Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from $239
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 Dublin departing on 7/28. 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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Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Dublin
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Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Dublin
Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Dublin
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 Dublin?
In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $581. If you’re not able to fly to Dublin in January, then March is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Dublin during March average around $600.
What is the cheapest day to depart on your flight to Dublin?
The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $738. Flights from Washington, D.C. Dulles Intl Airport to Dublin on a Friday will generally be more expensive and average around $899. 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 Dublin?
In the afternoon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Dublin when you can find flight prices for as low as $798. Flying to Dublin in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $929.
What is the cheapest Washington, D.C. Dulles Intl to Dublin flight route?
Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. Dulles Intl - Dublin flight prices
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $717 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Washington, D.C. Dulles Intl Airport for as low as $627 on momondo.
What cabin class options are available on Washington, D.C. Dulles Intl to Dublin flights?
There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dublin 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 Dublin?
TAP AIR PORTUGAL and Icelandair are the most popular carriers operating from Washington, D.C. Dulles Intl to Dublin
What airlines fly to Dublin?
Aer Lingus, United Airlines and PLAY are the top three most popular airlines that fly to Dublin 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 Dublin. Keep in mind that there are 9 different airlines that fly to Dublin 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 Dublin on average per day?
As of July 2025, there are 12 flights per day flying from Washington, D.C. Dulles Intl Airport to Dublin. The most common time of day flights depart is 10:00PM, with 75% of flights taking off in the evening.
How many flights depart from Washington, D.C. Dulles Intl Airport to Dublin on average per week?
The number of flights available between Washington, D.C. Dulles Intl Airport and Dublin is 86 per week as of July 2025. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.
When to book flights from Washington, D.C. Dulles Intl Airport to Dublin
Cheap Washington, D.C. Dulles Intl Airport to Dublin (IAD to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Dublin
Best Price Found | $239 |
|---|---|
Fastest flight time | 6h 50m |
Direct flights | Mon, Tue, Wed, Thu, Fri and Sat |
Airports in Dublin | 1 airport |
How far is Washington, D.C. Dulles Intl to Dublin by plane?
There are 3393.9 mi between Washington, D.C. Dulles Intl and Dublin. Flights usually cover this in 6h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport?
As of July 2025, there are 9 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Dublin Airport?
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 layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents you'll need for your trip to Dublin Airport 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 Dublin Airport. 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 Dublin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Dulles Intl Airport to Dublin is Boeing 757-200 (31.04% of total bookings). The next most popular plane models are Airbus A321neo (20.65%), Boeing 777 (12.20%), and Boeing 777-300ER (8.71%).
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Dublin is Aer Lingus (58% of total bookings). The next most popular airlines are United Airlines (23%), PLAY (7%), and Icelandair (4%).
Best airlines flying from Washington, D.C. Dulles Intl Airport to Dublin
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $288 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 7.3 1,416 reviews | |||
| PriceFrom $424 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $434 | Free Cancellation | Rating 7.1 1,908 reviews | |||
| PriceFrom $470 | Free Cancellation | Rating 7.1 1,144 reviews | |||
| PriceFrom $484 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $557 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $648 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $661 | Free Cancellation | Rating 6.8 7,207 reviews |
United Airlines Flights From Washington, D.C. Dulles Intl Airport to Dublin
United Airlines is one of the most popular airlines flying from Washington, D.C. Dulles Intl Airport to Dublin, operating 14 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Dulles Intl Airport to Dublin starts from $557 round-trip, up to an average price of $884. Our users have rated United Airlines at 7.4/10.
American Airlines Flights From Washington, D.C. Dulles Intl Airport to Dublin
Another popular option for Washington, D.C. Dulles Intl Airport to Dublin flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Washington, D.C. Dulles Intl Airport to Dublin around 13 times per week, with deals starting from $648 round-trip and rising to an average price of around $891.
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Why should I use momondo to find a flight deal from Washington, D.C. to Dublin?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Dublin. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Dublin with flexible booking policies on momondo?
Yes. All flights to Dublin from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Dublin?
Once you have performed a search for Washington, D.C. to Dublin 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 Dublin right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Washington, D.C. and alert you when they change.