Cheap flights from New York to Washington, D.C. Dulles Intl Airport from £48
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from New York to Washington, D.C. Dulles Intl are usually found in April or July, booked 38 days in advance, depart on a Tuesday or Sunday and return on a Tuesday
Cheap flight deals from New York to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from New York (NYC) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 September 2025.
Find flight deals from New York to Dulles Intl
Cheapest flights from New York to Dulles IntlExplore the most affordable flight options available from New York to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.
Explore the most affordable flight options available from New York to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from New York to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkWashington, D.C.
LGA - IAD
LGAIAD
New York LaGuardia
Tue 13/1
19:29-20:59
Nonstop1h 30m
Washington, D.C. Dulles Intl
Fri 16/1
22:20-23:43
Nonstop1h 23m
New YorkWashington, D.C.
LGA - IAD
LGAIAD
New York LaGuardia
Thu 30/10
06:00-07:27
Nonstop1h 27m
Washington, D.C. Dulles Intl
Tue 4/11
08:19-09:44
Nonstop1h 25m
New YorkWashington, D.C.
LGA - IAD
LGAIAD
New York LaGuardia
Tue 14/10
06:00-07:32
Nonstop1h 32m
Washington, D.C. Dulles Intl
Tue 21/10
08:21-09:43
Nonstop1h 22m
New YorkWashington, D.C.
LGA - IAD
LGAIAD
New York LaGuardia
Sat 18/10
06:00-07:32
Nonstop1h 32m
Washington, D.C. Dulles Intl
Mon 20/10
22:20-23:43
Nonstop1h 23m
New YorkWashington, D.C.
LGA - IAD
LGAIAD
New York LaGuardia
Sat 28/2
19:29-20:57
Nonstop1h 28m
Washington, D.C. Dulles Intl
Sat 7/3
17:10-18:27
Nonstop1h 17m
New YorkWashington, D.C.
LGA - IAD
LGAIAD
New York LaGuardia
Sat 1/11
06:00-07:27
Nonstop1h 27m
Washington, D.C. Dulles Intl
Sun 2/11
08:19-09:44
Nonstop1h 25m
NewarkWashington, D.C.
EWR - IAD
EWRIAD
Newark
Tue 14/10
19:42-21:11
Nonstop1h 29m
Washington, D.C. Dulles Intl
Tue 21/10
08:30-09:50
Nonstop1h 20m
NewarkWashington, D.C.
EWR - IAD
EWRIAD
Newark
Fri 17/10
21:05-22:33
Nonstop1h 28m
Washington, D.C. Dulles Intl
Sun 19/10
06:15-07:27
Nonstop1h 12m
NewarkWashington, D.C.
EWR - IAD
EWRIAD
Newark
Wed 15/10
21:00-22:28
Nonstop1h 28m
Washington, D.C. Dulles Intl
Thu 16/10
08:30-09:50
Nonstop1h 20m
NewarkWashington, D.C.
EWR - IAD
EWRIAD
Newark
Sat 28/2
06:00-07:19
Nonstop1h 19m
Washington, D.C. Dulles Intl
Sat 7/3
08:15-09:46
Nonstop1h 31m
Best time to book a flight from New York to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from New York with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from New York to Washington, D.C. Dulles Intl Airport
How far ahead should I book a flight from New York to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a return flight from New York to Dulles Intl. Price data was last updated on 12 September 2025.
Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from New York to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from New York to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from New York to Washington, D.C. Dulles Intl Airport (average of £599). Flying from New York to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from NYC to IAD?
Find hourly flight availability from New York to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.
It’s optimal to fly from New York to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight at midday.
Weekly flight availability from New York to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from New York to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 September 2025.
The most flights from NYC to IAD are scheduled on a Monday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).
Related info for your journey
Find useful and relevant information for your journey from New York to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Washington, D.C. Dulles Intl Airport?
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How does Cheapflights help users find flights from New York to Dulles Intl?
Deals for New York to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from New York to Dulles Intl?
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Can Cheapflights find flights from New York to Dulles Intl with no change fees?
Need flexible booking options for your flight to Dulles Intl from New York? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from New York to Dulles Intl become cheaper?
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