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 €423 to €590. The lowest price recently found on this route was €315.

Question 1

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 €423 to €590.
The lowest price recently found on this route was €315.

Question 2

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 January. Flight prices, which tend to average around €422, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, 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 January, still average around €424.

Question 3

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 4

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: 57% of momondo users choosing one-stop flights on this route connected there.

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

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 7

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 €333.

Question 8

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 04m.

Question 9

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

Accepted Answer

As of November 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

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 €423 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 €700 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 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

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 13

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 14

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

Accepted Answer

As of November 2025, prices for Dublin to Washington, D.C. flights are approximately 52% more expensive when compared to flights at the same time last year.

Question 15

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 16

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 €607. 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 €809.

Question 17

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 56% 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 18

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 19

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 €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. from Dublin for as low as €450 on momondo.

Question 20

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 November 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Question 21

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 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 November 2025, there are 4 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	€396
Fastest flight time	7h 55m
Direct flights	Every day
Airports in Washington, D.C.	1 airport

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom €247	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Icelandair	PriceFrom €297	Free Cancellation	Rating 7.0 582 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €315	Free Cancellation	Rating 7.2 1,383 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €408	Free Cancellation	Rating 7.4 9,056 reviews	Search United Airlines flights

Cheap flights from Dublin to Washington, D.C. from €271

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 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Dublin to Washington, D.C.

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Scandinavian Airlines flights from Dublin to Washington, D.C.

Our best Scandinavian Airlines deals on Dublin to Washington, D.C. flight tickets

British Airways flights from Dublin to Washington, D.C.

Our best British Airways deals on Dublin to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip