
Popular airlines from Billings Logan Intl. Airport (BIL) to Casper, WY (CPR-Natrona County Intl.)
- United
United
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Cheap Flights from Billings to Casper (BIL-CPR)
Prices were available within the past 7 days and start at for one-way flights and $467 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.




















Origin airport | Logan Intl. |
Destination airport | Natrona County Intl. |
Airlines serving | United |
Roundtrip price | $466 |
Distance | 225 mi |
Billings to Casper Flights
The cheapest times to fly from Billings to Casper
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 Billings to Casper are during the month of August. You can find some of the cheapest flights from Billings to Casper with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Billings to Casper
Sunday is one of the best days to book for cheap flights from Billings to Casper: 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 Billings to Casper
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 Billings to Casper in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Billings to Casper 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 Billings to Casper 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.
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Top Routes from Billings
- Billings to Chicago (BIL - ORD)
- Billings to Phoenix (BIL - PHX)
- Billings to San Diego (BIL - SAN)
- Billings to Los Angeles (BIL - LAX)
- Billings to Miami (BIL - MIA)
- Billings to Tampa (BIL - TPA)
- Billings to Portland (BIL - PDX)
- Billings to Honolulu (BIL - HNL)
- Billings to Orange County (BIL - SNA)
- Billings to Boston (BIL - BOS)
- Billings to Minneapolis (BIL - MSP)
- Billings to Denver (BIL - DEN)
Top Routes to Casper
- Jacksonville to Casper (JAX - CPR)
- Chicago to Casper (ORD - CPR)
- Phoenix to Casper (PHX - CPR)
- Los Angeles to Casper (LAX - CPR)
- Raleigh to Casper (RDU - CPR)
- Birmingham to Casper (BHM - CPR)
- Milwaukee to Casper (MKE - CPR)
- Spokane to Casper (GEG - CPR)
- Salt Lake City to Casper (SLC - CPR)
- Denver to Casper (DEN - CPR)
- Sacramento to Casper (SMF - CPR)
- Seattle to Casper (SEA - CPR)
Top Routes from Billings
- Alaska Airlines Billings to Chicago
- Alaska Airlines Billings to Phoenix
- Alaska Airlines Billings to San Diego
- American Airlines Billings to Tampa
- Alaska Airlines Billings to Portland
- Alaska Airlines Billings to Honolulu
- Alaska Airlines Billings to Orange County
- United Billings to Minneapolis
- Delta Billings to Denver
- Alaska Airlines Billings to Sacramento
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Nearby Airports
- Yellowstone Regional Airport (COD)
- Lewistown Municipal Airport (LWT)
- Sheridan County Airport (SHR)
- Bozeman Yellowstone Intl. Airport (BZN)
- Worland Municipal Airport (WRL)
- Miles City Municipal Airport (MLS)
- Yellowstone Airport (WYS)
- Helena Regional Airport (HLN)
- Great Falls Intl. Airport (GTF)
- Campbell County Airport (GCC)
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