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

Currently priced at $450, Icelandair will fly you from Dublin to Washington, D.C. Dulles Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and United Airlines - these airlines can fly you to your destination from $503 and $513, respectively. Icelandair is 22% 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 WestJet. According to our data, you can fly for as low as $374. Users have also found prices from $376 and $377 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. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 $436. On average you can expect to pay $1,048. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $429.

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: Lufthansa (89%), Air Canada (89%), United Airlines( 89%).

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 24% 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 $562 for the month, but tickets can be as low as $276. Due to multiple factors, prepare for potentially higher prices in July.

Most accurate provider : When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Dublin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 11 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.

$373+ Flights from Dublin to Washington, D.C. Dulles Intl Airport - Compare & Save Big

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Wednesday and return on a Tuesday

Cheap flight deals from Dublin to Dulles Intl

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$450 (SmartFares)
One-way from	$373 (Mytrip)
Popular in	July
Cheapest in	February
Average price	$618
Good round-trip deal	$657 or less
Good one-way deal	$456 or less

Provider with most accurate pricing for Dublin-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dublin-Washington, D.C. Dulles Intl flights.

Search Deals

From Dublin to Washington, D.C. Dulles Intl

Search Deals

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

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($121 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 28, 2025.

Sat 5/172:15 pmDUB - IAD

1 stop10h 05mIcelandair

Sun 5/258:30 pmIAD - DUB

1 stop11h 45mIcelandair

Deal found 4/28

$450

Wed 10/2212:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Fri 10/319:30 pmIAD - DUB

2 stops32h 40mScandinavian Airlines

Deal found 4/27

$503

Sun 5/44:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Mon 5/125:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 4/27

$512

Sat 9/69:20 amDUB - IAD

1 stop16h 45mUnited Airlines

Sun 9/2810:15 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Deal found 4/28

$513

Sun 5/412:45 pmDUB - IAD

1 stop12h 25mBritish Airways

Sat 5/1710:45 pmIAD - DUB

1 stop12h 55mBritish Airways

Deal found 4/26

$516

Thu 5/158:40 amDUB - IAD

1 stop12h 35mMultiple Airlines

Mon 5/2610:15 pmIAD - DUB

Nonstop7h 05mMultiple Airlines

Deal found 4/28

$526

Sat 5/311:45 amDUB - IAD

1 stop12h 56mAmerican Airlines

Sat 5/1010:45 pmIAD - DUB

1 stop15h 40mAmerican Airlines

Deal found 4/26

$528

Sun 5/1810:40 amDUB - IAD

1 stop13h 45mLufthansa

Wed 5/2810:15 pmIAD - DUB

Nonstop7h 05mLufthansa

Deal found 4/27

$530

Wed 6/188:55 amDUB - IAD

2 stops19h 00mDelta

Fri 7/116:30 pmIAD - DUB

1 stop15h 30mDelta

Deal found 4/28

$532

Mon 5/196:40 pmDUB - IAD

1 stop25h 35mSWISS

Wed 5/285:45 pmIAD - DUB

1 stop33h 05mSWISS

Deal found 4/27

$533

Sun 5/49:50 amDUB - IAD

2 stops16h 23mAir Canada

Sun 5/1112:40 pmIAD - DUB

1 stop14h 35mAir Canada

Deal found 4/27

$537

Thu 5/812:15 pmDUB - IAD

2 stops31h 20mAustrian Airlines

Mon 5/125:50 pmIAD - DUB

2 stops32h 30mAustrian Airlines

Deal found 4/27

$568

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 April 28, 2025.

Sat 5/172:15 pmDUB - IAD

1 stop10h 05mIcelandair

Sun 5/258:30 pmIAD - DUB

1 stop11h 45mIcelandair

Deal found 4/28

$450

Wed 10/2212:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Fri 10/319:30 pmIAD - DUB

2 stops32h 40mScandinavian Airlines

Deal found 4/27

$503

Sat 9/69:20 amDUB - IAD

1 stop16h 45mUnited Airlines

Sat 9/277:05 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Deal found 4/28

$513

Fri 5/94:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Sun 5/185:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 4/28

