Washington, D.C.

$288+ Cheap flights from Ireland to Washington, D.C. (WAS)

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
nov. 25 — dic. 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ireland to Washington, D.C. with Cheapflights

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.

Cheap flight deals from Ireland to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 20, 2024.

Find flight deals from Ireland to Washington, D.C.

Cheapest flights from Ireland to Washington, D.C.
Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2311:00 amDUB - BWI
1 stop11h 00mPLAY
vie. 11/296:10 pmBWI - DUB
1 stop10h 30mPLAY
Deal found 11/19$439
This Booking.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/511:30 amDUB - BWI
1 stop12h 00mIcelandair
lun. 12/97:30 pmBWI - DUB
1 stop9h 45mIcelandair
Deal found 11/19$479
This SmartFares deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/512:30 pmDUB - IAD
1 stop32h 10mScandinavian Airlines
lun. 12/95:10 pmIAD - DUB
1 stop13h 30mScandinavian Airlines
Deal found 11/19$481
This KLM deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/25:25 pmDUB - IAD
1 stop27h 20mMultiple Airlines
lun. 12/96:30 pmIAD - DUB
1 stop16h 10mMultiple Airlines
Deal found 11/18$485
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/45:55 amDUB - DCA
2 stops16h 42mDelta
lun. 12/93:20 pmDCA - DUB
1 stop12h 05mDelta
Deal found 11/19$488
This KLM deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/105:55 amDUB - IAD
1 stop14h 50mKLM
mar. 12/1712:45 pmIAD - DUB
1 stop14h 40mKLM
Deal found 11/19$488
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/45:55 amDUB - IAD
2 stops15h 48mDelta
lun. 12/96:30 pmIAD - DUB
1 stop16h 10mDelta
Deal found 11/19$489
This Flightnetwork deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/44:40 pmDUB - IAD
Nonstop8h 05mAer Lingus
lun. 12/98:45 pmIAD - DUB
Nonstop6h 45mAer Lingus
Deal found 11/19$490
This KLM deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/286:00 amORK - IAD
1 stop14h 45mKLM
mar. 12/35:35 pmIAD - ORK
1 stop23h 15mKLM
Deal found 11/19$495
This KLM deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1211:30 amDUB - DCA
1 stop14h 01mKLM
lun. 12/163:20 pmDCA - DUB
1 stop12h 05mKLM
Deal found 11/19$495
This Booking.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2610:30 amDUB - BWI
1 stop13h 15mBritish Airways
mié. 1/88:30 pmBWI - DUB
1 stop10h 40mBritish Airways
Deal found 11/20$505
This Booking.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/261:10 pmDUB - IAD
1 stop11h 35mBritish Airways
mié. 1/89:55 pmIAD - DUB
1 stop14h 05mBritish Airways
Deal found 11/20$505

Find flights from Ireland to Washington, D.C. within your budget

Customize your flight search to find flights from Ireland to Washington, D.C. 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, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

vie. 1/24

11:00 am-5:00 pm

1 stop11h 00m

Baltimore/Washington

dom. 1/26

6:10 pm-9:40 am

1 stop10h 30m

$298

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

jue. 1/16

12:30 pm-3:40 pm

1 stop32h 10m

Washington, D.C. Dulles Intl

jue. 1/23

5:10 pm-11:40 am

1 stop13h 30m

$450

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

mié. 1/8

11:30 am-6:30 pm

1 stop12h 00m

Baltimore/Washington

jue. 1/16

7:30 pm-10:15 am

1 stop9h 45m

$469

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

dom. 3/2

10:45 am-6:00 pm

1 stop12h 15m

Washington, D.C. Reagan-National

mié. 4/30

3:55 pm-10:45 am

1 stop13h 50m

$479

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

lun. 12/2

5:25 pm-3:45 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

lun. 12/9

6:30 pm-3:40 pm

1 stop16h 10m

$485

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

mié. 12/4

5:55 am-5:37 pm

2 stops16h 42m

Washington, D.C. Reagan-National

lun. 12/9

3:20 pm-8:25 am

1 stop12h 05m

$488

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mar. 12/10

5:55 am-3:45 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

mar. 12/17

12:45 pm-8:25 am

1 stop14h 40m

$488

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mié. 12/4

5:55 am-4:43 pm

2 stops15h 48m

Washington, D.C. Dulles Intl

lun. 12/9

6:30 pm-3:40 pm

1 stop16h 10m

$489

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mié. 12/4

4:40 pm-7:45 pm

Nonstop8h 05m

Washington, D.C. Dulles Intl

lun. 12/9

8:45 pm-8:30 am

Nonstop6h 45m

$490

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

jue. 12/5

1:25 pm-3:45 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

lun. 12/9

5:04 pm-12:55 pm

2 stops14h 51m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ireland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ireland 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.

Travel insights for flights from Ireland to Washington, D.C.

Get recent, data-driven insights about flights from Ireland to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to Washington, D.C.?

Currently, September is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $300). Flying from Ireland to Washington, D.C. in June is currently the most expensive (average of $376). 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 IE to WAS?

Find hourly flight availability from Ireland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Washington, D.C. as you normally would.

Weekly flight availability from Ireland to Washington, D.C.

Explore weekly flight availability from Ireland to Washington, D.C.. 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 noviembre 20, 2024.

The most flights from IE0 to WAS are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated noviembre 20, 2024.
To help decide which airline to fly from Ireland to Washington, D.C., see what other customers have to say about Scandinavian Airlines, Aer Lingus and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
8,756 reviews
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
1,350 reviews
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.6
Good
805 reviews
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.6
Good
1,637 reviews
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.4
Good
1,523 reviews
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Ireland to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Ireland to Washington, D.C. one-way?

    $300 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on Icelandair and TAP AIR PORTUGAL, with prices starting from $314 and $399, respectively.

  • What are the most popular routes from Ireland to Washington, D.C.?

  • What are the most reliable airlines from Ireland to Washington, D.C.?

    Consider SWISS (100%), Air Canada (87%) or United Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Ireland to Washington, D.C..

  • What are the cheapest flights from Ireland to Washington, D.C.?

    On average you can expect to pay $953 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is $440 while the most popular route, (Dublin - Washington, D.C. Dulles Intl) is currently priced at $379.

  • Can I find deals for flights from Ireland to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Ireland to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Washington, D.C..

  • Can I find deals for business class flights from Ireland to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Ireland to Washington, D.C. 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 Ireland to Washington, D.C.?

    Currently, September is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $300). Flying from Ireland to Washington, D.C. in June is currently the most expensive (average of $376). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ireland to Washington, D.C.

Discover the top 3 airlines that operate flights from Ireland to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$245Average$450FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$378Average$553FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$593Average$722FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.