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Cheap flights from Dublin to Washington, D.C. from $257

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 3/26. 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 Dublin to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Dublin to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
6:50 pm - 9:35 amBWI-DUB
9h 45m1 stop
$297PLAY
Find Deal
Mon, Apr 14 - Sun, Apr 27
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
6:50 pm - 9:35 amBWI-DUB
9h 45m1 stop
$314PLAY
Find Deal
Sun, Apr 13 - Sun, Apr 27
12:15 pm - 7:20 pmDUB-IAD
12h 05m1 stop
8:30 pm - 11:05 amIAD-DUB
9h 35m1 stop
$407Icelandair
Find Deal
Tue, Apr 1 - Mon, Apr 7
11:30 am - 6:30 pmDUB-BWI
12h 00m1 stop
8:30 pm - 10:15 amBWI-DUB
9h 45m1 stop
$454Icelandair
Find Deal
Tue, Mar 4 - Tue, Mar 11
8:40 am - 8:45 pmDUB-IAD
16h 05m1 stop
10:55 pm - 5:00 pmIAD-DUB
14h 05m1 stop
$493American Airlines
Find Deal
Wed, Mar 12 - Wed, Mar 19
12:30 pm - 3:40 pmDUB-IAD
8h 10mnonstop
10:15 pm - 9:00 amIAD-DUB
6h 45mnonstop
$495Aer Lingus
Find Deal
Wed, Mar 5 - Wed, Mar 12
9:30 am - 6:49 amDUB-DCA
26h 19m1 stop
10:15 pm - 6:30 amDCA-DUB
27h 15m1 stop
$517American Airlines
Find Deal
Mon, Apr 14 - Sun, Apr 20
12:30 pm - 4:40 pmDUB-IAD
8h 10mnonstop
10:15 pm - 9:00 amIAD-DUB
6h 45mnonstop
$521Aer Lingus
Find Deal
Wed, Mar 12 - Wed, Mar 19
9:00 am - 9:46 amDUB-IAD
29h 46m1 stop
7:00 pm - 7:10 amIAD-DUB
7h 10mnonstop
$576United Airlines
Find Deal
Fri, Mar 7 - Sun, Apr 20
8:00 am - 8:05 amDUB-IAD
28h 05m1 stop
11:05 pm - 10:05 amIAD-DUB
7h 00mnonstop
$602United Airlines
Find Deal
Wed, Mar 19 - Wed, Mar 26

Scandinavian Airlines flights from Dublin to Washington, D.C.

Our best Scandinavian Airlines deals on Dublin to Washington, D.C. flight tickets
Scandinavian Airlines
Apr 3
DUB12:20 pmDublin
36h 39m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
Apr 7
IAD10:05 pmWashington, D.C. Dulles Intl
32h 45m
1 stop
DUB11:50 amDublin
Scandinavian Airlines
Apr 1
DUB11:45 amDublin
37h 14m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
Apr 7
IAD10:05 pmWashington, D.C. Dulles Intl
32h 45m
1 stop
DUB11:50 amDublin
Scandinavian Airlines
Apr 3
DUB7:05 pmDublin
29h 54m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Apr 7
IAD10:05 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
DUB6:15 pmDublin

American Airlines flights from Dublin to Washington, D.C.

Our best American Airlines deals on Dublin to Washington, D.C. flight tickets
American Airlines
Feb 28
DUB8:40 amDublin
15h 05m
1 stop
BWI6:45 pmBaltimore/Washington
Mar 9
BWI9:30 pmBaltimore/Washington
10h 40m
1 stop
DUB12:10 pmDublin
American Airlines
Mar 12
DUB8:40 amDublin
16h 05m
1 stop
IAD8:45 pmWashington, D.C. Dulles Intl
Mar 19
IAD10:55 pmWashington, D.C. Dulles Intl
14h 05m
1 stop
DUB5:00 pmDublin
American Airlines
Apr 14
DUB9:30 amDublin
26h 19m
1 stop
DCA6:49 amWashington, D.C. Reagan-National
Apr 20
DCA10:15 pmWashington, D.C. Reagan-National
27h 15m
1 stop
DUB6:30 amDublin

See travel insights to Washington, D.C. from

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

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 typical price of a round-trip flight between Dublin and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Dublin, with most prices found around $465. If you’re not able to fly to Washington, D.C. in January, then September is your next best option. Flight prices from Dublin to Washington, D.C. during September average around $475.

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

On average, the least expensive day to fly to Washington, D.C. from Dublin is on a Monday. momondo users have found tickets for Monday departures for as low as $651. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. for around $844.

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

At noon is the cheapest time of day to fly from Dublin to Washington, D.C. when you can find flight prices for as low as $558. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $736. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. from Dublin when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $588 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Dublin for as low as $502 on momondo.

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

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

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

As of February 2025, prices for Dublin to Washington, D.C. flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Dublin to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Washington, D.C. 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. (DUB to WAS) flight deals and tips

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

Best Price Found

$257

Fastest flight time

7h 55m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Dublin in the past 72 hours is $257. The best round-trip flight deal from Dublin to Washington, D.C. found on momondo in the last 72 hours is $297.
The fastest flight from Dublin to Washington, D.C. takes 7h 55m
Direct flights go from Dublin to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    There are 3379.2 mi between Dublin and Washington, D.C.. A reasonable flight in good conditions will take 7h 55m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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


Best airlines flying from Dublin to Washington, D.C.

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $254Free CancellationRating
7.1
92 reviews
Search PLAY flights
Aer LingusPriceFrom $419Free CancellationRating
7.1
1,070 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $605Free CancellationRating
7.4
8,765 reviews
Search United Airlines flights
  • Aer Lingus Flights From Dublin to Washington, D.C.

    Aer Lingus operates around 7 flights from Dublin to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $643, but momondo users have found Aer Lingus deals from Dublin to Washington, D.C. from as low as $419 round-trip. Aer Lingus has been scored 7.1/10 in 1,070 reviews.


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

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

Why use momondo?

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

It is quick and easy to find Dublin to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Dublin to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Dublin to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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


An easier way to manage your Washington, D.C. 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.

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Tue 2/25
Tue 3/4

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.