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Not ready to book? to track prices.Find the cheapest flights from Washington, D.C. to Ireland
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Scandinavian Airlines flights from Washington, D.C. to Ireland
Our best Scandinavian Airlines deals on Washington, D.C. to Ireland flight tickets
TAP AIR PORTUGAL flights from Washington, D.C. to Ireland
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See travel insights to Ireland from
How to get the cheapest flight ticket from Washington, D.C. to Ireland
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 Ireland?
The month of March is another great option to travel to Ireland, with average flight prices from Washington, D.C. averaging around €476.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as €629. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €858. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.
What is the cheapest time of day to depart on your flight to Ireland?
In the evening is the cheapest time of day to fly from Washington, D.C. to Ireland when you can find flight prices for as low as €631. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around €693.
What is the cheapest Washington, D.C. to Ireland flight route?
Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. - Ireland flight prices
How far in advance should I book a flight to Ireland?
You are more likely to see cheaper flights to Ireland from Washington, D.C. when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €620 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Washington, D.C. for as low as €543 on momondo.
What cabin class options are available on Washington, D.C. to Ireland flights?
There are 2 cabin classes available to choose from on Washington, D.C. to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Washington, D.C. to Ireland on average per day?
As of June 2025, there are 12 flights per day flying from Washington, D.C. to Ireland. The most common time of day flights depart is 22:00, with 73% of flights taking off in the evening.
How many flights depart from Washington, D.C. to Ireland on average per week?
As of June 2025, there are 84 flights per week flying from Washington, D.C. to Ireland. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap Washington, D.C. to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Ireland
When did momondo last update prices for flights from Washington, D.C. to Ireland?
Prices for flights from Washington, D.C. to Ireland are updated daily.
How old do you have to be to fly from Washington, D.C. to Ireland?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Ireland.
What documentation or ID do you need to fly to Ireland?
The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. to Ireland?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Ireland is Boeing 757-200, representing 30.79% of all bookings. The subsequent popular models are Airbus A321neo at 20.18%, Boeing 777 at 11.49%, and Boeing 777-300ER at 8.61%.
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Ireland?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ireland. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Ireland with flexible booking policies on momondo?
All flight searches from Washington, D.C. to Ireland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Ireland?
Once you have performed a search for Washington, D.C. to Ireland flights, momondo helps you find the right one 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 from Washington, D.C. to Ireland right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Washington, D.C. and alert you when they change.