Which airlines fly to Washington, D.C.?

Aer Lingus is the airline most momondo users in Ireland opt for when booking flights to Washington, D.C.. United Airlines, British Airways and Icelandair are also popular choices when flying to Washington, D.C. from Ireland. Most major airlines flying from Ireland to Washington, D.C. will offer flights on a regular basis, though your options may vary depending on what airport you fly from.

Aer Lingus Flights to Washington, D.C.

The most popular airline for flights to Washington, D.C. on momondo is Aer Lingus, which operates 11 flights in this direction every week. Most depart out of Dublin, with the best deal for Aer Lingus flights to Washington, D.C. being €328 (return, Dublin to Washington, D.C., momondo searches within the last 72 hours). In 1,271 Aer Lingus reviews, it is rated 7.2 by momondo users.

Icelandair Flights to Washington, D.C.

€295 is the best return Icelandair deal to Washington, D.C. found on momondo in the last few days. The deal departed from Dublin. Icelandair has 19 flights to Washington, D.C. most weeks, with prices varying by availability. 546 momondo users have reviewed Icelandair, scoring the airline a 7.0/10 on average.

How long does it take to fly to Washington, D.C.?

The flight from Ireland to Washington, D.C. depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to Washington, D.C. Dulles Intl (the most popular airport in Washington, D.C.), then the flight time is 7h 55m on average. If you fly from Cork (another popular airport in Ireland) to Washington, D.C. Dulles Intl, then the average flight time is 14h 35m.

€258 Cheap Flights to Washington, D.C. in 2025

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

Round-trip

One-way

Last minute

Direct

Cheap return flights

11:30 - 18:30DUB-IAD

12h 00m1 stop

19:40 - 10:15IAD-DUB

9h 35m1 stop

€318Icelandair

Find Deal

Tue, 25 Nov - Sun, 30 Nov

11:30 - 18:30DUB-IAD

12h 00m1 stop

19:40 - 10:15IAD-DUB

9h 35m1 stop

€339Icelandair

Find Deal

Fri, 5 Dec - Mon, 8 Dec

11:30 - 18:30DUB-IAD

12h 00m1 stop

19:40 - 10:15IAD-DUB

9h 35m1 stop

€340Icelandair

Find Deal

Fri, 5 Dec - Mon, 8 Dec

05:55 - 15:15DUB-IAD

14h 20m1 stop

22:15 - 10:20IAD-DUB

7h 05mdirect

€342Lufthansa

Find Deal

Wed, 1 Oct - Tue, 14 Oct

05:55 - 15:15DUB-IAD

14h 20m1 stop

22:15 - 10:20IAD-DUB

7h 05mdirect

€346Lufthansa

Find Deal

Wed, 1 Oct - Wed, 15 Oct

11:35 - 17:40DUB-BWI

11h 05m1 stop

18:50 - 10:10BWI-DUB

10h 20m1 stop

€347PLAY

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Sat, 27 Sep - Wed, 1 Oct

16:35 - 19:30DUB-IAD

7h 55mdirect

17:20 - 05:10IAD-DUB

6h 50mdirect

€361Aer Lingus

Find Deal

Wed, 1 Oct - Tue, 14 Oct

12:15 - 16:35DUB-IAD

8h 20mdirect

17:05 - 04:55IAD-DUB

6h 50mdirect

€367Aer Lingus

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Sun, 26 Oct - Sun, 2 Nov

09:20 - 15:51DUB-DCA

11h 31m1 stop

16:00 - 07:20DCA-DUB

10h 20m1 stop

€377United Airlines

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Sat, 27 Sep - Wed, 1 Oct

12:05 - 15:20DUB-IAD

8h 15mdirect

12:40 - 08:10IAD-DUB

14h 30m1 stop

€384United Airlines

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Tue, 11 Nov - Sun, 16 Nov

Fly from

Route

Depart

Return

Price

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

€318

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

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

€340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 1/10

05:55-15:15

1 stop14h 20m

Washington, D.C. Dulles Intl

Tue 14/10

22:15-10:20

Nonstop7h 05m

€342

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 1/10

05:55-15:15

1 stop14h 20m

Washington, D.C. Dulles Intl

Wed 15/10

22:15-10:20

Nonstop7h 05m

€346

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sat 27/9

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Wed 1/10

18:50-10:10

1 stop10h 20m

€347

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 1/10

16:35-19:30

Nonstop7h 55m

Washington, D.C. Dulles Intl

Tue 14/10

17:20-05:10

Nonstop6h 50m

€361

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 26/10

12:15-16:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sun 2/11

17:05-04:55

Nonstop6h 50m

€367

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 27/9

09:20-15:51

1 stop11h 31m

Washington, D.C. Reagan-National

Wed 1/10

16:00-07:20

1 stop10h 20m

€376

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 11/11

12:05-15:20

Nonstop8h 15m

Washington, D.C. Dulles Intl

Sun 16/11

12:40-08:10

1 stop14h 30m

€384

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Washington, D.C. flights insights and trends

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

Prices

Other information

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 €400, 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 €429.

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

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 €638. 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 €787.

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 €419 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 €691 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.

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 Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around €510 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Ireland for as low as €405 on momondo.

Cheapest flights to Washington, D.C.

Find the cheapest flights to Washington, D.C. from your nearest city or airport

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

CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	January	19% cheaper	Flying from Dublin to Washington, D.C. costs on average just €400 in January
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	August	37% more expensive	It costs about €673 for flights to Washington, D.C. from Dublin in August
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	December	268% more users visited	More 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	€258
Best Round-Trip Price	€318
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 €258 (Dublin to Baltimore/Washington).

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The best round-trip flight price to Washington, D.C. from Ireland in the last 72 hours is €318 (Dublin to Washington, D.C. Dulles Intl).

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The fastest flight to Washington, D.C. from Ireland takes 11h 05m (Dublin to Baltimore/Washington).

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August has the highest demand for flights to Washington, D.C., with a 13% price increase on average.

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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 €489. 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 Baltimore/Washington Airport (44 km from Washington, D.C. city centre).

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

You can find deals at Baltimore/Washington Airport for €203 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.?

As of September 2025, there are 7 operators available to choose from 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.

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.