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Cheap flights from Dublin to Washington, D.C. from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington, D.C. departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Dublin to Washington, D.C. (DUB-WAS)

Cheap round-trip flights

PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
PLAY Logo
6:50 pm - 10:10 amBWI-DUB
10h 20m1 stop
$310PLAY
Find Deal
mié., sep. 10 - mié., sep. 24
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
PLAY Logo
6:50 pm - 10:05 amBWI-DUB
10h 15m1 stop
$322PLAY
Find Deal
vie., sep. 26 - vie., oct. 3
Icelandair Logo
12:15 pm - 10:10 pmDUB-IAD
14h 55m1 stop
Icelandair Logo
11:15 pm - 1:15 pmIAD-DUB
9h 00m1 stop
$381Icelandair
Find Deal
vie., sep. 26 - vie., oct. 3
Icelandair Logo
12:15 pm - 10:10 pmDUB-IAD
14h 55m1 stop
Icelandair Logo
11:15 pm - 1:15 pmIAD-DUB
9h 00m1 stop
$386Icelandair
Find Deal
mié., sep. 24 - dom., sep. 28
Scandinavian Airlines Logo
7:05 pm - 6:15 pmDUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
8:30 pm - 6:20 pmIAD-DUB
16h 50m1 stop
$392Scandinavian Airlines
Find Deal
mar., oct. 28 - jue., nov. 13
Scandinavian Airlines Logo
11:45 am - 7:59 pmDUB-IAD
37h 14m2 stops
Scandinavian Airlines Logo
10:05 pm - 6:15 pmIAD-DUB
15h 10m1 stop
$394Scandinavian Airlines
Find Deal
mié., oct. 1 - dom., oct. 19
British Airways Logo
12:45 pm - 7:45 pmDUB-BWI
12h 00m1 stop
British Airways Logo
9:35 pm - 2:35 pmBWI-DUB
12h 00m1 stop
$507British Airways
Find Deal
vie., sep. 19 - mié., oct. 8
United Airlines Logo
9:20 am - 3:51 pmDUB-DCA
11h 31m1 stop
United Airlines Logo
4:15 pm - 7:20 amDCA-DUB
10h 05m1 stop
$517United Airlines
Find Deal
jue., sep. 4 - jue., sep. 11
British Airways Logo
10:45 am - 6:45 pmDUB-BWI
13h 00m1 stop
British Airways Logo
8:35 pm - 12:10 pmBWI-DUB
10h 35m1 stop
$517British Airways
Find Deal
vie., nov. 7 - mar., nov. 11
United Airlines Logo
9:20 am - 3:51 pmDUB-DCA
11h 31m1 stop
United Airlines Logo
3:00 pm - 7:20 amDCA-DUB
11h 20m1 stop
$528United Airlines
Find Deal
jue., sep. 4 - jue., sep. 11

PLAY flights from Dublin to Washington, D.C.

Our best PLAY deals on Dublin to Washington, D.C. flight tickets
PLAY
Sep 10
DUB11:35 amDublin
11h 05m
1 stop
BWI5:40 pmBaltimore/Washington
Sep 24
BWI6:50 pmBaltimore/Washington
10h 20m
1 stop
DUB10:10 amDublin
$310
Find similar
PLAY
Sep 26
DUB11:35 amDublin
11h 05m
1 stop
BWI5:40 pmBaltimore/Washington
Oct 3
BWI6:50 pmBaltimore/Washington
10h 15m
1 stop
DUB10:05 amDublin
$322
Find similar
PLAY
Sep 26
DUB11:35 amDublin
11h 05m
1 stop
BWI5:40 pmBaltimore/Washington
Oct 3
BWI6:50 pmBaltimore/Washington
10h 15m
1 stop
DUB10:05 amDublin
$327
Find similar

British Airways flights from Dublin to Washington, D.C.

Our best British Airways deals on Dublin to Washington, D.C. flight tickets
British Airways
Sep 19
DUB12:45 pmDublin
12h 00m
1 stop
BWI7:45 pmBaltimore/Washington
Oct 8
BWI9:35 pmBaltimore/Washington
12h 00m
1 stop
DUB2:35 pmDublin
$507
Find similar
British Airways
Nov 7
DUB10:45 amDublin
13h 00m
1 stop
BWI6:45 pmBaltimore/Washington
Nov 11
BWI8:35 pmBaltimore/Washington
10h 35m
1 stop
DUB12:10 pmDublin
$517
Find similar
British Airways
Oct 21
DUB12:45 pmDublin
12h 00m
1 stop
BWI7:45 pmBaltimore/Washington
Oct 28
BWI9:35 pmBaltimore/Washington
10h 35m
1 stop
DUB12:10 pmDublin
$520
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

