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Cheap Flights from Dublin (DUB) to Washington, D.C. (WASA)

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Compare Dublin to Washington, D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington, D.C.

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Flight deals from Dublin to Washington, D.C.

Looking for a cheap last-minute deal or the best round-trip flight from Dublin to Washington, D.C.? Find the lowest prices on one-way and round-trip tickets right here.
Washington, D.C..$280 per passenger.Departing Mon, Sep 15.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Dublin on Mon, Sep 15, arriving in Baltimore Washington International.Price includes taxes and charges.From $280, select.
Washington, D.C..$284 per passenger.Departing Thu, Jun 19.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Thu, Jun 19, arriving in Baltimore Washington International.Price includes taxes and charges.From $284, select.
Washington, D.C..$288 per passenger.Departing Sat, Dec 6.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departing from Dublin on Sat, Dec 6, arriving in Baltimore Washington International.Price includes taxes and charges.From $288, select.
Washington, D.C..$299 per passenger.Departing Mon, Nov 24.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departing from Dublin on Mon, Nov 24, arriving in Baltimore Washington International.Price includes taxes and charges.From $299, select.
Washington, D.C..$299 per passenger.Departing Thu, Feb 26.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departing from Dublin on Thu, Feb 26, arriving in Baltimore Washington International.Price includes taxes and charges.From $299, select.
Washington, D.C..$302 per passenger.Departing Wed, Aug 20.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Wed, Aug 20, arriving in Baltimore Washington International.Price includes taxes and charges.From $302, select.
Washington, D.C..$320 per passenger.Departing Thu, Oct 2.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Thu, Oct 2, arriving in Baltimore Washington International.Price includes taxes and charges.From $320, select.
Washington, D.C..$322 per passenger.Departing Thu, Mar 5.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departing from Dublin on Thu, Mar 5, arriving in Baltimore Washington International.Price includes taxes and charges.From $322, select.

Find the cheapest month to fly from Dublin to Washington, D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Washington, D.C. flights are currently cheapest in September.
Jun
from $284
Jul
from $334
Aug
from $302
Sep
from $280
Oct
from $320
Nov
from $299
Dec
from $288
Jan
from $336
Feb
from $299
Mar
from $322
Apr
from $454
May
from $433

Direct flights from Dublin to Washington, D.C.

Alternative Dublin to Washington, D.C. routes

Looking for the cheapest, fastest or easiest route from Dublin to Washington, D.C.? You could fly into the following airports instead.

Dublin to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight found$280
Cheapest month to flySeptember
Average flight time8 hrs, 8 mins
Most popular airlineAer Lingus
Average flights per week132

Finding cheap flights from Dublin to Washington, D.C.: Frequently asked questions

There are 5 airports in Washington, D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a round-trip flight from Dublin to Washington, D.C. is $289. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
8 hours and 8 minutes is the average flight time from Dublin to Washington, D.C..
Aer Lingus, American Airlines and British Airways fly direct from Dublin to Washington, D.C..
There are 66 flights per week flying from Dublin to Washington, D.C., as of June 2025.
The cheapest month to fly from Dublin to Washington, D.C. is usually June 2025.
If you're flying from Dublin Airport, the cheapest airport near Washington, D.C. is Baltimore Washington International – which is 27.1 miles away from the center of Washington, D.C.. We've found flights to this airport from $289.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Washington, D.C. on Thursday, December 4, 2025.
Yes – the average flight time is 8 hours and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington, D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 72°F. July is typically the warmest month in Washington, D.C., when it usually averages around 88°F. You can expect the least rain in February. The coldest month is January, with temperatures averaging 25°F. The rainiest month is September.
Currently, Fly Play and United offer the cheapest flight tickets to Washington, D.C..

Flying from Dublin Airport (DUB) to Washington DC: what you need to know

  • The timezone in Washington DC is UTC-4. The city is four hours behind Dublin, where Dublin Airport is located.

  • With 23 flights a week between the two airports, Dublin Airport (DUB) to Washington Dulles International Airport (IAD) is the busiest route. United Airlines operates the earliest flight at 08:50. If you'd like to get more out of your day before leaving, the last flight from DUB to IAD is with Aer Lingus at 16:40.

  • Give yourself plenty of time to get on your DUB to Washington DC flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at check-in and security are more likely if you're heading away during high season, so allow some extra breathing space. A good general rule for peak times? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • You can book a direct Dublin Airport to Washington DC ticket. Begin your journey at DUB and arrive at Washington Dulles International Airport (IAD).

  • Book your seat with Aer Lingus. This popular carrier offers direct flights from Dublin Airport to Washington DC.

