Question 1

Why should I use momondo to find a flight deal to Washington, D.C.?

Accepted Answer

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C..

Question 2

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

Accepted Answer

Yes. momondo allows you to filter the results for flights to Washington, D.C. to just show those with flexible booking policies.

Question 3

How can momondo help me find flights to Washington, D.C.?

Accepted Answer

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Washington, D.C..

Question 4

I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?

Accepted Answer

Price alerts on flights to Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

Question 5

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

Accepted Answer

From most locations, the cheapest flights to Washington, D.C. Dulles Intl Airport can be found during the month of February; however great deals can be found at other times.

Question 6

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

Accepted Answer

From most locations, booking your flights to Washington, D.C. Dulles Intl Airport around 73 days prior to your departure date finds the best deals.

Question 7

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

Accepted Answer

From most locations, the cheapest day to fly to Washington, D.C. Dulles Intl Airport is Thursday. Most users found that departing on a Sunday was most expensive.

Question 8

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

In general, when looking for the cheapest flight to Washington, D.C. Dulles Intl Airport, our data indicates that Afternoon flights are the most cost-effective. Morning flights tend to be the most expensive.

Question 9

Is there an alternative airport near Washington, D.C. Dulles Intl Airport?

Accepted Answer

Those flying to Washington, D.C. Dulles Intl Airport could potentially find better pricing at Washington, D.C. Reagan-National Airport (6 km from Washington, D.C. city centre) or Baltimore/Washington Airport (44 km from Washington, D.C. city centre) depending on the month and departure airport.

Question 10

Is there a cheaper alternative to flying into Washington, D.C.?

Accepted Answer

The cheapest airport near Washington, D.C. is typically Baltimore/Washington Airport, with an average price of €205/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

Question 11

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

Accepted Answer

For flights from Ireland to Washington, D.C. Dulles Intl Airport, most momondo users will book with popular airlines such as Aer Lingus, United Airlines and Icelandair. Depending on what airport you fly from, you may have other airlines to choose from.

Question 12

United Airlines Flights to Washington, D.C. Dulles Intl Airport

Accepted Answer

55 United Airlines flights head to Washington, D.C. Dulles Intl Airport on average each week. Most will be flying from Houston George Bush Intcntl to Washington, D.C. Dulles Intl Airport, the most popular route that United Airlines operates to Washington, D.C. Dulles Intl Airport. Prices vary based on when and where you fly from - the cheapest United Airlines flight to Washington, D.C. Dulles Intl Airport found in the past 3 days on momondo was €462, departing from Dublin. United Airlines is the most popular choice on momondo for this route and has been scored 7.4/10 by 8,934 of our users.

Question 13

Aer Lingus Flights to Washington, D.C. Dulles Intl Airport

Accepted Answer

Aer Lingus flight deals to Washington, D.C. Dulles Intl Airport start from €335 - this is the best price found recently on momondo, and was a return journey departing from Dublin. Over any normal week, Aer Lingus flight prices are typically higher, but vary depending on where you fly from - Dublin is the most popular Aer Lingus departure point to Washington, D.C. Dulles Intl Airport so generally has the most availability. Aer Lingus is scored a 7.1/10 in 1,228 reviews.

Question 14

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

Accepted Answer

There are a total of 3 airlines that operate flight routes to Washington, D.C. Dulles Intl Airport, with Aer Lingus being the most popular option. An estimated 64% of those flying into Washington, D.C. Dulles Intl Airport choose to fly with Aer Lingus. If you’re unable to find tickets with Aer Lingus, then United Airlines and Icelandair are also popular airlines to fly with.

Question 15

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

Accepted Answer

Prices for flights to Washington, D.C. Dulles Intl Airport were last updated today.

Question 16

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

Accepted Answer

The number of operators available for flights to Washington, D.C. Dulles Intl Airport is 6 as of August 2025.

Question 17

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

Question 18

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.

Question 19

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

Accepted Answer

There are 2 cabin classes available to choose from on Ireland 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 20

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

Accepted Answer

92 flights are operational weekly from Ireland to Washington, D.C. Dulles Intl Airport as of August 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

Question 21

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

Accepted Answer

TAP AIR PORTUGAL and Scandinavian Airlines are the most popular carriers operating from Ireland to Washington, D.C. Dulles Intl

Question 22

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 Ireland 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 €513 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 Ireland for as low as €407 on momondo.

Question 23

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 Ireland to Washington, D.C. Dulles Intl Airport in the afternoon for as low as €517. 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 €694. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 24

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

Accepted Answer

The month of February is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ireland, with most prices found around €408. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. Dulles Intl Airport from Ireland during January instead. Flights to Washington, D.C. Dulles Intl Airport in January, while not as cheap as those in February, still average around €432.

Question 25

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

Accepted Answer

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

Question 26

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The average flight duration from Ireland to Washington, D.C. Dulles Intl Airport depends on which airport you fly into and out of. Flying from Dublin to Washington, D.C. Dulles Intl is 7h 55m on average, while flying from Cork to Washington, D.C. Dulles Intl is 25h 20m on average. Washington, D.C. Dulles Intl is the most popular airport in Washington, D.C. Dulles Intl Airport.

Question 27

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 Ireland. The lowest ticket price found for a Thursday departure recently was €638. 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 €795.

Question 28

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

Accepted Answer

The number of flights available between Ireland and Washington, D.C. Dulles Intl Airport is 13 per day as of August 2025. The most frequent departure time is 12:00, with 84% of daily flights leaving in the afternoon.

Question 29

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 Ireland according to our data. Aer Lingus is the first choice among our users, with 64% 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.

CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLIN	February	21% cheaper	Flying from Dublin to Washington, D.C. Dulles Intl Airport costs on average just €408 in February
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLIN	August	34% more expensive	It costs about €688 for flights to Washington, D.C. Dulles Intl Airport from Dublin in August
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLIN	August	258% more users visited	More momondo users searched in flights to Washington, D.C. Dulles Intl Airport from Dublin in August than any other month

Best One-Way Price	€291
Best Round-Trip Price	€318
Fastest flight time	14h 50m
Popular in	August

€291 Cheap flights to Washington, D.C. Dulles Intl Airport

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Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.

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

There are 2 cabin classes available to choose from on Ireland 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.

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

What is the cheapest month to fly 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 Ireland to Washington, D.C. Dulles Intl flight route?

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

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

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

TAP AIR PORTUGAL and Scandinavian Airlines are the most popular carriers operating from Ireland to Washington, D.C. Dulles Intl

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

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

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

The number of flights available between Ireland and Washington, D.C. Dulles Intl Airport is 13 per day as of August 2025. The most frequent departure time is 12:00, with 84% of daily flights leaving in the afternoon.

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

92 flights are operational weekly from Ireland to Washington, D.C. Dulles Intl Airport as of August 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

Cheapest flights to Washington, D.C. Dulles Intl

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Cheap Washington, D.C. Dulles Intl Airport flight deals and tips

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Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport

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

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

Is there an alternative airport near Washington, D.C. Dulles Intl Airport?

Is there a cheaper alternative to flying into Washington, D.C.?

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

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

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

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

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

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Why use momondo?

Why should I use momondo to find a flight deal to Washington, D.C.?

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights to Washington, D.C.?

I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?

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