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$457 Cheap Flights from Casper (CPR) to Newark Liberty Intl. Airport (EWR)

View $457 flight on Fri, Aug 21, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $457 for one-way flights and $676 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 21 - Mon, Aug 24
CPR
Casper
EWR
New York
$676 Roundtrip, just found
$676
Roundtrip
just found
Select United flight, departing Fri, Aug 21 from Casper to New York, returning Mon, Aug 24, priced at $676 just found
United
Fri, Aug 21 - Mon, Aug 24
CPR
Casper
EWR
New York
$681 Roundtrip, just found
$681
Roundtrip
just found
Select United flight, departing Fri, Aug 21 from Casper to New York, returning Mon, Aug 24, priced at $681 just found
United
Fri, Sep 11 - Sat, Sep 26
CPR
Casper
EWR
New York
$687 Roundtrip, found 17 hours ago
$687
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Sep 11 from Casper to New York, returning Sat, Sep 26, priced at $687 found 17 hours ago
United
Fri, Aug 21 - Mon, Aug 24
CPR
Casper
EWR
New York
$711 Roundtrip, just found
$711
Roundtrip
just found
Select United flight, departing Fri, Aug 21 from Casper to New York, returning Mon, Aug 24, priced at $711 just found
United
Fri, Aug 21 - Mon, Aug 24
CPR
Casper
EWR
New York
$716 Roundtrip, just found
$716
Roundtrip
just found
Select United flight, departing Fri, Aug 21 from Casper to New York, returning Mon, Aug 24, priced at $716 just found
United
Tue, Aug 25 - Mon, Aug 31
CPR
Casper
EWR
New York
$720 Roundtrip, found 5 days ago
$720
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 25 from Casper to New York, returning Mon, Aug 31, priced at $720 found 5 days ago
United
Fri, Aug 21 - Mon, Aug 24
CPR
Casper
EWR
New York
$726 Roundtrip, just found
$726
Roundtrip
just found
Select United flight, departing Fri, Aug 21 from Casper to New York, returning Mon, Aug 24, priced at $726 just found
United
Fri, Aug 21 - Mon, Aug 24
CPR
Casper
EWR
New York
$727 Roundtrip, just found
$727
Roundtrip
just found
Select United flight, departing Fri, Aug 21 from Casper to New York, returning Mon, Aug 24, priced at $727 just found
United
Fri, Aug 21 - Mon, Aug 24
CPR
Casper
EWR
New York
$732 Roundtrip, just found
$732
Roundtrip
just found
Select United flight, departing Fri, Aug 21 from Casper to New York, returning Mon, Aug 24, priced at $732 just found
United
Fri, Sep 11 - Sat, Sep 26
CPR
Casper
EWR
New York
$738 Roundtrip, found 17 hours ago
$738
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Sep 11 from Casper to New York, returning Sat, Sep 26, priced at $738 found 17 hours ago

Frequently asked questions

How much does a flight from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) cost?
You can find cheap one-way flights from $457 and cheap return flights from $676 Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) with Expedia. One-way flights usually range from $538 to $968, and return flights typically cost between $387 and $1415. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
The cheapest month to fly from CPR to EWR is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
Enter CPR to EWR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
United is one of the cheapest airlines offering connecting flights from Natrona County International (CPR) to Liberty International (EWR), with round-trip tickets starting from around $278. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
To find a cheap flight from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
The earliest flight from Casper, WY (CPR) to Newark Liberty Intl. Airport (EWR) typically departs at around 5:25 AM, with United Airlines providing service. This is a seasonal service active in February, March, April, and May. An early departure can help you maximize your time in New York. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
The most popular departure times for flights from Casper (CPR) to Newark (EWR) are in the late morning, from 9am to noon. About 34% of passengers prefer this time window. Many major carriers, including United Airlines, Delta Air Lines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to start your day in Casper and arrive in Newark with ample time to settle in.
How long does it take to fly from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
A flight from CPR to EWR with a layover takes around 6 hours 20 minutes, with the route covering approximately 1,660 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
First class seats are offered on the CPR to EWR route with United Airlines.
How do I earn miles on a Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) flight with Expedia?
It's easy to earn miles on a Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Newark from Natrona County Intl. (CPR)?
If you're planning to travel to Newark from Natrona County Intl. (CPR), you can fly into Liberty Intl. (EWR) Some flights may connect through major hubs like Denver Intl. (DEN) before reaching Newark. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) at the last minute?
Typically, booking a last minute flight from Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) flight and hotel package?
Securing a Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) Newark Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays 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 Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR)?
If you booked your Casper, WY (CPR-Natrona County Intl.) to Newark Liberty Intl. Airport (EWR) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Natrona County Intl.
Destination airport
Newark Liberty Intl. Airport
Airlines serving
United
Roundtrip price
$675
Distance
1659 mi

Book with confidence

Casper to Newark Liberty Intl. Airport Flights

The cheapest times to fly from Casper to Newark Liberty Intl. Airport

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

 

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

Sunday is one of the best days to book for cheap flights from Casper to Newark Liberty Intl. Airport: 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 Newark Liberty Intl. Airport

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 Newark Liberty Intl. Airport in 2026. You can also book with separate airlines for your outbound and return journeys, from $457 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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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