DUB - WAS

€393 Find Cheap Flights from Dublin to Washington, D.C. – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€470
Typical prices: €528-€718
Icelandair
Sat 21/4Sat 28/4
DUB - IAD • 1 stop
Cheapest direct flights
€606
Typical prices: €539-€719
Aer Lingus
Wed 21/11Thu 29/11
DUB - IAD • Direct
Advice from real travellers
Aer Lingus economy has 17.7” seats in a 2-4-2 layout for added comfort.
Dublin U.S. pre-clearance can speed arrival; allow three hours before departure.
Expert advice
+1
Expert advice
+1
Direct flights
You can fly direct with Aer Lingus and United Airlines. Average duration is 8h 25m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 6% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 19 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg €507 (return)
Shortest trip • 10h 14m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dublin to Washington, D.C. (DUB-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dublin to Washington, D.C.

Wed, 21 Apr - Wed, 28 Apr
Icelandair Logo
12:15 - 19:20DUB  Dublin-IAD Washington, D.C. Dulles Intl
12h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
20:30 - 11:05IAD  Washington, D.C. Dulles Intl-DUB Dublin
9h 35m1 stop Reykjavik Keflavik Intl
€470Icelandair
Thu, 11 Mar - Thu, 18 Mar
Icelandair Logo
11:30 - 18:30DUB  Dublin-IAD Washington, D.C. Dulles Intl
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
20:40 - 10:15IAD  Washington, D.C. Dulles Intl-DUB Dublin
9h 35m1 stop Reykjavik Keflavik Intl
€471Icelandair
Mon, 29 Mar - Thu, 8 Apr
Icelandair Logo
12:15 - 19:20DUB  Dublin-IAD Washington, D.C. Dulles Intl
12h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
20:30 - 11:05IAD  Washington, D.C. Dulles Intl-DUB Dublin
9h 35m1 stop Reykjavik Keflavik Intl
€478Icelandair
Mon, 29 Mar - Fri, 9 Apr
Icelandair Logo
12:15 - 19:20DUB  Dublin-IAD Washington, D.C. Dulles Intl
12h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
20:30 - 11:05IAD  Washington, D.C. Dulles Intl-DUB Dublin
9h 35m1 stop Reykjavik Keflavik Intl
€478Icelandair
Sat, 21 Nov - Sun, 29 Nov
Aer Lingus Logo
12:20 - 15:45DUB  Dublin-IAD Washington, D.C. Dulles Intl
8h 25mdirect
Aer Lingus Logo
20:50 - 08:45IAD  Washington, D.C. Dulles Intl-DUB Dublin
6h 55mdirect
€606Aer Lingus
Sat, 6 Feb - Mon, 15 Feb
Aer Lingus Logo
12:20 - 15:45DUB  Dublin-IAD Washington, D.C. Dulles Intl
8h 25mdirect
Aer Lingus Logo
17:15 - 05:05IAD  Washington, D.C. Dulles Intl-DUB Dublin
6h 50mdirect
€609Aer Lingus
Wed, 21 Apr - Tue, 27 Apr
Aer Lingus Logo
16:15 - 19:15DUB  Dublin-IAD Washington, D.C. Dulles Intl
8h 00mdirect
Aer Lingus Logo
20:45 - 08:45IAD  Washington, D.C. Dulles Intl-DUB Dublin
7h 00mdirect
€613Aer Lingus
Mon, 8 Mar - Mon, 15 Mar
United Airlines Logo
09:00 - 20:08DUB  Dublin-IAD Washington, D.C. Dulles Intl
16h 08m1 stop Toronto Pearson Intl
United Airlines Logo
23:10 - 10:20IAD  Washington, D.C. Dulles Intl-DUB Dublin
7h 10mdirect
€635United Airlines
Sat, 13 Feb - Fri, 5 Mar
United Airlines Logo
09:00 - 15:45DUB  Dublin-IAD Washington, D.C. Dulles Intl
11h 45m1 stop Toronto Pearson Intl
United Airlines Logo
22:10 - 10:20IAD  Washington, D.C. Dulles Intl-DUB Dublin
7h 10mdirect
€636United Airlines
Mon, 8 Feb - Fri, 5 Mar
United Airlines Logo
09:00 - 20:10DUB  Dublin-IAD Washington, D.C. Dulles Intl
16h 10m1 stop Toronto Pearson Intl
United Airlines Logo
22:10 - 10:20IAD  Washington, D.C. Dulles Intl-DUB Dublin
7h 10mdirect
€636United Airlines
Booking Insights

Price, demand, and travel trends for Dublin to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Dublin to Washington, D.C.?

Return flights from Dublin to Washington, D.C. typically range from €528 to €718. The lowest price found in the past 5 days was €470 on Icelandair.

What is the cheapest Dublin to Washington, D.C. flight route?

Dublin (DUB) to Washington, D.C. Reagan-National Airport (DCA) is the cheapest Dublin to Washington, D.C. route, averaging €564 return. Other Dublin to Washington, D.C. routes average €632, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Dublin to Washington, D.C.?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Dublin to Washington, D.C.. It's 7% cheaper than the average day, while Tuesday is the most expensive, with prices 7% higher.

What is the cheapest month to fly from Dublin to Washington, D.C.?

•February is the cheapest month to fly from Dublin to Washington, D.C. at €503 return.
•August (€701) and July (€684) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 39% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Dublin to Washington, D.C. the cheapest?

