$255 Cheap Flights from Hays (HYS) to Washington (IAD)

View $255 flight on Tue, Dec 16, 2025Opens in a new window

Popular airlines from Hays, KS (HYS-Hays Regional) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Hays to Washington (HYS-IAD)

Prices were available within the past 7 days and start at $255 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Hays (HYS) to Washington (IAD)
Origin airport
Hays Regional
Destination airport
Washington Dulles Intl.
Distance
1170 mi

Hays to Washington Flights

The cheapest times to fly from Hays to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hays to Washington are during the month of . You can find some of the cheapest flights from Hays to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hays to Washington

Sunday is one of the best days to book for cheap flights from Hays to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hays to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hays to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $255 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hays to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hays to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $255 or cheap return flight from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD)?
is the most affordable month to fly from HYS to IAD. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from HYS to IAD. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD)?
You'll need to book a flight with a layover if you're traveling from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from HYS to IAD?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD)?
Book a flight from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from HYS to IAD right before your trip is generally more expensive. However, if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a HYS to IAD flight and hotel package?
You'll typically save money by booking a HYS to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Hays Regional Airport (HYS) to Washington Dulles Intl. Airport (IAD)?
Typically, you're able to reschedule or cancel your HYS to IAD flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.