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Cheap flights from Dublin to Washington, D.C. from $282

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 1/28. 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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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
mié., nov. 26 - jue., feb. 26
Icelandair Logo
11:30 am - 6:30 pmDUB-IAD
12h 00m1 stop
Icelandair Logo
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
$435Icelandair
Find Deal
mié., feb. 11 - mié., feb. 18
TAP AIR PORTUGAL Logo
4:25 am - 9:00 pmDUB-IAD
21h 35m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:20 pmIAD-DUB
24h 50m1 stop
$444TAP AIR PORTUGAL
Find Deal
jue., ene. 15 - mar., ene. 20
Aer Lingus Logo
4:20 pm - 7:30 pmDUB-IAD
8h 10mnonstop
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
$453Aer Lingus
Find Deal
vie., nov. 21 - jue., dic. 4
Aer Lingus Logo
12:15 pm - 3:35 pmDUB-IAD
8h 20mnonstop
Aer Lingus Logo
9:00 pm - 8:50 amIAD-DUB
6h 50mnonstop
$457Aer Lingus
Find Deal
lun., nov. 24 - dom., nov. 30
TAP AIR PORTUGAL Logo
10:45 am - 8:35 pmDUB-IAD
14h 50m1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 12:05 amIAD-DUB
20h 30m1 stop
$461TAP AIR PORTUGAL
Find Deal
mié., abr. 22 - sáb., may. 2
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
$463Multiple Airlines
Find Deal
jue., dic. 11 - jue., ene. 8
Multiple Airlines Logo
1:40 pm - 7:55 pmDUB-IAD
11h 15m1 stop
Multiple Airlines Logo
6:20 pm - 9:35 amIAD-DUB
10h 15m1 stop
$465Multiple Airlines
Find Deal
vie., ene. 16 - mar., ene. 20
Delta Logo
8:50 am - 4:05 pmDUB-IAD
12h 15m1 stop
Delta Logo
6:50 pm - 3:45 pmIAD-DUB
15h 55m1 stop
$469Delta
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mié., nov. 26 - mar., feb. 24
Delta Logo
8:50 am - 4:05 pmDUB-IAD
12h 15m1 stop
Delta Logo
6:50 pm - 3:45 pmIAD-DUB
15h 55m1 stop
$470Delta
Find Deal
mar., nov. 11 - lun., nov. 17

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

Our best Scandinavian Airlines deals on Dublin to Washington, D.C. Dulles Intl Airport 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
Nov 26
DUB11:30 amDublin
34h 45m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
Feb 26
IAD8:30 pmWashington, D.C. Dulles Intl
16h 40m
2 stops
DUB6:10 pmDublin
$443
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

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
Nov 6
DUB8:50 amDublin
12h 15m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Nov 14
IAD3:35 pmWashington, D.C. Dulles Intl
11h 10m
1 stop
DUB7:45 amDublin
$474
Find similar
KLM
Nov 26
DUB8:50 amDublin
12h 15m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Dec 3
IAD6:05 pmWashington, D.C. Dulles Intl
13h 35m
1 stop
DUB12:40 pmDublin
$475
Find similar
KLM
Nov 20
DUB8:50 amDublin
12h 15m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Nov 26
IAD6:05 pmWashington, D.C. Dulles Intl
13h 35m
1 stop
DUB12:40 pmDublin
$476
Find similar

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 octubre 31, 2025.
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

mié. 11/26

12:30 pm-5:15 pm

1 stop33h 45m

Washington, D.C. Dulles Intl

jue. 2/26

8:30 pm-9:25 am

1 stop31h 55m

$430

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mié. 2/11

11:30 am-6:30 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

mié. 2/18

7:40 pm-10:15 am

1 stop9h 35m

$435

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

jue. 1/15

4:25 am-9:00 pm

1 stop21h 35m

Washington, D.C. Dulles Intl

mar. 1/20

5:30 pm-11:20 pm

1 stop24h 50m

$444

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

vie. 11/21

4:20 pm-7:30 pm

Nonstop8h 10m

Washington, D.C. Dulles Intl

jue. 12/4

5:05 pm-4:55 am

Nonstop6h 50m

$453

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

lun. 11/24

12:15 pm-3:35 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

dom. 11/30

9:00 pm-8:50 am

Nonstop6h 50m

$457

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mié. 4/22

10:45 am-8:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

sáb. 5/2

10:35 pm-12:05 am

1 stop20h 30m

$461

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

jue. 12/11

1:10 pm-7:55 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

jue. 1/8

6:20 pm-9:50 am

1 stop10h 30m

$463

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

vie. 1/16

1:40 pm-7:55 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

mar. 1/20

6:20 pm-9:35 am

1 stop10h 15m

$465

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mié. 11/26

8:50 am-4:05 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

mar. 2/24

6:50 pm-3:45 pm

1 stop15h 55m

$469

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mar. 11/11

8:50 am-4:05 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

lun. 11/17

6:50 pm-3:45 pm

1 stop15h 55m

$470

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, January 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 $485. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $507.

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

Our data shows that Monday 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 $664. 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. Dulles Intl Airport for around $905.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $580 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $816 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 $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. Dulles Intl Airport from Dublin for as low as $474 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?

You could potentially save up to 1% on your flight if you consider stops on a Dublin to Washington, D.C. Dulles Intl Airport flight.

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

As of October 2025, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 56% 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

$526

Fastest flight time

7h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dublin in the past 72 hours is $526. The best round-trip flight deal from Dublin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $552.
The fastest flight from Dublin to Washington, D.C. Dulles Intl Airport takes 7h 55m
Direct flights go from Dublin to Washington, D.C. Dulles Intl Airport every day.
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  • 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 10m 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
IcelandairPriceFrom $425Free CancellationRating
7.1
562 reviews
Search Icelandair flights
Aer LingusPriceFrom $454Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $643Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

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

    Across 4 United Airlines flights from Dublin to Washington, D.C. Dulles Intl Airport this week, the average price was $808, with the best United Airlines deals starting from $643 round-trip. 8,995 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

    Aer Lingus (7.2/10 from 1,365 reviews) operates around 8 flights from Dublin to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

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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