Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Dublin to Washington, D.C. from $356

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 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Dublin to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
11:30 am - 6:40 pmDUB-BWI
12h 10m1 stop
Icelandair Logo
8:40 pm - 10:15 amBWI-DUB
9h 35m1 stop
$400Icelandair
Find Deal
Sat, Feb 21 - Tue, Mar 10
British Airways Logo
10:20 am - 6:45 pmDUB-BWI
13h 25m1 stop
British Airways Logo
8:35 pm - 12:15 pmBWI-DUB
10h 40m1 stop
$429British Airways
Find Deal
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
1:10 pm - 7:55 pmDUB-IAD
11h 45m1 stop
Multiple Airlines Logo
6:20 pm - 9:50 amIAD-DUB
10h 30m1 stop
$429Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Jan 8
Scandinavian Airlines Logo
12:30 pm - 5:15 pmDUB-IAD
33h 45m1 stop
Scandinavian Airlines Logo
8:30 pm - 9:25 amIAD-DUB
31h 55m1 stop
$430Scandinavian Airlines
Find Deal
Wed, Nov 26 - Thu, Feb 26
Aer Lingus Logo
4:20 pm - 7:30 pmDUB-IAD
8h 10mnonstop
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
$444Aer Lingus
Find Deal
Fri, Dec 19 - Wed, Jan 7
Scandinavian Airlines Logo
11:30 am - 5:15 pmDUB-IAD
34h 45m2 stops
Scandinavian Airlines Logo
8:30 pm - 6:20 pmIAD-DUB
16h 50m1 stop
$445Scandinavian Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 18
Aer Lingus Logo
12:15 pm - 3:35 pmDUB-IAD
8h 20mnonstop
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
$447Aer Lingus
Find Deal
Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
11:30 am - 8:58 pmDUB-DCA
14h 28m1 stop
Multiple Airlines Logo
1:41 pm - 8:40 amDCA-DUB
13h 59m1 stop
$453Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
United Airlines Logo
1:35 pm - 9:34 pmDUB-DCA
12h 59m1 stop
United Airlines Logo
8:40 pm - 7:10 amDCA-DUB
29h 30m1 stop
$488United Airlines
Find Deal
Fri, Nov 28 - Sat, Nov 29
United Airlines Logo
9:00 am - 5:31 pmDUB-DCA
13h 31m2 stops
United Airlines Logo
3:30 pm - 8:10 amDCA-DUB
11h 40m1 stop
$559United Airlines
Find Deal
Sun, Jan 11 - Thu, Feb 5

Scandinavian Airlines flights from Dublin to Washington, D.C.

Our best Scandinavian Airlines deals on Dublin to Washington, D.C. flight tickets
Scandinavian Airlines
Nov 26
DUB12:30 pmDublin
33h 45m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Feb 26
IAD8:30 pmWashington, D.C. Dulles Intl
31h 55m
1 stop
DUB9:25 amDublin
$430
Find similar
Scandinavian Airlines
Feb 11
DUB11:30 amDublin
34h 45m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
Feb 18
IAD8:30 pmWashington, D.C. Dulles Intl
16h 50m
1 stop
DUB6:20 pmDublin
$445
Find similar
Scandinavian Airlines
Mar 25
DUB11:30 amDublin
34h 45m
2 stops
IAD6:15 pmWashington, D.C. Dulles Intl
Apr 15
IAD8:20 pmWashington, D.C. Dulles Intl
33h 00m
2 stops
DUB10:20 amDublin
$450
Find similar

American Airlines flights from Dublin to Washington, D.C.

Our best American Airlines deals on Dublin to Washington, D.C. flight tickets
American Airlines
Nov 6
DUB3:55 pmDublin
29h 54m
2 stops
IAD4:49 pmWashington, D.C. Dulles Intl
Nov 14
IAD7:59 amWashington, D.C. Dulles Intl
26h 06m
2 stops
DUB3:05 pmDublin
$432
Find similar
American Airlines
Dec 5
DUB12:55 pmDublin
26h 50m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl
Dec 8
IAD9:45 pmWashington, D.C. Dulles Intl
14h 20m
1 stop
DUB5:05 pmDublin
$435
Find similar
American Airlines
Nov 13
DUB10:30 amDublin
16h 00m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
Nov 17
DCA4:51 pmWashington, D.C. Reagan-National
10h 49m
1 stop
DUB8:40 amDublin
$451
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 October 30, 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

Sat 2/21

11:30 am-6:40 pm

1 stop12h 10m

Baltimore/Washington

Tue 3/10

8:40 pm-10:15 am

1 stop9h 35m

$400

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 2/11

10:20 am-6:45 pm

1 stop13h 25m

Baltimore/Washington

Wed 2/18

8:35 pm-12:15 pm

1 stop10h 40m

$429

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 12/11

1:10 pm-7:55 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Thu 1/8

6:20 pm-9:50 am

1 stop10h 30m

$429

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/26

12:30 pm-5:15 pm

1 stop33h 45m

Washington, D.C. Dulles Intl

Thu 2/26

8:30 pm-9:25 am

1 stop31h 55m

$430

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 12/19

4:20 pm-7:30 pm

Nonstop8h 10m

Washington, D.C. Dulles Intl

Wed 1/7

5:05 pm-4:55 am

Nonstop6h 50m

$444

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 2/11

11:30 am-5:15 pm

2 stops34h 45m

Washington, D.C. Dulles Intl

Wed 2/18

8:30 pm-6:20 pm

1 stop16h 50m

$445

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 12/5

12:15 pm-3:35 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Mon 12/8

5:05 pm-4:55 am

Nonstop6h 50m

$447

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 12/5

11:30 am-8:58 pm

1 stop14h 28m

Washington, D.C. Reagan-National

Mon 12/8

1:41 pm-8:40 am

1 stop13h 59m

$453

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 11/28

1:35 pm-9:34 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Sat 11/29

8:40 pm-7:10 am

1 stop29h 30m

$488

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 1/11

9:00 am-5:31 pm

2 stops13h 31m

Washington, D.C. Reagan-National

Thu 2/5

3:30 pm-8:10 am

1 stop11h 40m

$559

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $490. If you’re not able to fly to Washington, D.C. in January, then November is your next best option. Flight prices from Dublin to Washington, D.C. during November average around $500.

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 Monday. momondo users have found tickets for Monday departures for as low as $664. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. for around $905.

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 $816. 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 $603 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 3 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 1% 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 October 2025, prices for Dublin to Washington, D.C. flights are approximately 29% 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

$526

Fastest flight time

7h 55m

Direct flights

Every day

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Dublin in the past 72 hours is $526. The best round-trip flight deal from Dublin to Washington, D.C. found on momondo in the last 72 hours is $552.
The fastest flight from Dublin to Washington, D.C. takes 7h 55m
Direct flights go from Dublin to Washington, D.C. every day.
There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • 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 8h 10m.

  • 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
7.1
562 reviews
Search Icelandair flights
Aer LingusPriceFrom $454Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $643Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights

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

    United Airlines operates around 4 flights from Dublin to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $808, but momondo users have found United Airlines deals from Dublin to Washington, D.C. from as low as $643 round-trip. United Airlines has been scored 7.4/10 in 8,999 reviews.

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

    Aer Lingus (7.2/10 from 1,365 reviews) operates around 8 flights from Dublin to Washington, D.C. in any given week. The average Aer Lingus airfare for this route is around $598, with deals from around $454 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
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/29
Sat 12/6
By creating a price alert you accept our terms of use and privacy policy.

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