€274 Cheap flights to Washington, D.C. Dulles Intl Airport
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. Dulles Intl Airport departing on 3/10. 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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Flights to Washington, D.C. Dulles Intl Airport – Travel Insights & Trends
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 1 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?
According to our data, Monday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ireland. The lowest ticket price found for a Monday departure recently was €617. 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 €718.
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
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 €393. 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 €429.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
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 €513. 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 €682. Of course, these prices can vary depending on the time of year and what airport you fly to.
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?
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 €492 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 €382 on momondo.
What is the cheapest airline that flies from Ireland to Washington, D.C. Dulles Intl?
Icelandair, 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?
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 61% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 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.
How long does it take to fly to Washington, D.C. Dulles Intl Airport?
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 14h 35m on average. Washington, D.C. Dulles Intl is the most popular airport in 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 July 2025. The most frequent departure time is 12:00, with 84% of daily flights leaving in the afternoon.
Cheapest flights to Washington, D.C. Dulles Intl
Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport
| 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 €393 in February |
| MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLIN | July | 25% more expensive | It costs about €617 for flights to Washington, D.C. Dulles Intl Airport from Dublin in July |
| MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM DUBLIN | September | 250% more users visited | More momondo users searched in flights to Washington, D.C. Dulles Intl Airport from Dublin in September than any other month |
Cheap Washington, D.C. Dulles Intl Airport flight deals and tips
Summary info about Washington, D.C. Dulles Intl Airport flight prices, duration and airlines
Best One-Way Price | €274 |
|---|---|
Best Round-Trip Price | €320 |
Fastest flight time | 11h 50m |
Popular in | July |
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?
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.
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
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.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
From most locations, the cheapest day to fly to Washington, D.C. Dulles Intl Airport is Monday. Most users found that departing on a Sunday was most expensive.
What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?
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.
Is there an alternative airport near Washington, D.C. Dulles Intl Airport?
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.
Is there a cheaper alternative to flying into Washington, D.C.?
The cheapest airport near Washington, D.C. is typically Baltimore/Washington Airport, with an average price of €212/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.
Which airlines fly to Washington, D.C. Dulles Intl Airport?
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 68% 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.
When did momondo last update prices for flights to Washington, D.C. Dulles Intl Airport?
Prices for flights to Washington, D.C. Dulles Intl Airport were last updated today.
How many operators does momondo search for flights to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights to Washington, D.C. Dulles Intl Airport is 6 as of July 2025.
How old do you have to be to fly to Washington, D.C. Dulles Intl Airport?
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.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
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.
Travelling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Washington, D.C.?
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..
Can I find flights to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for flights to Washington, D.C. to just show those with flexible booking policies.
How can momondo help me find flights to Washington, D.C.?
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..
I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?
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.