Question 1

How many flights depart from Dublin to Washington, D.C. Dulles Intl Airport on average per week?

Accepted Answer

As of December 2025, there are 84 flights per week flying from Dublin to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Question 2

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Dublin. The lowest ticket price found for a Thursday departure recently was €612. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is €796.

Question 3

How many flights depart from Dublin to Washington, D.C. Dulles Intl Airport on average per day?

Accepted Answer

The number of flights available between Dublin and Washington, D.C. Dulles Intl Airport is 12 per day as of December 2025. The most frequent departure time is 12:00, with 100% of daily flights leaving in the afternoon.

Question 4

What cabin class options are available on Dublin to Washington, D.C. Dulles Intl flights?

Accepted Answer

There are 2 cabin classes available to choose from on Dublin to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 5

What is the cheapest airline that flies from Dublin to Washington, D.C. Dulles Intl?

Accepted Answer

Aer Lingus is the most popular carrier operating from Dublin to Washington, D.C. Dulles Intl

Question 6

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

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 7

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around €516 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Dublin for as low as €450 on momondo.

Question 8

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

Accepted Answer

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

Question 9

Which stopover airport offers the lowest fares from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights via Lisbon (LIS) offer the lowest average return price of €333.

Question 10

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. momondo users have found flights departing from Dublin to Washington, D.C. Dulles Intl Airport in the afternoon for as low as €518. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around €700. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 11

How have Dublin to Washington, D.C. Dulles Intl Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

Question 12

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

Accepted Answer

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 13

Which airport is the most popular for stopovers for flights between Dublin and Washington, D.C. Dulles Intl Airport?

Accepted Answer

Lisbon (LIS) was the most common stop: 33% of momondo users choosing one-stop flights on this route connected there.

Question 14

What is the cheapest Dublin to Washington, D.C. Dulles Intl flight route?

Accepted Answer

Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. Dulles Intl flight prices

Question 15

Can stopping save me money on Dublin to Washington, D.C. Dulles Intl Airport flights?

Accepted Answer

You could potentially save up to 14% on your flight if you consider stops on a Dublin to Washington, D.C. Dulles Intl Airport flight.

Question 16

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

Accepted Answer

Historically, on average around 15% of flights between Dublin and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Question 17

Which airlines fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Dublin according to our data. Aer Lingus is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Question 18

Which stopover airport has the shortest connection time from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Lisbon (LIS) has the shortest average stopover time for this route: 2h 50m.

Question 19

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The month of January is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Dublin, with most prices found around €402. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. Dulles Intl Airport from Dublin during November instead. Flights to Washington, D.C. Dulles Intl Airport in November, while not as cheap as those in January, still average around €434.

Question 20

Which stopover airport has the shortest travel time from Dublin to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 12h 19m.

Question 21

When did momondo last update prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

Question 22

How many operators does momondo search for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

There are 3 operators available for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport as of December 2025.

Question 23

How old do you have to be to fly from Dublin Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Washington, D.C. Dulles Intl Airport.

Question 24

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	€396
Fastest flight time	7h 55m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom €297	Free Cancellation	Rating 7.0 584 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €315	Free Cancellation	Rating 7.2 1,384 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €408	Free Cancellation	Rating 7.4 9,057 reviews	Search United Airlines flights

Cheap flights from Dublin to Washington, D.C. from €337

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How to get the cheapest flight ticket from Dublin to Washington, D.C. Dulles Intl Airport

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What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest Dublin to Washington, D.C. Dulles Intl flight route?

Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

What cabin class options are available on Dublin to Washington, D.C. Dulles Intl flights?

There are 2 cabin classes available to choose from on Dublin to Washington, D.C. Dulles Intl 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. Dulles Intl Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Dublin to Washington, D.C. Dulles Intl Airport flight.

How have Dublin to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2025, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Dublin to Washington, D.C. Dulles Intl?

Aer Lingus is the most popular carrier operating from Dublin to Washington, D.C. Dulles Intl

Which airlines fly to Washington, D.C. Dulles Intl Airport?

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

Historically, on average around 15% of flights between Dublin and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between Dublin and Washington, D.C. Dulles Intl Airport?

Lisbon (LIS) was the most common stop: 33% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Dublin to Washington, D.C. Dulles Intl Airport?

Flights via Lisbon (LIS) offer the lowest average return price of €333.

Which stopover airport has the shortest travel time from Dublin to Washington, D.C. Dulles Intl Airport?

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 12h 19m.

Which stopover airport has the shortest connection time from Dublin to Washington, D.C. Dulles Intl Airport?

Lisbon (LIS) has the shortest average stopover time for this route: 2h 50m.

How many flights depart from Dublin to Washington, D.C. Dulles Intl Airport on average per day?

The number of flights available between Dublin and Washington, D.C. Dulles Intl Airport is 12 per day as of December 2025. The most frequent departure time is 12:00, with 100% of daily flights leaving in the afternoon.

How many flights depart from Dublin to Washington, D.C. Dulles Intl Airport on average per week?

As of December 2025, there are 84 flights per week flying from Dublin to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

When to book flights from Dublin to Washington, D.C. Dulles Intl Airport

Cheap Dublin to Washington, D.C. Dulles Intl Airport (DUB to IAD) flight deals and tips

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When did momondo last update prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from Dublin Airport to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

What is the most popular plane model from Dublin to Washington, D.C. Dulles Intl Airport?

What is the most popular airline from Dublin to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Dublin to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. Dulles Intl Airport with momondo

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