
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $444 (oojo) |
One-way from | $257 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $594 |
Good round-trip deal | $587 or less |
Good one-way deal | $395 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 2/10
12:43 pm-7:10 am
2 stops13h 27m
Dublin
Wed 3/4
9:00 am-11:44 am
2 stops31h 44m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 4/1
6:15 am-9:45 am
1 stop22h 30m
Dublin
Thu 4/9
9:50 am-7:50 am
2 stops27h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 4/8
10:25 pm-10:40 am
Nonstop7h 15m
Dublin
Wed 5/6
9:20 am-4:09 pm
1 stop11h 49m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 3/24
11:20 pm-10:20 am
Nonstop7h 00m
Dublin
Tue 3/31
12:30 pm-3:35 pm
Nonstop8h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 3/10
1:15 pm-8:10 am
1 stop14h 55m
Dublin
Tue 3/24
12:05 pm-4:20 pm
Nonstop8h 15m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 3/10
1:15 pm-8:10 am
1 stop14h 55m
Dublin
Tue 3/31
12:30 pm-3:35 pm
Nonstop8h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 2/25
8:30 pm-10:45 am
2 stops33h 15m
Dublin
Tue 3/3
11:30 am-5:15 pm
2 stops34h 45m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Fri 2/27
10:20 pm-10:20 am
Nonstop7h 00m
Dublin
Fri 3/6
9:00 am-8:26 pm
1 stop16h 26m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 3/18
11:20 pm-10:20 am
Nonstop7h 00m
Dublin
Sat 3/28
12:05 pm-4:20 pm
Nonstop8h 15m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 4/27
7:10 pm-7:20 am
Nonstop7h 10m
Dublin
Mon 5/4
9:50 am-3:34 pm
1 stop10h 44m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Washington, D.C. Dulles Intl Airport to Dublin is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of $371). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of $541). 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.
When flying from Washington, D.C. Dulles Intl Airport to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 18% of weekly flights between Washington, D.C. and Dublin have experienced delays in the past year, with the average delay time being 171 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 15% of flights being delayed.
Boarding
Overall
Crew
Food
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Overall
Crew
Food
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Overall
Crew
Food
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Overall
Crew
Food
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Overall
Crew
Food
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Overall
Crew
Food
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$367 | Average$605 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$523 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$386 | Average$843 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$428 | Average$595 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$445 | Average$816 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$456 | Average$488 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$467 | Average$682 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$624 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$524 | Average$793 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$877 | FlexibilityNo cancel fee | On-time76% |