What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?

Currently priced at $523, Scandinavian Airlines will fly you from Dublin to Washington, D.C. Dulles Intl Airport and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Aer Lingus - these airlines can fly you to your destination from $526 and $535, respectively. Scandinavian Airlines is 9% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Dublin to Washington, D.C. Dulles Intl Airport one-way?

For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $462. Users have also found prices from $465 and $470 on TAP AIR PORTUGAL and Icelandair, respectively.

What is the cheapest day to fly from Dublin to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Dublin to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from Dublin to Washington, D.C. Dulles Intl Airport?

The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is $489. On average you can expect to pay $1,176. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $380.

What are the most reliable airlines from Dublin to Washington, D.C. Dulles Intl Airport?

Before booking your flight to Washington, D.C. Dulles Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: SWISS (83%), Lufthansa (80%), American Airlines( 78%).

What are the most popular airlines that fly from Dublin to Washington, D.C. Dulles Intl Airport?

Consider Aer Lingus, Icelandair or United Airlines when booking your flight. These represent the most popular airlines when flying from Dublin to Washington, D.C. Dulles Intl Airport.

What is the cheapest day to fly round-trip from Dublin to Washington, D.C. Dulles Intl Airport?

Travelers have found that booking a Sunday departure is the best way to save up to 30% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Our data shows that January tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Dublin. Users have commonly found prices around $569 for the month, but tickets can be as low as $274. Due to multiple factors, prepare for potentially higher prices in August.

What airport do you fly from for flights from Dublin to Washington, D.C. Dulles Intl?

Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Dublin; the airport handles an average of 12 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Dublin airport to Washington, D.C. Dulles Intl. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Dublin to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dublin to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Dulles Intl.

Can I find deals for business class flights from Dublin to Dulles Intl?

Yes. Cheapflights offers flight deals from Dublin to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$462+ Flights from Dublin to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in February or January, booked 73 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Dublin to Dulles Intl

Round-trip from	$523 (Mytrip)
One-way from	$462 (Thrive Travel)
Popular in	July
Cheapest in	February
Average price	$724
Good round-trip deal	$701 or less
Good one-way deal	$565 or less

From Dublin to Washington, D.C. Dulles Intl

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One-way flight from Dublin to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($103 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Dublin to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Dublin to Washington, D.C. Dulles Intl.

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Find flight deals from Dublin to Dulles Intl

Cheapest flights from Dublin to Dulles Intl
Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Fri 12/2611:30 amDUB - IAD

1 stop11h 50mIcelandair

Thu 1/17:40 pmIAD - DUB

1 stop9h 35mIcelandair

Deal found 7/1

$518

Mon 10/1312:20 pmDUB - IAD

2 stops36h 39mScandinavian Airlines

Sat 10/1810:05 pmIAD - DUB

2 stops32h 25mScandinavian Airlines

Deal found 7/2

$519

Tue 9/98:55 amDUB - IAD

1 stop11h 40mDelta

Tue 9/238:17 pmIAD - DUB

2 stops13h 43mDelta

Deal found 6/30

$526

Fri 8/2912:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Sun 8/318:25 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 6/30

$535

Fri 12/1912:05 pmDUB - IAD

Nonstop8h 15mUnited Airlines

Sun 1/410:20 pmIAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 6/30

$536

Fri 12/2612:05 pmDUB - IAD

Nonstop8h 15mLufthansa

Thu 1/110:20 pmIAD - DUB

Nonstop7h 00mLufthansa

Deal found 6/30

$538

Fri 12/1912:05 pmDUB - IAD

Nonstop8h 15mMultiple Airlines

Sat 1/1012:40 pmIAD - DUB

1 stop13h 30mMultiple Airlines

Deal found 6/30

$543

Wed 11/54:25 amDUB - IAD

1 stop15h 50mTAP AIR PORTUGAL

Mon 11/105:30 pmIAD - DUB

1 stop17h 40mTAP AIR PORTUGAL

Deal found 7/2

$581

Best flights from Dublin to Dulles Intl
Discover carefully curated flight deals from Dublin to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Sat 8/2310:15 amDUB - IAD

1 stop14h 44mScandinavian Airlines

Mon 9/110:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Deal found 6/30

$523

Tue 9/98:55 amDUB - IAD

1 stop11h 40mDelta

Tue 9/238:17 pmIAD - DUB

2 stops13h 43mDelta

Deal found 6/30

$526

Fri 8/2912:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Sun 8/318:25 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 6/30

