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Not ready to book? to track prices.Find the cheapest 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?
If you aren’t able to travel during the month of January, then book flights to Dublin from Washington, D.C. during March instead. Flights to Dublin in March, while not as cheap as those in January, still average around €468.
What is the cheapest day to depart on your flight to Dublin?
Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €620. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €845. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.
What is the cheapest time of day to depart on your flight to Dublin?
Our data shows that the cheapest Washington, D.C. to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €622. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €687 on average. Flights to Dublin from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
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 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €611 when searching weeks before you fly. 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 €535 on momondo.
What cabin class options are available on Washington, D.C. to Dublin flights?
There are 2 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.
Can stopping save me money on Washington, D.C. to Dublin flights?
You could potentially save up to 58% on your flight if you consider stops on a Washington, D.C. to Dublin flight.
How have Washington, D.C. to Dublin flight prices changed over time?
As of July 2025, prices for Washington, D.C. to Dublin flights are approximately 18% cheaper when compared to flights at the same time last year.
How many flights depart from Washington, D.C. to Dublin on average per day?
The number of flights available between Washington, D.C. and Dublin is 13 per day as of July 2025. The most frequent departure time is 17:00, with 68% of daily flights leaving in the evening.
How many flights depart from Washington, D.C. to Dublin on average per week?
The number of flights available between Washington, D.C. and Dublin is 94 per week as of July 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving 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?
There are 5438.3 km between Washington, D.C. and Dublin. By plane, this route typically takes 6h 50m.
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 old do you have to be to fly from Washington, D.C. to Dublin Airport?
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 stopovers 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 Washington, D.C. to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. to Dublin?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Dublin is Boeing 757-200, representing 30.79% of all bookings. The subsequent popular models are Airbus A321neo at 20.76%, Boeing 777 at 12.43%, and Boeing 777-300ER at 8.65%.
What is the most popular airline from Washington, D.C. to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Dublin is Aer Lingus (100% of total bookings).
Travelling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsWhy use momondo?
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?
momondo does allow users to show only those flights to Dublin from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Washington, D.C. to Dublin?
Once all potential Washington, D.C. to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Dublin right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Washington, D.C. to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.