How many flights depart from Ireland to Washington, D.C. Dulles Intl Airport on average per day?

As of September 2025, there are 12 flights per day flying from Ireland to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 12:00PM, with 84% of flights taking off in the afternoon.

What airlines fly to Washington, D.C. Dulles Intl Airport?

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Ireland according to our data. Aer Lingus is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ireland to Washington, D.C. Dulles Intl?

TAP AIR PORTUGAL and Aer Lingus are the most popular carriers operating from Ireland to Washington, D.C. Dulles Intl

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Ireland to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of Dublin and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 7h 55m on average. Another popular route from Ireland to Washington, D.C. Dulles Intl Airport is flying from Shannon to Washington, D.C. Dulles Intl Airport, which will take roughly 12h 45m. Keep in mind that layovers or delays could extend your travel time.

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

As of September 2025, there are 3 operators available to choose from for flights from Ireland to Washington, D.C. Dulles Intl Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$340 Cheap Flights from Ireland to Washington, D.C. Dulles Intl Airport in 2025/26

Q: How many flights depart from Ireland to Washington, D.C. Dulles Intl Airport on average per week?

As of September 2025, there are 87 flights per week flying from Ireland to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

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Recent round-trip flight deals from Ireland to Washington, D.C.

11:30 am - 7:30 pmDUB-IAD

12h 00m1 stop

7:40 pm - 10:15 amIAD-DUB

9h 35m1 stop

$370Icelandair

Find Deal

Thu, Oct 30 - Wed, Nov 5

11:30 am - 6:30 pmDUB-IAD

12h 00m1 stop

7:40 pm - 10:15 amIAD-DUB

9h 35m1 stop

$371Icelandair

Find Deal

Wed, Nov 26 - Thu, Dec 4

9:15 am - 8:15 pmDUB-IAD

16h 00m1 stop

10:20 pm - 10:20 amIAD-DUB

7h 00mnonstop

$395Lufthansa

Find Deal

Sat, Nov 22 - Fri, Nov 28

8:50 am - 3:35 pmDUB-IAD

11h 45m1 stop

6:20 pm - 12:10 pmIAD-DUB

12h 50m1 stop

$411British Airways

Find Deal

Tue, Nov 11 - Tue, Nov 18

12:05 pm - 3:20 pmDUB-IAD

8h 15mnonstop

10:20 pm - 10:20 amIAD-DUB

7h 00mnonstop

$412Lufthansa

Find Deal

Sat, Nov 22 - Fri, Nov 28

4:20 pm - 7:30 pmDUB-IAD

8h 10mnonstop

5:05 pm - 4:55 amIAD-DUB

6h 50mnonstop

$422Aer Lingus

Find Deal

Mon, Nov 24 - Fri, Nov 28

12:15 pm - 3:35 pmDUB-IAD

8h 20mnonstop

5:05 pm - 4:55 amIAD-DUB

6h 50mnonstop

$426Aer Lingus

Find Deal

Mon, Nov 10 - Mon, Nov 17

8:40 pm - 8:55 pmDUB-IAD

28h 15m1 stop

9:45 pm - 7:55 amIAD-DUB

29h 10m1 stop

$430British Airways

Find Deal

Thu, Oct 30 - Thu, Nov 6

9:00 am - 3:51 pmDUB-IAD

11h 51m1 stop

10:20 pm - 10:20 amIAD-DUB

7h 00mnonstop

$443United Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

9:00 am - 3:51 pmDUB-IAD

11h 51m1 stop

10:20 pm - 10:20 amIAD-DUB

7h 00mnonstop

$444United Airlines

Find Deal

Sat, Nov 22 - Sun, Nov 30

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

Our best Icelandair deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets

Icelandair

Oct 30

DUB11:30 amDublin

12h 00m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

Nov 5

IAD7:40 pmWashington, D.C. Dulles Intl

9h 35m

1 stop

DUB10:15 amDublin

$370

Find similar

Icelandair

Nov 26

DUB11:30 amDublin

12h 00m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Dec 4

IAD7:40 pmWashington, D.C. Dulles Intl

9h 35m

1 stop

DUB10:15 amDublin

$371

Find similar

Icelandair

Nov 26

DUB11:30 amDublin

12h 00m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Dec 4

IAD7:40 pmWashington, D.C. Dulles Intl

9h 35m

1 stop

DUB10:15 amDublin

$372

Find similar

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

Our best Lufthansa deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets

Lufthansa

Nov 22

DUB9:15 amDublin

16h 00m

1 stop

IAD8:15 pmWashington, D.C. Dulles Intl

Nov 28

IAD10:20 pmWashington, D.C. Dulles Intl

7h 00m

DUB10:20 amDublin

$395

Find similar

Lufthansa

Nov 22

DUB12:05 pmDublin

8h 15m

IAD3:20 pmWashington, D.C. Dulles Intl

Nov 28

IAD10:20 pmWashington, D.C. Dulles Intl

7h 00m

DUB10:20 amDublin

$412

Find similar

Lufthansa

Nov 11

DUB11:45 amDublin

13h 30m

1 stop

IAD8:15 pmWashington, D.C. Dulles Intl

Nov 18

IAD10:20 pmWashington, D.C. Dulles Intl

7h 00m

DUB10:20 amDublin

$416

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Ireland to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 10/30