$535

Fri 8/295:55 amDUB - IAD

1 stop14h 55mLufthansa

Sun 8/3110:15 pmIAD - DUB

Nonstop7h 05mLufthansa

Deal found 6/30

$574

Thu 8/289:20 amDUB - IAD

1 stop11h 58mUnited Airlines

Mon 9/110:15 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Deal found 6/30

$591

Tue 9/912:50 pmDUB - IAD

Nonstop8h 00mMultiple Airlines

Tue 9/235:50 pmIAD - DUB

1 stop13h 05mMultiple Airlines

Deal found 6/30

$595

Wed 7/912:15 pmDUB - IAD

1 stop14h 55mIcelandair

Wed 7/3011:15 pmIAD - DUB

1 stop9h 00mIcelandair

Deal found 6/30

$615

Mon 8/186:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Sat 8/235:00 pmIAD - DUB

1 stop26h 05mTAP AIR PORTUGAL

Deal found 7/2

$625

Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated July 2, 2025 and is based on user searches.

Tue 7/88:15 pmDUB - IAD

1 stop28h 44mScandinavian Airlines

Wed 7/3010:05 pmIAD - DUB

1 stop16h 20mScandinavian Airlines

Deal found 7/1

$669

Tue 7/86:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Tue 7/155:00 pmIAD - DUB

1 stop25h 55mTAP AIR PORTUGAL

Deal found 7/2

$776

Wed 7/912:15 pmDUB - IAD

1 stop14h 55mIcelandair

Wed 7/3011:15 pmIAD - DUB

1 stop9h 00mIcelandair

Deal found 6/30

$615

Wed 7/912:40 pmDUB - IAD

1 stop11h 56mMultiple Airlines

Thu 7/2410:40 pmIAD - DUB

1 stop30h 00mMultiple Airlines

Deal found 6/30

$644

Wed 7/912:40 pmDUB - IAD

1 stop11h 56mAmerican Airlines

Thu 7/241:19 pmIAD - DUB

1 stop11h 11mAmerican Airlines

Deal found 6/30

$664

Wed 7/99:50 amDUB - IAD

1 stop28h 47mUnited Airlines

Thu 7/247:05 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Deal found 6/30

$716

Wed 7/98:55 amDUB - IAD

1 stop11h 40mDelta

Thu 7/248:31 pmIAD - DUB

2 stops13h 29mDelta

Deal found 6/30

$742

Fri 7/119:20 amDUB - IAD

1 stop26h 01mAir Canada

Wed 7/168:18 amIAD - DUB

2 stops18h 27mAir Canada

Deal found 6/30

$720

Fri 7/118:45 amDUB - IAD

1 stop12h 30mSWISS

Thu 7/178:45 pmIAD - DUB

2 stops17h 45mSWISS

Deal found 6/30

$765

Sat 7/1212:30 pmDUB - IAD

Nonstop8h 00mLufthansa

Sat 7/2610:15 pmIAD - DUB

Nonstop7h 05mLufthansa

Deal found 6/30

$719

Mon 8/186:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Sat 8/235:00 pmIAD - DUB

1 stop26h 05mTAP AIR PORTUGAL

Deal found 7/2

$625

Sat 8/2310:15 amDUB - IAD

1 stop14h 44mScandinavian Airlines

Mon 9/110:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Deal found 6/30

$523

One-way flights from Dublin to Dulles Intl
Search for one-way flight options from Dublin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Mon 9/297:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Deal found 7/2

$462

Wed 8/2710:45 amDUB - IAD

1 stop15h 05mTAP AIR PORTUGAL

Deal found 7/1

$465

Sat 9/272:15 pmDUB - IAD

1 stop10h 05mIcelandair

Deal found 7/1

$470

Wed 9/312:50 pmDUB - IAD

2 stops28h 56mMultiple Airlines

Deal found 7/1

$473

Wed 9/104:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 7/2

$501

Thu 8/2812:30 pmDUB - IAD

Nonstop8h 00mLufthansa

Deal found 6/30

$557

Tue 7/84:55 pmDUB - IAD

1 stop23h 50mTurkish Airlines

Deal found 6/30

$605

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin 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

