Cheap flights from Washington, D.C. Dulles Intl Airport to Ireland from $258
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Ireland departing on 8/20. 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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0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Ireland that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to Ireland.
Cheap last minute flights
Planning a quick getaway from Washington, D.C. Dulles Intl Airport to Ireland? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Ireland, so you can enjoy a seamless trip without layovers.
Icelandair flights from Washington, D.C. Dulles Intl Airport to Ireland
Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
Icelandair![Icelandair]()
Oct 23![Icelandair]()
Nov 1
IAD8:30 pmWashington, D.C. Dulles Intl
9h 35m
1 stop
DUB11:05 amDublin
DUB11:30 amDublin
11h 50m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Icelandair![Icelandair]()
Sep 26![Icelandair]()
Oct 11
IAD8:30 pmWashington, D.C. Dulles Intl
11h 45m
1 stop
DUB1:15 pmDublin
DUB2:15 pmDublin
10h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Ireland
Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
Aer Lingus![Aer Lingus]()
Aug 11![Aer Lingus]()
Aug 26
IAD8:25 pmWashington, D.C. Dulles Intl
6h 50m
DUB8:15 amDublin
DUB12:50 pmDublin
8h 00m
IAD3:50 pmWashington, D.C. Dulles Intl
Aer Lingus![Aer Lingus]()
Sep 9![Aer Lingus]()
Sep 24
IAD5:20 pmWashington, D.C. Dulles Intl
6h 50m
DUB5:10 amDublin
DUB4:35 pmDublin
7h 55m
IAD7:30 pmWashington, D.C. Dulles Intl
See travel insights to Ireland from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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
Prices
Airlines
Other information
What is the cheapest month to fly to Ireland?
In general, November is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $570. If you aren’t able to travel to Ireland during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $580.
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 $759. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. Dulles Intl Airport to Ireland on a Friday will generally be more expensive and average around $907. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ireland?
According to our data, the cheapest time of day to fly to Ireland is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Ireland in the afternoon for as low as $802. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $1,049.
What is the cheapest Washington, D.C. Dulles Intl to Ireland flight route?
Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. Dulles Intl - 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. Dulles Intl Airport when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $737 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Washington, D.C. Dulles Intl Airport for as low as $631 on momondo.
What cabin class options are available on Washington, D.C. Dulles Intl to Ireland flights?
There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Ireland 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 Washington, D.C. Dulles Intl to Ireland?
TAP AIR PORTUGAL, Icelandair, and Scandinavian Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Ireland
What airlines fly to Ireland?
Aer Lingus, United Airlines and PLAY are the top three most popular airlines that fly to Ireland from Washington, D.C. Dulles Intl Airport according to our data. Aer Lingus is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 11 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per day?
11 flights are operational daily from Washington, D.C. Dulles Intl Airport to Ireland as of April 2025. The most popular departure time for this route is 10:00PM, with 75% of flights per day taking off in the evening.
How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per week?
As of April 2025, 81 flights take off from Washington, D.C. Dulles Intl Airport and land in Ireland each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap Washington, D.C. Dulles Intl Airport to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Ireland
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Ireland?
Prices for flights from Washington, D.C. Dulles Intl Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Ireland?
As of April 2025, there are 11 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Ireland.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Ireland?
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 Washington, D.C. Dulles Intl Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents you'll need for your trip to Ireland 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 Ireland. 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 Washington, D.C. Dulles Intl Airport to Ireland?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Ireland, the leading plane model is Boeing 757-200, making up 30.04% of the total bookings. Other popular models include Boeing 777 with 14.47%, Boeing 767-300 with 10.77%, and Boeing 777-300ER with 9.21%.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Ireland
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $290 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom $303 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $423 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom $476 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $483 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $514 | Free Cancellation | Rating 7.1 1,851 reviews | |||
| PriceFrom $634 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $643 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom $644 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $663 | Free Cancellation | Rating 7.2 10,000 reviews |
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?
Yes. momondo enables you to select and highlight flights to Ireland from Washington, D.C. with this policy.
How can momondo help me find flights from Washington, D.C. to Ireland?
momondo provides multiple filters to help you find the best flight to Ireland from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
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.
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