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Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from $256

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 8/17. 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.
10:05 pm - 6:15 pmIAD-DUB
15h 10m1 stop
7:05 pm - 7:59 pmDUB-IAD
29h 54m1 stop
$422Scandinavian Airlines
Find Deal
lun., sep. 22 - lun., oct. 6
10:05 pm - 6:15 pmIAD-DUB
15h 10m1 stop
8:05 pm - 7:59 pmDUB-IAD
52h 54m2 stops
$429Scandinavian Airlines
Find Deal
mar., ago. 26 - sáb., sep. 6
10:05 pm - 11:00 pmIAD-DUB
19h 55m2 stops
6:30 am - 7:59 pmDUB-IAD
18h 29m2 stops
lun., may. 5 - lun., may. 12
10:20 pm - 6:05 pmIAD-DUB
14h 45m1 stop
6:50 pm - 3:20 pmDUB-IAD
25h 30m1 stop
$521TAP AIR PORTUGAL
Find Deal
lun., jul. 28 - lun., oct. 6
10:05 pm - 10:20 pmIAD-DUB
19h 15m2 stops
6:30 am - 7:59 pmDUB-IAD
18h 29m2 stops
mié., may. 7 - lun., may. 12
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
4:35 pm - 7:30 pmDUB-IAD
7h 55mnonstop
$560Aer Lingus
Find Deal
mié., abr. 30 - mié., may. 7
10:20 pm - 11:55 pmIAD-DUB
20h 35m1 stop
10:45 am - 3:20 pmDUB-IAD
33h 35m1 stop
$597TAP AIR PORTUGAL
Find Deal
mar., ago. 12 - mié., ago. 20
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
4:35 pm - 7:30 pmDUB-IAD
7h 55mnonstop
$609Aer Lingus
Find Deal
mar., may. 27 - mar., jun. 10
1:30 pm - 12:35 pmIAD-DUB
18h 05m1 stop
4:55 pm - 7:45 pmDUB-IAD
31h 50m1 stop
$660Turkish Airlines
Find Deal
jue., abr. 24 - jue., may. 1
1:30 pm - 12:35 pmIAD-DUB
18h 05m1 stop
4:55 pm - 11:45 amDUB-IAD
23h 50m1 stop
$665Turkish Airlines
Find Deal
jue., abr. 24 - vie., may. 2

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Dublin

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
TAP AIR PORTUGAL
Jul 28
IAD10:20 pmWashington, D.C. Dulles Intl
14h 45m
1 stop
DUB6:05 pmDublin
Oct 6
DUB6:50 pmDublin
25h 30m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Aug 12
IAD10:20 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
DUB11:55 pmDublin
Aug 20
DUB10:45 amDublin
33h 35m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Aug 13
IAD5:50 pmWashington, D.C. Dulles Intl
19h 15m
1 stop
DUB6:05 pmDublin
Aug 23
DUB5:30 amDublin
19h 35m
1 stop
IAD8:05 pmWashington, D.C. Dulles Intl

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

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
Aer Lingus
Apr 30
IAD5:20 pmWashington, D.C. Dulles Intl
6h 50m
DUB5:10 amDublin
May 7
DUB4:35 pmDublin
7h 55m
IAD7:30 pmWashington, D.C. Dulles Intl
Aer Lingus
May 27
IAD5:20 pmWashington, D.C. Dulles Intl
6h 50m
DUB5:10 amDublin
Jun 10
DUB4:35 pmDublin
7h 55m
IAD7:30 pmWashington, D.C. Dulles Intl
Aer Lingus
Apr 14
IAD5:20 pmWashington, D.C. Dulles Intl
6h 50m
DUB5:10 amDublin
Apr 23
DUB12:50 pmDublin
8h 00m
IAD3:50 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 $565. 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 $573.

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 $752. Flights from Washington, D.C. Dulles Intl Airport to Dublin on a Friday will generally be more expensive and average around $906. 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 $798. 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 24 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $739 when searching 24 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 $654 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 March 2025, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 18% 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

$256

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 $256. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Dublin found on momondo in the last 72 hours is $422.
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
97 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $303Free CancellationRating
7.3
1,325 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $423Free CancellationRating
7.0
476 reviews
Search Icelandair flights
Aer LingusPriceFrom $473Free CancellationRating
7.0
1,062 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $514Free CancellationRating
7.1
1,827 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $534Free CancellationRating
6.6
6,712 reviews
Search British Airways flights
JetBluePriceFrom $556Free CancellationRating
7.3
2,923 reviews
Search JetBlue flights
United AirlinesPriceFrom $653Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
LufthansaPriceFrom $677Free CancellationRating
6.7
6,955 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 3 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Dulles Intl Airport to Dublin starts from $653 round-trip, up to an average price of $1,016. 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 5 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
Bray
Carlingford
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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