Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from $311

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Dublin departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Dublin that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to Dublin.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport to Dublin? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Dublin, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to Dublin

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport to Dublin.

All round-trip flight deals from Washington, D.C. Dulles Intl Airport to Dublin

The cheapest plane tickets from Washington, D.C. Dulles Intl Airport to Dublin found on KAYAK recently.
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
11:30 am - 6:25 pmDUB-IAD
11h 55m1 stop
$363Icelandair
Find Deal
Tue, Feb 25 - Tue, Mar 4
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
11:30 am - 6:25 pmDUB-IAD
11h 55m1 stop
$365Icelandair
Find Deal
Sun, Feb 23 - Sat, Mar 1
8:45 pm - 8:30 amIAD-DUB
6h 45mnonstop
4:40 pm - 8:45 pmDUB-IAD
8h 05mnonstop
$424Aer Lingus
Find Deal
Mon, Mar 3 - Tue, Mar 11
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
4:40 pm - 7:45 pmDUB-IAD
8h 05mnonstop
$427Aer Lingus
Find Deal
Tue, Feb 25 - Tue, Mar 4
10:05 pm - 6:15 pmIAD-DUB
15h 10m1 stop
7:05 pm - 7:59 pmDUB-IAD
29h 54m1 stop
$477Scandinavian Airlines
Find Deal
Tue, Apr 1 - Mon, Apr 14
5:10 pm - 11:40 amIAD-DUB
13h 30m1 stop
12:30 pm - 4:40 pmDUB-IAD
32h 10m1 stop
$478Scandinavian Airlines
Find Deal
Mon, Mar 3 - Wed, Mar 12
12:05 pm - 8:45 amIAD-DUB
15h 40m1 stop
12:00 pm - 9:05 pmDUB-IAD
14h 05m1 stop
$490Delta
Find Deal
Mon, Feb 3 - Wed, Feb 26
12:05 pm - 8:25 amIAD-DUB
15h 20m2 stops
10:45 am - 6:55 pmDUB-IAD
13h 10m1 stop
$495Delta
Find Deal
Wed, Feb 19 - Tue, Mar 4
6:00 pm - 9:40 amIAD-DUB
10h 40m1 stop
8:40 am - 3:35 pmDUB-IAD
11h 55m1 stop
$499British Airways
Find Deal
Tue, Feb 11 - Thu, Feb 20
9:55 pm - 5:00 pmIAD-DUB
14h 05m1 stop
5:50 pm - 4:35 pmDUB-IAD
26h 45m1 stop
$505British Airways
Find Deal
Wed, Mar 5 - Mon, Mar 17
7:40 pm - 8:25 pmIAD-DUB
19h 45m2 stops
Thu, Jan 30
7:40 pm - 10:25 pmIAD-DUB
21h 45m2 stops
Mon, Jan 27
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
$320Icelandair
Find Deal
Mon, Feb 24
7:40 pm - 11:00 pmIAD-DUB
22h 20m2 stops
Mon, Feb 17
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
$339Icelandair
Find Deal
Wed, Jan 29
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
$417Aer Lingus
Find Deal
Thu, Jan 30
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
$421Aer Lingus
Find Deal
Wed, Jan 29
11:05 pm - 10:15 pmIAD-DUB
18h 10m3 stops
$738Lufthansa
Find Deal
Sat, Apr 12
5:50 pm - 11:30 amIAD-DUB
