Question 1

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 in the morning have, in the past, seen delays more frequently in comparison.

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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 least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Question 5

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

Accepted Answer

The number of flights available between Dublin and Washington, D.C. Dulles Intl Airport is 84 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Question 6

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

Accepted Answer

Flying to Washington, D.C. Dulles Intl Airport from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as $580 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $822 on average. Flights to Washington, D.C. Dulles Intl Airport from Dublin in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 7

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

Accepted Answer

There are 3 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 8

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

Accepted Answer

In general, January is the cheapest month to fly from Dublin to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $467. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $512.

Question 9

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 34% more expensive when compared to flights at the same time last year.

Question 10

What 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 65% of people opting to fly with this airline when traveling 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 11

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

Accepted Answer

As of December 2025, there are 12 flights per day flying from Dublin to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.

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 152 minutes.

Question 13

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 14

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 $596 when searching weeks out. 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 $502 on momondo.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $685. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. Dulles Intl Airport for around $905.

Question 17

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 refresh daily.

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 20

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

Accepted Answer

The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$483
Fastest flight time	7h 55m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $425	Free Cancellation	Rating 7.0 589 reviews	Search Icelandair flights
Aer Lingus	PriceFrom $454	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $643	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights

Cheap flights from Dublin to Washington, D.C. from $421

This is the cheapest round-trip 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 1/23. 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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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 3 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?

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

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 34% 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?

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

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

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 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 which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

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

As of December 2025, there are 12 flights per day flying from Dublin to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.

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

The number of flights available between Dublin and Washington, D.C. Dulles Intl Airport is 84 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving 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?

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

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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

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