Cheap flights from Ireland to Washington, D.C. from £248
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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ireland to Washington, D.C.
Keep the following information in mind while searching for Ireland to Washington, D.C. flight deals. Data was last updated 13 June 2025.
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 13 June 2025.
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 13 June 2025.
Cheapflights Fare Finder
Customise 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 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Ireland to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinBaltimore
DUB - BWI
DUBBWI
Dublin
Sat 27/9
05:55-17:22
2 stops16h 27m
Baltimore/Washington
Sun 5/10
16:39-08:45
1 stop11h 06m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Mon 13/10
05:55-23:00
2 stops22h 05m
Washington, D.C. Dulles Intl
Thu 23/10
13:00-10:25
2 stops16h 25m
DublinWashington, D.C.
DUB - DCA
DUBDCA
Dublin
Wed 22/10
13:20-23:29
2 stops15h 09m
Washington, D.C. Reagan-National
Fri 31/10
13:45-07:45
1 stop14h 00m
DublinWashington, D.C.
DUB - DCA
DUBDCA
Dublin
Tue 21/10
13:15-22:19
1 stop14h 04m
Washington, D.C. Reagan-National
Tue 28/10
18:55-09:20
1 stop10h 25m
DublinBaltimore
DUB - BWI
DUBBWI
Dublin
Tue 24/6
10:30-19:35
1 stop14h 05m
Baltimore/Washington
Sat 5/7
21:20-19:25
1 stop17h 05m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Tue 24/6
10:30-20:10
1 stop14h 40m
Washington, D.C. Dulles Intl
Sat 5/7
22:45-19:25
1 stop15h 40m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 25/6
11:45-19:44
1 stop12h 59m
Washington, D.C. Dulles Intl
Wed 30/7
13:19-05:30
1 stop11h 11m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Mon 13/10
05:55-15:50
1 stop14h 55m
Washington, D.C. Dulles Intl
Thu 23/10
22:15-10:20
Nonstop7h 05m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Sat 23/8
09:20-21:01
1 stop16h 41m
Washington, D.C. Dulles Intl
Sat 13/9
22:15-10:20
Nonstop7h 05m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 2/7
21:50-19:25
2 stops26h 35m
Washington, D.C. Dulles Intl
Wed 9/7
22:20-00:45
2 stops21h 25m
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.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Washington, D.C.
What is the cheapest month to book a flight from Ireland to Washington, D.C.?
Currently, February is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £565). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £946). 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 13 June 2025.
It’s optimal to fly from Ireland to Washington, D.C. at midday. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.
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 13 June 2025.
The most flights from IE0 to WAS 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 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 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.
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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).
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 13 June 2025.
Read through reviews of airlines operating flights from Ireland to Washington, D.C., such as Delta, KLM and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
Travelling to a place near Ireland?
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Alternative routes for Ireland to Washington, D.C.
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Ireland to Washington, D.C.
Discover the top 6 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 858,174 searches. Data last updated 13 June 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Ireland to Washington, D.C.?
Cheapflights helps you search for flights from Ireland to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Ireland to Washington, D.C.?
Cheapflights simply makes it quick and affordable to book flights from Ireland to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ireland to Washington, D.C. with no change fees?
Certainly. Search results for flights to Washington, D.C. from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ireland to Washington, D.C. become cheaper?
Of course! You can now track prices for flights from Ireland to Washington, D.C. and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.