$326 Cheap Flights from Boston (BOS) to Casper (CPR)

View $326 flight on Sat, Nov 15, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Casper, WY (CPR-Natrona County Intl.)

Cheap Flights from Boston to Casper (BOS-CPR)

Prices were available within the past 7 days and start at $326 for one-way flights and $303 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$303 Roundtrip, found 12 hours ago
$303
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $303 found 12 hours ago
United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$323 Roundtrip, found 12 hours ago
$323
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $323 found 12 hours ago
United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$324 Roundtrip, found 12 hours ago
$324
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $324 found 12 hours ago
United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$365 Roundtrip, found 12 hours ago
$365
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $365 found 12 hours ago
United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$368 Roundtrip, found 12 hours ago
$368
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $368 found 12 hours ago
United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$375 Roundtrip, found 12 hours ago
$375
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $375 found 12 hours ago
United
Sun, Nov 23 - Wed, Dec 3
BOS
Boston
CPR
Casper
$379 Roundtrip, found 17 hours ago
$379
Roundtrip
found 17 hours ago
Select United flight, departing Sun, Nov 23 from Boston to Casper, returning Wed, Dec 3, priced at $379 found 17 hours ago
United
Thu, Oct 16 - Tue, Oct 21
BOS
Boston
CPR
Casper
$380 Roundtrip, found 12 hours ago
$380
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Oct 16 from Boston to Casper, returning Tue, Oct 21, priced at $380 found 12 hours ago
United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$384 Roundtrip, found 12 hours ago
$384
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $384 found 12 hours ago
United
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CPR
Casper
$385 Roundtrip, found 12 hours ago
$385
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 24 from Boston to Casper, returning Mon, Oct 27, priced at $385 found 12 hours ago

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR) cost?
Get a cheap one-way flight from $326 or cheap return flight from $303 from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR) 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 Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR)?
The cheapest month to fly from BOS to CPR is October, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR)?
To find the cheapest airline that'll fly you from BOS to CPR, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR)?
There aren't any daily direct flights from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from BOS to CPR?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR)?
Opt for a flight from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be 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 Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR) last-minute?
Booking your ticket from BOS to CPR just before your getaway is typically more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a BOS to CPR flight and hotel package?
You can save money by securing a BOS to CPR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Natrona County Intl. Airport (CPR)?
If you booked your BOS to CPR flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$303
Distance
1788 mi

Book with confidence

Book with confidence

Boston to Casper Flights

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

 

The best time to book a flight from Boston to Casper

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Casper 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 Boston 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 Boston 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.

 

Boston to Casper Flights

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*Available to One Key members.