Pre-clear US immigration in Dublin, saving time upon arrival in the US.
Aer Lingus offers complimentary meals and drinks on all transatlantic flights, enhancing your travel experience.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $434 (FlightHub) |
One-way from | $371 (Mytrip) |
Popular in | August |
Cheapest in | January |
Average price | $494 |
Good round-trip deal | $549 or less |
Good one-way deal | $539 or less |
Fly from
Fly to
Route
Depart
Return
Price
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Fri 12/5
11:30 am-6:30 pm
1 stop12h 00m
Washington, D.C. Dulles Intl
Mon 12/8
7:40 pm-10:15 am
1 stop9h 35m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 11/26
5:55 am-4:05 pm
1 stop15h 10m
Washington, D.C. Dulles Intl
Tue 2/24
12:30 pm-7:50 am
2 stops14h 20m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Fri 11/14
8:50 am-4:05 pm
1 stop12h 15m
Washington, D.C. Dulles Intl
Thu 11/27
7:49 pm-3:45 pm
2 stops14h 56m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Fri 11/14
5:55 am-4:05 pm
1 stop15h 10m
Washington, D.C. Dulles Intl
Mon 11/17
6:50 pm-3:45 pm
1 stop15h 55m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Tue 11/25
5:55 am-4:05 pm
1 stop15h 10m
Washington, D.C. Dulles Intl
Sat 12/6
6:50 pm-3:45 pm
1 stop15h 55m
DublinBaltimore
DUB - BWI
DUBBWI
Dublin
Wed 2/11
11:30 am-6:40 pm
1 stop12h 10m
Baltimore/Washington
Wed 2/18
7:40 pm-10:15 am
1 stop9h 35m
DublinWashington, D.C.
DUB - DCA
DUBDCA
Dublin
Wed 2/11
1:25 pm-10:48 pm
2 stops14h 23m
Washington, D.C. Reagan-National
Wed 2/18
5:00 pm-3:45 pm
2 stops17h 45m
DublinWashington, D.C.
DUB - DCA
DUBDCA
Dublin
Tue 11/25
5:55 am-6:00 pm
2 stops17h 05m
Washington, D.C. Reagan-National
Sat 12/6
11:13 am-7:50 am
2 stops15h 37m
DublinWashington, D.C.
DUB - DCA
DUBDCA
Dublin
Mon 11/17
1:25 pm-10:56 pm
2 stops14h 31m
Washington, D.C. Reagan-National
Tue 11/25
11:10 am-7:50 am
2 stops15h 40m
DublinWashington, D.C.
DUB - IAD
DUBIAD
Dublin
Wed 3/25
1:25 pm-11:53 am
2 stops26h 28m
Washington, D.C. Dulles Intl
Wed 4/15
12:30 pm-8:20 am
2 stops14h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Dublin to Washington, D.C., you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, February is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of $284). Flying from Dublin to Washington, D.C. in June is currently the most expensive (average of $509). 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.
It’s typically best to fly out from Dublin to Washington, D.C. in the evening. Doing so could potentially save you 11% on the flight price compared to flying at noon, which is usually more expensive.
The most flights from DUB to WAS are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$425 | Average$608 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$454 | Average$598 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$643 | Average$808 | FlexibilityNo cancel fee | On-time69% |