Flights to Washington, D.C.

€256 Cheap flights to Washington, D.C.

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. departing on 13/9. 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

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

Cheap return flights

PLAY Logo
11:35 - 17:40DUB-BWI
11h 05m1 stop
PLAY Logo
18:50 - 10:10BWI-DUB
10h 20m1 stop
€293PLAY
Find Deal
Sat, 13 Sep - Wed, 17 Sep
PLAY Logo
11:35 - 17:40DUB-BWI
11h 05m1 stop
PLAY Logo
18:50 - 10:05BWI-DUB
10h 15m1 stop
€315PLAY
Find Deal
Sat, 20 Sep - Fri, 26 Sep
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€316Icelandair
Find Deal
Tue, 25 Nov - Sun, 30 Nov
 Logo
05:55 - 20:00DUB-IAD
19h 05m1 stop
 Logo
20:45 - 17:50IAD-DUB
16h 05m1 stop
€326
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€339Icelandair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
 Logo
05:55 - 13:30DUB-IAD
12h 35m1 stop
 Logo
20:45 - 17:50IAD-DUB
16h 05m1 stop
€346
Find Deal
Thu, 16 Oct - Thu, 23 Oct
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€362Aer Lingus
Find Deal
Tue, 6 Jan - Wed, 28 Jan
Aer Lingus Logo
12:50 - 15:50DUB-IAD
8h 00mdirect
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
€368Aer Lingus
Find Deal
Wed, 8 Oct - Wed, 22 Oct
United Airlines Logo
09:20 - 21:51DUB-DCA
17h 31m1 stop
United Airlines Logo
11:10 - 07:20DCA-DUB
15h 10m1 stop
€377United Airlines
Find Deal
Mon, 8 Sep - Tue, 16 Sep
United Airlines Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
€383United Airlines
Find Deal
Tue, 11 Nov - Sun, 16 Nov

momondo Fare Finder

 
Locate flights to Washington, D.C. that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 30 August 2025.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sat 13/9

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Wed 17/9

18:50-10:10

1 stop10h 20m

€293

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sat 20/9

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Fri 26/9

18:50-10:05

1 stop10h 15m

€315

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 25/11

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Sun 30/11

19:40-10:15

1 stop9h 35m

€316

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 13/10

05:55-20:00

1 stop19h 05m

Washington, D.C. Dulles Intl

Mon 20/10

20:45-17:50

1 stop16h 05m

€326

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 5/12

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 8/12

19:40-10:15

1 stop9h 35m

€339

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 16/10

05:55-13:30

1 stop12h 35m

Washington, D.C. Dulles Intl

Thu 23/10

20:45-17:50

1 stop16h 05m

€346

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 6/1

12:15-15:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Wed 28/1

17:05-04:55

Nonstop6h 50m

€362

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 8/10

12:50-15:50

Nonstop8h 00m

Washington, D.C. Dulles Intl

Wed 22/10

17:20-05:10

Nonstop6h 50m

€368

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 8/9

09:20-21:51

1 stop17h 31m

Washington, D.C. Reagan-National

Tue 16/9

11:10-07:20

1 stop15h 10m

€377

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 11/11

12:05-15:20

Nonstop8h 15m

Washington, D.C. Dulles Intl

Sun 16/11

22:20-10:20

Nonstop7h 00m

€383

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

Washington, D.C. flights insights and trends

Explore insights for your Washington, D.C. flight to craft the best travel plan

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

The cheapest month to fly to Washington, D.C. from Ireland is in January. Flight prices, which tend to average around €401, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. from Ireland during March instead. Flights to Washington, D.C. in March, while not as cheap as those in January, still average around €430.

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

The best deal found on momondo in the last two weeks was a flight to Washington, D.C. from Dublin for €533. This is 14% cheaper than most flight deals to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

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

The cheapest day to depart from Ireland to Washington, D.C. is on a Thursday. Travellers who choose to depart for Washington, D.C. on a Thursday will often find tickets for as low as €639. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. on Sunday is €791.

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

Flying to Washington, D.C. from Ireland at midday is the least expensive time of day to depart. momondo users have found prices as low as €420 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €690 on average. Flights to Washington, D.C. from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheapest flights to Washington, D.C.

Find the cheapest flights to Washington, D.C. from your nearest city or airport
CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLINJanuary19% cheaperFlying from Dublin to Washington, D.C. costs on average just €401 in January
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLINAugust37% more expensiveIt costs about €675 for flights to Washington, D.C. from Dublin in August
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLINDecember265% more users visitedMore momondo users searched in flights to Washington, D.C. from Dublin in December than any other month

Cheap Washington, D.C. flight deals and tips

Summary info about Washington, D.C. flight prices, duration and airlines

Best One-Way Price

€256

Best Round-Trip Price

€293

Fastest flight time

11h 05m

Popular in

August
The best one-way flight price to Washington, D.C. from Ireland in the last 72 hours is €256 (Dublin to Baltimore/Washington).
The best round-trip flight price to Washington, D.C. from Ireland in the last 72 hours is €293 (Dublin to Baltimore/Washington).
The fastest flight to Washington, D.C. from Ireland takes 11h 05m (Dublin to Baltimore/Washington).
August has the highest demand for flights to Washington, D.C., with a 13% price increase on average.

Frequently asked questions about flying to Washington, D.C.

When is it best to fly to Washington, D.C. to go sightseeing?

The city of Washington, D.C. has many sights to see while visiting. Many tourists find it ideal to go sightseeing when the weather is warmer, but not blistering. Consider booking your flight to Washington, D.C. for May, when temperatures are a bit higher and the chance of rain is relatively low. Many travellers find it worthwhile to visit White House.

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

Most flyers found that booking tickets 76 days in advance of their planned departure date is the best time to get cheap flights to Washington, D.C.. During this timeframe, flight prices are around €490. In the past 72 hours, momondo users found flights from Ireland to Washington, D.C. for as low as €289.

Is there an alternative airport near Washington, D.C.?

Finding an alternative and possibly cheaper destination airport near Washington, D.C. is possible. If you are planning a flight to Washington, D.C., consider booking flights to Washington, D.C. Reagan-National Airport (6 km from Washington, D.C. city centre) or Washington, D.C. Dulles Intl Airport (36 km from Washington, D.C. city centre).

Is there a cheaper alternative to flying into Washington, D.C.?

You can find deals at Washington, D.C. Reagan-National Airport for €336 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Georgetown?

Yes, flights to Georgetown are served by Washington, D.C.’s Washington, D.C. Dulles Intl airport which is 33.5 km away.

What’s the closest airport to Walter E. Washington Convention Center?

The closest airport to Walter E. Washington Convention Center is 37.1 km away - Washington, D.C.’s Washington, D.C. Dulles Intl airport.

When did momondo last update prices for flights to Washington, D.C.?

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

How many operators does momondo search for flights to Washington, D.C.?

How old do you have to be to fly to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel 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 licence, 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.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

Why use momondo?

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

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

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

Flights 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 to Washington, D.C.?

Once you have performed a search for flights to Washington, D.C., momondo helps you find the right flight 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 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. and alert you when they change.

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

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1 adult
Thu 4/9
Thu 11/9

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Popular Flights to Washington, D.C.

Popular routes according to searches in the past day on momondo