$326 Cheap Flights from Boise (BOI) to Cheyenne (CYS)

View $326 flight on Mon, Aug 18, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Cheyenne, WY (CYS-Cheyenne Regional)

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Cheap Flights from Boise to Cheyenne (BOI-CYS)

Prices were available within the past 7 days and start at $326 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 3 - Tue, Sep 9
BOI
Boise
CYS
Cheyenne
$248 Roundtrip, found 23 hours ago
$248
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Sep 3 from Boise to Cheyenne, returning Tue, Sep 9, priced at $248 found 23 hours ago
United
Tue, Sep 16 - Sat, Sep 20
BOI
Boise
CYS
Cheyenne
$251 Roundtrip, just found
$251
Roundtrip
just found
Select United flight, departing Tue, Sep 16 from Boise to Cheyenne, returning Sat, Sep 20, priced at $251 just found
United
Tue, Aug 26 - Wed, Sep 3
BOI
Boise
CYS
Cheyenne
$252 Roundtrip, found 5 days ago
$252
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 26 from Boise to Cheyenne, returning Wed, Sep 3, priced at $252 found 5 days ago
United
Sat, Sep 20 - Mon, Sep 22
BOI
Boise
CYS
Cheyenne
$254 Roundtrip, just found
$254
Roundtrip
just found
Select United flight, departing Sat, Sep 20 from Boise to Cheyenne, returning Mon, Sep 22, priced at $254 just found
United
Sat, Sep 20 - Sun, Sep 21
BOI
Boise
CYS
Cheyenne
$255 Roundtrip, just found
$255
Roundtrip
just found
Select United flight, departing Sat, Sep 20 from Boise to Cheyenne, returning Sun, Sep 21, priced at $255 just found
United
Fri, Sep 5 - Tue, Sep 9
BOI
Boise
CYS
Cheyenne
$262 Roundtrip, found 23 hours ago
$262
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Sep 5 from Boise to Cheyenne, returning Tue, Sep 9, priced at $262 found 23 hours ago
United
Thu, Sep 4 - Sun, Sep 7
BOI
Boise
CYS
Cheyenne
$265 Roundtrip, found 23 hours ago
$265
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Sep 4 from Boise to Cheyenne, returning Sun, Sep 7, priced at $265 found 23 hours ago
United
Mon, Aug 25 - Wed, Sep 3
BOI
Boise
CYS
Cheyenne
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select United flight, departing Mon, Aug 25 from Boise to Cheyenne, returning Wed, Sep 3, priced at $269 found 5 days ago
United
Thu, Sep 4 - Sat, Sep 13
BOI
Boise
CYS
Cheyenne
$274 Roundtrip, found 4 days ago
$274
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 4 from Boise to Cheyenne, returning Sat, Sep 13, priced at $274 found 4 days ago
United
Fri, Sep 5 - Sun, Sep 7
BOI
Boise
CYS
Cheyenne
$276 Roundtrip, found 23 hours ago
$276
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Sep 5 from Boise to Cheyenne, returning Sun, Sep 7, priced at $276 found 23 hours ago

Alternative airports near Cheyenne

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cheyenne Regional CYS. Cheapest and Closest option available. Average driving time to city center is 2 minutes. Flights from $248
CYS
Cheyenne Regional
CheapestClosest
Average driving time to city center2 min
Flights from $248
Flights from Boise (BOI) to Cheyenne (CYS)
Origin airport
Boise
Destination airport
Cheyenne Regional
Airlines serving
United
Roundtrip price
$248
Distance
604 mi

Boise to Cheyenne Flights

The cheapest times to fly from Boise to Cheyenne

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

 

The best time to book a flight from Boise to Cheyenne

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

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 Cheyenne in 2025. You can also book with separate airlines for your outbound and return journeys, from $326 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 Cheyenne 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 Cheyenne 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 Cheyenne Regional Airport (CYS) cost?
Lock in a cheap one-way flight from $326 or cheap return flight from $248 from Boise Airport (BOI) to Cheyenne Regional Airport (CYS) 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 Cheyenne Regional Airport (CYS)?
Planning your getaway for September can help you save, as it's the cheapest month for flights between BOI and CYS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Boise Airport (BOI) to Cheyenne Regional Airport (CYS)?
To find the cheapest airline flying from BOI to CYS, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Boise Airport (BOI) to Cheyenne Regional Airport (CYS)?
You'll need to take a flight with a layover if you're traveling from Boise Airport (BOI) to Cheyenne Regional Airport (CYS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from BOI to CYS?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Cheyenne Regional Airport (CYS)?
To avoid potential delays on the Boise Airport (BOI) to Cheyenne Regional Airport (CYS) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Cheyenne Regional Airport (CYS) last-minute?
Booking your plane ticket from BOI to CYS just before your journey is generally more expensive. But if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a BOI to CYS flight and hotel package?
Booking a BOI to CYS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Cheyenne Regional Airport (CYS)?
In most instances, you can modify or cancel your BOI to CYS flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.