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Cheap flights from Dublin to Washington, D.C. from $330

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 2/25. 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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Cheap round-trip flights

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Multiple Airlines Logo
8:30 pm - 3:50 pm
DUB
-
IAD
24h 20m
1 stop
Multiple Airlines Logo
5:40 pm - 7:30 pm
IAD
-
DUB
20h 50m
1 stop
$407Multiple Airlines
mer., avr. 22 - sam., mai 2
Multiple Airlines Logo
8:30 pm - 3:50 pm
DUB
-
IAD
24h 20m
1 stop
Multiple Airlines Logo
5:40 pm - 7:30 pm
IAD
-
DUB
20h 50m
1 stop
$408Multiple Airlines
mer., avr. 22 - sam., mai 2
Multiple Airlines Logo
8:35 am - 3:50 pm
DUB
-
IAD
12h 15m
1 stop
Multiple Airlines Logo
10:25 pm - 4:20 pm
IAD
-
DUB
12h 55m
1 stop
$430Multiple Airlines
jeu., mai 7 - dim., mai 10
Icelandair Logo
11:30 am - 6:30 pm
DUB
-
IAD
12h 00m
1 stop
Icelandair Logo
7:40 pm - 10:15 am
IAD
-
DUB
9h 35m
1 stop
$431Icelandair
mar., févr. 24 - mar., mars 3
Multiple Airlines Logo
8:25 pm - 3:50 pm
DUB
-
IAD
24h 25m
1 stop
Multiple Airlines Logo
10:25 pm - 7:25 pm
IAD
-
DUB
16h 00m
1 stop
$432Multiple Airlines
mar., mai 12 - ven., mai 22
TAP AIR PORTUGAL Logo
4:55 pm - 3:15 pm
DUB
-
IAD
27h 20m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 11:20 pm
IAD
-
DUB
19h 50m
1 stop
$444TAP AIR PORTUGAL
mer., févr. 11 - mer., févr. 18
TAP AIR PORTUGAL Logo
4:55 pm - 3:15 pm
DUB
-
IAD
27h 20m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 11:20 pm
IAD
-
DUB
19h 50m
1 stop
$446TAP AIR PORTUGAL
mer., févr. 11 - mer., févr. 18
Multiple Airlines Logo
8:40 pm - 4:35 pm
DUB
-
IAD
23h 55m
1 stop
Multiple Airlines Logo
5:40 pm - 3:05 pm
IAD
-
DUB
16h 25m
1 stop
$452Multiple Airlines
lun., mars 23 - mer., avr. 8
Icelandair Logo
11:30 am - 6:30 pm
DUB
-
IAD
12h 00m
1 stop
Icelandair Logo
8:40 pm - 10:15 am
IAD
-
DUB
9h 35m
1 stop
$458Icelandair
mer., mars 4 - mer., mars 11
Scandinavian Airlines Logo
7:10 pm - 5:55 pm
DUB
-
IAD
26h 45m
2 stops
Scandinavian Airlines Logo
8:20 pm - 6:20 pm
IAD
-
DUB
17h 00m
1 stop
$461Scandinavian Airlines
sam., mars 28 - lun., avr. 6

Icelandair flights from Dublin to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Feb 24
DUB11:30 amDublin
12h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 3
IAD7:40 pmWashington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15 amDublin
$431
Icelandair
Feb 6
DUB11:30 amDublin
12h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 9
IAD7:40 pmWashington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15 amDublin
$454
Icelandair
Feb 5
DUB11:30 amDublin
12h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 8
IAD7:40 pmWashington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15 amDublin
$456

KLM flights from Dublin to Washington, D.C. Dulles Intl Airport

Our best KLM deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
KLM
Feb 24
DUB8:50 amDublin
12h 15m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Mar 3
IAD6:05 pmWashington, D.C. Dulles Intl
13h 35m
1 stop
DUB12:40 pmDublin
$501
KLM
Feb 20
DUB5:15 pmDublin
27h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Feb 26
IAD3:42 pmWashington, D.C. Dulles Intl
11h 03m
1 stop
DUB7:45 amDublin
$505
KLM
Feb 20
DUB1:25 pmDublin
31h 40m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Feb 26
IAD3:42 pmWashington, D.C. Dulles Intl
11h 03m
1 stop
DUB7:45 amDublin
$509

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Washington, D.C. Dulles Intl Airport 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 janvier 29, 2026.
Use the filters below to find and compare flights from Dublin to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 4/22

8:30 pm-3:50 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

sam. 5/2

5:40 pm-7:30 pm

1 stop20h 50m

$407

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 4/22

8:30 pm-3:50 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

sam. 5/2

5:40 pm-7:30 pm

1 stop20h 50m

$408

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

jeu. 5/7

8:35 am-3:50 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

dim. 5/10

10:25 pm-4:20 pm

1 stop12h 55m

$430

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mar. 2/24

11:30 am-6:30 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

mar. 3/3

7:40 pm-10:15 am

1 stop9h 35m

$431

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mar. 5/12

8:25 pm-3:50 pm

1 stop24h 25m

Washington, D.C. Dulles Intl

ven. 5/22

10:25 pm-7:25 pm

1 stop16h 00m

$432

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 2/11

4:55 pm-3:15 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

mer. 2/18

10:30 pm-11:20 pm

1 stop19h 50m

$444

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 2/11

4:55 pm-3:15 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

mer. 2/18

10:30 pm-11:20 pm

1 stop19h 50m

$446

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

lun. 3/23

8:40 pm-4:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

mer. 4/8

5:40 pm-3:05 pm

1 stop16h 25m

$452

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 3/4

11:30 am-6:30 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

mer. 3/11

8:40 pm-10:15 am

1 stop9h 35m

$458

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

sam. 3/28

7:10 pm-5:55 pm

2 stops26h 45m

Washington, D.C. Dulles Intl

lun. 4/6

8:20 pm-6:20 pm

1 stop17h 00m

$461

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. Dulles Intl Airport

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. Dulles Intl Airport?

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

In general, November is the cheapest month to fly from Dublin to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $512. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $527.

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

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $695. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. Dulles Intl Airport for around $843.

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

Flying to Washington, D.C. Dulles Intl Airport from Dublin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $636 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $815 on average. Flights to Washington, D.C. Dulles Intl Airport from Dublin in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $609 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Dublin for as low as $502 on momondo.

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

There are 3 cabin classes available to choose from on Dublin to Washington, D.C. Dulles Intl 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. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Dublin to Washington, D.C. Dulles Intl Airport.

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

As of January 2026, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (DUB to IAD) flight deals and tips

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

Best Price Found

$521

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dublin in the past 72 hours is $521. The best round-trip flight deal from Dublin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $631.
The fastest flight from Dublin to Washington, D.C. Dulles Intl Airport takes 8h 00m
Direct flights go from Dublin to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Dublin to Washington, D.C. Dulles Intl by plane?

    Dublin and Washington, D.C. Dulles Intl are 3393.9 mi apart from one another. Typically, this will take 8h 00m by plane in normal conditions.

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

    Prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Washington, D.C. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Dublin to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $455Free CancellationRating
7.2
1,442 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $645Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

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

    Across 7 Aer Lingus flights from Dublin to Washington, D.C. Dulles Intl Airport this week, the average price was $638, with the best Aer Lingus deals starting from $455 round-trip. 1,443 users have rated Aer Lingus on momondo, with an average score of 7.2/10.

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
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Dublin with this policy.

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

Once you have performed a search for Dublin to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Washington, D.C. from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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