Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Dublin to Washington, D.C. from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington, D.C. departing on 8/27. 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

Discover deals from 900+ travel sites with momondo.

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.
Search flight deals

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

Cheap round-trip flights

Scandinavian Airlines Logo
12:20 pm - 7:59 pmDUB-IAD
36h 39m2 stops
Scandinavian Airlines Logo
10:05 pm - 8:55 pmIAD-DUB
41h 50m2 stops
$382Scandinavian Airlines
Find Deal
Thu, Sep 4 - Fri, Sep 12
Scandinavian Airlines Logo
12:20 pm - 7:59 pmDUB-IAD
36h 39m2 stops
Scandinavian Airlines Logo
10:05 pm - 11:50 amIAD-DUB
32h 45m1 stop
$385Scandinavian Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
Scandinavian Airlines Logo
7:05 pm - 7:59 pmDUB-IAD
29h 54m1 stop
Scandinavian Airlines Logo
10:05 pm - 11:50 amIAD-DUB
32h 45m1 stop
$387Scandinavian Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
Scandinavian Airlines Logo
12:20 pm - 7:59 pmDUB-IAD
36h 39m2 stops
Scandinavian Airlines Logo
10:05 pm - 6:25 pmIAD-DUB
39h 20m2 stops
$388Scandinavian Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 19
Aer Lingus Logo
4:00 pm - 6:55 pmDUB-IAD
7h 55mnonstop
Aer Lingus Logo
8:25 pm - 8:15 amIAD-DUB
6h 50mnonstop
$429Aer Lingus
Find Deal
Sun, Sep 14 - Sun, Sep 21
Aer Lingus Logo
4:00 pm - 6:55 pmDUB-IAD
7h 55mnonstop
Aer Lingus Logo
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
$435Aer Lingus
Find Deal
Sat, Sep 13 - Sat, Sep 20
Aer Lingus Logo
12:50 pm - 3:50 pmDUB-IAD
8h 00mnonstop
Aer Lingus Logo
5:20 pm - 5:10 amIAD-DUB
6h 50mnonstop
$437Aer Lingus
Find Deal
Thu, Sep 4 - Fri, Sep 12
Icelandair Logo
11:30 am - 6:20 pmDUB-IAD
11h 50m1 stop
Icelandair Logo
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
$441Icelandair
Find Deal
Fri, Nov 21 - Sun, Nov 30
Icelandair Logo
2:15 pm - 10:10 pmDUB-IAD
12h 55m1 stop
Icelandair Logo
11:15 pm - 11:05 amIAD-DUB
30h 50m1 stop
$444Icelandair
Find Deal
Thu, Sep 4 - Fri, Sep 12
Icelandair Logo
2:15 pm - 7:20 pmDUB-IAD
10h 05m1 stop
Icelandair Logo
11:15 pm - 11:05 amIAD-DUB
30h 50m1 stop
$450Icelandair
Find Deal
Thu, Sep 4 - Fri, Sep 12

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

Our best Icelandair deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Nov 21
DUB11:30 amDublin
11h 50m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
Nov 30
IAD7:40 pmWashington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15 amDublin
$441
Find similar
Icelandair
Sep 4
DUB2:15 pmDublin
12h 55m
1 stop
IAD10:10 pmWashington, D.C. Dulles Intl
Sep 12
IAD11:15 pmWashington, D.C. Dulles Intl
30h 50m
1 stop
DUB11:05 amDublin
$444
Find similar
Icelandair
Sep 4
DUB2:15 pmDublin
10h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Sep 12
IAD11:15 pmWashington, D.C. Dulles Intl
30h 50m
1 stop
DUB11:05 amDublin
$450
Find similar

