Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Dublin to Washington
The cheapest flights right now
Dublin – Washington
Outbound – Nov 1, 2026
direct
8h 30m Return – Nov 11, 2026
direct
6h 55m $576
today
Dublin – Washington
Outbound – Nov 22, 2026
direct
8h 30m Return – Dec 2, 2026
direct
6h 55m $575
today
Dublin – Washington
Outbound – Jan 11, 2027
direct
8h 25m Return – Jan 17, 2027
direct
6h 50m $574
yesterday
* 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
$446
Average price of a round trip
$544
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
8h18
A flight from Dublin to Washington takes on average 8h18.
Best time
November
According to user searches, the ideal month to go to Washington is November.
The best flight deals for a week
Dublin – Washington
Outbound – Nov 1, 2026
direct
8h 25m Return – Nov 8, 2026
direct
6h 50m $593
2 days ago
Dublin – Washington
Outbound – Nov 1, 2026
direct
8h 25m Return – Nov 8, 2026
direct
6h 50m $584
3 days ago
Dublin – Washington
Outbound – Nov 25, 2026
direct
8h 30m Return – Dec 3, 2026
direct
6h 55m $577
2 days ago
Dublin – Washington
Outbound – Nov 18, 2026
direct
8h 30m Return – Nov 26, 2026
direct
6h 55m $576
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.
Tips for finding a cheap flight from Dublin to Washington
Check out our tips for booking your flight to Washington (USA) from Dublin (Ireland) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is November, with an average flight ticket price of $523 (calculation over the last two years). The most touristic season corresponds to the months of November, October and September.
For the cheapest flights, it is advisable to buy your ticket at least 49 days before the departure date.
The airline offering the cheapest flight tickets is KLM. A ticket from the airline KLM to Washington costs on average $543.
The airlines that offer the most flights are Aer Lingus, Lufthansa and United Airlines.
info departure city :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is a city in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {fromLocalTime}, the temperature is on average 6°C, with a minimum of 2°C and a maximum of 12°C.
The city of Dublin has 1 airport(s): Dublin
destination info :
Washington, USA
airports :
Ronald Reagan Washington National Airport (DCA)
Dulles International Airport (IAD)
College Park Airport (CGS)
local time :
Washington is in the country USA, the time zone is [[timezone]]. In Washington, it is currently {toLocalTime}, the temperature is on average 20°C, with a minimum of 16°C and a maximum of 28°C.
The city of Washington (WAS) has 3 airport(s): Ronald Reagan Washington, Dulles and College Park
Useful info about Washington
What is the least touristic period to go to Washington?
If you want to visit Washington during the least touristic period, choose the month of November.
What is the most popular time to travel to Washington?
In Washington, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Dublin to Washington?
According to our data, it is recommended to book your flight 49 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. You can also choose morning flights that are 30% cheaper than afternoon and evening flights. The cheapest day to book a flight from Dublin to Washington is Sunday.
What are the arrival and destination airports when traveling between Dublin and Washington?
When you leave, you can leave from Dublin, and you will arrive at Baltimore/Washington Thurgood Marshall, Ronald Reagan Washington or Dulles.
How to reach Dublin airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Dublin to Washington?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Dublin and Washington?
In summer, the average temperature is 25°C in Washington and 15°C in Dublin. The average rainfall in summer is 133 mm in Washington and 76 mm in Dublin. 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.
