Cheapest one-way flights from Dublin to Washington in August from $392
AirHint found the following cheapest one-way flights from Dublin (DUB) to Washington (IAD) in August 2025 (see full year).
One-Way flights
| 23 Aug | Ryanair | ||
| 31 Aug | Ryanair | ||
| 31 Aug | Aer Lingus | direct | |
| 23 Aug | Aer Lingus | direct | |
| 18 Aug | TAP | ||
| 16 Aug | Ryanair | ||
| 06 Aug | Air Transat | ||
| 05 Aug | Ryanair | ||
| 14 Aug | Ryanair | ||
| 12 Aug | Air Transat |
Also check the deals for return flights from Dublin to Washington in August.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
