Flights to Washington, D.C.

€315 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 31/8. 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

Enter your travel dates to find the best prices.
Icelandair Logo
11:30 - 18:40
DUB
-
BWI
12h 10m
1 stop
Icelandair Logo
19:40 - 10:15
BWI
-
DUB
9h 35m
1 stop
€462Icelandair
Tue, 17 Nov - Tue, 1 Dec
Icelandair Logo
11:30 - 18:40
DUB
-
BWI
12h 10m
1 stop
Icelandair Logo
19:40 - 10:15
BWI
-
DUB
9h 35m
1 stop
€479Icelandair
Sat, 21 Nov - Fri, 4 Dec
British Airways Logo
10:20 - 18:45
DUB
-
BWI
13h 25m
1 stop
British Airways Logo
20:35 - 12:15
BWI
-
DUB
10h 40m
1 stop
€490British Airways
Wed, 4 Nov - Wed, 25 Nov
British Airways Logo
20:40 - 18:45
DUB
-
BWI
27h 05m
1 stop
British Airways Logo
13:53 - 14:20
BWI
-
DUB
19h 27m
2 stops
€496British Airways
Sun, 15 Nov - Fri, 4 Dec
Aer Lingus Logo
12:35 - 15:45
DUB
-
IAD
8h 10mdirect
Aer Lingus Logo
17:15 - 05:15
IAD
-
DUB
7h 00mdirect
€518Aer Lingus
Thu, 25 Jun - Thu, 2 Jul
Delta Logo
05:55 - 15:35
DUB
-
IAD
14h 40m
1 stop
Delta Logo
17:20 - 10:00
IAD
-
DUB
11h 40m
1 stop
€519Delta
Thu, 11 Jun - Sat, 20 Jun
Aer Lingus Logo
12:35 - 15:45
DUB
-
IAD
8h 10mdirect
Aer Lingus Logo
21:00 - 08:55
IAD
-
DUB
6h 55mdirect
€520Aer Lingus
Thu, 11 Jun - Sun, 14 Jun
Delta Logo
08:55 - 18:32
DUB
-
IAD
14h 37m
2 stops
Delta Logo
21:45 - 15:25
IAD
-
DUB
12h 40m
1 stop
€521Delta
Wed, 24 Jun - Mon, 29 Jun
United Airlines Logo
09:30 - 17:36
SNN
-
BWI
13h 06m
1 stop
United Airlines Logo
10:32 - 07:30
BWI
-
SNN
15h 58m
1 stop
€803United Airlines
Tue, 14 Jul - Tue, 21 Jul
United Airlines Logo
09:30 - 09:27
SNN
-
BWI
28h 57m
1 stop
United Airlines Logo
08:16 - 10:15
BWI
-
SNN
44h 59m
2 stops
€872United Airlines
Sun, 12 Jul - Sun, 19 Jul

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 1 June 2026.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 17/11

11:30-18:40

1 stop12h 10m

Baltimore/Washington

Tue 1/12

19:40-10:15

1 stop9h 35m

€462

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sat 21/11

11:30-18:40

1 stop12h 10m

Baltimore/Washington

Fri 4/12

19:40-10:15

1 stop9h 35m

€479

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 4/11

10:20-18:45

1 stop13h 25m

Baltimore/Washington

Wed 25/11

20:35-12:15

1 stop10h 40m

€490

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sun 15/11

20:40-18:45

1 stop27h 05m

Baltimore/Washington

Fri 4/12

13:53-14:20

2 stops19h 27m

€496

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 25/6

12:35-15:45

Nonstop8h 10m

Washington, D.C. Dulles Intl

Thu 2/7

17:15-05:15

Nonstop7h 00m

€518

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 11/6

05:55-15:35

1 stop14h 40m

Washington, D.C. Dulles Intl

Sat 20/6

17:20-10:00

1 stop11h 40m

€519
Fastest return journey

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 11/6

12:35-15:45

Nonstop8h 10m

Washington, D.C. Dulles Intl

Sun 14/6

21:00-08:55

Nonstop6h 55m

€520

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 24/6

08:55-18:32

2 stops14h 37m

Washington, D.C. Dulles Intl

Mon 29/6

21:45-15:25

1 stop12h 40m

€521

ShannonBaltimore

SNN - BWI

SNNBWI

Shannon

Tue 14/7

09:30-17:36

1 stop13h 06m

Baltimore/Washington

Tue 21/7

10:32-07:30

1 stop15h 58m

€803

ShannonBaltimore

SNN - BWI

SNNBWI

Shannon

Sun 12/7

09:30-09:27

1 stop28h 57m

Baltimore/Washington

Sun 19/7

08:16-10:15

2 stops44h 59m

€872

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 September. Flight prices, which tend to average around €442, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, 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 September, still average around €454.

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 Wednesday. Travellers who choose to depart for Washington, D.C. on a Wednesday will often find tickets for as low as €687. 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 €803.

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

Flying to Washington, D.C. from Ireland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €539 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €749 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 €552 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 €430 on momondo.

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 DUBLINSeptember19% cheaperFlying from Dublin to Washington, D.C. costs on average just €442 in September
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLINMarch25% more expensiveIt costs about €687 for flights to Washington, D.C. from Dublin in March
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLINMay600% more users visitedMore momondo users searched in flights to Washington, D.C. from Dublin in May 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

€315

Best Round-Trip Price

€462

Fastest flight time

13h 15m

Popular in

March
The best one-way flight price to Washington, D.C. from Ireland in the last 5 days is €315 (Dublin to Baltimore/Washington).
The best round-trip flight price to Washington, D.C. from Ireland in the last 5 days is €462 (Dublin to Baltimore/Washington).
The fastest flight to Washington, D.C. from Ireland takes 13h 15m (Cork to Baltimore/Washington).
March has the highest demand for flights to Washington, D.C., with a 0% price increase on average.

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

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

Most flyers found that booking tickets 78 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 €546. In the past 72 hours, momondo users found flights from Ireland to Washington, D.C. for as low as €340.

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 €184 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 Walter E. Washington Convention Center?

The closest airport to Walter E. Washington Convention Center is 6.0 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.?

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
Landover
Alexandria

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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Wed 1/7
Wed 8/7

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Popular Flights to Washington, D.C.

Popular routes according to searches in the past day on momondo