IAD - DUB

€212 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 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

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

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
Find Deal
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
Find Deal
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
Find Deal
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
Find Deal
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
Find Deal
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
Find Deal
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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 Monday, and avoid Saturdays 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 €503 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is €788 and €755 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. 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

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 €245 for a one-way ticket and €279 for a return.

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

    American Airlines, SWISS, United Airlines, and Lufthansa 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.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Dublin

  • Looking for a cheap flight? 25% of our users found flights on this route for €587 or less round-trip.

Prefer to fly direct 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, +4 more

Aer Lingus, Air Canada, +5 more

Tuesday

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

Aer Lingus, Air Canada, +5 more

Wednesday

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

Aer Lingus, Air Canada, +5 more

Thursday

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

Aer Lingus, Air Canada, +5 more

Friday

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

Aer Lingus, Air Canada, +5 more

Saturday

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

Aer Lingus, Air Canada, +5 more

Sunday

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

Aer Lingus, Air Canada, +5 more

See more direct flights

Direct returns

Dublin to Washington, D.C. Dulles Intl

Monday

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

Aer Lingus, Air Canada, +5 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +3 more

Aer Lingus, Air Canada, +4 more

Wednesday

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

Aer Lingus, Air Canada, +5 more

Thursday

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

Aer Lingus, Air Canada, +5 more

Friday

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

Aer Lingus, Air Canada, +5 more

Saturday

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

Aer Lingus, Air Canada, +5 more

Sunday

Aer Lingus, Air Canada, American Airlines, +3 more

Aer Lingus, Air Canada, +4 more

See more direct flights
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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