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Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from $228

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 5/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Dublin.
British Airways Logo
10:40 pm - 2:40 pmIAD-DUB
11h 00m1 stop
British Airways Logo
12:45 pm - 8:10 pmDUB-IAD
12h 25m1 stop
$456British Airways
Find Deal
Mon, Jun 9 - Tue, Jun 24
British Airways Logo
10:40 pm - 2:40 pmIAD-DUB
11h 00m1 stop
British Airways Logo
10:55 am - 5:30 pmDUB-IAD
11h 35m1 stop
$458British Airways
Find Deal
Mon, Jun 9 - Wed, Jun 18
Icelandair Logo
8:30 pm - 1:15 pmIAD-DUB
11h 45m1 stop
Icelandair Logo
2:15 pm - 7:20 pmDUB-IAD
10h 05m1 stop
$471Icelandair
Find Deal
Mon, Aug 11 - Tue, Aug 19
Scandinavian Airlines Logo
10:05 pm - 6:15 pmIAD-DUB
15h 10m1 stop
Scandinavian Airlines Logo
7:05 pm - 6:15 pmDUB-IAD
27h 10m1 stop
$478Scandinavian Airlines
Find Deal
Mon, Oct 13 - Sun, Oct 26
Icelandair Logo
11:15 pm - 1:15 pmIAD-DUB
9h 00m1 stop
Icelandair Logo
12:15 pm - 7:20 pmDUB-IAD
12h 05m1 stop
$518Icelandair
Find Deal
Sun, Oct 12 - Sun, Oct 19
United Airlines Logo
7:00 pm - 7:10 amIAD-DUB
7h 10mnonstop
United Airlines Logo
9:50 am - 11:49 amDUB-IAD
30h 59m2 stops
$554United Airlines
Find Deal
Wed, May 7 - Wed, May 14
Aer Lingus Logo
8:25 pm - 8:15 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:35 pm - 7:30 pmDUB-IAD
7h 55mnonstop
$563Aer Lingus
Find Deal
Mon, May 5 - Tue, May 13
United Airlines Logo
10:05 pm - 10:20 amIAD-DUB
7h 15mnonstop
United Airlines Logo
9:50 am - 9:25 pmDUB-IAD
16h 35m1 stop
$567United Airlines
Find Deal
Wed, May 7 - Wed, May 14
Aer Lingus Logo
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:00 pm - 6:55 pmDUB-IAD
7h 55mnonstop
$572Aer Lingus
Find Deal
Sun, Sep 7 - Thu, Sep 18
American Airlines Logo
10:40 pm - 3:45 pmIAD-DUB
12h 05m1 stop
American Airlines Logo
11:45 am - 7:44 pmDUB-IAD
12h 59m1 stop
$616American Airlines
Find Deal
Thu, Jun 5 - Wed, Jun 11

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

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
British Airways
Jun 9
IAD10:40 pmWashington, D.C. Dulles Intl
11h 00m
1 stop
DUB2:40 pmDublin
Jun 24
DUB12:45 pmDublin
12h 25m
1 stop
IAD8:10 pmWashington, D.C. Dulles Intl
British Airways
Jun 9
IAD10:40 pmWashington, D.C. Dulles Intl
11h 00m
1 stop
DUB2:40 pmDublin
Jun 18
DUB10:55 amDublin
11h 35m
1 stop
IAD5:30 pmWashington, D.C. Dulles Intl
British Airways
Jun 9
IAD10:40 pmWashington, D.C. Dulles Intl
11h 00m
1 stop
DUB2:40 pmDublin
Jun 18
DUB8:20 pmDublin
23h 40m
2 stops
IAD3:00 pmWashington, D.C. Dulles Intl

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
Oct 13
IAD10:05 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
DUB6:15 pmDublin
Oct 26
DUB7:05 pmDublin
27h 10m
1 stop
IAD6:15 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Oct 14
IAD10:05 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
DUB6:15 pmDublin
Oct 22
DUB12:40 pmDublin
12h 19m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Oct 6
IAD10:05 pmWashington, D.C. Dulles Intl
31h 50m
2 stops
DUB10:55 amDublin
Oct 16
DUB12:40 pmDublin
12h 19m
1 stop
IAD7:59 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, November 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 $573. If you’re not able to fly to Dublin in November, then January is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Dublin during January average around $580.

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 Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $760. Flights from Washington, D.C. Dulles Intl Airport to Dublin on a Friday will generally be more expensive and average around $907. 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 $802. 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 7 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $738 when searching 7 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 $637 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 April 2025, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 1% 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

$228

Fastest flight time

6h 50m

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 $228. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Dublin found on momondo in the last 72 hours is $456.
The fastest flight from Washington, D.C. Dulles Intl Airport to Dublin takes 6h 50m
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 50m, 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 $291Free CancellationRating
6.9
101 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $303Free CancellationRating
7.3
1,335 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $423Free CancellationRating
7.0
481 reviews
Search Icelandair flights
Aer LingusPriceFrom $477Free CancellationRating
7.0
1,063 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $514Free CancellationRating
7.1
1,839 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $534Free CancellationRating
6.6
6,771 reviews
Search British Airways flights
United AirlinesPriceFrom $644Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
LufthansaPriceFrom $666Free CancellationRating
6.7
7,011 reviews
Search Lufthansa flights
American AirlinesPriceFrom $705Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Dublin

    United Airlines is one of the most popular airlines flying from Washington, D.C. Dulles Intl Airport to Dublin, operating 14 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Dulles Intl Airport to Dublin starts from $644 round-trip, up to an average price of $988. Our users have rated United Airlines at 7.4/10.

  • American Airlines Flights From Washington, D.C. Dulles Intl Airport to Dublin

    Another popular option for Washington, D.C. Dulles Intl Airport to Dublin flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Washington, D.C. Dulles Intl Airport to Dublin around 13 times per week, with deals starting from $705 round-trip and rising to an average price of around $893.


Traveling to a place near Dublin?

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

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.


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