Cheap flights from Dublin to Washington, D.C. from $311
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington, D.C. departing on 9/4. 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 Dublin to Washington, D.C.
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How to get the cheapest flight ticket from Dublin to Washington, D.C.
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 Washington, D.C.?
The month of January is, on average, the cheapest month to fly to Washington, D.C. from Dublin, with most prices found around $468. If you’re not able to fly to Washington, D.C. in January, then November is your next best option. Flight prices from Dublin to Washington, D.C. during November average around $495.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Dublin is on a Monday. momondo users have found tickets for Monday departures for as low as $629. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. for around $823.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
At noon is the cheapest time of day to fly from Dublin to Washington, D.C. when you can find flight prices for as low as $558. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $788. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Dublin to Washington, D.C. flight route?
Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. flight prices
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $577 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Dublin for as low as $448 on momondo.
What cabin class options are available on Dublin to Washington, D.C. flights?
There are 4 cabin classes available to choose from on Dublin to Washington, D.C. 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 Dublin to Washington, D.C. flights?
You could potentially save up to 19% on your flight if you consider stops on a Dublin to Washington, D.C. flight.
How have Dublin to Washington, D.C. flight prices changed over time?
As of July 2025, prices for Dublin to Washington, D.C. flights are approximately 2% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Dublin to Washington, D.C.?
PLAY, Icelandair, and WorldTicket are the most popular carriers operating from Dublin to Washington, D.C.
What airlines fly to Washington, D.C.?
Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Washington, D.C. from Dublin according to our data. Aer Lingus is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dublin to Washington, D.C. on average per day?
The number of flights available between Dublin and Washington, D.C. is 12 per day as of July 2025. The most frequent departure time is 12:00PM, with 80% of daily flights leaving in the afternoon.
How many flights depart from Dublin to Washington, D.C. on average per week?
The number of flights available between Dublin and Washington, D.C. is 86 per week as of July 2025. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.
When to book flights from Dublin to Washington, D.C.
Cheap Dublin to Washington, D.C. (DUB to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Washington, D.C.
Best Price Found | $311 |
|---|---|
Fastest flight time | 8h 20m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
How far is Dublin to Washington, D.C. by plane?
There are 3379.2 mi between Dublin and Washington, D.C.. A reasonable flight in good conditions will take 10h 10m.
When did momondo last update prices for flights from Dublin Airport to Washington, D.C.?
Prices for flights from Dublin Airport to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Washington, D.C.?
As of July 2025, there are 3 operators available to choose from for flights from Dublin Airport to Washington, D.C..
How old do you have to be to fly from Dublin Airport to Washington, D.C.?
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 Dublin Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. 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 license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. 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 Dublin to Washington, D.C.?
Based on momondo bookings for flights between Dublin and Washington, D.C., the leading plane model is Boeing 757-200, making up 31.41% of the total bookings. Other popular models include Airbus A321neo with 25.99%, Airbus A321-100/200 with 12.17%, and Airbus A330-300 with 9.79%.
What is the most popular airline from Dublin to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dublin to Washington, D.C. is Aer Lingus (56% of total bookings). The next most popular airlines are United Airlines (21%), PLAY (12%), and Icelandair (11%).
Best airlines flying from Dublin to Washington, D.C.
Compare and see reviews for airlines that fly from Dublin to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $425 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $446 | Free Cancellation | Rating 7.1 1,140 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.4 8,858 reviews |
United Airlines Flights From Dublin to Washington, D.C.
United Airlines operates around 14 flights from Dublin to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $756, but momondo users have found United Airlines deals from Dublin to Washington, D.C. from as low as $569 round-trip. United Airlines has been scored 7.4/10 in 8,858 reviews.
Aer Lingus Flights From Dublin to Washington, D.C.
Aer Lingus (7.1/10 from 1,140 reviews) operates around 9 flights from Dublin to Washington, D.C. in any given week. The average Aer Lingus airfare for this route is around $610, with deals from around $446 rare but found on momondo. Referenced prices are for round-trip Dublin to Washington, D.C. flight searches in the last 72 hours.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Dublin to Washington, D.C.?
It is quick and easy to find Dublin to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.
Can I find flights from Dublin to Washington, D.C. with flexible booking policies on momondo?
Flights from Dublin to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Dublin to Washington, D.C.?
Once all potential Dublin to Washington, D.C. 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 Dublin to Washington, D.C. right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Dublin and alert you when they change.