Cheap flights from Washington, D.C. to Ireland from $220

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Ireland

Cheap round-trip flights

PLAY Logo
6:50 pm - 10:10 amBWI-DUB
10h 20m1 stop
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
$323PLAY
Find Deal
Wed, Sep 17 - Sun, Sep 21
PLAY Logo
6:50 pm - 10:05 amBWI-DUB
10h 15m1 stop
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
$328PLAY
Find Deal
Fri, Sep 19 - Fri, Sep 26
Aer Lingus Logo
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
12:50 pm - 3:50 pmDUB-IAD
8h 00mnonstop
$401Aer Lingus
Find Deal
Sun, Sep 14 - Tue, Sep 23
Aer Lingus Logo
8:25 pm - 8:15 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:35 pm - 7:30 pmDUB-IAD
7h 55mnonstop
$403Aer Lingus
Find Deal
Mon, Sep 8 - Wed, Sep 17
Icelandair Logo
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:20 pmDUB-IAD
11h 50m1 stop
$428Icelandair
Find Deal
Fri, Nov 14 - Sat, Nov 22
Icelandair Logo
8:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:20 pmDUB-IAD
11h 50m1 stop
$431Icelandair
Find Deal
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
10:35 pm - 8:10 amIAD-DUB
28h 35m1 stop
United Airlines Logo
9:00 am - 4:11 pmDUB-IAD
36h 11m2 stops
$451United Airlines
Find Deal
Sun, Nov 23 - Wed, Dec 3
United Airlines Logo
10:19 pm - 9:45 amIAD-DUB
30h 26m1 stop
United Airlines Logo
9:50 am - 11:33 amDUB-IAD
30h 43m2 stops
$455United Airlines
Find Deal
Tue, Aug 12 - Tue, Aug 26
American Airlines Logo
6:20 pm - 11:10 amIAD-ORK
11h 50m1 stop
American Airlines Logo
7:40 am - 3:35 pmORK-IAD
12h 55m1 stop
$482American Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 16
American Airlines Logo
8:35 pm - 3:25 pmBWI-ORK
13h 50m1 stop
American Airlines Logo
11:55 am - 6:45 pmORK-BWI
11h 50m1 stop
$485American Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3

TAP AIR PORTUGAL flights from Washington, D.C. to Ireland

Our best TAP AIR PORTUGAL deals on Washington, D.C. to Ireland flight tickets
TAP AIR PORTUGAL
Sep 7
IAD10:20 pmWashington, D.C. Dulles Intl
14h 45m
1 stop
DUB6:05 pmDublin
Sep 16
DUB6:50 pmDublin
25h 30m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Oct 22
IAD10:20 pmWashington, D.C. Dulles Intl
14h 45m
1 stop
DUB6:05 pmDublin
Nov 5
DUB4:55 pmDublin
27h 20m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Oct 22
IAD10:20 pmWashington, D.C. Dulles Intl
14h 45m
1 stop
DUB6:05 pmDublin
Nov 5
DUB4:55 pmDublin
27h 20m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl

United Airlines flights from Washington, D.C. to Ireland

Our best United Airlines deals on Washington, D.C. to Ireland flight tickets
United Airlines
Nov 23
IAD10:35 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
DUB8:10 amDublin
Dec 3
DUB9:00 amDublin
36h 11m
2 stops
IAD4:11 pmWashington, D.C. Dulles Intl
United Airlines
Aug 12
IAD10:19 pmWashington, D.C. Dulles Intl
30h 26m
1 stop
DUB9:45 amDublin
Aug 26
DUB9:50 amDublin
30h 43m
2 stops
IAD11:33 amWashington, D.C. Dulles Intl
United Airlines
Aug 11
IAD7:05 pmWashington, D.C. Dulles Intl
7h 05m
DUB7:10 amDublin
Aug 21
DUB9:20 amDublin
16h 41m
1 stop
IAD9:01 pmWashington, D.C. Dulles Intl

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 August 2, 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

Wed 9/17

6:50 pm-10:10 am

1 stop10h 20m

Dublin

Sun 9/21

11:35 am-5:40 pm

1 stop11h 05m

$323

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Fri 9/19

6:50 pm-10:05 am

1 stop10h 15m

Dublin

Fri 9/26

11:35 am-5:40 pm

1 stop11h 05m

$328

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 9/14

5:20 pm-5:10 am

Nonstop6h 50m

Dublin

Tue 9/23

12:50 pm-3:50 pm

Nonstop8h 00m

$401

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 9/8

8:25 pm-8:15 am

Nonstop6h 50m

Dublin

Wed 9/17

4:35 pm-7:30 pm

Nonstop7h 55m

$403

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fri 11/14

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Sat 11/22

11:30 am-6:20 pm

1 stop11h 50m

$428

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 10/30

8:40 pm-10:15 am

1 stop9h 35m

Dublin

Thu 11/6

11:30 am-6:20 pm

1 stop11h 50m

$431

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 11/23

10:35 pm-8:10 am

1 stop28h 35m

Dublin

Wed 12/3

9:00 am-4:11 pm

2 stops36h 11m

$451

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 8/12

10:19 pm-9:45 am

1 stop30h 26m

Dublin

Tue 8/26

9:50 am-11:33 am

2 stops30h 43m

$455

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Mon 12/1

6:20 pm-11:10 am

1 stop11h 50m

Cork

Tue 12/16

7:40 am-3:35 pm

1 stop12h 55m

$482

BaltimoreCork

BWI - ORK

BWIORK

Baltimore/Washington

Wed 11/26

8:35 pm-3:25 pm

1 stop13h 50m

Cork

Wed 12/3

11:55 am-6:45 pm

1 stop11h 50m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $527. 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 $552.

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 Sunday when prices can be found for as low as $453. 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 Monday will generally be more expensive and average around $701. 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 $475. 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 $996.

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 $561 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 $476 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 64% 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

$220

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Ireland

2 airports
The best one-way flight to Ireland from Washington, D.C. in the past 72 hours is $220. The best round-trip flight deal from Washington, D.C. to Ireland found on momondo in the last 72 hours is $323.
The fastest flight from Washington, D.C. to Ireland takes 6h 50m
Direct flights go from Washington, D.C. to Ireland every day.
There are 2 airports near Ireland: Dublin (DUB), Shannon (SNN)

  • 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 $284Free CancellationRating
7.0
102 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $330Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $424Free CancellationRating
7.0
520 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $428Free CancellationRating
7.1
1,936 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $457Free CancellationRating
7.1
1,193 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $457Free CancellationRating
6.6
7,224 reviews
Search British Airways flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
DeltaPriceFrom $500Free CancellationRating
8.0
7,983 reviews
Search Delta flights
JetBluePriceFrom $526Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
KLMPriceFrom $544Free CancellationRating
7.8
1,384 reviews
Search KLM 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/7
Thu 8/14

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo