
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $606 (FlightHub) |
One-way from | $297 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $669 |
Good round-trip deal | $858 or less |
Good one-way deal | $470 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 4/29
10:25 pm-10:40 am
Nonstop7h 15m
Dublin
Thu 5/7
12:30 pm-3:35 pm
Nonstop8h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sun 9/6
10:35 pm-10:40 am
Nonstop7h 05m
Dublin
Wed 9/16
8:50 am-11:50 am
Nonstop8h 00m
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Tue 9/8
7:59 pm-11:10 am
1 stop10h 11m
Shannon
Wed 9/16
1:05 pm-7:16 pm
1 stop11h 11m
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Tue 9/8
4:00 pm-11:10 am
2 stops14h 10m
Shannon
Wed 9/16
1:05 pm-12:10 am
2 stops16h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 9/1
12:30 pm-6:20 pm
2 stops24h 50m
Dublin
Sat 9/19
10:15 am-5:00 pm
1 stop11h 45m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 4/29
12:45 pm-8:15 am
2 stops14h 30m
Dublin
Sun 5/3
8:55 am-3:35 pm
1 stop11h 40m
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Tue 7/21
7:55 pm-11:10 am
1 stop10h 15m
Shannon
Wed 7/29
1:05 pm-7:15 pm
1 stop11h 10m
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Tue 7/21
12:37 pm-11:10 am
2 stops17h 33m
Shannon
Wed 7/29
1:05 pm-12:41 am
2 stops16h 36m
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Wed 8/19
5:15 pm-11:10 am
2 stops12h 55m
Shannon
Wed 8/26
1:05 pm-10:59 pm
2 stops14h 54m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Fri 9/4
10:10 pm-8:15 am
2 stops29h 05m
Dublin
Sun 9/13
9:20 am-1:55 pm
2 stops33h 35m
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ireland (average of $358). Flying from Washington, D.C. Dulles Intl Airport to Ireland in May is currently the most expensive (average of $482). 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 Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from IAD to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
About 18% of weekly flights between Washington, D.C. and Ireland 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.
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$1,046 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$562 | 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$435 | Average$771 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$456 | Average$494 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$465 | Average$692 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$478 | Average$606 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$521 | Average$858 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$577 | Average$606 | FlexibilityNo cancel fee | On-time77% |