$337 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Casper (CPR)

View $337 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Casper, WY (CPR-Natrona County Intl.)

Cheap Flights from Newark Liberty Intl. Airport to Casper (EWR-CPR)

Prices were available within the past 7 days and start at $337 for one-way flights and $278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jan 9 - Tue, Jan 13
EWR
New York
CPR
Casper
$278 Roundtrip, found 7 hours ago
$278
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Jan 9 from New York to Casper, returning Tue, Jan 13, priced at $278 found 7 hours ago
United
Fri, Dec 12 - Tue, Dec 16
EWR
New York
CPR
Casper
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 12 from New York to Casper, returning Tue, Dec 16, priced at $298 found 6 days ago
United
Fri, Jan 9 - Tue, Jan 13
EWR
New York
CPR
Casper
$299 Roundtrip, found 7 hours ago
$299
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Jan 9 from New York to Casper, returning Tue, Jan 13, priced at $299 found 7 hours ago
United
Thu, Jan 8 - Sun, Jan 11
EWR
New York
CPR
Casper
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 8 from New York to Casper, returning Sun, Jan 11, priced at $303 found 2 days ago
United
Thu, Jan 8 - Sun, Jan 11
EWR
New York
CPR
Casper
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 8 from New York to Casper, returning Sun, Jan 11, priced at $319 found 2 days ago
United
Fri, Dec 12 - Tue, Dec 16
EWR
New York
CPR
Casper
$323 Roundtrip, found 6 days ago
$323
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 12 from New York to Casper, returning Tue, Dec 16, priced at $323 found 6 days ago
United
Thu, Jan 8 - Sun, Jan 11
EWR
New York
CPR
Casper
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 8 from New York to Casper, returning Sun, Jan 11, priced at $324 found 2 days ago
United
Thu, Jan 8 - Sun, Jan 11
EWR
New York
CPR
Casper
$327 Roundtrip, found 2 days ago
$327
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 8 from New York to Casper, returning Sun, Jan 11, priced at $327 found 2 days ago
United
Thu, Jan 8 - Sun, Jan 11
EWR
New York
CPR
Casper
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 8 from New York to Casper, returning Sun, Jan 11, priced at $348 found 2 days ago
United
Wed, Nov 5 - Wed, Nov 19
EWR
New York
CPR
Casper
$348 Roundtrip, found 1 hour ago
$348
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Nov 5 from New York to Casper, returning Wed, Nov 19, priced at $348 found 1 hour ago

Alternative airports near Casper

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Natrona County Intl. CPR. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $303
CPR
Natrona County Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $303

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR) cost?
Snag a cheap one-way flight from $337 or cheap return flight from $278 from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR)?
The cheapest month to fly from EWR to CPR is January, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest EWR to CPR flight.
How many flights per day from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR)?
Direct flights from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EWR to CPR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR)?
To land at Natrona County Intl. Airport (CPR) without delays, select a flight that leaves Liberty Intl. Airport (EWR) before 3 PM. The likelihood 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 Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR) last-minute?
Last-minute bookings from EWR to CPR are usually more expensive. To secure the best rates, start looking for flights well in advance. That said, if you're flexible with your travel plans, it's possible to find a cheap fare right before you leave.
Is it cheaper to book an EWR to CPR flight and hotel package?
Compared with arranging hotels and flights separately, booking an EWR to CPR flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Natrona County Intl. Airport (CPR)?
In most cases, you're able to reschedule or cancel your EWR to CPR flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$278
Distance
1659 mi

Book with confidence

Newark Liberty Intl. Airport to Casper Flights

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

 

The best time to book a flight from Newark Liberty Intl. Airport to Casper

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport to Casper in 2025. You can also book with separate airlines for your outbound and return journeys, from $337 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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport 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.

 

Newark Liberty Intl. Airport to Casper Flights

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*Available to One Key members.