Cheap flights from Ireland to Washington, D.C. from $294
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 5/1. 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 and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 round-trip 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.
Aer Lingus flights from Ireland to Washington, D.C.
Our best Aer Lingus deals on Ireland to Washington, D.C. flight tickets
United Airlines flights from Ireland to Washington, D.C.
Our best United Airlines 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 month of January is, on average, the cheapest month to fly to Washington, D.C. from Ireland, with most prices found around $465. If you’re not able to fly to Washington, D.C. in January, then November is your next best option. Flight prices from Ireland to Washington, D.C. during November average around $495.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Ireland is on a Monday. momondo users have found tickets for Monday departures for as low as $651. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Washington, D.C. for around $813.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
At noon is the cheapest time of day to fly from Ireland to Washington, D.C. when you can find flight prices for as low as $558. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $755. 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. 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 $580 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 $485 on momondo.
What cabin class options are available on Ireland to Washington, D.C. flights?
There are 4 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, TAP AIR PORTUGAL, and Icelandair are the most popular carriers operating from Ireland to Washington, D.C.
What airlines fly to Washington, D.C.?
Aer Lingus, United Airlines 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 51% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 4 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 April 2025, there are 11 flights per day flying from Ireland to Washington, D.C.. The most common time of day flights depart is 12:00PM, with 80% of flights taking off in the afternoon.
How many flights depart from Ireland to Washington, D.C. on average per week?
81 flights are operational weekly from Ireland to Washington, D.C. as of April 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. 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 | $294 |
|---|---|
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. were last updated today.
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 4 as of April 2025.
How old do you have to be to fly from Ireland to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek 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 34.97% of the total bookings. Other popular models include Airbus A321neo with 30.13%, Airbus A321-100/200 with 7.85%, and Airbus A330-200 with 4.30%.
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 $281 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom $425 | Free Cancellation | Rating 7.0 484 reviews | |||
| PriceFrom $433 | Free Cancellation | Rating 7.0 1,068 reviews | |||
| PriceFrom $612 | Free Cancellation | Rating 7.4 8,685 reviews |
Traveling 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?
Yes. All flights to Washington, D.C. from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ireland to Washington, D.C.?
Once all potential Ireland to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
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.