Cheap flights from Ireland to Washington, D.C. from €233
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 30/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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.
Recent return flight deals from Ireland to Washington, D.C.
Recent one-way flight deals from Ireland to Washington, D.C.
Recent last minute flight deals from Ireland to Washington, D.C.
Recent direct flight deals from Ireland to Washington, D.C.
British Airways flights from Ireland to Washington, D.C.
Our best British Airways deals on Ireland to Washington, D.C. flight tickets
Icelandair flights from Ireland to Washington, D.C.
Our best Icelandair deals on Ireland to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Ireland to Washington, D.C.
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
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 €405, 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 November instead. Flights to Washington, D.C. in November, while not as cheap as those in January, still average around €428.
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 Monday. Travellers who choose to depart for Washington, D.C. on a Monday will often find tickets for as low as €626. 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 €728.
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 €424 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 €699 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.
What is the cheapest Ireland to Washington, D.C. flight route?
Fly from Dublin to Washington, D.C. Dulles Intl for the best Ireland - Washington, D.C. flight prices
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 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. 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. from Ireland for as low as €387 on momondo.
What cabin class options are available on Ireland to Washington, D.C. flights?
There are 1 cabin classes available to choose from on Ireland to Washington, D.C. 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.?
PLAY, WorldTicket, and Icelandair are the most popular carriers operating from Ireland to Washington, D.C.
Which airlines fly to Washington, D.C.?
Aer Lingus, Icelandair and PLAY are the top three most popular airlines that fly to Washington, D.C. from Ireland according to our data. Aer Lingus is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to Washington, D.C. on average per day?
As of June 2025, 10 flights take off from Ireland and land in Washington, D.C. each day. The most common flight departure time for this route is 12:00, with 82% of daily flights taking off in the afternoon.
How many flights depart from Ireland to Washington, D.C. on average per week?
As of June 2025, there are 73 flights per week flying from Ireland to Washington, D.C.. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
Cheap Ireland to Washington, D.C. flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Washington, D.C.
Best price found | €233 |
|---|---|
Fastest flight time | 7h 55m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
When did momondo last update prices for flights from Ireland to Washington, D.C.?
Prices for flights from Ireland to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Ireland to Washington, D.C.?
The number of operators available for flights from Ireland to Washington, D.C. is 5 as of June 2025.
How old do you have to be to fly from Ireland 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 from Ireland to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. 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.?
Based on momondo bookings for flights between Ireland and Washington, D.C., the leading plane model is Boeing 757-200, making up 32.31% of the total bookings. Other popular models include Airbus A321neo with 25.75%, Airbus A321-100/200 with 12.39%, and Airbus A330-300 with 9.88%.
Best airlines flying from Ireland to Washington, D.C.
Compare and see reviews for airlines that fly from Ireland to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €232 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom €326 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom €378 | Free Cancellation | Rating 7.1 1,118 reviews | |||
| PriceFrom €417 | Free Cancellation | Rating 6.6 7,028 reviews | |||
| PriceFrom €464 | Free Cancellation | Rating 7.4 8,801 reviews |
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 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?
momondo does allow users to show only those flights to Washington, D.C. from Ireland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ireland to Washington, D.C.?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ireland.
I’m not ready to book a flight from Ireland to Washington, D.C. right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Washington, D.C. from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.