IAD - DUB

€210 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 20/1. 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

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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
€420
Overall average: €519
Scandinavian Airlines
Thu 22/1Wed 28/1
IAD - DUB • 2 stops
Cheapest direct flights
€422
Typical prices: €471-€651
United Airlines
Tue 24/3Tue 31/3
IAD - DUB • Direct
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 17% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 17% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dublin!
Flight Deals
Booking Insights
Flight 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

Thu, 22 Jan - Wed, 28 Jan
Scandinavian Airlines Logo
12:23 - 18:20
IAD
-
DUB
24h 57m2 stops
Scandinavian Airlines Logo
11:30 - 17:15
DUB
-
IAD
34h 45m2 stops
€420Scandinavian Airlines
Sat, 31 Jan - Sat, 7 Feb
Icelandair Logo
19:40 - 10:15
IAD
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 - 18:30
DUB
-
IAD
12h 00m1 stop
€421Icelandair
Sat, 31 Jan - Sat, 7 Feb
Scandinavian Airlines Logo
20:30 - 11:45
IAD
-
DUB
34h 15m2 stops
Scandinavian Airlines Logo
10:10 - 17:15
DUB
-
IAD
60h 05m2 stops
€422Scandinavian Airlines
Sat, 24 Jan - Sat, 31 Jan
Scandinavian Airlines Logo
20:30 - 11:45
IAD
-
DUB
34h 15m2 stops
Scandinavian Airlines Logo
10:10 - 18:50
DUB
-
IAD
13h 40m1 stop
€422Scandinavian Airlines
Tue, 27 Jan - Sat, 31 Jan
Icelandair Logo
19:40 - 10:15
IAD
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 - 18:30
DUB
-
IAD
12h 00m1 stop
€423Icelandair
Mon, 12 Jan - Sun, 18 Jan
Scandinavian Airlines Logo
12:23 - 11:45
IAD
-
DUB
18h 22m2 stops
Scandinavian Airlines Logo
10:10 - 15:20
DUB
-
IAD
34h 10m1 stop
€424Scandinavian Airlines
Fri, 27 Feb - Thu, 5 Mar
Icelandair Logo
19:40 - 10:15
IAD
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 - 18:30
DUB
-
IAD
12h 00m1 stop
€425Icelandair
Mon, 23 Mar - Mon, 30 Mar
Scandinavian Airlines Logo
21:30 - 18:20
IAD
-
DUB
16h 50m1 stop
Scandinavian Airlines Logo
19:50 - 16:50
DUB
-
IAD
50h 00m2 stops
€427Scandinavian Airlines
Mon, 12 Jan - Sun, 18 Jan
TAP AIR PORTUGAL Logo
17:30 - 16:10
IAD
-
DUB
17h 40m1 stop
TAP AIR PORTUGAL Logo
11:10 - 21:00
DUB
-
IAD
14h 50m1 stop
€428TAP AIR PORTUGAL
Tue, 24 Mar - Tue, 31 Mar
Scandinavian Airlines Logo
13:19 - 18:20
IAD
-
DUB
25h 01m2 stops
Scandinavian Airlines Logo
12:40 - 16:50
DUB
-
IAD
33h 10m1 stop
€428Scandinavian Airlines
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 Wednesday. 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 February, where tickets cost €512 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is €843 and €808 respectively.

Can I save money by flying with a stopover from Washington, D.C. Dulles Intl Airport to Dublin?

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.

No, with an average price for the route of €456, prices are generally cheapest when you fly direct.

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 2 weeks before departure, which saves you about 17% 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€210
Best time to beat the crowds (17% 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 €210 for a one-way ticket and €420 for a return.

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

    American Airlines, 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.

  • 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, United Airlines

Aer Lingus, United Airlines

Tuesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Wednesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Thursday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Friday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Saturday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Sunday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

See more direct flights

Direct returns

Dublin to Washington, D.C. Dulles Intl

Monday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Tuesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Wednesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Thursday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Friday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Saturday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Sunday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

See more direct flights

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

Information on your arrival and departure airports