IAD - DUB

€216 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 4/2. 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
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Everything you should know

Cheapest return fare
€373
Overall average: €581
TAP AIR PORTUGAL
Sun 26/4Sat 9/5
IAD - DUB • 1 stop
Cheapest direct flights
€454
Typical prices: €520-€753
Aer Lingus
Wed 22/4Mon 27/4
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 20% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 20% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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KAYAK searches hundreds of sites at once to find you the best travel deals.
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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

Sun, 26 Apr - Sat, 9 May
TAP AIR PORTUGAL Logo
22:35 - 18:05
IAD
-
DUB
14h 30m
1 stop
TAP AIR PORTUGAL Logo
10:45 - 15:05
DUB
-
IAD
33h 20m
1 stop
€373TAP AIR PORTUGAL
Sun, 19 Apr - Wed, 6 May
TAP AIR PORTUGAL Logo
22:35 - 18:05
IAD
-
DUB
14h 30m
1 stop
TAP AIR PORTUGAL Logo
10:45 - 20:35
DUB
-
IAD
14h 50m
1 stop
€377TAP AIR PORTUGAL
Wed, 18 Feb - Wed, 25 Feb
TAP AIR PORTUGAL Logo
22:30 - 23:20
IAD
-
DUB
19h 50m
1 stop
TAP AIR PORTUGAL Logo
16:55 - 15:15
DUB
-
IAD
27h 20m
1 stop
€379TAP AIR PORTUGAL
Mon, 27 Apr - Mon, 11 May
TAP AIR PORTUGAL Logo
22:35 - 18:05
IAD
-
DUB
14h 30m
1 stop
TAP AIR PORTUGAL Logo
18:50 - 15:05
DUB
-
IAD
25h 15m
1 stop
€383TAP AIR PORTUGAL
Mon, 20 Apr - Mon, 4 May
TAP AIR PORTUGAL Logo
22:35 - 10:00
IAD
-
DUB
30h 25m
1 stop
TAP AIR PORTUGAL Logo
18:50 - 15:05
DUB
-
IAD
25h 15m
1 stop
€389TAP AIR PORTUGAL
Sat, 18 Apr - Sun, 26 Apr
Scandinavian Airlines Logo
20:20 - 10:25
IAD
-
DUB
33h 05m
2 stops
Scandinavian Airlines Logo
19:05 - 16:50
DUB
-
IAD
26h 45m
1 stop
€392Scandinavian Airlines
Wed, 25 Feb - Wed, 4 Mar
TAP AIR PORTUGAL Logo
22:30 - 10:20
IAD
-
DUB
30h 50m
1 stop
TAP AIR PORTUGAL Logo
16:55 - 15:15
DUB
-
IAD
27h 20m
1 stop
€393TAP AIR PORTUGAL
Fri, 17 Apr - Sat, 25 Apr
Scandinavian Airlines Logo
20:20 - 18:20
IAD
-
DUB
17h 00m
1 stop
Scandinavian Airlines Logo
19:05 - 16:50
DUB
-
IAD
26h 45m
1 stop
€394Scandinavian Airlines
Fri, 17 Apr - Sat, 25 Apr
Scandinavian Airlines Logo
20:20 - 19:10
IAD
-
DUB
17h 50m
2 stops
Scandinavian Airlines Logo
10:15 - 16:50
DUB
-
IAD
11h 35m
1 stop
€394Scandinavian Airlines
Mon, 16 Feb - Sun, 1 Mar
Scandinavian Airlines Logo
20:30 - 18:20
IAD
-
DUB
16h 50m
1 stop
Scandinavian Airlines Logo
19:05 - 17:15
DUB
-
IAD
27h 10m
1 stop
€395Scandinavian 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 €474 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is €828 and €801 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.

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 €448 on average.

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 20% 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€210
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly and prices are also 7% 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 €373 for a return.

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

    American Airlines, and SWISS 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 Airbus A321neo 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