Cheap flights from Washington, D.C. to Ireland from $223

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. to Ireland departing on 10/11. 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. to Ireland

Cheap round-trip flights

Icelandair Logo
7:40 pm - 10:15 amBWI-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:40 pmDUB-BWI
12h 10m1 stop
$414Icelandair
Find Deal
Mon, Dec 1 - Thu, Dec 11
KLM Logo
12:26 pm - 7:45 amBWI-DUB
15h 19m1 stop
KLM Logo
9:45 am - 6:40 pmDUB-BWI
13h 55m1 stop
$417KLM
Find Deal
Mon, Oct 27 - Wed, Nov 5
PLAY Logo
6:50 pm - 10:10 amBWI-DUB
10h 20m1 stop
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
$427PLAY
Find Deal
Sun, Sep 21 - Sat, Sep 27
United Airlines Logo
10:20 pm - 10:20 amIAD-DUB
7h 00mnonstop
United Airlines Logo
9:00 am - 3:51 pmDUB-IAD
11h 51m1 stop
$456United Airlines
Find Deal
Tue, Nov 4 - Fri, Nov 14
United Airlines Logo
6:30 am - 7:10 amDCA-DUB
43h 40m2 stops
United Airlines Logo
1:35 pm - 7:35 pmDUB-DCA
11h 00m1 stop
$459United Airlines
Find Deal
Mon, Nov 10 - Tue, Nov 18
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:20 pm - 7:30 pmDUB-IAD
8h 10mnonstop
$468Aer Lingus
Find Deal
Sun, Nov 2 - Thu, Nov 6
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:20 pm - 7:30 pmDUB-IAD
8h 10mnonstop
$474Aer Lingus
Find Deal
Mon, Dec 1 - Thu, Dec 11
PLAY Logo
6:50 pm - 10:20 amBWI-DUB
10h 30m1 stop
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
$474PLAY
Find Deal
Sat, Sep 27 - Sat, Oct 4
American Airlines Logo
10:45 pm - 4:10 pmIAD-SNN
12h 25m1 stop
American Airlines Logo
7:50 am - 3:35 pmSNN-IAD
12h 45m1 stop
$504American Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
American Airlines Logo
3:06 pm - 11:30 amBWI-SNN
16h 24m2 stops
American Airlines Logo
7:50 am - 6:45 pmSNN-BWI
15h 55m1 stop
$506American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5

KLM flights from Washington, D.C. to Ireland

Our best KLM deals on Washington, D.C. to Ireland flight tickets
KLM
Oct 27
BWI12:26 pmBaltimore/Washington
15h 19m
1 stop
DUB7:45 amDublin
Nov 5
DUB9:45 amDublin
13h 55m
1 stop
BWI6:40 pmBaltimore/Washington
KLM
Oct 27
BWI1:50 pmBaltimore/Washington
13h 55m
1 stop
DUB7:45 amDublin
Nov 5
DUB9:45 amDublin
12h 32m
1 stop
BWI5:17 pmBaltimore/Washington
KLM
Nov 12
DCA5:03 pmWashington, D.C. Reagan-National
10h 42m
1 stop
DUB8:45 amDublin
Nov 19
DUB9:45 amDublin
12h 33m
1 stop
DCA5:18 pmWashington, D.C. Reagan-National

Delta flights from Washington, D.C. to Ireland

Our best Delta deals on Washington, D.C. to Ireland flight tickets
Delta
Nov 4
BWI5:00 pmBaltimore/Washington
11h 20m
1 stop
DUB9:20 amDublin
Nov 11
DUB10:45 amDublin
27h 37m
2 stops
BWI9:22 amBaltimore/Washington
Delta
Oct 12
IAD7:05 amWashington, D.C. Dulles Intl
20h 40m
1 stop
DUB8:45 amDublin
Nov 14
DUB10:45 amDublin
13h 23m
1 stop
IAD7:08 pmWashington, D.C. Dulles Intl
Delta
Oct 27
DCA5:00 pmWashington, D.C. Reagan-National
11h 45m
1 stop
DUB8:45 amDublin
Nov 5
DUB10:45 amDublin
13h 14m
2 stops
DCA6:59 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 12/1

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Thu 12/11

11:30 am-6:40 pm

1 stop12h 10m

$414

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 10/27

12:26 pm-7:45 am

1 stop15h 19m

Dublin

Wed 11/5

9:45 am-6:40 pm

1 stop13h 55m

$417

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 9/21

6:50 pm-10:10 am

1 stop10h 20m

Dublin

Sat 9/27

11:35 am-5:40 pm

1 stop11h 05m

$427

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 11/4

10:20 pm-10:20 am

Nonstop7h 00m

Dublin

Fri 11/14

9:00 am-3:51 pm

1 stop11h 51m

$456

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 11/10

6:30 am-7:10 am

2 stops43h 40m

Dublin

Tue 11/18

1:35 pm-7:35 pm

1 stop11h 00m

$459

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 11/2

5:05 pm-4:55 am

Nonstop6h 50m

Dublin

Thu 11/6

4:20 pm-7:30 pm

Nonstop8h 10m

$468

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 12/1

5:05 pm-4:55 am

Nonstop6h 50m

Dublin

Thu 12/11

4:20 pm-7:30 pm

Nonstop8h 10m

$474

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sat 9/27

6:50 pm-10:20 am

1 stop10h 30m

Dublin

Sat 10/4

11:35 am-5:40 pm

1 stop11h 05m

$474

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 10/19

10:45 pm-4:10 pm

1 stop12h 25m

Shannon

Tue 11/4

7:50 am-3:35 pm

1 stop12h 45m

$504

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 10/29

3:06 pm-11:30 am

2 stops16h 24m

Shannon

Wed 11/5

7:50 am-6:45 pm

1 stop15h 55m

$506

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. 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. to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $528. If you aren’t able to travel to Ireland during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $559.

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 $739. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. to Ireland on a Friday will generally be more expensive and average around $894. 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. to Ireland in the afternoon for as low as $792. 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. to Ireland flight route?

Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. - 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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $702 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. for as low as $581 on momondo.

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

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

You could potentially save up to 39% on your flight if you consider stops on a Washington, D.C. to Ireland flight.

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

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

Best Price Found

$465

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. in the past 72 hours is $465. The best round-trip flight deal from Washington, D.C. to Ireland found on momondo in the last 72 hours is $591.
The fastest flight from Washington, D.C. to Ireland takes 6h 50m
Direct flights go from Washington, D.C. to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
  • When did momondo last update prices for flights from Washington, D.C. to Ireland?

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

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

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

Best airlines flying from Washington, D.C. to Ireland

Compare and see reviews for airlines that fly from Washington, D.C. to Ireland with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $275Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $399Free CancellationRating
7.0
544 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $427Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $435Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom $457Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $465Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $472Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $496Free CancellationRating
7.9
7,957 reviews
Search Delta flights
JetBluePriceFrom $507Free CancellationRating
7.2
2,914 reviews
Search JetBlue 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?

momondo does allow users to show only those flights to Ireland from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

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

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.

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1 adult
Thu 10/16
Thu 10/23

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