€148 Find Cheap Flights from Washington, D.C. to Ireland – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Ireland departing on 14/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Best Ireland Flight Deals from Washington, D.C.

Cheapest return prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop€465
Cork
Cork1 stop€683
Shannon
Shannon1 stop€651
Knock
Knock2 stops€735
Milltown (Kerry)
Milltown (Kerry)2 stops€1,391
Donegal
Donegal2 stops€902
Dublin
Dublin1 stop€465
Cork
Cork1 stop€683
Shannon
Shannon1 stop€651
Knock
Knock2 stops€735
Milltown (Kerry)
Milltown (Kerry)2 stops€1,391
Donegal
Donegal2 stops€902

Cheap Flights from Washington, D.C. to Ireland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Tue, 20 Oct - Tue, 27 Oct
Icelandair Logo
20:30 - 11:05
BWI
-
DUB
9h 35m
1 stop
Icelandair Logo
11:30 - 19:40
DUB
-
BWI
12h 10m
1 stop
€465Icelandair
Sat, 17 Oct - Tue, 27 Oct
Icelandair Logo
20:30 - 11:05
BWI
-
DUB
9h 35m
1 stop
Icelandair Logo
11:30 - 19:40
DUB
-
BWI
12h 10m
1 stop
€466Icelandair
Mon, 27 Jul - Wed, 19 Aug
JetBlue Logo
17:59 - 08:20
DCA
-
DUB
9h 21m
1 stop
JetBlue Logo
11:30 - 22:59
DUB
-
DCA
16h 29m
1 stop
€547JetBlue
Fri, 28 Aug - Thu, 10 Sep
Multiple Airlines Logo
23:20 - 11:05
IAD
-
DUB
30h 45m
1 stop
Multiple Airlines Logo
10:40 - 15:00
DUB
-
IAD
33h 20m
3 stops
€548Multiple Airlines
Mon, 13 Jul - Fri, 17 Jul
Multiple Airlines Logo
20:30 - 13:15
IAD
-
DUB
11h 45m
1 stop
Multiple Airlines Logo
10:40 - 15:11
DUB
-
IAD
33h 31m
1 stop
€549Multiple Airlines
Wed, 11 Nov - Wed, 18 Nov
TAP AIR PORTUGAL Logo
22:30 - 23:20
IAD
-
DUB
19h 50m
1 stop
TAP AIR PORTUGAL Logo
16:55 - 15:15
DUB
-
IAD
27h 20m
1 stop
€553TAP AIR PORTUGAL
Thu, 22 Oct - Thu, 29 Oct
TAP AIR PORTUGAL Logo
22:35 - 18:05
IAD
-
DUB
14h 30m
1 stop
TAP AIR PORTUGAL Logo
04:25 - 16:15
DUB
-
IAD
15h 50m
1 stop
€554TAP AIR PORTUGAL
Sun, 16 Aug - Fri, 21 Aug
Aer Lingus Logo
11:42 - 05:10
DCA
-
DUB
12h 28m
1 stop
Aer Lingus Logo
13:20 - 19:57
DUB
-
DCA
11h 37m
1 stop
€557Aer Lingus
Tue, 10 Nov - Tue, 17 Nov
Aer Lingus Logo
17:25 - 08:20
DCA
-
DUB
9h 55m
1 stop
Aer Lingus Logo
13:00 - 19:57
DUB
-
DCA
11h 57m
1 stop
€569Aer Lingus
Mon, 10 Aug - Wed, 19 Aug
JetBlue Logo
06:10 - 09:00
DCA
-
DUB
21h 50m
1 stop
JetBlue Logo
11:30 - 22:59
DUB
-
DCA
16h 29m
1 stop
€578JetBlue
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Ireland flights

Get data-powered insights and trends into flights from Washington, D.C. to Ireland to help you find the cheapest flights, the best time to fly, and much more.

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

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Ireland from Washington, D.C. found in the last 72 hours was to Dublin, at €685 return. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 5 days was €685.

What is the cheapest time of day to fly to Ireland?

The average price for all round-trip flights from Washington, D.C. to Ireland depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €685 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €685.

Can I save money by flying with a stopover from Washington, D.C. to Ireland?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at €642 on average.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to Ireland is November, when tickets cost €108 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is €3,640 and €1,359 respectively.

How far in advance should I book a flight from Washington, D.C. to Ireland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from Washington, D.C. to Ireland, you should book around 3 weeks before departure, which saves you about 31% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight€148
Best time to beat the crowds (29% less expensive on average)
Most popular time to fly and prices are also 23% lower on average.
Flight from Washington Dulles Airport to Dublin

FAQs - booking Ireland flights

  • Do you need to get a visa to fly from Washington, D.C., to Ireland?

    For entry into Ireland, U.S. citizens require only a valid passport, with no visa necessary for tourism or business stays lasting up to 90 days. The Irish Immigration Department may request evidence of ample funds upon arrival. Additionally, it's crucial to have at least one empty passport page for entry stamps.

  • What are some of the things to be aware of regarding child car seat laws in Ireland before I start driving after I arrive at the airport in Ireland?

    Children under 15 months old traveling in a vehicle in Ireland need to travel in a rear-facing car seat and then one facing forward until they are four years old. Children between the ages of four and six must travel in a booster seat, and then up to 12 years of age, they must travel on a booster cushion unless they've reached a weight of 79 lb. or a height of 59 in.

  • What would make a good choice for a sustainable airline for this flight?

    Aer Lingus is committed to sustainability, focusing on reducing its environmental impact. The airline invests in fuel-efficient aircraft, implements eco-friendly practices, and works to minimize carbon emissions. Aer Lingus actively engages in recycling efforts and collaborates with sustainable suppliers. The airline aims to contribute to a more environmentally conscious aviation industry through these initiatives, aligning with global efforts to address climate change and promote responsible business practices.

  • What are some reasons to upgrade to first class on United Airlines?

    Upgrading to First Class on United Airlines for flights from Washington, D.C., to Ireland offers an elevated travel experience. Passengers enjoy spacious seating, enhanced comfort, premium dining options, and personalized service. Priority boarding and access to exclusive airport lounges add convenience. The upgraded amenities provide a luxurious journey, making the long-haul flight more comfortable and enjoyable for travelers seeking a superior level of service.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington, D.C. to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Washington, D.C. to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington, D.C. to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ireland

  • When you want to travel from Washington, D.C. to Ireland, one of the quickest trips is aboard the direct flights offered by Aer Lingus and United Airlines that travel between Washington Dulles International Airport (IAD) and Dublin Airport (DUB).
  • Passengers looking to travel to the Shannon Airport (SNN) from Ronald Reagan Washington National Airport (DCA) can do so on a one-stop flight offered by United Airlines that has a layover at Newark International Airport (EWR).
  • If you are going to be flying aboard United Airlines from Washington Dulles International Airport, you have the option of waiting for your flight at one of the five United Club locations you will find at this airport.
  • Passengers who want to make their way to the Cork Airport (ORK) from Baltimore Washington International Airport (BWI) will find that Aer Lingus offers a one-stop flight that has a layover at Heathrow Airport (LHR).
  • Passengers planning to depart early in the morning on a flight to Ireland from Washington Dulles International Airport should consider staying the night before their flight at the Washington Dulles Airport Marriott, which sits right on the airport grounds.

Everything you need to know for your flight from Washington, D.C. to Ireland

Cabin class types available on flights to Ireland

Cabin classes available on flights to Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.