£298 Find Cheap Flights from Dublin to Washington, D.C. – Compare and Save

There are several options. You can take the train; it'll get you there in 1h (with one train transfer) for around $11 (under €10). You take a 15min Silver Line Express Bus, which runs to the metro stop Wiehle-Reston East; from there, you can take a train directly into the city in 45min. There are also buses that run directly between the airport and the city; you can get the Metrobus 5A for around $7.50 (under €6.50), which will get you there in under 1h. If you use a taxi, you'll get there in 45min for around $60-70 (around €50-60), or using a ride-sharing app you'll pay around $45 (less than €40).

Before you arrive, you should get in touch with the person that's picking you up and agree on an Arrival Door (marked 1-7) on the Arrivals Level. The driver should follow signs for Arrivals, then wait in the Cell Phone Lot where they can wait for confirmation that you're ready for them at the Arrival Door — it's not permitted to wait at the Arrival Door, it's only for immediate pick-ups and drop-offs.

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

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

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

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

• Aer Lingus
• United Airlines

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

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

Three cabin classes are available on flights from Dublin to Washington, D.C. Dulles Intl Airport:

• Economy class
• Premium Economy Class
• Business Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £370 return via Kastrup Copenhagen (CPH), compared with £502 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £20–£74 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 Dublin to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Reykjavik Keflavik Intl (KEF) – 51% of one-stop connections
• London Heathrow (LHR) – 31% of one-stop connections
• Kastrup Copenhagen (CPH) – 6% of one-stop connections
• Charlotte Douglas (CLT) – 4% 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 14% on the Dublin to Washington, D.C. Dulles Intl Airport route. Wednesday is the cheapest departure day at £463 return on average, while Sunday is the most expensive at £534, a difference of £70. 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 Dublin to Washington, D.C. Dulles Intl Airport route, 13% of flights were delayed in the past 3 months, with delays averaging 2 hours 31 minutes.

Afternoon is the busiest departure period on Dublin to Washington, D.C. Dulles Intl Airport flights, with 100% leaving in that window. Morning departures account for 0%, Evening flights for 0%, and Night flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Union Station, Capital One Arena, and Charles Sumner School Museum and Archives. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

• Earliest: departs at 08:50 and lands at 17:03
• Latest: departs at 16:35 and lands at 00:48.

The flight takes about 8h 13m.

Last-minute fares on this route (booked within 2 weeks of departure) run 16% above the route average of £490. Book 9 weeks before departure for the lowest fares.

A direct flight from Dublin to Washington, D.C. Dulles Intl Airport takes 8h 13m, covering 3,393 miles.

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 Dublin to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about £309, which is 33% below the typical average for this route.

Evening 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 50m, compared to 11h 41m via London Heathrow (LHR) and 12h 28m via Charlotte Douglas (CLT).

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

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around £18 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Sixt
• Thrifty

Return flights from Dublin to Washington, D.C. Dulles Intl Airport range from £411 to £583, with an average of £490 over the past 12 months. Anything below £411 counts as a good deal.

Aer Lingus is the only airline on the Dublin to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.