Cheap flights from Ireland to Washington, D.C. from €286
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 22/10. 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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TAP AIR PORTUGAL flights from Ireland to Washington, D.C. Dulles Intl Airport
Our best TAP AIR PORTUGAL deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL![TAP AIR PORTUGAL]()
19 Nov![TAP AIR PORTUGAL]()
1 Dec
DUB04:25Dublin
15h 50m
1 stop
IAD15:15Washington, D.C. Dulles Intl
IAD17:30Washington, D.C. Dulles Intl
17h 40m
1 stop
DUB16:10Dublin
TAP AIR PORTUGAL![TAP AIR PORTUGAL]()
24 Sept![TAP AIR PORTUGAL]()
29 Sept
DUB10:45Dublin
15h 05m
1 stop
IAD20:50Washington, D.C. Dulles Intl
IAD22:20Washington, D.C. Dulles Intl
14h 45m
1 stop
DUB18:05Dublin
Scandinavian Airlines flights from Ireland to Washington, D.C. Dulles Intl Airport
Our best Scandinavian Airlines deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines![Scandinavian Airlines]()
25 Aug![Scandinavian Airlines]()
5 Sept
DUB12:20Dublin
36h 39m
2 stops
IAD19:59Washington, D.C. Dulles Intl
IAD22:05Washington, D.C. Dulles Intl
32h 25m
2 stops
DUB11:30Dublin
Scandinavian Airlines![Scandinavian Airlines]()
25 Aug![Scandinavian Airlines]()
5 Sept
DUB19:05Dublin
29h 54m
1 stop
IAD19:59Washington, D.C. Dulles Intl
IAD22:05Washington, D.C. Dulles Intl
32h 25m
2 stops
DUB11:30Dublin
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Ireland to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
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Other information
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
The month of February is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ireland, with most prices found around €399. If you aren’t able to travel during the month of February, 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 February, still average around €435.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
According to our data, Monday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ireland. The lowest ticket price found for a Monday departure recently was €626. 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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Saturday is €731.
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 €527. 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 €701. 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 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around €499 when searching 16 weeks out.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 €388 on momondo.
What cabin class options are available on Ireland to Washington, D.C. Dulles Intl flights?
There are 1 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 airline that flies from Ireland to Washington, D.C. Dulles Intl?
Icelandair, TAP AIR PORTUGAL, and WestJet are the most popular carriers operating from Ireland to Washington, D.C. Dulles Intl
Which airlines fly to Washington, D.C. Dulles Intl Airport?
Aer Lingus, PLAY and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Ireland according to our data. Aer Lingus is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to Washington, D.C. Dulles Intl Airport on average per day?
The number of flights available between Ireland and Washington, D.C. Dulles Intl Airport is 11 per day as of June 2025. The most frequent departure time is 12:00, with 82% of daily flights leaving in the afternoon.
How many flights depart from Ireland to Washington, D.C. Dulles Intl Airport on average per week?
81 flights are operational weekly from Ireland to Washington, D.C. Dulles Intl Airport as of June 2025. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.
Cheap Ireland to Washington, D.C. Dulles Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Washington, D.C. Dulles Intl Airport
When did momondo last update prices for flights from Ireland to Washington, D.C. Dulles Intl Airport?
Prices for flights from Ireland to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Ireland to Washington, D.C. Dulles Intl Airport?
As of June 2025, there are 4 operators available to choose from for flights from Ireland to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Ireland to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ireland to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Ireland to Washington, D.C. Dulles Intl Airport is Boeing 757-200, representing 32.31% of all bookings. The subsequent popular models are Airbus A321neo at 25.75%, Airbus A321-100/200 at 12.39%, and Airbus A330-300 at 9.88%.
Best airlines flying from Ireland to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Ireland to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €233 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom €326 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom €379 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom €465 | Free Cancellation | Rating 7.4 8,798 reviews |
Travelling to a place near Washington, D.C.?
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Why use momondo?
Why should I use momondo to find a flight deal from Ireland to Washington, D.C.?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Washington, D.C.. momondo saves you time and could save you money on your trip.
Can I find flights from Ireland to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ireland to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from Ireland to Washington, D.C.?
momondo helps you find the best flight between Ireland and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Ireland to Washington, D.C. right now. Can momondo alert me if prices change?
Price alerts on flights to Washington, D.C. from Ireland 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.
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