheapest month to fly to Dublin?

In general, January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you’re not able to fly to Dublin in January, then October is your next best option. Flight prices from Washington, D.C. Reagan-National Airport to Dublin during October average around $537.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $818. Flights from Washington, D.C. Reagan-National Airport to Dublin on a Friday will generally be more expensive and average around $897. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

In the afternoon is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Dublin when you can find flight prices for as low as $856. Flying to Dublin in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $857.

When to book flights from Washington, D.C. Reagan-National Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Dublin (DCA to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Dublin

Fastest flight time	9h 50m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Dublin takes 9h 50m

There are no direct flights from Washington, D.C. Reagan-National Airport to Dublin. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Dublin.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Dublin

How far is Washington, D.C. Reagan-National to Dublin by plane?
Dublin is 3381.7 mi away from Washington, D.C. Reagan-National. A reasonable flight in good conditions will take 9h 50m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Dublin Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Dublin Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Dublin Airport?
As of July 2026, there are 3 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Dublin Airport.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. Reagan-National Airport to Dublin?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and Dublin, the leading airline is JetBlue, making up 65% of the total bookings. Other popular airlines include Aer Lingus with 18% and American Airlines with 17%.

Best airlines flying from Washington, D.C. Reagan-National Airport to Dublin

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Dublin with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $359	Free Cancellation	Rating 7.3 1,666 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $405	Free Cancellation	Rating 7.1 11,810 reviews	Search American Airlines flights
JetBlue	PriceFrom $491	Free Cancellation	Rating 7.1 3,009 reviews	Search JetBlue flights

Kilkenny

Swords

Athlone

Bray

Kildare

Malahide

Mullingar

Wicklow

Drogheda

Portmarnock

Dundalk

Arklow

Leixlip

Castleknock

Naas

Cavan

Carlingford

Maynooth

Slane

Thurles

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Dublin?

Finding the right flight to Dublin from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Dublin with flexible booking policies on momondo?

Yes. All flights to Dublin from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Dublin?

Once all potential Washington, D.C. to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Dublin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Washington, D.C. and alert you when they change.

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 8/12

Wed 8/19

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Nearby airports

Airlines

Cabin classes

Other Ireland destinations

Other flights from Washington, D.C. Reagan-National Airport

Complete your trip

Feeling lucky

Airports servicing Ireland

Cheap flights from Washington, D.C. Reagan-National Airport to Dublin from $305

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Dublin

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Air Canada flights from Washington, D.C. Reagan-National Airport to Dublin

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets

United Airlines flights from Washington, D.C. Reagan-National Airport to Dublin

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets

momondo Fare Finder

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

See travel insights to Dublin from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Dublin

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Dublin?

What is the cheapest month to fly to Dublin?

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Dublin?

What airlines fly to Dublin?

When to book flights from Washington, D.C. Reagan-National Airport to Dublin

Cheap Washington, D.C. Reagan-National Airport to Dublin (DCA to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Dublin

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Dublin

Best airlines flying from Washington, D.C. Reagan-National Airport to Dublin

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Dublin with momondo

Traveling to a place near Dublin?

Why use momondo?

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland

Fly your favorite airline to Dublin

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Dublin

List of cabin classes available on flights landing in Dublin. Availability may vary depending on flight origin and airline.

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Reagan-National Airport

According to popular flight searches on momondo this year

Complete your trip to Dublin

Explore popular destinations other users love

According to popular flight searches on momondo this year