12h 40m1 stop
$770Lufthansa
Find Deal
Fri, Feb 21
7:05 pm - 7:10 amIAD-DUB
7h 05mnonstop
$857United Airlines
Find Deal
Sat, Jun 14
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
11:30 am - 6:25 pmDUB-IAD
11h 55m1 stop
$364Icelandair
Find Deal
Wed, Jan 22 - Thu, Jan 30
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
11:30 am - 6:25 pmDUB-IAD
11h 55m1 stop
$365Icelandair
Find Deal
Sat, Jan 25 - Thu, Feb 27
10:30 pm - 4:10 pmIAD-DUB
12h 40m1 stop
4:55 pm - 9:00 pmDUB-IAD
33h 05m1 stop
$437TAP AIR PORTUGAL
Find Deal
Sun, Jan 26 - Tue, Feb 4
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
1:10 pm - 8:20 pmDUB-IAD
12h 10m1 stop
$536Aer Lingus
Find Deal
Sun, Jan 26 - Tue, Feb 4
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
$671Aer Lingus
Find Deal
Wed, Jan 22 - Thu, Jan 30
10:05 pm - 5:15 pmIAD-DUB
14h 10m2 stops
5:00 am - 2:00 pmDUB-IAD
14h 00m2 stops
$1,146Lufthansa
Find Deal
Sun, Jan 26 - Tue, Feb 4
6:00 pm - 12:10 pmIAD-DUB
13h 10m1 stop
6:40 am - 3:35 pmDUB-IAD
13h 55m2 stops
$1,298British Airways
Find Deal
Sun, Jan 26 - Thu, Jan 30
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
$1,359British Airways
Find Deal
Sun, Jan 26 - Tue, Feb 4
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
$1,367American Airlines
Find Deal
Wed, Jan 22 - Thu, Jan 30
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
$1,469American Airlines
Find Deal
Sun, Jan 26 - Fri, Jan 31
8:45 pm - 8:30 amIAD-DUB
6h 45mnonstop
4:40 pm - 8:45 pmDUB-IAD
8h 05mnonstop
$424Aer Lingus
Find Deal
Mon, Mar 3 - Tue, Mar 11
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
$427Aer Lingus
Find Deal
Wed, Feb 19 - Thu, Feb 27
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 4:40 pmDUB-IAD
8h 10mnonstop
$428Aer Lingus
Find Deal
Mon, Mar 3 - Wed, Mar 12
6:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
4:40 pm - 8:45 pmDUB-IAD
8h 05mnonstop
$433Aer Lingus
Find Deal
Tue, Mar 18 - Tue, Mar 25
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
4:35 pm - 7:30 pmDUB-IAD
7h 55mnonstop
$436Aer Lingus
Find Deal
Tue, Apr 1 - Tue, Apr 8
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
$656American Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
4:35 pm - 7:30 pmDUB-IAD
7h 55mnonstop
$660American Airlines
Find Deal
Wed, Apr 2 - Tue, Apr 8
5:10 pm - 4:55 amIAD-DUB
6h 45mnonstop
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
Fri, Jan 31 - Mon, Feb 3
10:05 pm - 10:05 amIAD-DUB
7h 00mnonstop
11:50 am - 3:10 pmDUB-IAD
8h 20mnonstop
$753United Airlines
Find Deal
Thu, Feb 20 - Thu, Feb 27
11:05 pm - 10:05 amIAD-DUB
7h 00mnonstop
11:50 am - 4:10 pmDUB-IAD
8h 20mnonstop
$775United Airlines
Find Deal
Wed, Mar 19 - Sat, Mar 29