mié. 9/10

11:35 am-5:40 pm

1 stop11h 05m

Baltimore/Washington

mié. 9/24

6:50 pm-10:10 am

1 stop10h 20m

$310

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

vie. 9/26

11:35 am-5:40 pm

1 stop11h 05m

Baltimore/Washington

vie. 10/3

6:50 pm-10:05 am

1 stop10h 15m

$322

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

vie. 9/26

12:15 pm-10:10 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

vie. 10/3

11:15 pm-1:15 pm

1 stop9h 00m

$381

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mié. 9/24

12:15 pm-10:10 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

dom. 9/28

11:15 pm-1:15 pm

1 stop9h 00m

$386

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mar. 10/28

7:05 pm-6:15 pm

1 stop27h 10m

Washington, D.C. Dulles Intl

jue. 11/13

8:30 pm-6:20 pm

1 stop16h 50m

$392

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mié. 10/1

11:45 am-7:59 pm

2 stops37h 14m

Washington, D.C. Dulles Intl

dom. 10/19

10:05 pm-6:15 pm

1 stop15h 10m

$394

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

vie. 9/19

12:45 pm-7:45 pm

1 stop12h 00m

Baltimore/Washington

mié. 10/8

9:35 pm-2:35 pm

1 stop12h 00m

$507

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

jue. 9/4

9:20 am-3:51 pm

1 stop11h 31m

Washington, D.C. Reagan-National

jue. 9/11

4:15 pm-7:20 am

1 stop10h 05m

$517

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

vie. 11/7

10:45 am-6:45 pm

1 stop13h 00m

Baltimore/Washington

mar. 11/11

8:35 pm-12:10 pm

1 stop10h 35m

$517

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

jue. 9/4

9:20 am-3:51 pm

1 stop11h 31m

Washington, D.C. Reagan-National

jue. 9/11

3:00 pm-7:20 am

1 stop11h 20m

$528

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Dublin to Washington, D.C.

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

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

What is the cheapest month to fly to Washington, D.C.?

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Dublin, with most prices found around $468. If you’re not able to fly to Washington, D.C. in January, then March is your next best option. Flight prices from Dublin to Washington, D.C. during March average around $502.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Dublin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $685. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. for around $839.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Dublin to Washington, D.C. when you can find flight prices for as low as $558. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $802. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Dublin to Washington, D.C. flight route?

Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $596 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Dublin for as low as $474 on momondo.

What cabin class options are available on Dublin to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Dublin to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Washington, D.C. flights?

You could potentially save up to 39% on your flight if you consider stops on a Dublin to Washington, D.C. flight.

How have Dublin to Washington, D.C. flight prices changed over time?

As of August 2025, prices for Dublin to Washington, D.C. flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Washington, D.C.

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

Cheap Dublin to Washington, D.C. (DUB to WAS) flight deals and tips

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

Best Price Found

$298

Fastest flight time

9h 41m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Dublin in the past 72 hours is $298. The best round-trip flight deal from Dublin to Washington, D.C. found on momondo in the last 72 hours is $310.
The fastest flight from Dublin to Washington, D.C. takes 9h 41m
Direct flights go from Dublin to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
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  • How far is Dublin to Washington, D.C. by plane?

    There are 3379.2 mi between Dublin and Washington, D.C.. A reasonable flight in good conditions will take 9h 41m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Dublin to Washington, D.C.?

  • What is the most popular airline from Dublin to Washington, D.C.?

Best airlines flying from Dublin to Washington, D.C.

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $425Free CancellationRating
7.0
526 reviews
Search Icelandair flights
Aer LingusPriceFrom $446Free CancellationRating
7.1
1,214 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $569Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

  • United Airlines Flights From Dublin to Washington, D.C.

    United Airlines operates around 12 flights from Dublin to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $798, but momondo users have found United Airlines deals from Dublin to Washington, D.C. from as low as $569 round-trip. United Airlines has been scored 7.4/10 in 8,916 reviews.

  • Aer Lingus Flights From Dublin to Washington, D.C.

    Aer Lingus (7.1/10 from 1,214 reviews) operates around 14 flights from Dublin to Washington, D.C. in any given week. The average Aer Lingus airfare for this route is around $624, with deals from around $446 rare but found on momondo. Referenced prices are for round-trip Dublin to Washington, D.C. flight searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

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

It is quick and easy to find Dublin to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Dublin to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Dublin to Washington, D.C. 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 Dublin to Washington, D.C. right now. Can momondo alert me if prices change?

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

An easier way to manage your Washington, D.C. 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.
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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport