How much does it cost to fly round-trip from Dublin to Washington, D.C.?

Airfare is below average for this route at the moment. Dublin to Washington, D.C. flights typically cost between $441 and $616 in December. The cheapest round-trip price found within the last 3 days was $398 on Icelandair (Dec 5-Dec 8).

How long is the flight from Dublin to Washington, D.C.?

A quick flight from Dublin to Washington, D.C. can take about 12h 50m. Scandinavian Airlines provides one of the quickest options available for as low as $429. The distance from Dublin to Washington, D.C. is about 3351 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Dublin to Washington, D.C. round-trip?

Flying on Icelandair is currently your cheapest option to Washington, D.C., with prices starting at $425. Additional round-trip tickets that might be worth considering are offered by Aer Lingus and United Airlines, with the lowest prices starting at $457 and $612, respectively. Icelandair is 25% cheaper than the average price of flights available within the next 90 days to this destination.

How far ahead should I book a flight from Dublin to Washington, D.C.?

To ensure you get the cheapest price possible for a flight from Dublin to Washington, D.C., you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dublin to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of $292). Flying from Dublin to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Dublin to Washington, D.C.?

Travelers seeking maximum savings on their Dublin to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dublin to Washington, D.C.

The most flights from DUB to WAS are scheduled on a Tuesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Dublin to Washington, D.C.?

While some choose either Dublin - Baltimore/Washington or Dublin - Washington, D.C. Reagan-National, Dublin - Washington, D.C. Dulles Intl is the most popular route from Dublin to Washington, D.C..

What are the cheapest flights from Dublin to Washington, D.C.?

Looking for the cheapest flight from Dublin to Washington, D.C.? While on average our users pay $848, our data indicates the cheapest price to be $472. The most popular route (Dublin - Washington, D.C. Dulles Intl), is priced around $402.

What are the most reliable airlines from Dublin to Washington, D.C.?

The top 3 most reliable airlines when flying from Dublin to Washington, D.C. are Air Canada (72%), United Airlines (72%) and Lufthansa (68%).

What are the most popular airlines that fly from Dublin to Washington, D.C.?

When booking a flight from Dublin to Washington, D.C., you may want to consider flying on Aer Lingus, Icelandair or United Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from DUB to WAS?

It’s typically best to fly out from Dublin to Washington, D.C. at noon. Doing so could potentially save you 32% on the flight price compared to flying in the morning, which is usually more expensive.

What airport do you fly from for flights from Dublin to Washington, D.C.?

Most people fly from Dublin (DUB) if they book a flight from Dublin to Washington, D.C.. On average, Dublin has 11 outbound flights to Washington, D.C. per day from 3 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

Can I find deals for flights from Dublin to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Dublin to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dublin to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Washington, D.C..

Can I find deals for business class flights from Dublin to Washington, D.C.?

Yes. Cheapflights offers flight deals from Dublin to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$330+ Cheap Flights from Dublin to Washington, D.C.

Round-trip from	$398 (Icelandair)
One-way from	$330 (Kiwi.com)
Popular in	August
Cheapest in	January
Average price	$509
Good round-trip deal	$724 or less
Good one-way deal	$520 or less

Polaris passengers enjoy lie-flat seats and access to exclusive lounges with dining and relaxation areas.

Economy Plus offers extra legroom and priority boarding, ideal for added comfort on long-haul flights.

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$420	Average$564	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$457	Average$657	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$612	Average$802	FlexibilityNo cancel fee	On-time69%

$330+ Cheap flights from Dublin (DUB) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dublin to Washington, D.C. with Cheapflights

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Cheapflights Tip: The best prices from Dublin to Washington, D.C. are usually found in January or March, booked 76 days in advance, depart on a Friday or Sunday and return on a Tuesday

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Cheapest flights from Dublin to Washington, D.C.Explore the most affordable flight options available from Dublin to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Dublin to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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The best insider tips for Dublin to Washington, D.C. flights

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Best time to book a flight from Dublin to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Dublin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Washington, D.C.

How far ahead should I book a flight from Dublin to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Washington, D.C.. Price data was last updated on September 12, 2025.

What is the cheapest month to book a flight from Dublin to Washington, D.C.?

What is the cheapest time of day to fly from DUB to WAS?

Find hourly flight availability from Dublin to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Weekly flight availability from Dublin to Washington, D.C.

How much does it cost to fly round-trip from Dublin to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with United Airlines, Aer Lingus, and Icelandair from Dublin to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Dublin to Washington, D.C.?

How long is the flight from Dublin to Washington, D.C.?

What are the cheapest airlines flying from Dublin to Washington, D.C. round-trip?

What are the most popular routes from Dublin to Washington, D.C.?

What are the most reliable airlines from Dublin to Washington, D.C.?

What are the cheapest flights from Dublin to Washington, D.C.?

Can I find deals for flights from Dublin to Washington, D.C. that include hotel bookings?

How can I find direct flights from Dublin to Washington, D.C.?

Can I find deals for business class flights from Dublin to Washington, D.C.?

What is the cheapest month to book a flight from Dublin to Washington, D.C.?

Traveling to a place near Washington, D.C.?

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Alternative routes for Dublin to Washington, D.C.

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Top 3 airlines flying from Dublin to Washington, D.C.

Cheapest flights from Dublin to Washington, D.C.
Explore the most affordable flight options available from Dublin to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.