$518

Thu 5/158:40 amDUB - IAD

1 stop12h 35mMultiple Airlines

Mon 5/2610:15 pmIAD - DUB

Nonstop7h 05mMultiple Airlines

Deal found 4/28

$526

Sat 5/106:40 pmDUB - IAD

1 stop25h 35mSWISS

Sat 5/178:45 pmIAD - DUB

1 stop34h 25mSWISS

Deal found 4/26

$528

Sun 5/1810:40 amDUB - IAD

1 stop13h 45mLufthansa

Wed 5/2810:15 pmIAD - DUB

Nonstop7h 05mLufthansa

Deal found 4/27

$530

Wed 6/188:55 amDUB - IAD

2 stops19h 00mDelta

Fri 7/116:30 pmIAD - DUB

1 stop15h 30mDelta

Deal found 4/28

$532

Thu 5/159:50 amDUB - IAD

2 stops16h 18mAir Canada

Wed 5/2810:25 amIAD - DUB

1 stop16h 50mAir Canada

Deal found 4/27

$538

Thu 5/812:15 pmDUB - IAD

2 stops31h 20mAustrian Airlines

Mon 5/125:50 pmIAD - DUB

2 stops32h 30mAustrian Airlines

Deal found 4/27

$568

Tue 5/138:45 pmDUB - IAD

1 stop23h 50mKLM

Sat 5/176:00 pmIAD - DUB

1 stop33h 45mKLM

Deal found 4/27

$595

Wed 6/1111:45 amDUB - IAD

1 stop17h 14mBritish Airways

Wed 6/181:08 pmIAD - DUB

1 stop11h 22mBritish Airways

Deal found 4/27

$673

Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated April 28, 2025 and is based on user searches.

Sat 5/311:45 amDUB - IAD

1 stop12h 56mAmerican Airlines

Sat 5/1010:45 pmIAD - DUB

1 stop15h 40mAmerican Airlines

Deal found 4/26

$528

Sun 5/44:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Mon 5/125:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 4/27

$512

Sun 5/412:45 pmDUB - IAD

1 stop12h 25mBritish Airways

Sat 5/1710:45 pmIAD - DUB

1 stop12h 55mBritish Airways

Deal found 4/26

$516

Sun 5/49:50 amDUB - IAD

1 stop11h 18mUnited Airlines

Sun 5/1110:05 pmIAD - DUB

Nonstop7h 15mUnited Airlines

Deal found 4/27

$519

Sun 5/49:50 amDUB - IAD

1 stop11h 18mMultiple Airlines

Sat 5/1710:05 pmIAD - DUB

Nonstop7h 15mMultiple Airlines

Deal found 4/26

$527

Sun 5/49:50 amDUB - IAD

2 stops16h 23mAir Canada

Sun 5/1112:40 pmIAD - DUB

1 stop14h 35mAir Canada

Deal found 4/27

$537

Sun 5/45:55 amDUB - IAD

2 stops18h 58mDelta

Sat 5/179:20 pmIAD - DUB

1 stop12h 40mDelta

Deal found 4/26

$592

Sun 5/410:15 amDUB - IAD

1 stop14h 44mScandinavian Airlines

Mon 5/1212:25 pmIAD - DUB

2 stops18h 25mScandinavian Airlines

Deal found 4/27

$706

Sun 5/45:30 amDUB - IAD

1 stop14h 45mTAP AIR PORTUGAL

Mon 5/125:48 pmIAD - DUB

2 stops19h 17mTAP AIR PORTUGAL

Deal found 4/27

$1,215

Sun 5/46:20 amDUB - IAD

2 stops18h 50mIberia

Sat 5/174:35 pmIAD - DUB

1 stop14h 35mIberia

Deal found 4/27

$1,893

Mon 5/510:40 amDUB - IAD

1 stop13h 45mLufthansa

Sun 5/1110:05 pmIAD - DUB

Nonstop7h 15mLufthansa

Deal found 4/27

$530

Thu 5/812:15 pmDUB - IAD

2 stops31h 20mAustrian Airlines

Mon 5/125:50 pmIAD - DUB

2 stops32h 30mAustrian Airlines

Deal found 4/27

$568

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 April 28, 2025.

