Q: What is the typical price of a round-trip flight between Dublin and Washington, D.C.?

Prices are currently low for flights on this route. Typical prices usually range from €386 to €522. The lowest price recently found on this route was €340.

Question 1

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 €419 on momondo.

Question 2

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 13% of their flights experiencing any sort of delay.

Question 3

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 4

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

Accepted Answer

Tuesday 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 5

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 6

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

Accepted Answer

No. A direct flight is the cheapest option for a flight between Dublin to Washington, D.C..

Question 7

What is the typical price of a round-trip flight between Dublin and Washington, D.C.?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from €386 to €522.
The lowest price recently found on this route was €340.

Question 8

Which airlines fly to Washington, D.C.?

Accepted Answer

Aer Lingus, United Airlines and PLAY 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 66% of people opting to fly with this airline when travelling 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.

Question 9

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 10

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 11

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

Accepted Answer

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

Question 12

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 150 minutes.

Question 13

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

Accepted Answer

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

Question 14

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 15

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 €323.

Question 16

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 September. Flight prices, which tend to average around €427, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Washington, D.C. from Dublin during February instead. Flights to Washington, D.C. in February, while not as cheap as those in September, still average around €432.

Question 17

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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €512 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €687 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 18

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

Accepted Answer

As of January 2026, 4 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 19

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 €627. 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 €787.

Question 20

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

Accepted Answer

As of January 2026, prices for Dublin to Washington, D.C. flights are approximately 24% more expensive when compared to flights at the same time last year.

Question 21

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

Accepted Answer

28 flights are operational weekly from Dublin to Washington, D.C. as of January 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Question 22

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 23

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

Accepted Answer

As of January 2026, there are 3 operators available to choose from for flights from Dublin Airport to Washington, D.C..

Question 24

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 25

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	€688
Fastest flight time	8h 00m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom €239	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Aer Lingus	PriceFrom €306	Free Cancellation	Rating 7.2 1,443 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €395	Free Cancellation	Rating 7.4 9,213 reviews	Search United Airlines flights

Cheap flights from Dublin to Washington, D.C. from €276

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 25/2. 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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