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Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from $249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Dublin departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
12:23 pm - 6:20 pm
IAD
-
DUB
24h 57m2 stops
Scandinavian Airlines Logo
11:30 am - 5:15 pm
DUB
-
IAD
34h 45m2 stops
$489Scandinavian Airlines
qui, jan 22 - qua, jan 28
Icelandair Logo
7:40 pm - 10:15 am
IAD
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:30 pm
DUB
-
IAD
12h 00m1 stop
$490Icelandair
sáb, jan 31 - sáb, fev 7
Scandinavian Airlines Logo
8:30 pm - 11:45 am
IAD
-
DUB
34h 15m2 stops
Scandinavian Airlines Logo
10:10 am - 5:15 pm
DUB
-
IAD
60h 05m2 stops
$491Scandinavian Airlines
sáb, jan 31 - sáb, fev 7
Scandinavian Airlines Logo
8:30 pm - 11:45 am
IAD
-
DUB
34h 15m2 stops
Scandinavian Airlines Logo
10:10 am - 6:50 pm
DUB
-
IAD
13h 40m1 stop
$492Scandinavian Airlines
sáb, jan 24 - sáb, jan 31
Icelandair Logo
7:40 pm - 10:15 am
IAD
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:30 pm
DUB
-
IAD
12h 00m1 stop
$493Icelandair
ter, jan 27 - sáb, jan 31
Scandinavian Airlines Logo
12:23 pm - 11:45 am
IAD
-
DUB
18h 22m2 stops
Scandinavian Airlines Logo
10:10 am - 3:20 pm
DUB
-
IAD
34h 10m1 stop
$494Scandinavian Airlines
seg, jan 12 - dom, jan 18
Icelandair Logo
7:40 pm - 10:15 am
IAD
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:30 pm
DUB
-
IAD
12h 00m1 stop
$495Icelandair
sex, fev 27 - qui, mar 5
Scandinavian Airlines Logo
9:30 pm - 6:20 pm
IAD
-
DUB
16h 50m1 stop
Scandinavian Airlines Logo
7:50 pm - 4:50 pm
DUB
-
IAD
50h 00m2 stops
$497Scandinavian Airlines
seg, mar 23 - seg, mar 30
TAP AIR PORTUGAL Logo
5:30 pm - 4:10 pm
IAD
-
DUB
17h 40m1 stop
TAP AIR PORTUGAL Logo
11:10 am - 9:00 pm
DUB
-
IAD
14h 50m1 stop
$498TAP AIR PORTUGAL
seg, jan 12 - dom, jan 18
Scandinavian Airlines Logo
1:19 pm - 6:20 pm
IAD
-
DUB
25h 01m2 stops
Scandinavian Airlines Logo
12:40 pm - 4:50 pm
DUB
-
IAD
33h 10m1 stop
$499Scandinavian Airlines
ter, mar 24 - ter, mar 31

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
Delta
Dec 16
IAD6:03 amWashington, D.C. Dulles Intl
20h 42m
1 stop
DUB7:45 amDublin
Dec 23
DUB9:45 amDublin
19h 12m
1 stop
IAD11:57 pmWashington, D.C. Dulles Intl
$730
Find similar
Delta
Dec 16
IAD6:03 amWashington, D.C. Dulles Intl
20h 42m
1 stop
DUB7:45 amDublin
Dec 22
DUB6:00 amDublin
18h 30m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$774
Find similar
Delta
Dec 23
IAD6:00 amWashington, D.C. Dulles Intl
20h 45m
1 stop
DUB7:45 amDublin
Jan 7
DUB1:25 pmDublin
34h 44m
2 stops
IAD7:09 pmWashington, D.C. Dulles Intl
$899
Find similar

