Cheap flights from Washington, D.C. Dulles Intl Airport to Ireland from €217

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 30/9. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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. Dulles Intl Airport to Ireland

Cheap return flights

Scandinavian Airlines Logo
22:05 - 10:55IAD-DUB
31h 50m2 stops
Scandinavian Airlines Logo
19:05 - 18:15DUB-IAD
27h 10m1 stop
€387Scandinavian Airlines
Find Deal
Mon, 20 Oct - Wed, 29 Oct
 Logo
09:00 - 06:10IAD-DUB
17h 10m1 stop
 Logo
09:10 - 20:29DUB-IAD
16h 19m2 stops
€388
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Lufthansa Logo
22:55 - 17:10IAD-DUB
13h 15m1 stop
Lufthansa Logo
10:50 - 20:05DUB-IAD
14h 15m1 stop
€388Lufthansa
Find Deal
Mon, 8 Dec - Mon, 15 Dec
United Airlines Logo
23:20 - 10:20IAD-DUB
7h 00mdirect
United Airlines Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
€389United Airlines
Find Deal
Sun, 26 Oct - Fri, 7 Nov
Air Canada Logo
14:25 - 08:15IAD-DUB
12h 50m1 stop
Air Canada Logo
09:00 - 20:59DUB-IAD
16h 59m2 stops
€390Air Canada
Find Deal
Sun, 12 Oct - Fri, 14 Nov
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
€394Aer Lingus
Find Deal
Tue, 4 Nov - Sun, 9 Nov
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
Aer Lingus Logo
16:20 - 20:30DUB-IAD
8h 10mdirect
€396Aer Lingus
Find Deal
Sun, 19 Oct - Sat, 1 Nov
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
United Airlines Logo
09:00 - 21:22DUB-IAD
41h 22m2 stops
€397United Airlines
Find Deal
Wed, 19 Nov - Sun, 23 Nov
Lufthansa Logo
22:15 - 10:20IAD-DUB
7h 05mdirect
Lufthansa Logo
05:10 - 15:50DUB-IAD
15h 40m1 stop
€398Lufthansa
Find Deal
Sun, 12 Oct - Fri, 14 Nov
Air Canada Logo
16:30 - 06:10IAD-DUB
9h 40m1 stop
Air Canada Logo
09:00 - 15:54DUB-IAD
11h 54m1 stop
€403Air Canada
Find Deal
Fri, 31 Oct - Mon, 3 Nov

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
20 Oct
IAD22:05Washington, D.C. Dulles Intl
31h 50m
2 stops
DUB10:55Dublin
29 Oct
DUB19:05Dublin
27h 10m
1 stop
IAD18:15Washington, D.C. Dulles Intl
Scandinavian Airlines
19 Oct
IAD22:05Washington, D.C. Dulles Intl
15h 10m
1 stop
DUB18:15Dublin
28 Oct
DUB19:05Dublin
27h 10m
1 stop
IAD18:15Washington, D.C. Dulles Intl
Scandinavian Airlines
23 Oct
IAD22:05Washington, D.C. Dulles Intl
16h 05m
2 stops
DUB19:10Dublin
28 Oct
DUB11:30Dublin
34h 45m
2 stops
IAD18:15Washington, D.C. Dulles Intl

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
12 Oct
IAD14:25Washington, D.C. Dulles Intl
12h 50m
1 stop
DUB08:15Dublin
14 Nov
DUB09:00Dublin
16h 59m
2 stops
IAD20:59Washington, D.C. Dulles Intl
Air Canada
31 Oct
IAD16:30Washington, D.C. Dulles Intl
9h 40m
1 stop
DUB06:10Dublin
3 Nov
DUB09:00Dublin
11h 54m
1 stop
IAD15:54Washington, D.C. Dulles Intl
Air Canada
4 Nov
IAD12:42Washington, D.C. Dulles Intl
13h 28m
2 stops
DUB07:10Dublin
9 Nov
DUB09:00Dublin
16h 59m
2 stops
IAD20:59Washington, D.C. Dulles Intl

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 28 August 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

Mon 20/10

22:05-10:55

2 stops31h 50m

Dublin

Wed 29/10

19:05-18:15

1 stop27h 10m

€387

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 28/10

09:00-06:10

1 stop17h 10m

Dublin

Tue 4/11

09:10-20:29

2 stops16h 19m

€388

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 8/12

22:55-17:10

1 stop13h 15m

Dublin

Mon 15/12

10:50-20:05

1 stop14h 15m

€388

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 26/10

23:20-10:20

Nonstop7h 00m

Dublin

Fri 7/11

12:05-15:20

Nonstop8h 15m

€389

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 12/10

14:25-08:15

1 stop12h 50m

Dublin

Fri 14/11

09:00-20:59

2 stops16h 59m

€390

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/11

17:05-04:55

Nonstop6h 50m

Dublin

Sun 9/11

12:15-15:35

Nonstop8h 20m

€394

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 19/10

17:20-05:10

Nonstop6h 50m

Dublin

Sat 1/11

16:20-20:30

Nonstop8h 10m

€396

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 19/11

22:20-10:20

Nonstop7h 00m

Dublin

Sun 23/11

09:00-21:22

2 stops41h 22m

€397

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 12/10

22:15-10:20

Nonstop7h 05m

Dublin

Fri 14/11

05:10-15:50

1 stop15h 40m

€398

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fri 31/10

16:30-06:10

1 stop9h 40m

Dublin

Mon 3/11

09:00-15:54

1 stop11h 54m

€403

Flights are sorted by cheapest return 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. 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?

The month of February is another great option to travel to Ireland, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around €514.

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 Wednesday when prices can be found for as low as €623. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €850. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Ireland when you can find flight prices for as low as €625. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around €691.

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 €606 when searching weeks before you fly. 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 €499 on momondo.

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

There are 2 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

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Ireland

1 airport
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)
  • 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 updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Ireland?

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. All flights to Ireland 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 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?

Of course. momondo tracks the price of Washington, D.C. to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise 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
Tue 2/9
Tue 9/9

Find better results for your trip to Ireland

Popular Cities in Ireland

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