11:30 am-7:30 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

Wed 11/5

7:40 pm-10:15 am

1 stop9h 35m

$370

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/26

11:30 am-6:30 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

Thu 12/4

7:40 pm-10:15 am

1 stop9h 35m

$371

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 11/22

9:15 am-8:15 pm

1 stop16h 00m

Washington, D.C. Dulles Intl

Fri 11/28

10:20 pm-10:20 am

Nonstop7h 00m

$395

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 11/11

8:50 am-3:35 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Tue 11/18

6:20 pm-12:10 pm

1 stop12h 50m

$411

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 11/22

12:05 pm-3:20 pm

Nonstop8h 15m

Washington, D.C. Dulles Intl

Fri 11/28

10:20 pm-10:20 am

Nonstop7h 00m

$412

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 11/24

4:20 pm-7:30 pm

Nonstop8h 10m

Washington, D.C. Dulles Intl

Fri 11/28

5:05 pm-4:55 am

Nonstop6h 50m

$422

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 11/10

12:15 pm-3:35 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Mon 11/17

5:05 pm-4:55 am

Nonstop6h 50m

$426

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 10/30

8:40 pm-8:55 pm

1 stop28h 15m

Washington, D.C. Dulles Intl

Thu 11/6

9:45 pm-7:55 am

1 stop29h 10m

$430

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 11/22

9:00 am-3:51 pm

1 stop11h 51m

Washington, D.C. Dulles Intl

Fri 11/28

10:20 pm-10:20 am

Nonstop7h 00m

$443

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 11/22

9:00 am-3:51 pm

1 stop11h 51m

Washington, D.C. Dulles Intl

Sun 11/30

10:20 pm-10:20 am

Nonstop7h 00m

$444

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Ireland to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $501. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $503.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Sunday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $733. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Washington, D.C. Dulles Intl Airport for around $850.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Ireland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $580 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $817 on average. Flights to Washington, D.C. Dulles Intl Airport from Ireland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $605 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Ireland for as low as $474 on momondo.

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

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

You could potentially save up to 1% on your flight if you consider stops on a Ireland to Washington, D.C. Dulles Intl Airport flight.

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

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

Best Price Found	$519
Fastest flight time	7h 55m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Ireland in the past 72 hours is $519. The best round-trip flight deal from Ireland to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $536.

The fastest flight from Ireland to Washington, D.C. Dulles Intl Airport takes 7h 55m

Direct flights go from Ireland to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from Ireland to Washington, D.C. Dulles Intl Airport?
Prices for flights from Ireland to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Ireland to Washington, D.C. Dulles Intl Airport?
As of September 2025, there are 3 operators available to choose from for flights from Ireland to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Ireland to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Ireland to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Ireland to Washington, D.C. Dulles Intl Airport is Boeing 757-200, representing 31.33% of all bookings. The subsequent popular models are Airbus A321neo at 21.06%, Airbus A330-300 at 14.89%, and Airbus A321-100/200 at 9.65%.

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

Compare and see reviews for airlines that fly from Ireland to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $425	Free Cancellation	Rating 7.0 546 reviews	Search Icelandair flights
Aer Lingus	PriceFrom $457	Free Cancellation	Rating 7.2 1,306 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $612	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights

Alexandria

Gettysburg

National Harbor

Arlington

Winchester

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Harpers Ferry

Towson

Rockville

Manassas

Fairfax

Reston

Glen Burnie

Gaithersburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Ireland.

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

Flights from Ireland to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Ireland to Washington, D.C. 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 Ireland to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Washington, D.C. Dulles Intl Airport flight routes

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Cheap flights from Ireland to Washington, D.C. from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 11/3. 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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Icelandair flights from Ireland to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets

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

Our best Lufthansa deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets

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

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 Washington, D.C. Dulles Intl Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

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

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

You could potentially save up to 1% on your flight if you consider stops on a Ireland to Washington, D.C. Dulles Intl Airport flight.

What is the cheapest airline that flies from Ireland to Washington, D.C. Dulles Intl?

TAP AIR PORTUGAL and Aer Lingus are the most popular carriers operating from Ireland to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

How many flights depart from Ireland to Washington, D.C. Dulles Intl Airport on average per day?

As of September 2025, there are 12 flights per day flying from Ireland to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 12:00PM, with 84% of flights taking off in the afternoon.

How many flights depart from Ireland to Washington, D.C. Dulles Intl Airport on average per week?

As of September 2025, there are 87 flights per week flying from Ireland to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

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

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

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

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

Compare and see reviews for airlines that fly from Ireland to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. Dulles Intl Airport 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.

Find better results for your trip to Washington, D.C.

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