Flights to Washington, D.C. Dulles Intl

€294 Cheap flights to Washington, D.C. Dulles Intl Airport

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. Dulles Intl Airport departing on 11/12. 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

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€365Icelandair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€366Icelandair
Find Deal
Tue, 18 Nov - Mon, 15 Dec
American Airlines Logo
10:45 - 23:07DUB-IAD
17h 22m2 stops
American Airlines Logo
18:20 - 09:50IAD-DUB
10h 30m1 stop
€370American Airlines
Find Deal
Mon, 17 Nov - Sun, 14 Dec
American Airlines Logo
12:55 - 22:28DUB-IAD
14h 33m1 stop
American Airlines Logo
18:20 - 09:50IAD-DUB
10h 30m1 stop
€375American Airlines
Find Deal
Sat, 13 Dec - Mon, 5 Jan
Aer Lingus Logo
12:15 - 16:35DUB-IAD
8h 20mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€377Aer Lingus
Find Deal
Fri, 31 Oct - Sat, 8 Nov
Aer Lingus Logo
16:20 - 19:30DUB-IAD
8h 10mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€378Aer Lingus
Find Deal
Wed, 5 Nov - Thu, 20 Nov
British Airways Logo
08:50 - 15:35DUB-IAD
11h 45m1 stop
British Airways Logo
18:20 - 09:50IAD-DUB
10h 30m1 stop
€385British Airways
Find Deal
Wed, 26 Nov - Thu, 26 Feb
British Airways Logo
08:50 - 19:55DUB-IAD
16h 05m1 stop
British Airways Logo
18:20 - 15:05IAD-DUB
15h 45m1 stop
€388British Airways
Find Deal
Tue, 18 Nov - Fri, 12 Dec
Delta Logo
05:55 - 16:05DUB-IAD
15h 10m1 stop
Delta Logo
12:30 - 07:50IAD-DUB
14h 20m2 stops
€400Delta
Find Deal
Wed, 26 Nov - Tue, 24 Feb
Delta Logo
08:50 - 16:05DUB-IAD
12h 15m1 stop
Delta Logo
07:01 - 07:45IAD-DUB
19h 44m1 stop
€403Delta
Find Deal
Tue, 25 Nov - Sun, 30 Nov

momondo Fare Finder

 
Locate flights to Washington, D.C. Dulles Intl 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 17 October 2025.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

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

€365

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 18/11

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 15/12

19:40-10:15

1 stop9h 35m

€366

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 17/11

10:45-23:07

2 stops17h 22m

Washington, D.C. Dulles Intl

Sun 14/12

18:20-09:50

1 stop10h 30m

€370

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 13/12

12:55-22:28

1 stop14h 33m

Washington, D.C. Dulles Intl

Mon 5/1

18:20-09:50

1 stop10h 30m

€375

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 31/10

12:15-16:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sat 8/11

17:05-04:55

Nonstop6h 50m

€377

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 5/11

16:20-19:30

Nonstop8h 10m

Washington, D.C. Dulles Intl

Thu 20/11

17:05-04:55

Nonstop6h 50m

€378

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 26/11

08:50-15:35

1 stop11h 45m

Washington, D.C. Dulles Intl

Thu 26/2

18:20-09:50

1 stop10h 30m

€385

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 18/11

08:50-19:55

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 12/12

18:20-15:05

1 stop15h 45m

€388

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 26/11

05:55-16:05

1 stop15h 10m

Washington, D.C. Dulles Intl

Tue 24/2

12:30-07:50

2 stops14h 20m

€400

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 25/11

08:50-16:05

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 30/11

07:01-07:45

1 stop19h 44m

€403

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. Dulles Intl Airport from

Flights to Washington, D.C. Dulles Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.

What cabin class options are available on Ireland to Washington, D.C. Dulles Intl flights?

There are 2 cabin classes available to choose from on Ireland to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ireland. The lowest ticket price found for a Thursday departure recently was €630. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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. Dulles Intl Airport on Sunday is €799.

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

The month of November is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ireland, with most prices found around €424. If you aren’t able to travel during the month of November, then book flights to Washington, D.C. Dulles Intl Airport from Ireland during January instead. Flights to Washington, D.C. Dulles Intl Airport in January, while not as cheap as those in November, still average around €427.

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

According to our data, the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. momondo users have found flights departing from Ireland to Washington, D.C. Dulles Intl Airport in the afternoon for as low as €528. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around €693. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ireland to Washington, D.C. Dulles Intl flight route?

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around €518 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. Dulles Intl Airport from Ireland for as low as €406 on momondo.

Cheapest flights to Washington, D.C. Dulles Intl

Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport
CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLINNovember19% cheaperFlying from Dublin to Washington, D.C. Dulles Intl Airport costs on average just €424 in November
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLINAugust32% more expensiveIt costs about €686 for flights to Washington, D.C. Dulles Intl Airport from Dublin in August
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLINAugust236% more users visitedMore momondo users searched in flights to Washington, D.C. Dulles Intl Airport from Dublin in August than any other month

Cheap Washington, D.C. Dulles Intl Airport flight deals and tips

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

Best One-Way Price

€294

Best Round-Trip Price

€365

Fastest flight time

8h 10m

Popular in

August
The best one-way flight price to Washington, D.C. from Ireland in the last 72 hours is €294 (Dublin to Washington, D.C. Dulles Intl).
The best round-trip flight price to Washington, D.C. from Ireland in the last 72 hours is €365 (Dublin to Washington, D.C. Dulles Intl).
The fastest flight to Washington, D.C. from Ireland takes 8h 10m (Dublin to Washington, D.C. Dulles Intl).
August has the highest demand for flights to Washington, D.C., with a 12% price increase on average.

Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport

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

From most locations, the cheapest flights to Washington, D.C. Dulles Intl Airport can be found during the month of November; however great deals can be found at other times.

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

From most locations, booking your flights to Washington, D.C. Dulles Intl Airport around 73 days prior to your departure date finds the best deals.

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

From most locations, the cheapest day to fly to Washington, D.C. Dulles Intl Airport is Thursday. Most users found that departing on a Sunday was most expensive.

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

In general, when looking for the cheapest flight to Washington, D.C. Dulles Intl Airport, our data indicates that Afternoon flights are the most cost-effective. Morning flights tend to be the most expensive.

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

Those flying to Washington, D.C. Dulles Intl Airport could potentially find better pricing at 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) depending on the month and departure airport.

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

The cheapest airport near Washington, D.C. is typically Washington, D.C. Reagan-National Airport, with an average price of €270/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to Washington, D.C. Dulles Intl Airport?

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

Prices for flights to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

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. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport. 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport 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.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C..

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

Yes. momondo allows you to filter the results for flights to Washington, D.C. to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Washington, D.C..

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

Price alerts on flights to Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 16/11
Sun 23/11

Find better results for your trip to Washington, D.C. Dulles Intl Airport IAD

Popular Flights to Washington, D.C. Dulles Intl Airport

Popular routes according to searches in the past day on momondo