Cheap flights from Ireland to Washington, D.C. from £198
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.
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Recent return flight deals from Ireland to Washington, D.C.
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Icelandair flights from Ireland to Washington, D.C.
Our best Icelandair deals on Ireland to Washington, D.C. flight tickets
British Airways flights from Ireland to Washington, D.C.
Our best British Airways 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 £345, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in January, then you should wait until November to fly from Ireland, when ticket prices are also cheap, with an average price of £365.
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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £517. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £606.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
At midday is the cheapest time of day to fly from Ireland to Washington, D.C. when you can find flight prices for as low as £413. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £565. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
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 £425 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 £330 on momondo.
What cabin class options are available on Ireland to Washington, D.C. flights?
There are 3 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, Icelandair, and JetBlue are the most popular carriers operating from Ireland to Washington, D.C.
Which airlines fly to Washington, D.C.?
Aer Lingus, British Airways and Icelandair 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 56% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 6 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?
The number of flights available between Ireland and Washington, D.C. 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. on average per week?
81 flights are operational weekly from Ireland to Washington, D.C. 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. 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 | £198 |
|---|---|
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. are updated daily.
How many operators does momondo search for flights from Ireland to Washington, D.C.?
As of June 2025, there are 6 operators available to choose from for flights from Ireland to Washington, D.C..
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 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 license 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 £214 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom £292 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom £304 | Free Cancellation | Rating 6.6 7,028 reviews | |||
| PriceFrom £309 | Free Cancellation | Rating 6.8 7,152 reviews | |||
| PriceFrom £317 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom £334 | Free Cancellation | Rating 7.1 1,118 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 compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ireland to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Washington, D.C. from Ireland with this policy.
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?
If you are not ready to book a flight from Ireland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.