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Dublin

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
Scandinavian Airlines
Apr 1
IAD10:05 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
DUB6:15 pmDublin
Apr 14
DUB7:05 pmDublin
29h 54m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Mar 3
IAD5:10 pmWashington, D.C. Dulles Intl
13h 30m
1 stop
DUB11:40 amDublin
Mar 12
DUB12:30 pmDublin
32h 10m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Apr 29
IAD10:05 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
DUB6:15 pmDublin
May 6
DUB11:45 amDublin
37h 14m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl

KLM flights from Washington, D.C. Dulles Intl Airport to Dublin

Our best KLM deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
KLM
Mar 11
IAD7:59 pmWashington, D.C. Dulles Intl
8h 46m
1 stop
DUB8:45 amDublin
Mar 24
DUB5:25 pmDublin
27h 20m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
KLM
Jan 29
IAD12:05 pmWashington, D.C. Dulles Intl
15h 40m
1 stop
DUB8:45 amDublin
Feb 3
DUB5:25 pmDublin
27h 20m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
KLM
Mar 5
IAD5:35 pmWashington, D.C. Dulles Intl
18h 05m
1 stop
DUB4:40 pmDublin
Mar 17
DUB1:25 pmDublin
31h 20m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl

See travel insights to Dublin from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dublin?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $533. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Dublin during January average around $538.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Dublin is on a Sunday. Travelers who choose to depart for Dublin on a Sunday will often find tickets for as low as $655. Flights from Washington, D.C. Dulles Intl Airport to Dublin on a Friday will generally be more expensive and average around $805. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

In the afternoon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Dublin when you can find flight prices for as low as $603. Flying to Dublin in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $929.

What is the cheapest Washington, D.C. Dulles Intl to Dublin flight route?

Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. Dulles Intl - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Washington, D.C. Dulles Intl Airport when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $721 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Washington, D.C. Dulles Intl Airport for as low as $638 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Dublin flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to Dublin flight prices changed over time?

As of January 2025, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 41% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Dublin (IAD to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Dublin

Best Price Found

$311

Fastest flight time

6h 45m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Washington, D.C. Dulles Intl Airport in the past 72 hours is $311. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Dublin found on momondo in the last 72 hours is $363.
The fastest flight from Washington, D.C. Dulles Intl Airport to Dublin takes 6h 45m
Direct flights go from Washington, D.C. Dulles Intl Airport to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)

  • How far is Washington, D.C. Dulles Intl to Dublin by plane?

    There are 3393.9 mi between Washington, D.C. Dulles Intl and Dublin. Flights usually cover this in 6h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Dublin?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Dublin?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Dublin

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Dublin with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $284Free CancellationRating
7.1
92 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $303Free CancellationRating
7.3
1,320 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $470Free CancellationRating
7.1
1,082 reviews
Search Aer Lingus flights
IcelandairPriceFrom $470Free CancellationRating
7.1
502 reviews
Search Icelandair flights
British AirwaysPriceFrom $506Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
JetBluePriceFrom $556Free CancellationRating
7.4
3,200 reviews
Search JetBlue flights
American AirlinesPriceFrom $643Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $651Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
LufthansaPriceFrom $666Free CancellationRating
6.7
7,111 reviews
Search Lufthansa flights
DeltaPriceFrom $857Free CancellationRating
8.0
8,521 reviews
Search Delta flights
  • American Airlines Flights From Washington, D.C. Dulles Intl Airport to Dublin

    American Airlines is one of the most popular airlines flying from Washington, D.C. Dulles Intl Airport to Dublin, operating 7 flights/week on average for this route. A good American Airlines flight deal for Washington, D.C. Dulles Intl Airport to Dublin starts from $643 round-trip, up to an average price of $892. Our users have rated American Airlines at 7.2/10.

  • Aer Lingus Flights From Washington, D.C. Dulles Intl Airport to Dublin

    Another popular option for Washington, D.C. Dulles Intl Airport to Dublin flights is Aer Lingus (7.1/10, 1,082 ratings). Aer Lingus flies from Washington, D.C. Dulles Intl Airport to Dublin around 7 times per week, with deals starting from $470 round-trip and rising to an average price of around $733.


Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Maynooth
Swords
Leixlip
Castleknock
Kildare
Mullingar
Arklow
Drogheda
Cavan
Malahide
Naas
Thurles
Enniscorthy
Wicklow
Dundalk
Bray
Tullamore
Carlingford

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Dublin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Dublin with flexible booking policies on momondo?

Yes. All flights to Dublin from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Dublin?

Once you have performed a search for Washington, D.C. to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Dublin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Washington, D.C. and alert you when they change.


An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 1/26
Sun 2/2
Email me momondo's favorite deals

Find better results for your trip to Ireland