Cheap flights from Washington, D.C. to Dublin

Washington
WAS
Dublin
DUB

Flight deals from Washington, D.C. to Dublin

Below you can see the best deals on flights Washington, D.C. — Dublin for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 11 September, from $304.

Top 10 cheap flights from Washington, D.C. to Dublin

PD
WS
$ 304

Washington, D.C. — Dublin

11:25—09:20
22 Sep 2026
16 h 55 m
1 stop
PD
WS
$ 304

Washington, D.C. — Dublin

15:50—10:00
11 Sep 2026
13 h 10 m
1 stop
PD
WS
$ 305

Washington, D.C. — Dublin

11:25—09:20
19 Sep 2026
16 h 55 m
1 stop
PD
WS
$ 305

Washington, D.C. — Dublin

15:50—09:20
21 Sep 2026
36 h 30 m
1 stop
UA
UA
WS
$ 313

Washington, D.C. — Dublin

08:35—09:20
19 Sep 2026
19 h 45 m
2 stops
AC
WS
$ 314

Washington, D.C. — Dublin

06:59—09:20
16 Sep 2026
21 h 21 m
1 stop
AC
WS
$ 314

Washington, D.C. — Dublin

17:20—09:20
22 Sep 2026
11 h
1 stop
AC
WS
$ 314

Washington, D.C. — Dublin

16:00—09:20
22 Sep 2026
12 h 20 m
1 stop
AC
WS
$ 314

Washington, D.C. — Dublin

11:00—09:20
22 Sep 2026
17 h 20 m
1 stop
AC
WS
$ 314

Washington, D.C. — Dublin

09:55—09:20
22 Sep 2026
18 h 25 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Washington, D.C. — Dublin flight

Looking for cheap flights from Washington, D.C. to Dublin? Compare fares from different airlines, check the flight schedule and travel time — and book your Washington, D.C. — Dublin ticket online at the best price.

The route has direct flights — around 70 flights per week, flights are operated by United Airlines, Aer Lingus, a nonstop flight takes about 7 h, the distance between the cities is around 5,456 km.

Planning your trip? You may find our Dublin travel guide, how to get from the airport into town and Dublin weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $257Min. price
NovemberCheapest
AugustPeak season
YesDirect flights
5,456 kmDistance
7 hTravel time
2Airlines
70 / wkFlights

Flight schedule from Washington, D.C. to Dublin

The table shows direct flights from Washington, D.C. to Dublin on the selected date. The flight takes approximately 7 h. Regular flights are operated by United Airlines and Aer Lingus. Departures from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport airports, arrivals at Dublin Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 24 Aug 2026

Flight ticket prices by day: Washington, D.C. — Dublin

Below is a calendar of the lowest flight ticket prices for Washington, D.C. — Dublin by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $257 in November, and the most expensive are around $411 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Washington, D.C. to Dublin by month. Tickets are usually cheapest in November (around $362) and priciest in June (about $652) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$386lowMay$507mediumSep$482medium
Feb$376lowJun$652highOct$458medium
Mar$555highJul$628highNov$362low
Apr$579highAug$603highDec$531medium

Some values are estimated based on seasonality.

When to fly

Weather in Dublin: it is warmest in July (up to 19 °C on average) and coolest in January (around 8 °C). The driest month is January.

Tickets are usually cheapest in November and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Dublin

Dry and wet days · Dublin

Wind speed and direction · Dublin

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How to get the best deal on a Washington, D.C. — Dublin ticket

  • Book ahead: fares for Washington, D.C. — Dublin are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Washington, D.C. is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Dublin is usually November — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Washington, D.C. — Dublin route are operated by 2 airlines; United Airlines runs the most flights (around 60% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    14x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAD → DUB14x/week
      Duration
      7h 7m
      Days
      MTWTFSS
    60.0%Open →
  • Aer LingusEI
    9x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight IAD → DUB9x/week
      Duration
      7h
      Days
      MTWTFSS
    40.0%Open →

Cities and airports on the Washington, D.C. — Dublin route

Flights Washington, D.C. — Dublin depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport and arrive at Dublin Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Washington, D.C.

WAS
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Dublin

DUB
Ireland
About the cityHow to get thereWeatherAll about the country Ireland
Departure airports
Arrival airports

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Frequently asked questions about the Washington, D.C. — Dublin flight

How long is the flight from Washington, D.C. to Dublin?

A nonstop Washington, D.C. — Dublin flight takes about 7 h — the distance between the cities is around 5,456 km.

How far is it from Washington, D.C. to Dublin?

The distance from Washington, D.C. to Dublin is about 5,456 km, which a nonstop flight covers in around 7 h.

Are there direct flights from Washington, D.C. to Dublin?

Yes, there are nonstop flights Washington, D.C. — Dublin — around 70 flights per week.

Which airlines fly from Washington, D.C. to Dublin?

Airlines operating Washington, D.C. — Dublin include United Airlines, Aer Lingus. See the full list with schedules in the "Airlines" section on this page.

Which airports do Washington, D.C. — Dublin flights use?

Flights from Washington, D.C. depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport, Ronald Reagan National Airport, and arrive at Dublin Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Washington, D.C. to Dublin?

The price of a Washington, D.C. — Dublin ticket depends on your travel date, season and demand: it is usually cheapest to fly in November, and most expensive in August. Tickets typically cost between $257 and $411. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Washington, D.C. — Dublin?

Flights Washington, D.C. — Dublin are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is November. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Washington, D.C. to Dublin?

To catch a low fare Washington, D.C. — Dublin, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually November.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Washington, D.C.

See all
New York CityChicagoAtlantaBostonOrlandoTorontoCharlotteHoustonDetroitSeattleMinneapolisDallasMiamiFort LauderdaleMontrealDenverRaleighLos AngelesNashvilleSan FranciscoPittsburghTampaBuffaloIndianapolisCincinnatiProvidencePhiladelphiaLondonRochesterOttawaKnoxvilleColumbusClevelandAlbanySouth PortlandNorth CharlestonSan SalvadorSan DiegoBurlingtonSavannah

Where else you can fly from Dublin

See all
LondonEdinburghAmsterdamManchesterParisBirminghamGlasgowNew York CityFrankfurt am MainMadridTorontoChicagoIstanbulBostonMalagaMunichBarcelonaBristolZurichSouthamptonFaroLeedsLiverpoolLisbonRomeCopenhagenDohaDusseldorfAberdeenNewcastle upon TynePhiladelphiaMilanBerlinBrusselsMinneapolisAbu DhabiChisinauArrecifeDubaiOslo

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