£258 Cheap Flights from White Plains (HPN) to Washington (IAD)

View £258 flight on Mon, 5 May 2025Opens in a new window

Popular airlines from Westchester County Airport (HPN) to Washington Dulles International Airport (IAD)

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Cheap Flights from White Plains (HPN) to Washington (IAD)

Prices were available within the past 7 days and start at £258 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from White Plains to Washington route information
Origin airport
Westchester County
Destination airport
Washington Dulles Intl.
Distance
393 km

Compare flights from White Plains to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from White Plains to Washington. Operating between them flights per day, 14 airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Westchester County to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Westchester County (HPN) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from White Plains to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Westchester County to Washington Dulles Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near White Plains and Washington
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your White Plains to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Westchester County to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from HPN to Dulles Intl. Airport?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights between HPN and IAD start from . Book now to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from White Plains Airport to IAD?
We understand that things crop up unexpectedly, so we’ve made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from HPN to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for HPN to Washington Dulles Intl. Airport (IAD) flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from HPN to Dulles Intl. Airport?
The flight time from HPN to Dulles Intl. Airport is about 3 hours and 52 minutes. Put your earphones in, listen to a gripping podcast and the hours will fly by.
How far is the flight from HPN to IAD?
You might not get through a whole movie on this flight — it’s just 400 kilometres from West Harrison to Chantilly. Find your seat, get comfortable and you’ll be there in next to no time.
Which airlines fly direct from HPN to Dulles Intl. Airport?
Direct flights aren’t available, so you’ll have to make at least one stop between Westchester County Airport (HPN) and Washington Dulles Intl. Airport (IAD). Use the layover time to stretch your legs and enjoy some personal space.
Are Westchester County Airport (HPN) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute flight deals between HPN and Washington Dulles Intl. Airport (IAD) are possible, it also makes sense to monitor prices well before you fly. In fact, some carriers announce their prices up to 12 months before the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking back and be ready to pounce when the fares dip.

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