Cheap Flights from Philipsburg (SXM) to Casper (CPR)

Popular airlines from Princess Juliana Intl. Airport (SXM) to Casper, WY (CPR-Natrona County Intl.)

Cheap Flights from Philipsburg to Casper (SXM-CPR)

Prices were available within the past 7 days and start at for one-way flights and $692 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 12 - Sun, Nov 16
SXM
Saint Martin
CPR
Casper
$692 Roundtrip, found 4 days ago
$692
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 12 from Saint Martin to Casper, returning Sun, Nov 16, priced at $692 found 4 days ago
United
Sat, Nov 8 - Wed, Nov 12
SXM
Saint Martin
CPR
Casper
$717 Roundtrip, found 4 days ago
$717
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 8 from Saint Martin to Casper, returning Wed, Nov 12, priced at $717 found 4 days ago
United
Sat, Nov 8 - Thu, Nov 13
SXM
Saint Martin
CPR
Casper
$718 Roundtrip, found 4 days ago
$718
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 8 from Saint Martin to Casper, returning Thu, Nov 13, priced at $718 found 4 days ago
United
Sat, Nov 8 - Fri, Nov 14
SXM
Saint Martin
CPR
Casper
$742 Roundtrip, found 4 days ago
$742
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 8 from Saint Martin to Casper, returning Fri, Nov 14, priced at $742 found 4 days ago
United
Wed, Nov 12 - Fri, Nov 14
SXM
Saint Martin
CPR
Casper
$783 Roundtrip, found 4 days ago
$783
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 12 from Saint Martin to Casper, returning Fri, Nov 14, priced at $783 found 4 days ago
United
Fri, Nov 7 - Wed, Nov 12
SXM
Saint Martin
CPR
Casper
$1,050 Roundtrip, found 4 days ago
$1,050
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 7 from Saint Martin to Casper, returning Wed, Nov 12, priced at $1,050 found 4 days ago
United
Fri, Nov 7 - Thu, Nov 13
SXM
Saint Martin
CPR
Casper
$1,052 Roundtrip, found 4 days ago
$1,052
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 7 from Saint Martin to Casper, returning Thu, Nov 13, priced at $1,052 found 4 days ago
United
Fri, Nov 7 - Fri, Nov 14
SXM
Saint Martin
CPR
Casper
$1,075 Roundtrip, found 4 days ago
$1,075
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 7 from Saint Martin to Casper, returning Fri, Nov 14, priced at $1,075 found 4 days ago
United
Tue, Nov 11 - Thu, Nov 13
SXM
Saint Martin
CPR
Casper
$1,083 Roundtrip, found 4 days ago
$1,083
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Saint Martin to Casper, returning Thu, Nov 13, priced at $1,083 found 4 days ago
United
Tue, Nov 11 - Fri, Nov 14
SXM
Saint Martin
CPR
Casper
$1,108 Roundtrip, found 4 days ago
$1,108
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Saint Martin to Casper, returning Fri, Nov 14, priced at $1,108 found 4 days ago
United
Thu, Nov 13 - Fri, Nov 14
SXM
Saint Martin
CPR
Casper
$1,348 Roundtrip, found 4 days ago
$1,348
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 13 from Saint Martin to Casper, returning Fri, Nov 14, priced at $1,348 found 4 days ago
United
Tue, Nov 11 - Wed, Nov 12
SXM
Saint Martin
CPR
Casper
$1,376 Roundtrip, found 4 days ago
$1,376
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Saint Martin to Casper, returning Wed, Nov 12, priced at $1,376 found 4 days ago

Frequently asked questions

How much does a flight from Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR) cost?
Get a cheap one-way flight or cheap return flight from $692 from Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR) 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 Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR)?
The cheapest month to fly from SXM to CPR is November, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR)?
To find the cheapest airline that'll fly you from SXM to CPR, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR)?
There aren't any daily nonstop flights departing from Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SXM to CPR?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season 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 Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR)?
To land at Natrona County Intl. Airport (CPR) on schedule, book a flight that takes off from Princess Juliana Intl. Airport (SXM) before 3 PM. The likelihood 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 Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR) last-minute?
Waiting until just before your departure to book a flight from SXM to CPR generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of landing a bargain.
Is it cheaper to book a SXM to CPR flight and hotel package?
You'll generally save money by securing a SXM to CPR 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 it all in one convenient place. After selecting your ideal flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Princess Juliana Intl. Airport (SXM) to Natrona County Intl. Airport (CPR)?
If you reserved your SXM to CPR flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Princess Juliana Intl.
Destination airport
Natrona County Intl.
Roundtrip price
$691
Distance
3051 mi

Book with confidence

Philipsburg to Casper Flights

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

 

The best time to book a flight from Philipsburg to Casper

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

 

Philipsburg to Casper Flights

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*Available to One Key members.