€256 Find Cheap Flights from Washington Dulles Airport to Dublin – Compare and Save

Among airlines operating Washington, D.C. Dulles Intl Airport to Dublin flights:

• Aer Lingus: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Lufthansa: offers free seat selection
• American Airlines: offers free seat selection
• Iberia: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Washington, D.C. Dulles Intl Airport and Dublin. The airlines offering direct flights on this route include:

• Aer Lingus
• United Airlines

Flights from Washington, D.C. Dulles Intl Airport to Dublin usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Dublin (DUB).

Here are some options for this route, based on selected ticket types and cabin classes:

• Aer Lingus: a cabin bag and a checked bag in Economy class
• United Airlines: a cabin bag and a checked bag in Economy class
• Lufthansa: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Washington, D.C. Dulles Intl Airport to Dublin.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average €494 return via Reykjavik Keflavik Intl (KEF), compared with €689 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €47–€86 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by Aer Lingus and Iberia. Other aircraft seen on the route include Boeing 757-200 variants.

One-stop flights from Washington, D.C. Dulles Intl Airport to Dublin most commonly connect through:

• Reykjavik Keflavik Intl (KEF) – 55% of one-stop connections
• London Heathrow (LHR) – 12% of one-stop connections
• Lisbon Humberto Delgado (LIS) – 8% of one-stop connections
• Kastrup Copenhagen (CPH) – 7% of one-stop connections

Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 19% on the Washington, D.C. Dulles Intl Airport to Dublin route. Tuesday is the cheapest departure day at €602 return on average, while Friday is the most expensive at €740, a difference of €138. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Washington, D.C. Dulles Intl Airport to Dublin route, 14% of flights were delayed in the past 3 months, with delays averaging 3 hours 13 minutes.

Evening is the busiest departure period on Washington, D.C. Dulles Intl Airport to Dublin flights, with 66% leaving in that window. Night departures account for 33%, Morning flights for 1%, and Afternoon flights for 0%.

Some of the most popular sights in Dublin are Dublin City Centre, Bord Gáis Energy Theatre, and 3Olympia Theatre. These are among the most viewed places in Dublin on KAYAK.

These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Dublin:

• Earliest: departs at 17:15 and lands at 00:17
• Latest: departs at 23:20 and lands at 06:22.

The flight takes about 7h 02m.

Last-minute fares on this route (booked within 2 weeks of departure) run 5% above the route average of €676. Book 12 weeks before departure for the lowest fares.

A direct flight from Washington, D.C. Dulles Intl Airport to Dublin takes 7h 02m, covering 8,788 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Washington, D.C. Dulles Intl Airport to Dublin are currently lower than usual. Average one-way flight prices are about €268, which is 42% below the typical average for this route.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time of 10h 34m, compared to 10h 34m via Montreal Pierre Elliott Trudeau Intl (YUL) and 12h 04m via Frankfurt am Main (FRA).

Dublin is 5 hours ahead of Washington, D.C. Dulles Intl Airport (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Dublin Airport (DUB) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:
· Budget
· Sixt
· Easirent
· Europcar
· Thrifty

Return flights from Washington, D.C. Dulles Intl Airport to Dublin range from €547 to €843, with an average of €676 over the past 12 months. Anything below €547 counts as a good deal.