Nonstop flights from Washington, D.C. to Dublin take about 7h 25m, with 2 airlines flying the route.
Checking today’s fares with the airlines.
Washington, D.C. and Dublin, Ireland are about 3,382 miles apart. Dublin is 5 hours ahead of Washington, D.C.. The scheduled nonstop takes around 7 hours 25 minutes.
Both airlines fly daily from Dulles.
| Airline | From | To |
|---|---|---|
| Aer Lingus | IAD Washington Dulles International Airport | DUB Dublin Airport |
| United Airlines | IAD Washington Dulles International Airport | DUB Dublin Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
6 miles (10 km) from the city centre. 36.4 million passengers in 2025
| How | Route | Time | Cost |
|---|---|---|---|
| Bus | Dublin Express coach via the Port Tunnel to the city centre (fastest journey quoted) | about 14m | from EUR 8 single, booked online |
US citizens need a valid passport and no visa for tourist stays of up to 90 days in Ireland; Ireland is outside Schengen.
The State Department notes there is no minimum passport validity requirement, though a passport valid for your whole stay is recommended. Carry proof of funds and a return ticket, and be ready to explain your travel plans to immigration officers. EES and ETIAS apply to Schengen countries, not Ireland.
May, September and October are described by a local writer as mild, with long days and fewer crowds. June to August is warmest but pricier and busier.
Busiest: Jun-Aug. Quieter shoulder season: May, Sep-Oct.
| Month | Avg high | Avg low |
|---|---|---|
| Jan | 46.4°F (8°C) | 36.1°F (2°C) |
| Feb | 47.3°F (8°C) | 36°F (2°C) |
| Mar | 50.2°F (10°C) | 37.4°F (3°C) |
| Apr | 54.1°F (12°C) | 39.2°F (4°C) |
| May | 58.6°F (15°C) | 43.9°F (7°C) |
| Jun | 63.9°F (18°C) | 48.2°F (9°C) |
| Jul | 67.1°F (19°C) | 52.3°F (11°C) |
| Aug | 66.4°F (19°C) | 52.2°F (11°C) |
| Sep | 62.4°F (17°C) | 49.1°F (10°C) |
| Oct | 56.5°F (14°C) | 44.8°F (7°C) |
| Nov | 50.5°F (10°C) | 39.7°F (4°C) |
| Dec | 46.9°F (8°C) | 36.7°F (3°C) |
A nonstop flight from Washington, D.C. to Dublin is typically scheduled for about 7 hours 25 minutes. Flights with a connection take longer, depending on the layover.
As of October 2026, Aer Lingus and United Airlines fly nonstop between Washington, D.C. and Dublin.
Nonstop flights leave from Washington Dulles International Airport (IAD) and arrive at Dublin Airport (DUB).
Dublin is about 3,382 miles (5,442 km) from Washington, D.C., measured between the city centres.
Dublin is 5 hours ahead of Washington, D.C..
US citizens need a valid passport and no visa for tourist stays of up to 90 days in Ireland; Ireland is outside Schengen. This applies to US citizens; other nationalities should check their own requirements.
One option is dublin Express coach via the Port Tunnel to the city centre (fastest journey quoted), which takes about 14 minutes and costs from EUR 8 single, booked online.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.