
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $608 (CrystalTravel) |
One-way from | $305 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $647 |
Good round-trip deal | $793 or less |
Good one-way deal | $474 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
So 4/26
10:25 pm-10:40 am
Nonstop7h 15m
Dublin
Mi 5/6
9:20 am-4:09 pm
1 stop11h 49m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
So 9/6
7:15 pm-7:20 am
Nonstop7h 05m
Dublin
Mi 9/16
12:30 pm-3:35 pm
Nonstop8h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Do 4/23
1:10 pm-9:45 am
1 stop15h 35m
Dublin
Di 4/28
9:50 am-9:18 pm
2 stops16h 28m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mi 4/29
5:26 pm-9:45 am
1 stop11h 19m
Dublin
So 5/3
8:50 am-11:50 am
Nonstop8h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
So 5/3
5:42 pm-11:10 am
1 stop12h 28m
Dublin
So 5/10
12:30 pm-3:35 pm
Nonstop8h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Di 9/22
7:05 pm-7:20 am
Nonstop7h 15m
Dublin
Di 9/29
9:20 am-3:00 pm
1 stop10h 40m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mi 8/19
7:15 pm-7:20 am
Nonstop7h 05m
Dublin
Do 8/27
9:50 am-3:01 pm
1 stop10h 11m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Di 7/28
3:02 pm-8:45 am
1 stop12h 43m
Dublin
Mi 8/5
8:55 am-3:35 pm
1 stop11h 40m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Do 9/3
10:35 pm-10:40 am
Nonstop7h 05m
Dublin
Sa 9/12
8:50 am-11:50 am
Nonstop8h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Fr 4/24
1:10 pm-9:45 am
1 stop15h 35m
Dublin
Sa 5/2
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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The best time to book flights from Washington, D.C. Dulles Intl Airport to Dublin is 90 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 $539). 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 175 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.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 89% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Dublin on Cheapflights.
Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $630.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 11h 35m.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 20m.
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$564 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$391 | Average$771 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$427 | Average$578 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$445 | Average$719 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$456 | Average$494 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$466 | Average$690 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$478 | Average$602 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$522 | Average$779 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$577 | Average$606 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$590 | Average$796 | FlexibilityNo cancel fee | On-time76% |