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, Icelandair and British Airways 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 14 flights in this direction every week. Most depart out of London Heathrow, with the best deal for Aer Lingus flights to Washington, D.C. being €333 (return, Dublin to Washington, D.C., momondo searches within the last 72 hours). In 1,365 Aer Lingus reviews, it is rated 7.2 by momondo users.

Icelandair Flights to Washington, D.C.

€299 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 7 flights to Washington, D.C. most weeks, with prices varying by availability. 568 momondo users have reviewed Icelandair, scoring the airline a 7.1/10 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 8h on average. If you fly from Cork (another popular airport in Ireland) to Washington, D.C. Dulles Intl, then the average flight time is 17h 15m.

€245 Cheap Flights to Washington, D.C. in 2025/26

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

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One-way

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11:30 - 18:30DUB-IAD

12h 00m1 stop

19:40 - 10:15IAD-DUB

9h 35m1 stop

€384Icelandair

Find Deal

Fri, 5 Dec - Mon, 8 Dec

11:30 - 18:30DUB-IAD

12h 00m1 stop

19:40 - 10:15IAD-DUB

9h 35m1 stop

€388Icelandair

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Tue, 13 Jan - Mon, 2 Feb

11:30 - 18:50DUB-IAD

60h 20m2 stops

20:30 - 09:25IAD-DUB

31h 55m1 stop

€389Scandinavian Airlines

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Thu, 15 Jan - Thu, 5 Feb

11:30 - 18:50DUB-IAD

60h 20m2 stops

20:30 - 09:20IAD-DUB

31h 50m2 stops

€392Scandinavian Airlines

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Thu, 15 Jan - Thu, 5 Feb

13:40 - 19:55DUB-IAD

11h 15m1 stop

18:20 - 09:35IAD-DUB

10h 15m1 stop

€397American Airlines

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Sun, 21 Dec - Tue, 6 Jan

12:15 - 15:35DUB-IAD

8h 20mdirect

17:05 - 04:55IAD-DUB

6h 50mdirect

€400Aer Lingus

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Tue, 13 Jan - Mon, 2 Feb

11:30 - 13:06DUB-BWI

30h 36m2 stops

06:30 - 10:00BWI-DUB

46h 30m2 stops

€403American Airlines

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Fri, 14 Nov - Thu, 27 Nov

16:20 - 19:30DUB-IAD

8h 10mdirect

17:05 - 04:55IAD-DUB

6h 50mdirect

€414Aer Lingus

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Fri, 14 Nov - Mon, 17 Nov

09:00 - 22:42DUB-DCA

18h 42m2 stops

12:00 - 08:10DCA-DUB

15h 10m1 stop

€530United Airlines

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Fri, 5 Dec - Mon, 8 Dec

09:00 - 19:45DUB-DCA

15h 45m1 stop

18:00 - 09:55DCA-DUB

10h 55m1 stop

€536United Airlines

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Fri, 21 Nov - Tue, 2 Dec

Fly from

Route

Depart

Return

Price

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

€384

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 13/1

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 2/2

19:40-10:15

1 stop9h 35m

€388

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 15/1

11:30-18:50

2 stops60h 20m

Washington, D.C. Dulles Intl

Thu 5/2

20:30-09:25

1 stop31h 55m

€389

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 15/1

11:30-18:50

2 stops60h 20m

Washington, D.C. Dulles Intl

Thu 5/2

20:30-09:20

2 stops31h 50m

€392

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 21/12

13:40-19:55

1 stop11h 15m

Washington, D.C. Dulles Intl

Tue 6/1

18:20-09:35

1 stop10h 15m

€397

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 13/1

12:15-15:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Mon 2/2

17:05-04:55

Nonstop6h 50m

€400

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 14/11

11:30-13:06

2 stops30h 36m

Baltimore/Washington

Thu 27/11

06:30-10:00

2 stops46h 30m

€403

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 14/11

16:20-19:30

Nonstop8h 10m

Washington, D.C. Dulles Intl

Mon 17/11

17:05-04:55

Nonstop6h 50m

€414

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 5/12

09:00-22:42

2 stops18h 42m

Washington, D.C. Reagan-National

Mon 8/12

12:00-08:10

1 stop15h 10m

€530

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 21/11

09:00-19:45

1 stop15h 45m

Washington, D.C. Reagan-National

Tue 2/12

18:00-09:55

1 stop10h 55m

€536

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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 €425, 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 February instead. Flights to Washington, D.C. in February, 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 €629. 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 €815.

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 €426 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 €704 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 €521 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 €453 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	15% cheaper	Flying from Dublin to Washington, D.C. costs on average just €425 in January
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	August	35% more expensive	It costs about €675 for flights to Washington, D.C. from Dublin in August
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	July	433% more users visited	More momondo users searched in flights to Washington, D.C. from Dublin in July 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	€245
Best Round-Trip Price	€384
Fastest flight time	13h 40m
Popular in	August

The best one-way flight price to Washington, D.C. from Ireland in the last 72 hours is €245 (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 €384 (Dublin to Washington, D.C. Dulles Intl).

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The fastest flight to Washington, D.C. from Ireland takes 13h 40m (Dublin to Washington, D.C. Dulles Intl).

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August has the highest demand for flights to Washington, D.C., with a 12% 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 €500. In the past 72 hours, momondo users found flights from Ireland to Washington, D.C. for as low as €344.

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 Washington, D.C. Reagan-National Airport for €224 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 Dupont Circle?

Yes, flights to Dupont Circle are served by Washington, D.C.’s Washington, D.C. Reagan-National airport which is 6.4 km away.

What’s the closest airport to White House?

The closest airport to White House is 5.0 km away - Washington, D.C.’s Washington, D.C. Reagan-National 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 November 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.

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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.