€217 Find Cheap Flights from Washington Dulles Airport to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Ireland departing on 24/1. 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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Best Ireland Flight Deals from Dulles Intl

Cheapest return prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop€415
Cork
Cork1 stop€503
Shannon
Shannon1 stop€500
Knock
Knock1 stop€767
Milltown (Kerry)
Milltown (Kerry)1 stop€663
Dublin
Dublin1 stop€415
Cork
Cork1 stop€503
Shannon
Shannon1 stop€500
Knock
Knock1 stop€767
Milltown (Kerry)
Milltown (Kerry)1 stop€663

Cheap Flights from Dulles Intl to Ireland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Dulles Intl 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 Dulles Intl to Ireland

Wed, 11 Feb - Wed, 18 Feb
Scandinavian Airlines Logo
20:30 - 18:20
IAD
-
DUB
16h 50m1 stop
Scandinavian Airlines Logo
12:30 - 17:15
DUB
-
IAD
33h 45m1 stop
€415Scandinavian Airlines
Wed, 15 Apr - Sun, 26 Apr
Scandinavian Airlines Logo
20:20 - 18:20
IAD
-
DUB
17h 00m1 stop
Scandinavian Airlines Logo
10:15 - 16:50
DUB
-
IAD
11h 35m1 stop
€416Scandinavian Airlines
Mon, 4 May - Mon, 11 May
American Airlines Logo
22:25 - 20:35
IAD
-
SNN
17h 10m1 stop
American Airlines Logo
21:15 - 15:50
SNN
-
IAD
23h 35m1 stop
€500American Airlines
Tue, 31 Mar - Tue, 7 Apr
Delta Logo
18:15 - 14:40
IAD
-
ORK
15h 25m1 stop
Delta Logo
10:50 - 15:35
ORK
-
IAD
33h 45m1 stop
€503Delta
Sun, 1 Mar - Tue, 10 Mar
Delta Logo
18:50 - 15:00
IAD
-
ORK
15h 10m1 stop
Delta Logo
06:00 - 17:05
ORK
-
IAD
15h 05m1 stop
€504Delta
Mon, 30 Mar - Fri, 10 Apr
KLM Logo
18:10 - 23:30
IAD
-
ORK
24h 20m1 stop
KLM Logo
06:00 - 15:35
ORK
-
IAD
14h 35m1 stop
€508KLM
Tue, 31 Mar - Fri, 10 Apr
KLM Logo
19:59 - 16:35
IAD
-
ORK
15h 36m2 stops
KLM Logo
06:00 - 15:35
ORK
-
IAD
14h 35m1 stop
€511KLM
Tue, 27 Jan - Tue, 3 Feb
American Airlines Logo
21:45 - 16:45
IAD
-
SNN
14h 00m1 stop
American Airlines Logo
07:50 - 15:35
SNN
-
IAD
12h 45m1 stop
€516American Airlines
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
19:40 - 19:20
IAD
-
SNN
18h 40m2 stops
Multiple Airlines Logo
17:30 - 18:30
SNN
-
IAD
30h 00m2 stops
€564Multiple Airlines
Wed, 1 Apr - Tue, 7 Apr
Multiple Airlines Logo
17:20 - 10:15
IAD
-
KIR
11h 55m1 stop
Multiple Airlines Logo
14:40 - 08:18
KIR
-
IAD
46h 38m2 stops
€663Multiple Airlines
Booking Insights

KAYAK's insights & trends for Dulles Intl to Ireland flights

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

What is the cheapest Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport found in the last 72 hours was to Dublin, at €501 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 72 hours was €501.

Can I save money by flying with a stopover from Washington, D.C. Dulles Intl Airport 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 €454 on average.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Ireland is February, when tickets cost €509 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is €856 and €811 respectively.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Ireland?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Ireland clicked on KAYAK for each day over the last 12 months.

For Washington Dulles Airport to Ireland, Tuesday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from Ireland back to Washington Dulles Airport, the best deals are generally found on Thursday, with Sunday being the most expensive.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Ireland, you should book around 3 weeks before departure, which saves you about 22% 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€202
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly and prices are also 7% lower on average.
Flight from Washington Dulles Airport to Dublin

FAQs - booking Ireland flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport 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 Dulles Airport to Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport 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 Dulles Airport 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 Dulles Airport 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 Dulles Airport 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 Dulles Airport to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

    The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €619 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 €680.

Everything you need to know for your flight from Dulles Intl to Ireland

Information on your arrival and departure airports