$502 Cheap Flights from Cheyenne (CYS) to Eugene (EUG)

View $502 flight on Sat, Dec 20, 2025Opens in a new window

Popular airlines from Cheyenne, WY (CYS-Cheyenne Regional) to Mahlon Sweet Field Airport (EUG)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Cheyenne to Eugene (CYS-EUG)

Prices were available within the past 7 days and start at $502 for one-way flights and $278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 6 - Tue, Dec 9
CYS
Cheyenne
EUG
Eugene
$278 Roundtrip, found 22 hours ago
$278
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Dec 6 from Cheyenne to Eugene, returning Tue, Dec 9, priced at $278 found 22 hours ago
United
Sat, Dec 6 - Mon, Dec 8
CYS
Cheyenne
EUG
Eugene
$298 Roundtrip, found 22 hours ago
$298
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Dec 6 from Cheyenne to Eugene, returning Mon, Dec 8, priced at $298 found 22 hours ago
United
Mon, Dec 8 - Tue, Dec 9
CYS
Cheyenne
EUG
Eugene
$307 Roundtrip, found 22 hours ago
$307
Roundtrip
found 22 hours ago
Select United flight, departing Mon, Dec 8 from Cheyenne to Eugene, returning Tue, Dec 9, priced at $307 found 22 hours ago
United
Thu, Dec 18 - Wed, Dec 24
CYS
Cheyenne
EUG
Eugene
$313 Roundtrip, found 6 days ago
$313
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 18 from Cheyenne to Eugene, returning Wed, Dec 24, priced at $313 found 6 days ago
United
Thu, Dec 4 - Mon, Dec 8
CYS
Cheyenne
EUG
Eugene
$324 Roundtrip, found 22 hours ago
$324
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Dec 4 from Cheyenne to Eugene, returning Mon, Dec 8, priced at $324 found 22 hours ago
United
Thu, Dec 4 - Sat, Dec 6
CYS
Cheyenne
EUG
Eugene
$341 Roundtrip, found 18 hours ago
$341
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Dec 4 from Cheyenne to Eugene, returning Sat, Dec 6, priced at $341 found 18 hours ago
United
Mon, Dec 22 - Wed, Dec 24
CYS
Cheyenne
EUG
Eugene
$357 Roundtrip, found 6 days ago
$357
Roundtrip
found 6 days ago
Select United flight, departing Mon, Dec 22 from Cheyenne to Eugene, returning Wed, Dec 24, priced at $357 found 6 days ago
United
Fri, Dec 5 - Mon, Dec 8
CYS
Cheyenne
EUG
Eugene
$369 Roundtrip, found 22 hours ago
$369
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Dec 5 from Cheyenne to Eugene, returning Mon, Dec 8, priced at $369 found 22 hours ago
United
Sat, Dec 6 - Mon, Dec 15
CYS
Cheyenne
EUG
Eugene
$377 Roundtrip, found 22 hours ago
$377
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Dec 6 from Cheyenne to Eugene, returning Mon, Dec 15, priced at $377 found 22 hours ago
United
Fri, Dec 5 - Mon, Dec 8
CYS
Cheyenne
EUG
Eugene
$388 Roundtrip, found 22 hours ago
$388
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Dec 5 from Cheyenne to Eugene, returning Mon, Dec 8, priced at $388 found 22 hours ago
United
Mon, Dec 8 - Mon, Dec 15
CYS
Cheyenne
EUG
Eugene
$397 Roundtrip, found 22 hours ago
$397
Roundtrip
found 22 hours ago
Select United flight, departing Mon, Dec 8 from Cheyenne to Eugene, returning Mon, Dec 15, priced at $397 found 22 hours ago
United
Thu, Dec 4 - Mon, Dec 15
CYS
Cheyenne
EUG
Eugene
$403 Roundtrip, found 22 hours ago
$403
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Dec 4 from Cheyenne to Eugene, returning Mon, Dec 15, priced at $403 found 22 hours ago
United
Mon, Dec 22 - Thu, Dec 25
CYS
Cheyenne
EUG
Eugene
$404 Roundtrip, found 6 days ago
$404
Roundtrip
found 6 days ago
Select United flight, departing Mon, Dec 22 from Cheyenne to Eugene, returning Thu, Dec 25, priced at $404 found 6 days ago
Flights from Cheyenne (CYS) to Eugene (EUG)
Origin airport
Cheyenne Regional
Destination airport
Eugene
Airlines serving
United
Roundtrip price
$278
Distance
954 mi

Cheyenne to Eugene Flights

The cheapest times to fly from Cheyenne to Eugene

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

 

The best time to book a flight from Cheyenne to Eugene

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

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 Cheyenne to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $502 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 Cheyenne to Eugene 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 Cheyenne to Eugene 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 Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG) cost?
Snag a cheap one-way flight from $502 or cheap return flight from $278 from Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG)?
The cheapest month to fly from CYS to EUG is December, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CYS to EUG flight.
How many flights per day from Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG)?
You'll need to book a flight with a layover if you're traveling from Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG). There are no daily direct flights 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 CYS to EUG?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG)?
To land at Mahlon Sweet Field Airport (EUG) on time, pick a flight that takes off from Cheyenne Regional Airport (CYS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG) last-minute?
Booking your flight from CYS to EUG shortly before your trip is usually more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a CYS to EUG flight and hotel package?
You can save money by booking a CYS to EUG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Cheyenne Regional Airport (CYS) to Mahlon Sweet Field Airport (EUG)?
In most instances, you can cancel or reschedule your CYS to EUG flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more details, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.