$278 Cheap Flights from Casper (CPR) to Eugene (EUG)

View $278 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from Casper to Eugene (CPR-EUG)

Prices were available within the past 7 days and start at $278 for one-way flights and $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 10 - Sat, Mar 14
CPR
Casper
EUG
Eugene
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 10 from Casper to Eugene, returning Sat, Mar 14, priced at $258 found 1 day ago
United
Tue, Mar 10 - Sat, Mar 14
CPR
Casper
EUG
Eugene
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 10 from Casper to Eugene, returning Sat, Mar 14, priced at $264 found 1 day ago
United
Tue, Mar 10 - Sat, Mar 14
CPR
Casper
EUG
Eugene
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 10 from Casper to Eugene, returning Sat, Mar 14, priced at $269 found 1 day ago
United
Tue, Mar 10 - Sat, Mar 14
CPR
Casper
EUG
Eugene
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 10 from Casper to Eugene, returning Sat, Mar 14, priced at $275 found 1 day ago
United
Tue, Mar 10 - Sat, Mar 14
CPR
Casper
EUG
Eugene
$280 Roundtrip, found 1 day ago
$280
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 10 from Casper to Eugene, returning Sat, Mar 14, priced at $280 found 1 day ago
United
Thu, Jan 22 - Thu, Jan 29
CPR
Casper
EUG
Eugene
$298 Roundtrip, found 5 days ago
$298
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 22 from Casper to Eugene, returning Thu, Jan 29, priced at $298 found 5 days ago
United
Thu, Jan 22 - Thu, Jan 29
CPR
Casper
EUG
Eugene
$304 Roundtrip, found 5 days ago
$304
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 22 from Casper to Eugene, returning Thu, Jan 29, priced at $304 found 5 days ago
United
Fri, Feb 13 - Sun, Feb 15
CPR
Casper
EUG
Eugene
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 13 from Casper to Eugene, returning Sun, Feb 15, priced at $314 found 3 days ago
United
Mon, Feb 9 - Mon, Feb 16
CPR
Casper
EUG
Eugene
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
Select United flight, departing Mon, Feb 9 from Casper to Eugene, returning Mon, Feb 16, priced at $319 found 6 days ago
United
Wed, Apr 15 - Sat, Apr 18
CPR
Casper
EUG
Eugene
$326 Roundtrip, found 4 days ago
$326
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 15 from Casper to Eugene, returning Sat, Apr 18, priced at $326 found 4 days ago

Frequently asked questions

How much does a flight from Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG) cost?
Snag a cheap one-way flight from $278 or cheap return flight from $258 from Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG) 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 Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG)?
Planning your getaway for March may help you find better deals, as it's the cheapest month for flights between CPR and EUG. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CPR to EUG flight.
How many flights per day from Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG)?
There are no daily nonstop flights departing from Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from CPR to EUG?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG)?
To touch down at Mahlon Sweet Field Airport (EUG) without delays, pick a flight that leaves from Natrona County Intl. Airport (CPR) 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 Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG) last-minute?
Booking your plane ticket from CPR to EUG shortly before your getaway is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a CPR to EUG flight and hotel package?
Opting for a CPR to EUG flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Natrona County Intl. Airport (CPR) to Mahlon Sweet Field Airport (EUG)?
In most cases, you're able to cancel or reschedule your CPR to EUG flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, head to our Customer Service portal.

Travel information

Origin airport
Natrona County Intl.
Destination airport
Eugene
Airlines serving
United
Roundtrip price
$258
Distance
841 mi

Book with confidence

Casper to Eugene Flights

The cheapest times to fly from Casper 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 Casper to Eugene are during the month of March. You can find some of the cheapest flights from Casper to Eugene with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Casper to Eugene

Sunday is one of the best days to book for cheap flights from Casper 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 Casper 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 Casper to Eugene in 2026. You can also book with separate airlines for your outbound and return journeys, from $278 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 Casper 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 Casper 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.

 

Casper to Eugene Flights

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