
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $468 (oojo) |
One-way from | $222 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $637 |
Good round-trip deal | $636 or less |
Good one-way deal | $407 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 3/9
11:20 pm-10:20 am
Nonstop7h 00m
Dublin
Wed 3/18
12:05 pm-4:20 pm
Nonstop8h 15m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sun 4/12
10:25 pm-10:40 am
Nonstop7h 15m
Dublin
Mon 4/20
9:50 am-3:39 pm
1 stop10h 49m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 3/30
7:10 pm-7:20 am
Nonstop7h 10m
Dublin
Mon 4/6
8:50 am-11:50 am
Nonstop8h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 5/11
8:20 pm-10:10 am
2 stops32h 50m
Dublin
Sat 5/23
8:00 pm-5:00 pm
2 stops26h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sun 3/22
6:15 am-6:10 am
2 stops19h 55m
Dublin
Sun 3/29
1:35 pm-9:25 pm
1 stop12h 50m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 3/17
8:32 am-8:10 am
1 stop19h 38m
Dublin
Sun 3/29
8:50 am-11:50 am
Nonstop8h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 4/29
10:25 pm-10:40 am
Nonstop7h 15m
Dublin
Tue 5/19
12:30 pm-3:35 pm
Nonstop8h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 5/6
10:25 pm-10:40 am
Nonstop7h 15m
Dublin
Fri 5/15
8:50 am-11:50 am
Nonstop8h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 4/29
7:10 pm-7:20 am
Nonstop7h 10m
Dublin
Sat 5/23
12:30 pm-3:30 pm
Nonstop8h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sun 8/2
9:45 am-7:45 am
1 stop17h 00m
Dublin
Sun 8/9
8:50 am-11:50 am
Nonstop8h 00m
| 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 80 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 $542). 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 172 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.
Saturday 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 14% of flights being delayed.
Entertainment
Comfort
Boarding
Food
Overall
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Comfort
Boarding
Food
Overall
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Comfort
Boarding
Food
Overall
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Comfort
Boarding
Food
Overall
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Comfort
Boarding
Food
Overall
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Comfort
Boarding
Food
Overall
Crew
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$349 | Average$605 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$592 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$391 | Average$651 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$427 | Average$595 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$445 | Average$760 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$456 | Average$486 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$468 | Average$682 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$606 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$523 | Average$783 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$854 | FlexibilityNo cancel fee | On-time76% |