$173 Cheap Flights from Boise (BOI) to Hays (HYS)

View $173 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Hays, KS (HYS-Hays Regional)

Cheap Flights from Boise to Hays (BOI-HYS)

Prices were available within the past 7 days and start at $173 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Boise (BOI) to Hays (HYS)
Origin airport
Boise
Destination airport
Hays Regional
Distance
936 mi

Boise to Hays Flights

The cheapest times to fly from Boise to Hays

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 Boise to Hays are during the month of . You can find some of the cheapest flights from Boise to Hays with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Hays

Sunday is one of the best days to book for cheap flights from Boise to Hays: 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 Boise to Hays

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 Boise to Hays in 2025. You can also book with separate airlines for your outbound and return journeys, from $173 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 Boise to Hays 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 Boise to Hays 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 Boise Airport (BOI) to Hays Regional Airport (HYS) cost?
Secure a cheap one-way flight from $173 or cheap return flight from Boise Airport (BOI) to Hays Regional Airport (HYS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Hays Regional Airport (HYS)?
Flying in may help you find better deals, as it's the cheapest month for flights between BOI and HYS. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Boise Airport (BOI) to Hays Regional Airport (HYS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from BOI to HYS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Boise Airport (BOI) to Hays Regional Airport (HYS)?
Direct flights from Boise Airport (BOI) to Hays Regional Airport (HYS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOI to HYS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Hays Regional Airport (HYS)?
To land at Hays Regional Airport (HYS) on schedule, choose a flight that takes off from Boise Airport (BOI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Boise Airport (BOI) to Hays Regional Airport (HYS) last-minute?
Waiting until just before your departure to book your flight from BOI to HYS often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book a BOI to HYS flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOI to HYS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Hays Regional Airport (HYS)?
Typically, you can reschedule or cancel your BOI to HYS flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.