€212 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 27/7. 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

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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
Dublin2 stops€241
Cork
Cork1 stop€504
Shannon
Shannon1 stop€480
Knock
Knock2 stops€796
Milltown (Kerry)
Milltown (Kerry)1 stop€811
Dublin
Dublin2 stops€241
Cork
Cork1 stop€504
Shannon
Shannon1 stop€480
Knock
Knock2 stops€796
Milltown (Kerry)
Milltown (Kerry)1 stop€811

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, 20 Jul - Wed, 20 Aug
SWISS Logo
20:45 - 19:05IAD-DUB
17h 20m2 stops
SWISS Logo
13:00 - 16:15DUB-IAD
32h 15m1 stop
€241SWISS
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Tue, 21 Oct - Wed, 29 Oct
Scandinavian Airlines Logo
22:05 - 18:15IAD-DUB
15h 10m1 stop
Scandinavian Airlines Logo
12:30 - 18:15DUB-IAD
33h 45m1 stop
€320Scandinavian Airlines
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Fri, 10 Oct - Sun, 19 Oct
TAP AIR PORTUGAL Logo
17:00 - 00:05IAD-DUB
26h 05m1 stop
TAP AIR PORTUGAL Logo
18:50 - 20:50DUB-IAD
31h 00m1 stop
€365TAP AIR PORTUGAL
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Wed, 1 Oct - Wed, 8 Oct
TAP AIR PORTUGAL Logo
17:50 - 00:05IAD-DUB
25h 15m1 stop
TAP AIR PORTUGAL Logo
10:45 - 20:50DUB-IAD
15h 05m1 stop
€366TAP AIR PORTUGAL
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Wed, 22 Oct - Wed, 5 Nov
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
Aer Lingus Logo
16:20 - 19:30DUB-IAD
8h 10mdirect
€396Aer Lingus
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Mon, 11 Aug - Wed, 20 Aug
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
Aer Lingus Logo
16:35 - 19:30DUB-IAD
7h 55mdirect
€400Aer Lingus
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Wed, 22 Oct - Wed, 5 Nov
United Airlines Logo
22:15 - 10:20IAD-DUB
7h 05mdirect
United Airlines Logo
09:00 - 16:27DUB-IAD
12h 27m1 stop
€401United Airlines
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Mon, 11 Aug - Wed, 20 Aug
United Airlines Logo
22:15 - 10:20IAD-DUB
7h 05mdirect
United Airlines Logo
09:50 - 16:28DUB-IAD
35h 38m2 stops
€404United Airlines
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Wed, 22 Oct - Wed, 5 Nov
Air Canada Logo
13:00 - 08:15IAD-DUB
14h 15m2 stops
Air Canada Logo
09:00 - 21:22DUB-IAD
17h 22m2 stops
€407Air Canada
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Mon, 22 Sep - Fri, 10 Oct
Air Canada Logo
08:16 - 07:45IAD-DUB
18h 29m2 stops
Air Canada Logo
09:50 - 11:33DUB-IAD
30h 43m2 stops
€471Air Canada
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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?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Washington, D.C. Dulles Intl Airport to Ireland.

The cheapest ticket to Ireland from Washington, D.C. Dulles Intl Airport found in the last 72 hours was to Dublin, at €393 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 €393.

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 2 stops stopover the cheapest option at €1,089 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 €503 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of return tickets is €788 and €755 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 Friday is the most expensive. Flying from Ireland back to Washington Dulles Airport, the best deals are generally found on Monday, with Saturday 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 the flight from Washington, D.C. Dulles Intl Airport to Ireland, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.


Good to know

Low seasonFebruary
High seasonSeptember
Cheapest flight€212
Best time to beat the crowds (17% 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.

  • 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 €729 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 €800.

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

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