IAD - DUB

€198 Find Cheap Flights from Washington Dulles Airport to Dublin

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 Dublin departing on 17/11. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Dublin

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Dublin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Dublin, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Dulles Intl to Dublin (IAD-DUB)

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

Mo, 8 Sep - Mi, 17 Sep
Aer Lingus Logo
20:25 - 08:15IAD-DUB
6h 50mdirect
Aer Lingus Logo
16:35 - 19:30DUB-IAD
7h 55mdirect
€353Aer Lingus
Find Deal
Mo, 15 Sep - Mi, 17 Sep
Aer Lingus Logo
20:25 - 08:15IAD-DUB
6h 50mdirect
Aer Lingus Logo
12:50 - 15:50DUB-IAD
8h 00mdirect
€360Aer Lingus
Find Deal
So, 7 Sep - Di, 16 Sep
TAP AIR PORTUGAL Logo
22:20 - 18:05IAD-DUB
14h 45m1 stop
TAP AIR PORTUGAL Logo
18:50 - 15:20DUB-IAD
25h 30m1 stop
€365TAP AIR PORTUGAL
Find Deal
Mi, 22 Okt - Mi, 5 Nov
TAP AIR PORTUGAL Logo
22:20 - 18:05IAD-DUB
14h 45m1 stop
TAP AIR PORTUGAL Logo
16:55 - 15:15DUB-IAD
27h 20m1 stop
€368TAP AIR PORTUGAL
Find Deal
Fr, 14 Nov - Sa, 22 Nov
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
Icelandair Logo
11:30 - 18:20DUB-IAD
11h 50m1 stop
€374Icelandair
Find Deal
Di, 18 Nov - Sa, 22 Nov
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
Icelandair Logo
11:30 - 18:20DUB-IAD
11h 50m1 stop
€375Icelandair
Find Deal
So, 10 Aug - Di, 26 Aug
Air Canada Logo
09:35 - 07:45IAD-DUB
17h 10m1 stop
Air Canada Logo
09:50 - 09:37DUB-IAD
28h 47m1 stop
€378Air Canada
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So, 10 Aug - Di, 26 Aug
Air Canada Logo
19:05 - 07:10IAD-DUB
7h 05mdirect
Air Canada Logo
09:50 - 09:37DUB-IAD
28h 47m1 stop
€394Air Canada
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Mi, 13 Aug - Mi, 20 Aug
United Airlines Logo
09:35 - 07:45IAD-DUB
17h 10m1 stop
United Airlines Logo
09:50 - 11:55DUB-IAD
31h 05m2 stops
€398United Airlines
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Mo, 11 Aug - Do, 21 Aug
United Airlines Logo
19:05 - 07:10IAD-DUB
7h 05mdirect
United Airlines Logo
09:20 - 21:01DUB-IAD
16h 41m1 stop
€403United Airlines
Find Deal
Booking Insights

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

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

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

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

Your flight ticket price will generally be cheaper if you fly to Dublin on a Tuesday and more expensive on a Friday. On your return trip to Washington Dulles Airport, you should consider flying back on a Thursday, and avoid Sundays for better deals.

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

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 Dublin, 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 Dublin is January, where tickets cost €512 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is €796 and €771 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Dublin?

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 Dublin, 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 Dublin, you should book around 3 weeks before departure, which saves you about 28% 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€198
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly and prices are also 6% lower on average.
Flight from Washington Dulles Airport to Dublin

When to book flights from Dulles Intl to Dublin

Are your dates flexible? Find out the best times to travel from Dulles Intl to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Dublin flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Dublin?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Dublin was €226 for a one-way ticket and €403 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Dublin?

    American Airlines, SWISS, Lufthansa, and United Airlines offer inflight Wi-Fi service on the Washington Dulles Airport to Dublin flight route.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Dublin?

    The Boeing 757-200 is the aircraft model that flies most regularly on the Washington Dulles Airport to Dublin flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Dublin?

    oneworld, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Dublin, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Washington Dulles Airport to Dublin?

    There are direct flights from Washington Dulles Airport to Dublin on a daily basis.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Dublin?

    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 Dublin.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Washington Dulles Airport 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 Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Dublin with an airline and back to Washington Dulles Airport 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 Dublin?

    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 to Dublin from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

 
Nonstop data is based off flight results for the next 60 days. Find direct flights from all airlines flying nonstop from Washington, D.C. Dulles Intl to Dublin.
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Dublin

Monday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Thursday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Friday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

See more direct flights

Direct returns

Dublin to Washington, D.C. Dulles Intl

Monday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Thursday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Friday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

See more direct flights

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

Information on your arrival and departure airports

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