Flights from Dublin to Washington, D.C. are cheapest 19 weeks before departure. Booking in this window typically costs about 28% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Dublin to Washington, D.C. flights

Low season

January

Cheapest flight

€393
Beat the crowds with an average 30% drop in travellers.
The most popular month to fly with an average 43% increase in travellers.
One-way flight from Dublin to Washington, D.C. Dulles Intl Airport

When to book flights from Dublin to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Dublin to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Flights from Dublin to Washington, D.C.: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Dublin to Washington, D.C. 
Verified travelerFlew with Aer Lingus-Aug 2026
Multiple security checks and immigration at Dublin airport so even 2-3 hours of layove is short.
Verified travelerFlew with Aer Lingus-Sept 2024
Allow a full 2 hours for check-in and boarding.

Your Dublin to Washington, D.C. flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Dublin to Washington, D.C.?

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

    • Earliest: departs at 12:05 and lands at 20:30
    • Latest: departs at 15:50 and lands at 00:15.

    The flight takes about 8h 25m.

  • Which cabin classes can I book on flights from Dublin to Washington, D.C.?

    Two cabin classes are available on flights from Dublin to Washington, D.C.:

    • Economy class
    • Business Class

  • How long is a flight from Dublin to Washington, D.C.?

    A direct flight from Dublin to Washington, D.C. takes 8h 25m, covering 8,750 km.

  • Do I need a passport to fly from Dublin to Washington, D.C.?

    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.

  • How much should I expect to pay for a Dublin to Washington, D.C. flight?

    Return flights from Dublin to Washington, D.C. range from €528 to €718, with an average of €627 over the past 12 months. Anything below €528 counts as a good deal.

  • How expensive are last-minute Dublin to Washington, D.C. flights?

    Last-minute fares on this route (booked within two weeks of departure) run 11% above the €627 route average. Book 19 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Dublin to Washington, D.C.?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €507 return via Reykjavik Keflavik Intl (KEF), compared with €636 for direct.

  • What is the standard checked bag allowance on flights from Dublin to Washington, D.C.?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €24–€89 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • How are flight departures from Dublin to Washington, D.C. spread across the day?

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

  • How are flight prices from Dublin to Washington, D.C. looking right now?

    One-way fares from Dublin to Washington, D.C. are currently higher than usual. Average one-way flight prices are about €584, which is 9% above the typical average for this route.

  • What car hire options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) – daily rates averaging €63:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

    Near Washington, D.C. Dulles Intl Airport (IAD) – daily rates averaging €62:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Dublin to Washington, D.C.?

    Flights from Dublin to Washington, D.C. usually depart from Dublin (DUB) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • What time of day has the fewest delays on flights from Dublin to Washington, D.C.?

    Morning flights have the fewest delays on this route.

  • At what point is a flight considered delayed from Dublin to Washington, D.C.?

    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. route, 13% of flights were delayed in the past three months, with delays averaging 2h 32m.

  • Which airports do connecting flights from Dublin to Washington, D.C. pass through?

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

    • Reykjavik Keflavik Intl (KEF) – 34% of one-stop connections
    • London Heathrow (LHR) – 26% of one-stop connections
    • Boston Logan Intl (BOS) – 21% of one-stop connections
    • Charlotte Douglas (CLT) – 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Dublin to Washington, D.C.?

    Yes. Flexible dates can save you up to 13% on flights from Dublin to Washington, D.C.. Thursday is the cheapest departure day at €588 return on average, while Tuesday is the most expensive at €676, a difference of €88.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Dublin to Washington, D.C.?

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

    • Aer Lingus
    • United Airlines

  • How much time can I save by choosing a different stopover airport from Dublin to Washington, D.C.?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 10h 14m, compared to 10h 19m via Philadelphia (PHL) and 10h 42m via New York John F Kennedy Intl (JFK).

  • What is the time difference between Dublin and Washington, D.C.?

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

  • What popular places can I visit in Washington, D.C.?

    Walter E. Washington Convention Center is one of the most viewed places in Washington, D.C. on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Dublin to Washington, D.C. flights?

    Among airlines operating Dublin to Washington, D.C. 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.

  • Which airlines include bags at no extra cost on Dublin to Washington, D.C. flights?

    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
    • Iberia: a cabin bag and a checked bag in Economy class

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

Your guide to booking Dublin to Washington, D.C. flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average €588, about €88 less than Tuesday fares (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 28% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Dublin to Washington, D.C. trip for February. Fares historically average €503 return in that month – typically €197 less than the most expensive month, which is August (based on the last 12 months).
  • For the best chance of arriving on time, fly with Aer Lingus. Over the past three months, 87% of Aer Lingus flights from Dublin to Washington, D.C. arrived on time, slightly above the route average of 87%. When flights on this route arrive late, they're delayed by an average of 2h 32m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Reykjavik Keflavik Intl Airport (KEF) can be cheaper than flying direct. The cheapest stopover option averages €507 return on this route – about €129 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG
    • Canopy by Hilton Washington D.C - The Wharf

Prefer to fly direct from Dublin to Washington, D.C.?

 
Find which airlines fly direct from Dublin Airport to Washington, D.C., which days they fly and book direct flights.

Direct departures

Dublin to Washington, D.C.

Monday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Tuesday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Wednesday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Thursday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Friday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Saturday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Sunday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

See more direct flights

Direct returns

Washington, D.C. to Dublin

Monday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Tuesday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Wednesday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Thursday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Friday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Saturday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

Sunday

Aer Lingus,United Airlines

Aer Lingus,United Airlines

See more direct flights

More options for your flight from Dublin to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car hire