Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Washington to Dublin
The cheapest flights right now
Washington – Dublin
Outbound – Nov 17, 2026
1 stop
9h 35m KEF
Return – Nov 25, 2026
1 stop
12h 10m KEF
$595
2 days ago
Washington – Dublin
Outbound – Nov 17, 2026
1 stop
9h 35m KEF
Return – Nov 24, 2026
1 stop
12h 10m KEF
$579
yesterday
Washington – Dublin
Outbound – Nov 17, 2026
1 stop
9h 35m KEF
Return – Nov 25, 2026
1 stop
12h 0m KEF
$578
3 days ago
Washington – Dublin
Outbound – Nov 16, 2026
direct
6h 50m Return – Nov 25, 2026
direct
8h 30m $644
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$631
Average price of a round trip
$708
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
7h1
A flight from Washington to Dublin takes on average 7h1.
Best time
July
According to user searches, the ideal month to go to Dublin is July.
Tips for finding a cheap flight from Washington to Dublin
Check out our tips for booking your flight to Dublin (Ireland) from Washington (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is August, with an average flight ticket price of $417 (calculation over the last two years). The most touristic season corresponds to the months of September, June and December.
For the cheapest flights, it is advisable to buy your ticket at least 15 days before the departure date.
The airline offering the cheapest flight tickets is JetBlue. A ticket from the airline JetBlue to Dublin costs on average $700.
The airlines that offer the most flights are Aer Lingus, United Airlines and Aer Lingus.
Price of flight tickets from Washington to Dublin
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $631 to $1215
- The average price of a flight ticket is about $708
- Prices are lowest for stays in the month of August
- The month in which booking a ticket is cheaper is: August
info departure city :
Washington, USA
airports :
Ronald Reagan Washington National Airport (DCA)
Dulles International Airport (IAD)
College Park Airport (CGS)
local time :
Washington is a city in the country USA, the time zone is [[timezone]]. In Washington, it is currently {fromLocalTime}, the temperature is on average 13°C, with a minimum of 7°C and a maximum of 19°C.
The city of Washington (WAS) has 3 airport(s): Ronald Reagan Washington, Dulles and College Park
destination info :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {toLocalTime}, the temperature is on average 9°C, with a minimum of 6°C and a maximum of 14°C.
The city of Dublin has 1 airport(s): Dublin
Useful info about Dublin
What is the least touristic period to go to Dublin?
If you want to visit Dublin during the least touristic period, choose the month of July.
What is the most popular time to travel to Dublin?
In Dublin, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Washington to Dublin?
According to our data, it is recommended to book your flight 15 days before your departure. If you book your flight ticket 3 weeks before your departure, you may find a price below average. You can also choose morning flights that are 8% cheaper than afternoon and evening flights. The cheapest day to book a flight from Washington to Dublin is Sunday.
What are the arrival and destination airports when traveling between Washington and Dublin?
When you leave, you can leave from Ronald Reagan Washington or Dulles, and you will arrive at Dublin.
How to reach Washington airport from the city centre?
The airport Ronald Reagan Washington is located 4 km, Dulles is located 42 km or College Park is located 14 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Washington to Dublin?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Washington and Dublin?
In summer, the average temperature is 15°C in Dublin and 25°C in Washington. The average rainfall in summer is 76 mm in Dublin and 133 mm in Washington. In summer, it is warmer in Washington and it rains less in Dublin. In winter, it is colder in Dublin and it rains more in Washington.