Mon 5/59:30 pmDUB - IAD

3 stops46h 50mMultiple Airlines

Deal found 4/27

$373

Wed 6/411:30 amDUB - IAD

2 stops16h 24mWestJet

Deal found 4/28

$374

Fri 5/165:30 amDUB - IAD

1 stop15h 50mTAP AIR PORTUGAL

Deal found 4/27

$376

Wed 6/2512:15 pmDUB - IAD

1 stop14h 55mIcelandair

Deal found 4/28

$377

Thu 8/2112:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Deal found 4/28

$458

Wed 9/104:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 4/28

$465

Sun 5/118:40 amDUB - IAD

1 stop12h 35mSWISS

Deal found 4/27

$535

Mon 5/512:30 pmDUB - IAD

Nonstop8h 00mLufthansa

Deal found 4/26

$564

Tue 8/51:35 pmDUB - IAD

1 stop27h 10mTurkish Airlines

Deal found 4/27

$590

Wed 9/108:30 amDUB - IAD

2 stops18h 22mBritish Airways

Deal found 4/27

$619

Wed 9/38:55 amDUB - IAD

2 stops15h 42mDelta

Deal found 4/28

$646

Fri 5/234:00 pmDUB - IAD

Nonstop7h 55mAmerican Airlines

Deal found 4/27

$712

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 5/17

2:15 pm-7:20 pm

1 stop10h 05m

Washington, D.C. Dulles Intl

Sun 5/25

8:30 pm-1:15 pm

1 stop11h 45m

$450

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 10/22

12:40 pm-7:59 pm

1 stop12h 19m

Washington, D.C. Dulles Intl

Fri 10/31

9:30 pm-10:10 am

2 stops32h 40m

$503

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 9/6

9:20 am-9:05 pm

1 stop16h 45m

Washington, D.C. Dulles Intl

Fri 9/26

10:15 pm-10:20 am

Nonstop7h 05m

$513

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 5/9

4:00 pm-6:55 pm

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sun 5/18

5:20 pm-5:10 am

Nonstop6h 50m

$518

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 5/15

8:40 am-4:15 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Mon 5/26

10:15 pm-10:20 am

Nonstop7h 05m

$526

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 5/10

6:40 pm-3:15 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Sat 5/17

8:45 pm-12:10 pm

1 stop34h 25m

$528

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 5/18

10:40 am-7:25 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Sun 5/25

10:15 pm-10:20 am

Nonstop7h 05m

$530

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 6/18

8:55 am-10:55 pm

2 stops19h 00m

Washington, D.C. Dulles Intl

Fri 7/11

6:30 pm-3:00 pm

1 stop15h 30m

$532

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 5/15

9:50 am-9:08 pm

2 stops16h 18m

Washington, D.C. Dulles Intl

Wed 5/28

10:25 am-8:15 am

1 stop16h 50m

$538

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 5/8

12:15 pm-2:35 pm

2 stops31h 20m

Washington, D.C. Dulles Intl

Mon 5/12

5:50 pm-7:20 am

2 stops32h 30m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 26 results

Compare providers for flights from Dublin to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Dulles Intl in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy-	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Dublin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 for this process before heading to your gate.

IAD

The Silver Line Metro now reaches IAD, offering a cheap and quick 40-minute ride to Washington, D.C. from the airport.

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 June is currently the most expensive (average of $373). 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 24% 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 Thursday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dulles Intl by month

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.

Temperature in Dulles Intl by month

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).

Reviews of airlines servicing Dulles Intl

To help decide which airline to fly from Dublin to Washington, D.C., see what other customers have to say about Delta, KLM and Austrian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,587 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 11 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 $450, Icelandair will fly you from Dublin to Washington, D.C. Dulles Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and United Airlines - these airlines can fly you to your destination from $503 and $513, respectively. Icelandair is 22% 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 WestJet. According to our data, you can fly for as low as $374. Users have also found prices from $376 and $377 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: Lufthansa (89%), Air Canada (89%), United Airlines( 89%).
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 $436. On average you can expect to pay $1,048. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $429.
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 June is currently the most expensive (average of $373). 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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Arlington

Alexandria

Woodbridge

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

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Laurel

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Sterling

Bowie

Towson

National Harbor

Oxon Hill

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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$433	Average$623	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$612	Average$744	FlexibilityNo cancel fee	On-time69%

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$373+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.

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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 Wednesday and return on a Tuesday

Cheap flight deals from Dublin to Dulles Intl

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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 April 28, 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 April 28, 2025.

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

Compare providers for flights from Dublin to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Dulles Intl in April.

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

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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 April 25, 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 April 28, 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 April 28, 2025.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

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 April 28, 2025.