Question 1

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

Accepted Answer

Icelandair, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Dublin to Washington, D.C.

Question 2

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

Accepted Answer

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

Question 3

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 14% of their flights experiencing any sort of delay.

Question 4

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

Accepted Answer

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 12h 05m.

Question 5

Which airlines fly to Washington, D.C.?

Accepted Answer

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 57% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 4 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Question 6

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

Accepted Answer

The cheapest day to depart from Dublin to Washington, D.C. is on a Thursday. Travellers who choose to depart for Washington, D.C. on a Thursday will often find tickets for as low as €602. 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. on Sunday is €795.

Question 7

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

Accepted Answer

The cheapest month to fly to Washington, D.C. from Dublin is in February. Flight prices, which tend to average around €421, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. from Dublin during January instead. Flights to Washington, D.C. in January, while not as cheap as those in February, still average around €427.

Question 8

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

Accepted Answer

There are 2 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.

Question 9

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

Accepted Answer

As of December 2025, 12 flights take off from Dublin and land in Washington, D.C. each day. The most common flight departure time for this route is 12:00, with 100% of daily flights taking off in the afternoon.

Question 10

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

Accepted Answer

As of December 2025, prices for Dublin to Washington, D.C. flights are approximately 20% more expensive when compared to flights at the same time last year.

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

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 €509 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. from Dublin for as low as €428 on momondo.

Question 13

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

Accepted Answer

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 59m.

Question 14

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

Accepted Answer

Flying to Washington, D.C. from Dublin at midday is the least expensive time of day to depart. momondo users have found prices as low as €419 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €692 on average. Flights to Washington, D.C. from Dublin in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 15

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

Accepted Answer

84 flights are operational weekly from Dublin to Washington, D.C. as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

Sunday 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 18

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

Accepted Answer

Reykjavik (KEF) was the most common stop: 63% of momondo users choosing one-stop flights on this route connected there.

Question 19

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

Accepted Answer

Flights via Lisbon (LIS) offer the lowest average return price of €330.

Question 20

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

Accepted Answer

Historically, on average around 14% 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 152 minutes.

Question 21

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

Accepted Answer

Prices for flights from Dublin Airport to Washington, D.C. are updated daily.

Question 22

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

Accepted Answer

As of December 2025, there are 4 operators available to choose from for flights from Dublin Airport to Washington, D.C..

Question 23

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

Accepted Answer

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..

Question 24

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

Accepted Answer

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	€388
Fastest flight time	7h 55m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom €244	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Icelandair	PriceFrom €294	Free Cancellation	Rating 7.0 589 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €312	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €404	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights

Cheap flights from Dublin to Washington, D.C. from €268

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

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

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

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

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.?

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

There are 2 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 14% 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 December 2025, prices for Dublin to Washington, D.C. flights are approximately 20% 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.?

Icelandair, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Dublin to Washington, D.C.

Which airlines fly to Washington, D.C.?

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

Historically, on average around 14% 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 152 minutes.

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

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

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

Sunday 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 14% of their flights experiencing any sort of delay.

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

Reykjavik (KEF) was the most common stop: 63% 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.?

Flights via Lisbon (LIS) offer the lowest average return price of €330.

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

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 12h 05m.

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

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 59m.

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

As of December 2025, 12 flights take off from Dublin and land in Washington, D.C. each day. The most common flight departure time for this route is 12:00, with 100% of daily flights taking off in the afternoon.

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

84 flights are operational weekly from Dublin to Washington, D.C. as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off 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

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

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

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

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