Question 1

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

Accepted Answer

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Washington, D.C.. Millions of users trust and use momondo every year so you are in good company.

Question 2

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

Accepted Answer

Flights to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

Question 3

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

Accepted Answer

Once you have performed a search for flights to Washington, D.C., momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. and alert you when they change.

Question 5

When is it best to fly to Washington, D.C. to go sightseeing?

Accepted Answer

The city of Washington, D.C. has many sights to see while visiting. Many tourists find it ideal to go sightseeing when the weather is warmer, but not blistering. Consider booking your flight to Washington, D.C. for May, when temperatures are a bit higher and the chance of rain is relatively low. Many travellers find it worthwhile to visit White House.

Question 6

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

Accepted Answer

Most flyers found that booking tickets 78 days in advance of their planned departure date is the best time to get cheap flights to Washington, D.C.. During this timeframe, flight prices are around €490. In the past 72 hours, momondo users found flights from Ireland to Washington, D.C. for as low as €335.

Question 7

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

Accepted Answer

Finding an alternative and possibly cheaper destination airport near Washington, D.C. is possible. If you are planning a flight to Washington, D.C., consider booking flights to 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).

Question 8

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

Accepted Answer

You can find deals at Washington, D.C. Reagan-National Airport for €218 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Question 9

Are there flights to Dupont Circle?

Accepted Answer

Yes, flights to Dupont Circle are served by Washington, D.C.’s Washington, D.C. Reagan-National airport which is 6.4 km away.

Question 10

What’s the closest airport to White House?

Accepted Answer

The closest airport to White House is 5.0 km away - Washington, D.C.’s Washington, D.C. Reagan-National airport.

Question 11

Which airlines fly to Washington, D.C.?

Accepted Answer

Aer Lingus is the airline most momondo users in Ireland opt for when booking flights to Washington, D.C.. United Airlines is also popular choice when flying to Washington, D.C. from Ireland. Most major airlines flying from Ireland to Washington, D.C. will offer flights on a regular basis, though your options may vary depending on what airport you fly from.

Question 12

Aer Lingus Flights to Washington, D.C.

Accepted Answer

The most popular airline for flights to Washington, D.C. on momondo is Aer Lingus, which operates 14 flights in this direction every week. Most depart out of London Heathrow, with the best deal for Aer Lingus flights to Washington, D.C. being €309 (return, Dublin to Washington, D.C., momondo searches within the last 72 hours). In 1,444 Aer Lingus reviews, it is rated 7.2 by momondo users.

Question 13

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

Accepted Answer

Prices for flights to Washington, D.C. are refreshed on a daily basis.

Question 14

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

Accepted Answer

As of February 2026, there are 5 operators available to choose from for flights to Washington, D.C..

Question 15

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

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..

Question 16

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

Accepted Answer

The travel and health documents required for your trip to Washington, D.C. 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.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Question 17

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

Accepted Answer

The flight from Ireland to Washington, D.C. depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to Washington, D.C. Dulles Intl (the most popular airport in Washington, D.C.), then the flight time is 8h on average. If you fly from Cork (another popular airport in Ireland) to Washington, D.C. Dulles Intl, then the average flight time is 15h 05m.

Question 18

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

Accepted Answer

The cheapest day to depart from Ireland 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 €644. 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 €794.

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 Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around €517 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 Ireland for as low as €424 on momondo.

Question 20

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

Accepted Answer

The cheapest month to fly to Washington, D.C. from Ireland is in September. Flight prices, which tend to average around €432, 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 Ireland during October instead. Flights to Washington, D.C. in October, while not as cheap as those in September, still average around €438.

Question 21

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

Accepted Answer

Flying to Washington, D.C. from Ireland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €516 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 €698 on average. Flights to Washington, D.C. from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	September	12% cheaper	Flying from Dublin to Washington, D.C. costs on average just €432 in September
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	August	35% more expensive	It costs about €664 for flights to Washington, D.C. from Dublin in August
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM DUBLIN	July	404% more users visited	More momondo users searched in flights to Washington, D.C. from Dublin in July than any other month

Best One-Way Price	€215
Best Round-Trip Price	€345
Fastest flight time	12h 47m
Popular in	August

€215 Cheap flights to Washington, D.C.

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. departing on 5/3. 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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Frequently asked questions about flying to Washington, D.C.

When is it best to fly to Washington, D.C. to go sightseeing?

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

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

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

Are there flights to Dupont Circle?

What’s the closest airport to White House?

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

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

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

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

Travelling to a place near Washington, D.C.?

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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