Sat 8/23

10:15 am-7:59 pm

1 stop14h 44m

Washington, D.C. Dulles Intl

Mon 9/1

10:05 pm-11:50 am

1 stop32h 45m

$523

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 9/9

8:55 am-3:35 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Tue 9/23

8:17 pm-3:00 pm

2 stops13h 43m

$526

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 8/29

12:50 pm-3:50 pm

Nonstop8h 00m

Washington, D.C. Dulles Intl

Sun 8/31

8:25 pm-8:15 am

Nonstop6h 50m

$535

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 8/29

5:55 am-3:50 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Sun 8/31

10:15 pm-10:20 am

Nonstop7h 05m

$574

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 8/28

9:20 am-4:18 pm

1 stop11h 58m

Washington, D.C. Dulles Intl

Mon 9/1

10:15 pm-10:20 am

Nonstop7h 05m

$591

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 9/9

12:50 pm-3:50 pm

Nonstop8h 00m

Washington, D.C. Dulles Intl

Tue 9/23

5:50 pm-11:55 am

1 stop13h 05m

$595

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 7/9

12:15 pm-10:10 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Wed 7/30

11:15 pm-1:15 pm

1 stop9h 00m

$615

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 8/18

6:50 pm-3:20 pm

1 stop25h 30m

Washington, D.C. Dulles Intl

Sat 8/23

5:00 pm-12:05 am

1 stop26h 05m

$625

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 9/29

7:05 pm-7:59 pm

1 stop29h 54m

$462

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 8/27

10:45 am-8:50 pm

1 stop15h 05m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 14 results

The best insider tips for Dublin to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Washington, D.C. Dulles Intl Airport trip

Airlines

Aer Lingus

Pre-clear US immigration in Dublin, saving time upon arrival in the US.

Enjoy a complimentary hot meal and drinks on transatlantic flights.

Read more about Aer Lingusby Evie Carrick

United Airlines

Polaris passengers access exclusive lounges with showers and dining at IAD.

Premium Plus offers extra legroom and upgraded meals on international flights.

Read more about United Airlinesby Harriet Baskas

Airports

DUB

For US travelers, preclearance at DUB can be time-consuming. Allow 30-45 minutes after security to complete this process.

IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap city transit option.

Our travel experts

Evie Carrick

Expert on Aer Lingus

Harriet Baskas

Expert on United Airlines

James March

Expert on DUB

Ramsey Qubein

Expert on IAD

Best time to book a flight from Dublin to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dublin with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

The price you pay for your flight from Dublin to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to IAD?

It’s typically best to fly out from Dublin to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport

The most flights from DUB to IAD are scheduled on a Wednesday (14 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Dublin to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Dublin to Washington, D.C. Dulles Intl Airport, such as Delta, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,983 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Turkish Airlines

7.3

Good

3,891 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Scandinavian Airlines

7.3

Good

1,415 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Aer Lingus

7.1

Good

1,141 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Dublin to Washington, D.C. Dulles Intl?
Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Dublin; the airport handles an average of 12 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Dublin airport to Washington, D.C. Dulles Intl. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.
What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $523, Scandinavian Airlines will fly you from Dublin to Washington, D.C. Dulles Intl Airport and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Aer Lingus - these airlines can fly you to your destination from $526 and $535, respectively. Scandinavian Airlines is 9% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Dublin to Washington, D.C. Dulles Intl Airport one-way?
For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $462. Users have also found prices from $465 and $470 on TAP AIR PORTUGAL and Icelandair, respectively.
What are the most reliable airlines from Dublin to Washington, D.C. Dulles Intl Airport?
Before booking your flight to Washington, D.C. Dulles Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: SWISS (83%), Lufthansa (80%), American Airlines( 78%).
What are the cheapest flights from Dublin to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is $489. On average you can expect to pay $1,176. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $380.
Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Dublin to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dublin to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Dulles Intl.
Can I find deals for business class flights from Dublin to Dulles Intl?
Yes. Cheapflights offers flight deals from Dublin to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 3 airlines flying from Dublin to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$425	Average$603	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$446	Average$610	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$569	Average$756	FlexibilityNo cancel fee	On-time69%

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$462+ Cheap flights from Dublin (DUB) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dublin to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in February or January, booked 73 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Dublin to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dublin to Dulles Intl

Cheapest flights from Dublin to Dulles IntlExplore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

The best insider tips for Dublin to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Washington, D.C. Dulles Intl Airport trip

Airlines

Aer Lingus

United Airlines

Airports

DUB

IAD

Our travel experts

Best time to book a flight from Dublin to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dublin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Dulles Intl. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from DUB to IAD?

Find hourly flight availability from Dublin to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Dublin to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 2, 2025.

How much does it cost to fly round-trip from Dublin to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Dublin to Washington, D.C. Dulles Intl Airport, such as Delta, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Dublin to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Dublin to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from Dublin to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Dublin to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?

How can I find direct flights from Dublin to Dulles Intl?

Can I find deals for business class flights from Dublin to Dulles Intl?

What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

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Alternative routes for Dublin to Dulles Intl

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Top 3 airlines flying from Dublin to Dulles Intl

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Cheapest flights from Dublin to Dulles Intl
Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.