€263 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 26/4. 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 Dulles Intl

Cheapest return prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop€511
Cork
Cork1 stop€706
Shannon
Shannon1 stop€718
Knock
Knock1 stop€950
Milltown (Kerry)
Milltown (Kerry)1 stop€845
Donegal
Donegal2 stops€893
Dublin
Dublin1 stop€511
Cork
Cork1 stop€706
Shannon
Shannon1 stop€718
Knock
Knock1 stop€950
Milltown (Kerry)
Milltown (Kerry)1 stop€845
Donegal
Donegal2 stops€893

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

Sun, 19 Apr - Tue, 28 Apr
Scandinavian Airlines Logo
20:20 - 18:20
IAD
-
DUB
17h 00m
1 stop
Scandinavian Airlines Logo
12:40 - 17:00
DUB
-
IAD
33h 20m
1 stop
€511Scandinavian Airlines
Sat, 18 Apr - Fri, 8 May
Scandinavian Airlines Logo
20:20 - 18:20
IAD
-
DUB
17h 00m
1 stop
Scandinavian Airlines Logo
12:40 - 17:00
DUB
-
IAD
33h 20m
1 stop
€512Scandinavian Airlines
Thu, 16 Apr - Tue, 21 Apr
Turkish Airlines Logo
13:20 - 16:00
IAD
-
DUB
21h 40m
1 stop
Turkish Airlines Logo
05:35 - 11:35
DUB
-
IAD
35h 00m
1 stop
€515Turkish Airlines
Thu, 16 Apr - Tue, 21 Apr
Turkish Airlines Logo
13:20 - 16:00
IAD
-
DUB
21h 40m
1 stop
Turkish Airlines Logo
05:35 - 11:35
DUB
-
IAD
35h 00m
1 stop
€519Turkish Airlines
Sun, 19 Apr - Wed, 13 May
Delta Logo
21:45 - 14:40
IAD
-
ORK
11h 55m
1 stop
Delta Logo
06:15 - 15:35
ORK
-
IAD
14h 20m
1 stop
€706Delta
Wed, 15 Apr - Fri, 8 May
Delta Logo
12:45 - 14:40
IAD
-
ORK
20h 55m
2 stops
Delta Logo
06:15 - 15:35
ORK
-
IAD
14h 20m
1 stop
€710Delta
Tue, 8 Sep - Wed, 16 Sep
KLM Logo
12:30 - 11:10
IAD
-
SNN
17h 40m
1 stop
KLM Logo
13:05 - 19:16
SNN
-
IAD
11h 11m
1 stop
€718KLM
Tue, 8 Sep - Wed, 16 Sep
Multiple Airlines Logo
16:00 - 11:10
IAD
-
SNN
14h 10m
2 stops
Multiple Airlines Logo
13:05 - 00:10
SNN
-
IAD
16h 05m
2 stops
€723Multiple Airlines
Tue, 8 Sep - Wed, 16 Sep
KLM Logo
12:30 - 11:10
IAD
-
SNN
17h 40m
1 stop
KLM Logo
13:05 - 00:10
SNN
-
IAD
16h 05m
2 stops
€731KLM
Tue, 28 Apr - Tue, 5 May
Multiple Airlines Logo
20:30 - 23:35
IAD
-
SNN
22h 05m
2 stops
Multiple Airlines Logo
18:30 - 21:25
SNN
-
IAD
31h 55m
3 stops
€745Multiple 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 €583 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 €583.

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

The average price for all round-trip flights from Washington, D.C. Dulles Intl Airport 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 in the evening, when retur flights cost €621 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 at night, which is peak travel time and where the average cost of a ticket is €633.

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 €464 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 January, when tickets cost €526 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is €853 and €777 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 seasonJanuary
Cheapest flight€263
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly and prices are also 8% 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.

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

Information on your arrival and departure airports