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Cheap flights from Washington, D.C. Dulles Intl Airport to Ireland from $253

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 Ireland departing on 9/30. 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 Ireland

Cheap round-trip flights

Scandinavian Airlines Logo
10:05 pm - 10:55 amIAD-DUB
31h 50m2 stops
Scandinavian Airlines Logo
7:05 pm - 6:15 pmDUB-IAD
27h 10m1 stop
$451Scandinavian Airlines
Find Deal
lun., oct. 20 - mié., oct. 29
Logo
9:00 am - 6:10 amIAD-DUB
17h 10m1 stop
Logo
9:10 am - 8:29 pmDUB-IAD
16h 19m2 stops
$452
Find Deal
mar., oct. 28 - mar., nov. 4
United Airlines Logo
11:20 pm - 10:20 amIAD-DUB
7h 00mnonstop
United Airlines Logo
12:05 pm - 3:20 pmDUB-IAD
8h 15mnonstop
$454United Airlines
Find Deal
dom., oct. 26 - vie., nov. 7
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
12:15 pm - 3:35 pmDUB-IAD
8h 20mnonstop
$459Aer Lingus
Find Deal
mar., nov. 4 - dom., nov. 9
Aer Lingus Logo
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:20 pm - 8:30 pmDUB-IAD
8h 10mnonstop
$462Aer Lingus
Find Deal
dom., oct. 19 - sáb., nov. 1
United Airlines Logo
10:20 pm - 10:20 amIAD-DUB
7h 00mnonstop
United Airlines Logo
9:00 am - 9:22 pmDUB-IAD
41h 22m2 stops
$463United Airlines
Find Deal
mié., nov. 19 - dom., nov. 23
Icelandair Logo
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:30 pmDUB-IAD
12h 00m1 stop
$466Icelandair
Find Deal
mar., dic. 2 - vie., dic. 12
Icelandair Logo
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:30 pmDUB-IAD
12h 00m1 stop
$489Icelandair
Find Deal
vie., dic. 5 - mar., dic. 16
American Airlines Logo
9:45 pm - 4:45 pmIAD-SNN
14h 00m1 stop
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$584American Airlines
Find Deal
mié., nov. 26 - mié., ene. 14
American Airlines Logo
5:50 pm - 10:45 amIAD-ORK
11h 55m1 stop
American Airlines Logo
11:55 am - 7:55 pmORK-IAD
13h 00m1 stop
$601American Airlines
Find Deal
dom., oct. 19 - mar., nov. 4

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

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
Scandinavian Airlines
Oct 20
IAD10:05 pmWashington, D.C. Dulles Intl
31h 50m
2 stops
DUB10:55 amDublin
Oct 29
DUB7:05 pmDublin
27h 10m
1 stop
IAD6:15 pmWashington, D.C. Dulles Intl
$451
Find similar
Scandinavian Airlines
Oct 19
IAD10:05 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
DUB6:15 pmDublin
Oct 28
DUB7:05 pmDublin
27h 10m
1 stop
IAD6:15 pmWashington, D.C. Dulles Intl
$457
Find similar
Scandinavian Airlines
Oct 23
IAD10:05 pmWashington, D.C. Dulles Intl
16h 05m
2 stops
DUB7:10 pmDublin
Oct 28
DUB11:30 amDublin
34h 45m
2 stops
IAD6:15 pmWashington, D.C. Dulles Intl
$460
Find similar

Air Canada flights from Washington, D.C. Dulles Intl Airport to Ireland

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
Air Canada
Oct 12
IAD8:16 amWashington, D.C. Dulles Intl
18h 59m
2 stops
DUB8:15 amDublin
Nov 14
DUB9:00 amDublin
16h 59m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$455
Find similar
Air Canada
Oct 31
IAD4:30 pmWashington, D.C. Dulles Intl
9h 40m
1 stop
DUB6:10 amDublin
Nov 3
DUB9:00 amDublin
11h 54m
1 stop
IAD3:54 pmWashington, D.C. Dulles Intl
$470
Find similar
Air Canada
Nov 4
IAD12:42 pmWashington, D.C. Dulles Intl
13h 28m
2 stops
DUB7:10 amDublin
Nov 9
DUB9:00 amDublin
16h 59m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$505
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Ireland 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 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ireland 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

lun. 10/20

10:05 pm-10:55 am

2 stops31h 50m

Dublin

mié. 10/29

7:05 pm-6:15 pm

1 stop27h 10m

$451

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mar. 10/28

9:00 am-6:10 am

1 stop17h 10m

Dublin

mar. 11/4

9:10 am-8:29 pm

2 stops16h 19m

$452

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

dom. 10/26

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

vie. 11/7

12:05 pm-3:20 pm

Nonstop8h 15m

$454

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mar. 11/4

5:05 pm-4:55 am

Nonstop6h 50m

Dublin

dom. 11/9

12:15 pm-3:35 pm

Nonstop8h 20m

$459

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

dom. 10/19

5:20 pm-5:10 am

Nonstop6h 50m

Dublin

sáb. 11/1

4:20 pm-8:30 pm

Nonstop8h 10m

$462

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mié. 11/19

10:20 pm-10:20 am

Nonstop7h 00m

Dublin

dom. 11/23

9:00 am-9:22 pm

2 stops41h 22m

$463

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mar. 12/2

7:40 pm-10:15 am

1 stop9h 35m

Dublin

vie. 12/12

11:30 am-6:30 pm

1 stop12h 00m

$466

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

vie. 12/5

7:40 pm-10:15 am

1 stop9h 35m

Dublin

mar. 12/16

11:30 am-6:30 pm

1 stop12h 00m

$489

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

mié. 11/26

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

mié. 1/14

7:50 am-7:55 pm

1 stop17h 05m

$584

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

dom. 10/19

5:50 pm-10:45 am

1 stop11h 55m

Cork

mar. 11/4

11:55 am-7:55 pm

1 stop13h 00m

$601

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 Ireland from

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

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 Ireland?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $581. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $599.

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

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $736. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. Dulles Intl Airport to Ireland on a Friday will generally be more expensive and average around $891. 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 Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Ireland in the afternoon for as low as $791. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $1,049.

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

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

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

You are more likely to see cheaper flights to Ireland from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $707 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Washington, D.C. Dulles Intl Airport for as low as $582 on momondo.

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

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

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

Cheap Washington, D.C. Dulles Intl Airport to Ireland flight deals and tips

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

Best Price Found

$437

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from Washington, D.C. Dulles Intl Airport in the past 72 hours is $437. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Ireland found on momondo in the last 72 hours is $574.
The fastest flight from Washington, D.C. Dulles Intl Airport to Ireland takes 6h 50m
Direct flights go from Washington, D.C. Dulles Intl Airport to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
Search flight deals

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

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

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

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

    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 Washington, D.C. Dulles Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland 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 Ireland. 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 Ireland?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Ireland with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $282Free CancellationRating
7.0
103 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $330Free CancellationRating
7.4
1,481 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $412Free CancellationRating
7.0
534 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $427Free CancellationRating
7.1
1,963 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $468Free CancellationRating
7.2
1,239 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $484Free CancellationRating
6.7
7,316 reviews
Search British Airways flights
United AirlinesPriceFrom $541Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
American AirlinesPriceFrom $547Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom $643Free CancellationRating
7.8
1,382 reviews
Search KLM flights
DeltaPriceFrom $644Free CancellationRating
7.9
7,977 reviews
Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ireland. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to Ireland from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your Ireland trip

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