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

Our best Scandinavian Airlines deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines
Sep 4
DUB12:20 pmDublin
36h 39m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
Sep 12
IAD10:05 pmWashington, D.C. Dulles Intl
41h 50m
2 stops
DUB8:55 pmDublin
$382
Find similar
Scandinavian Airlines
Oct 13
DUB12:20 pmDublin
36h 39m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
Oct 20
IAD10:05 pmWashington, D.C. Dulles Intl
32h 45m
1 stop
DUB11:50 amDublin
$385
Find similar
Scandinavian Airlines
Oct 13
DUB7:05 pmDublin
29h 54m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Oct 20
IAD10:05 pmWashington, D.C. Dulles Intl
32h 45m
1 stop
DUB11:50 amDublin
$387
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Dublin to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 9/4

12:20 pm-7:59 pm

2 stops36h 39m

Washington, D.C. Dulles Intl

Fri 9/12

10:05 pm-8:55 pm

2 stops41h 50m

$382

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 10/13

12:20 pm-7:59 pm

2 stops36h 39m

Washington, D.C. Dulles Intl

Mon 10/20

10:05 pm-11:50 am

1 stop32h 45m

$385

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 10/13

7:05 pm-7:59 pm

1 stop29h 54m

Washington, D.C. Dulles Intl

Mon 10/20

10:05 pm-11:50 am

1 stop32h 45m

$387

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 9/5

12:20 pm-7:59 pm

2 stops36h 39m

Washington, D.C. Dulles Intl

Fri 9/19

10:05 pm-6:25 pm

2 stops39h 20m

$388

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 9/14

4:00 pm-6:55 pm

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sun 9/21

8:25 pm-8:15 am

Nonstop6h 50m

$429

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 9/13

4:00 pm-6:55 pm

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sat 9/20

5:20 pm-5:10 am

Nonstop6h 50m

$435

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 9/4

12:50 pm-3:50 pm

Nonstop8h 00m

Washington, D.C. Dulles Intl

Fri 9/12

5:20 pm-5:10 am

Nonstop6h 50m

$437

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 11/21

11:30 am-6:20 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Sun 11/30

7:40 pm-10:15 am

1 stop9h 35m

$441

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 9/4

2:15 pm-10:10 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Fri 9/12

11:15 pm-11:05 am

1 stop30h 50m

$444

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 9/4

2:15 pm-7:20 pm

1 stop10h 05m

Washington, D.C. Dulles Intl

Fri 9/12

11:15 pm-11:05 am

1 stop30h 50m

$450

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

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

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 Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Dublin to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $461. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $503.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $708. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. Dulles Intl Airport for around $821.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as $580 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $783 on average. Flights to Washington, D.C. Dulles Intl Airport from Dublin in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $581 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Dublin for as low as $476 on momondo.

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

There are 4 cabin classes available to choose from on Dublin to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Dublin to Washington, D.C. Dulles Intl Airport flight.

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

As of July 2025, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$317

Fastest flight time

7h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dublin in the past 72 hours is $317. The best round-trip flight deal from Dublin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $382.
The fastest flight from Dublin to Washington, D.C. Dulles Intl Airport takes 7h 55m
Direct flights go from Dublin to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

    Dublin and Washington, D.C. Dulles Intl are 3393.9 mi apart from one another. Typically, this will take 7h 55m by plane in normal conditions.

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

    Prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $425Free CancellationRating
7.0
520 reviews
Search Icelandair flights
Aer LingusPriceFrom $446Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $569Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

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

    Across 12 United Airlines flights from Dublin to Washington, D.C. Dulles Intl Airport this week, the average price was $756, with the best United Airlines deals starting from $569 round-trip. 8,900 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

    Aer Lingus (7.1/10 from 1,192 reviews) operates around 14 flights from Dublin to Washington, D.C. Dulles Intl Airport in any given week. The average Aer Lingus airfare for this route is around $595, with deals from around $446 rare but found on momondo. Referenced prices are for round-trip Dublin to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Dublin with this policy.

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

Once you have performed a search for Dublin to Washington, D.C. 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 Dublin to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Washington, D.C. Dulles Intl Airport 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.