Q: How much does it cost for a return flight from Dublin to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. Dublin to Washington, D.C. Dulles Intl Airport flights typically cost between £344 and £464 in May. The cheapest return flight price found within the last 3 days was £298 on Multiple Airlines (5 May-11 May).

Question 1

What’s the top stopover airport for flights from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Reykjavik (KEF) – chosen by Cheapflights users on 68% of one-stop itineraries from Dublin to Washington, D.C. Dulles Intl Airport on Cheapflights.

Question 2

What’s the fastest stopover option from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 11h 23m.

Question 3

Which airport typically offers the quickest stopover for flights from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 2h 12m.

Question 4

How much does it cost for a return flight from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Airfare is below average for this route at the moment.Dublin to Washington, D.C. Dulles Intl Airport flights typically cost between £344 and £464 in May.
The cheapest return flight price found within the last 3 days was £298 on Multiple Airlines (5 May-11 May).

Question 5

How often are flights from Dublin to Washington, D.C. delayed?

Accepted Answer

About 14% of weekly flights between Dublin and Washington, D.C. have experienced delays in the past year, with the average delay time being 152 minutes.

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Question 7

What is the most punctual flight time for Dublin to Washington, D.C. flights?

Accepted Answer

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Question 8

Which airline has the best punctuality record on Dublin to Washington, D.C. flights?

Accepted Answer

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

Question 9

What’s the cheapest stopover airport for flights from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £361.

Question 10

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

Accepted Answer

Flying on Icelandair is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £279. Additional return tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at £295 and £310, respectively. You may be able to fly from Dublin to Washington, D.C. Dulles Intl Airport for 38% less than the average price by searching for these airlines.

Question 11

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from Dublin to Washington, D.C. Dulles Intl Airport, you should look to book at least 36 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.

Question 12

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

Accepted Answer

Currently, December is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £272). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £448). 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.

Question 13

Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport

Accepted Answer

The most flights from DUB to IAD are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Question 14

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Question 15

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 16

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

Accepted Answer

The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is £400. On average you can expect to pay £629. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for £399.

Question 17

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

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Dublin to Washington, D.C. Dulles Intl Airport consider choosing Air Canada (92%), United Airlines (92%) or Lufthansa (92%) as they are the most reliable in getting you off to your destination on time.

Question 18

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

Accepted Answer

The most popular airlines flying from Dublin to Washington, D.C. Dulles Intl Airport are Aer Lingus, United Airlines and Icelandair. Something to consider prior to booking your flight.

Question 19

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Washington, D.C. Dulles Intl Airport as you normally would.

Question 20

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

Accepted Answer

For a flight from Dublin to Washington, D.C. Dulles Intl, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 4 outbound flights to Washington, D.C. Dulles Intl per day. 5 airlines have flights to Washington, D.C. Dulles Intl from Dublin on a regular basis.

Question 21

Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dublin to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 22

How can I find direct flights from Dublin to Dulles Intl?

Accepted Answer

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

Question 23

Can I find deals for business class flights from Dublin to Dulles Intl?

Accepted Answer

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

Question 24

How does Cheapflights help users find flights from Dublin to Dulles Intl?

Accepted Answer

Deals for Dublin to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 25

Why should you use Cheapflights to find cheap flight tickets from Dublin to Dulles Intl?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dublin to Dulles Intl for you. Better yet — we are completely free to use.

Question 26

Can Cheapflights find flights from Dublin to Dulles Intl with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Dulles Intl flexibly with Cheapflights today.

Question 27

Can Cheapflights notify me if prices for flights from Dublin to Dulles Intl become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Dublin to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£298
One-way from	£248
Popular in	July
Cheapest in	November
Average price	£422
Good round-trip deal	£522 or less
Good one-way deal	£575 or less

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£279	Average£333	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£295	Average£440	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£310	Average£493	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£335	Average£559	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£337	Average£442	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Cheap flights from Dublin to Washington, D.C. Dulles Intl Airport from £248

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dublin to Dulles Intl

Cheapest flights from Dublin to Dulles IntlExplore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

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

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

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

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

How much does it cost for a return flight from Dublin to Washington, D.C. Dulles Intl Airport?

Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport

How often are flights from Dublin to Washington, D.C. delayed?

What is the most punctual flight time for Dublin to Washington, D.C. flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Dublin to Washington, D.C. flights?

What’s the top stopover airport for flights from Dublin to Washington, D.C. Dulles Intl Airport?

What’s the cheapest stopover airport for flights from Dublin to Washington, D.C. Dulles Intl Airport?

What’s the fastest stopover option from Dublin to Washington, D.C. Dulles Intl Airport?

Which airport typically offers the quickest stopover for flights from Dublin to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Dublin to Dulles Intl. 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. Dulles Intl?

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

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

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

Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?

How can I find direct flights from Dublin to Dulles Intl?

Can I find deals for business class flights from Dublin to Dulles Intl?

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

Travelling to a place near Washington, D.C. Dulles Intl Airport?

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Can Cheapflights find flights from Dublin to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to Dulles Intl become cheaper?

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Cheapest flights from Dublin to Dulles Intl
Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.