€323 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 20/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Route
Depart
Return
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Fri 13/11
11:30-18:30
1 stop12h 00m
Washington, D.C. Dulles Intl
Mon 23/11
19:40-10:15
1 stop9h 35m
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Thu 12/11
11:30-18:30
1 stop12h 00m
Washington, D.C. Dulles Intl
Mon 23/11
19:40-10:15
1 stop9h 35m
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Wed 10/2
11:30-18:30
1 stop12h 00m
Washington, D.C. Dulles Intl
Sun 14/2
19:40-10:15
1 stop9h 35m
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Thu 3/12
16:20-19:30
Nonstop8h 10m
Washington, D.C. Dulles Intl
Sun 6/12
20:50-08:45
Nonstop6h 55m
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Thu 3/12
12:20-15:45
Nonstop8h 25m
Washington, D.C. Dulles Intl
Sun 6/12
21:45-13:35
1 stop10h 50m
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Fri 13/11
15:50-19:20
Nonstop8h 30m
Washington, D.C. Dulles Intl
Mon 23/11
20:50-08:45
Nonstop6h 55m
CorkBaltimore
ORK Cork - BWI Baltimore/Washington
ORKBWI
Cork
Thu 19/11
07:40-17:05
1 stop14h 25m
Baltimore/Washington
Thu 26/11
18:55-15:25
1 stop15h 30m
CorkWashington, D.C.
ORK Cork - IAD Washington, D.C. Dulles Intl
ORKIAD
Cork
Thu 19/11
07:40-19:55
1 stop17h 15m
Washington, D.C. Dulles Intl
Thu 26/11
18:05-15:25
1 stop16h 20m
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Sat 7/11
09:00-15:45
1 stop11h 45m
Washington, D.C. Dulles Intl
Sun 29/11
10:15-08:10
1 stop16h 55m
DublinWashington, D.C.
DUB Dublin - IAD Washington, D.C. Dulles Intl
DUBIAD
Dublin
Sat 7/11
09:00-20:10
1 stop16h 10m
Washington, D.C. Dulles Intl
Sat 5/12
17:46-09:55
1 stop11h 09m
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 February. Flight prices, which tend to average around €474, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. from Ireland during January instead. Flights to Washington, D.C. in January, while not as cheap as those in February, still average around €503.
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 Richmond for €239. This is 40% 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.
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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 €710. 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 €808.
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 €562 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 €780 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 DUBLIN | February | 21% cheaper | Flying from Dublin to Washington, D.C. costs on average just €474 in February |
| MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN | March | 32% more expensive | It costs about €790 for flights to Washington, D.C. from Dublin in March |
| MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN | May | 585% more users visited | More 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 | €323 |
|---|---|
Best Round-Trip Price | €401 |
Fastest flight time | 11h 22m |
Popular in | March |
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 86 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 €597. In the past 72 hours, momondo users found flights from Ireland to Washington, D.C. for as low as €375.
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 €286 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 October 2026, there are 4 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.
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy 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.