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
United Airlines
Dec 16
IAD10:20 pmWashington, D.C. Dulles Intl
7h 00m
DUB10:20 amDublin
Dec 23
DUB12:05 pmDublin
8h 15m
IAD3:20 pmWashington, D.C. Dulles Intl
$763
Find similar
United Airlines
Dec 16
IAD1:10 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
DUB8:10 amDublin
Dec 23
DUB12:05 pmDublin
8h 15m
IAD3:20 pmWashington, D.C. Dulles Intl
$767
Find similar
United Airlines
Dec 17
IAD1:10 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
DUB8:10 amDublin
Dec 24
DUB12:05 pmDublin
8h 15m
IAD3:20 pmWashington, D.C. Dulles Intl
$810
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Dublin 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 dezembro 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

qui 1/22

12:23 pm-6:20 pm

2 stops24h 57m

Dublin

qua 1/28

11:30 am-5:15 pm

2 stops34h 45m

$489

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

sáb 1/31

7:40 pm-10:15 am

1 stop9h 35m

Dublin

sáb 2/7

11:30 am-6:30 pm

1 stop12h 00m

$490

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

sáb 1/31

8:30 pm-11:45 am

2 stops34h 15m

Dublin

sáb 2/7

10:10 am-5:15 pm

2 stops60h 05m

$491

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

sáb 1/24

8:30 pm-11:45 am

2 stops34h 15m

Dublin

sáb 1/31

10:10 am-6:50 pm

1 stop13h 40m

$492

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

ter 1/27

7:40 pm-10:15 am

1 stop9h 35m

Dublin

sáb 1/31

11:30 am-6:30 pm

1 stop12h 00m

$493

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

seg 1/12

12:23 pm-11:45 am

2 stops18h 22m

Dublin

dom 1/18

10:10 am-3:20 pm

1 stop34h 10m

$494

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

sex 2/27

7:40 pm-10:15 am

1 stop9h 35m

Dublin

qui 3/5

11:30 am-6:30 pm

1 stop12h 00m

$495

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

seg 3/23

9:30 pm-6:20 pm

1 stop16h 50m

Dublin

seg 3/30

7:50 pm-4:50 pm

2 stops50h 00m

$497

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

seg 1/12

5:30 pm-4:10 pm

1 stop17h 40m

Dublin

dom 1/18

11:10 am-9:00 pm

1 stop14h 50m

$498

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

ter 3/24

1:19 pm-6:20 pm

2 stops25h 01m

Dublin

ter 3/31

12:40 pm-4:50 pm

1 stop33h 10m

$499

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 Dublin from

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

What is the cheapest month to fly to Dublin?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $596. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Dublin during January average around $604.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $743. Flights from Washington, D.C. Dulles Intl Airport to Dublin on a Friday will generally be more expensive and average around $896. 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 evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Dublin when you can find flight prices for as low as $788. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $929.

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

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

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $714 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Washington, D.C. Dulles Intl Airport for as low as $608 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of December 2025, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 54% more expensive when compared to flights at the same time last year.

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

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

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

Best Price Found

$443

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Washington, D.C. Dulles Intl Airport in the past 72 hours is $443. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Dublin found on momondo in the last 72 hours is $680.
The fastest flight from Washington, D.C. Dulles Intl Airport to Dublin takes 6h 50m
Direct flights go from Washington, D.C. Dulles Intl Airport to Dublin every day.
There is 1 airport in Dublin. From Washington, D.C. Dulles Intl Airport there are direct flights to Dublin (DUB).
Search flight deals

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

    There are 3393.9 mi between Washington, D.C. Dulles Intl and Dublin. Flights usually cover this in 6h 50m, depending on flying conditions and air traffic around both airports.

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

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

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

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Dublin with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $322Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $371Free CancellationRating
7.0
589 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $427Free CancellationRating
7.1
2,089 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $456Free CancellationRating
7.4
1,605 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $470Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $484Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
United AirlinesPriceFrom $525Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
American AirlinesPriceFrom $618Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
LufthansaPriceFrom $661Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights

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

    United Airlines is one of the most popular airlines flying from Washington, D.C. Dulles Intl Airport to Dublin, operating 6 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Dulles Intl Airport to Dublin starts from $525 round-trip, up to an average price of $817. Our users have rated United Airlines at 7.4/10.

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

    Another popular option for Washington, D.C. Dulles Intl Airport to Dublin flights is Aer Lingus (7.2/10, 1,394 ratings). Aer Lingus flies from Washington, D.C. Dulles Intl Airport to Dublin around 14 times per week, with deals starting from $470 round-trip and rising to an average price of around $686.

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Swords
Dundalk
Malahide
Maynooth
Bray
Kildare
Mullingar
Drogheda
Naas
Arklow
Cavan
Castleknock
Wicklow
Leixlip
Thurles
Slane

Why use momondo?

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

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

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 you have performed a search for Washington, D.C. to Dublin 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 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.

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