Cheap flights from Washington, D.C. to Dublin from $243
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. to Dublin departing on 7/27. 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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JetBlue flights from Washington, D.C. to Dublin
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Air Canada flights from Washington, D.C. to Dublin
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How to get the cheapest flight ticket from Washington, D.C. 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. to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $528. If you’re not able to fly to Dublin in January, then March is your next best option. Flight prices from Washington, D.C. to Dublin during March average around $549.
What is the cheapest day to depart on your flight to Dublin?
The cheapest day to depart from Washington, D.C. to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $740. Flights from Washington, D.C. 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. to Dublin when you can find flight prices for as low as $801. 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. to Dublin flight route?
Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. - 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. when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $552 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Washington, D.C. for as low as $487 on momondo.
What cabin class options are available on Washington, D.C. to Dublin flights?
There are 3 cabin classes available to choose from on Washington, D.C. 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. to Dublin?
Icelandair, PLAY, and TAP AIR PORTUGAL are the most popular carriers operating from Washington, D.C. to Dublin
What airlines fly to Dublin?
Aer Lingus, PLAY and United Airlines are the top three most popular airlines that fly to Dublin from Washington, D.C. 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 Dublin. Keep in mind that there are 11 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. to Dublin on average per day?
As of June 2025, there are 11 flights per day flying from Washington, D.C. to Dublin. The most common time of day flights depart is 10:00PM, with 73% of flights taking off in the evening.
How many flights depart from Washington, D.C. to Dublin on average per week?
As of June 2025, 81 flights take off from Washington, D.C. and land in Dublin each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When to book flights from Washington, D.C. to Dublin
Cheap Washington, D.C. to Dublin (WAS to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Dublin
How far is Washington, D.C. to Dublin by plane?
The straight-line distance from Washington, D.C. to Dublin is 3379.2 mi. 6h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Dublin Airport?
Prices for flights from Washington, D.C. to Dublin Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Dublin Airport?
As of June 2025, there are 11 operators available to choose from for flights from Washington, D.C. to Dublin Airport.
How old do you have to be to fly from Washington, D.C. to Dublin Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The required travel and health documents for your Dublin Airport 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 license and a passport valid for six months after your intended arrival at Dublin Airport. 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 Dublin?
Based on momondo bookings for flights between Washington, D.C. and Dublin, the leading plane model is Boeing 757-200, making up 30.73% of the total bookings. Other popular models include Airbus A321neo with 20.22%, Boeing 777 with 11.19%, and Boeing 777-300ER with 8.54%.
What is the most popular airline from Washington, D.C. to Dublin?
Based on momondo bookings for flights between Washington, D.C. and Dublin, the leading airline is Aer Lingus, making up 50% of the total bookings. Other popular airlines include PLAY with 19%, United Airlines with 17%, and Icelandair with 5%.
Best airlines flying from Washington, D.C. to Dublin
Compare and see reviews for airlines that fly from Washington, D.C. to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $283 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $415 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $457 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $457 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $491 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $496 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $526 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $548 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.2 10,000 reviews |
United Airlines Flights From Washington, D.C. to Dublin
United Airlines flight deals from Washington, D.C. to Dublin start from $496 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually $819 round-trip - but some users have found much cheaper deals with momondo.
American Airlines Flights From Washington, D.C. to Dublin
The best American Airlines deal for Washington, D.C. to Dublin flight tickets found on momondo in the last 72 hours was $550, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $882 round-trip. American Airlines operates 13 flights out of Washington, D.C. into Dublin in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.
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Why should I use momondo to find a flight deal from Washington, D.C. to Dublin?
Finding the right flight to Dublin from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.
Can I find flights from Washington, D.C. to Dublin with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Dublin flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Dublin?
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 Dublin from Washington, D.C..
I’m not ready to book a flight from Washington, D.C. to Dublin right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Washington, D.C. to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.