  • Think about adding a stopover to potentially land a cheaper plane ticket from DUB to Washington DC. Just deselect 'Direct flights only' during your search. Break up your trip (and maybe save some cash) by stopping at one of these popular options:

    • John F. Kennedy International Airport (JFK)

    • Newark Liberty International Airport (EWR)

    • Logan International Airport (BOS)

  • DUB is around 5 miles from central Dublin. If you're catching a cab, ride-sharing or driving from the center, it'll take you 30 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 2 hours 10 minutes.

  • Want a relaxed start to your vacation? Stay near DUB. Whether you're boarding an early flight from Dublin Airport to Washington DC or want to avoid feeling rushed, these hotels put convenience first:

  • When it comes to Dublin Airport's on-time performance, 72.87% of flights complete their journey on time.

How to find the cheapest flights from Dublin Airport (DUB) to Washington DC

  • The best price we've seen for a one-way Dublin Airport to Washington DC flight is $280. The cheapest price for a return flight is $289. Remember fares may change due to availability at the time of booking.

  • Get cheap flights from DUB to Washington DC by booking eight months ahead. Based on our research, that's the best time for finding a bargain.

  • The best month for scoring cheap Dublin Airport to Washington DC tickets is December. Use the 'Whole month' tool to compare all available prices, then choose the dates that offer the lowest fares.

  • You don't need to check back constantly to see if fares have dropped when you set up a Price Alert. We'll update you the moment there's an updated deal for cheap flights from DUB to Washington DC.

  • Find a cheap flight from Dublin Airport to Washington DC with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) is around 5 miles from the center of Washington DC. If you're opting for a ride-share or a cab, the drive will take roughly 15 minutes.

  • If you're traveling on public transport, expect a journey time of about 45 minutes.

  • If you're coming in on a late flight from Dublin Airport to Washington DC, nothing beats the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and snoozing not long after at one of these hotels near DCA:

  • Go where the road takes you with a Ronald Reagan National Airport rental car. Pick up your wheels from Thrifty, Sixt or Dollar and see more of Washington DC and beyond.

  • To secure the lowest price, reserve your vehicle from Ronald Reagan National Airport about four weeks ahead of your flight from DUB to Washington DC.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • The center of Washington DC is about 35 miles from Washington Dulles International Airport (IAD). After your flight from Dublin Airport to Washington DC has landed and you've made your way through the terminal, the drive should take about 50 minutes.

  • If you travel by public transport, you'll reach the center in 1 hour 10 minutes or so.

  • Place the 'Do not disturb' sign on your door and rest at a hotel close to IAD. Here are a few options where you can kick back after your DUB to Washington DC flight:

  • No need to worry about public transport schedules or cab lines. Grab a Washington Dulles International Airport rental car and let the journey unfold your way. Check out the availability and rates from Dollar, Thrifty and Sixt.

  • Snap up the best price by reserving your ride from IAD one week ahead of time. You can also expect to have a greater range of vehicles.

  • You can find Washington Dulles International Airport at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Hop off your flight from Dublin Airport to Washington DC and go straight to your hotel or start discovering the city right away. The center of Washington DC is around 30 miles from Baltimore/Wash International Thurgood Marshall Airport (BWI) and typically takes 50 minutes to reach driving.

  • If you use public transport, expect a journey of around 1 hour 30 minutes.

  • Enjoy a low-stress, comfortable start to your trip by checking in to a hotel near BWI after your DUB to Washington DC flight. Recharge after a day of travel or just take a moment to find your footing in a new place at:

  • Whether you're looking for a budget-friendly compact for a solo trip or a full-size SUV to fit a group of friends, you'll find the right Baltimore/Wash International Thurgood Marshall Airport rental car for your needs. Explore the range of wheels available here from names such as Dollar, Thrifty and Budget.

  • Enjoy a payoff when you plan ahead. Book your ride from BWI two weeks before your flight from Dublin Airport to Washington DC to access the best deals.

Best time to go to Washington DC

  • Before you book your flights from Dublin Airport to Washington DC, consider which time of year works best for you. Peak season in Washington DC offers a lively atmosphere and plenty of things to do, while the off-season means you'll get cheaper hotel deals and fewer crowds.

  • The warmest month in Washington DC is July, with temperatures ranging between 66ºF and 91ºF. Lock in your Dublin Airport to Washington DC plane ticket then if you enjoy this type of weather.

  • January has average temperatures of between 21ºF and 50ºF. Search for a cheap ticket from DUB to Washington DC around that time if you want to travel in cooler conditions.

More about Washington DC

Explore more of United States

  • New York is just one of the many places in United States waiting to be discovered after you've experienced Washington DC. Around 200 miles away to the north-east, its best attractions include Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another sought-after destination in United States and is around 120 miles north-east of Washington DC. No journey is complete without visiting Liberty Bell, Independence Hall and Philadelphia Museum of Art.

More travel options

Plan the rest of your trip from Dublin to Washington, D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.