$368 Cheap Flights from Raleigh (RDU) to Casper (CPR)

View $368 flight on Thu, Jul 30, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Casper, WY (CPR-Natrona County Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Raleigh to Casper (RDU-CPR)

Prices were available within the past 7 days and start at $368 for one-way flights and $354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $354 found 1 day ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $389 found 1 day ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$414 Roundtrip, found 1 day ago
$414
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $414 found 1 day ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$420 Roundtrip, found 1 day ago
$420
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $420 found 1 day ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$431 Roundtrip, found 1 day ago
$431
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $431 found 1 day ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$434 Roundtrip, found 1 day ago
$434
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $434 found 1 day ago
United
Tue, Sep 29 - Mon, Oct 5
RDU
Raleigh
CPR
Casper
$448 Roundtrip, found 9 hours ago
$448
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Sep 29 from Raleigh to Casper, returning Mon, Oct 5, priced at $448 found 9 hours ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$454 Roundtrip, found 1 day ago
$454
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $454 found 1 day ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$455 Roundtrip, found 1 day ago
$455
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $455 found 1 day ago
United
Wed, Sep 9 - Wed, Sep 23
RDU
Raleigh
CPR
Casper
$466 Roundtrip, found 1 day ago
$466
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Raleigh to Casper, returning Wed, Sep 23, priced at $466 found 1 day ago

What you need to know for your flight from Raleigh - Durham Intl. to Natrona County Intl.

Raleigh (RDU) to Casper (CPR) at a glance

Travel from Raleigh (RDU) to Casper (CPR) on this domestic short-haul route with a full-service airline. Discover an itinerary that suits your travel plans as you delve into the renowned attractions and neighborhoods of Casper. Here, you'll find essential information for flights departing from Raleigh-Durham International Airport (RDU) to Natrona County International Airport (CPR).

  • Fastest flight duration: around 5h 15m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,600 miles (2,570 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $140–$535, depending on seasonality and how far ahead you book

Flights from Raleigh - Durham International Airport (RDU) to Natrona County International Airport (CPR)

According to recent traveler bookings, the top airlines flying from Raleigh to Casper are favored for their one-stop services, often with a layover at Denver International Airport (DEN), which typically lasts around 1 hour and 15 minutes. This setup allows you to easily compare prices, total travel times, and cabin classes to secure the ideal itinerary.

  • United: This comprehensive airline provides a full range of services and dominates this route with nearly all departures. One-way tickets typically fall between $140 and $535. In-flight duration is approximately 5 hours and 15 minutes, while the overall travel time, including layover, is around 6 hours and 30 minutes.

Alternative routes from Raleigh (RDU) to Casper (CPR)

  • Fayetteville to Casper (FAY-CPR): Fayetteville Regional Airport (FAY) is located approximately 61 miles from Raleigh-Durham International Airport (RDU).
  • Greensboro to Casper (GSO-CPR): Piedmont Triad International Airport (GSO) sits around 66 miles from Raleigh-Durham International Airport (RDU).

How to find the best prices for flights from Raleigh (RDU) to Casper (CPR)

Getting some of the best deals on flights from Raleigh to Casper is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Afternoon departures (12 PM-6 PM) often provide lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Fridays not only offers cheaper prices but is also the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Casper hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Natrona County International Airport from Raleigh - Durham International Airport

Casper welcomes travelers from Raleigh with a range of transport options based on price, convenience, and proximity. For departures, Raleigh - Durham International Airport is roughly a 20-minute drive (covering about 15 miles) from central Raleigh. Here's how to reach Casper efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Casper, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Natrona County International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Natrona County International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Natrona County International Airport, Casper Seaport, a seaport, is located about 0.4 miles away by car.

Frequently asked questions

How much does a flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights from $368 and cheap return flights from $354 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights generally range between $424 and $918, and roundtrip flights usually range from $417 to $1738. 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The cheapest month to fly from RDU to CPR is September 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Enter RDU to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
United is one of the cheapest airlines offering connecting flights from Raleigh, NC (RDU) to Casper, WY (CPR), with round-trip tickets starting from around $278 with a layover in O'Hare Intl. (ORD). 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.), 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Raleigh-Durham International Airport (RDU) to Natrona County International Airport (CPR) usually leaves at around 5:30 AM, operated by United. This flight is part of a seasonal service active in May, allowing you to start your day early and maximize your time in Casper. 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from Raleigh - Durham Intl. (RDU) to Natrona County Intl. (CPR) are in the early morning, from 6am to 9am. About 70% of passengers prefer this time window. Many major carriers, including Delta and United Airlines, offer flights during this window. This timing is popular as it allows travelers to reach Casper early in the day.
How long does it take to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
A flight from RDU to CPR with a layover takes around 6 hours 30 minutes, with the route covering approximately 1,547 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
First class seats are offered on the RDU to CPR route with United Airlines.
How do I earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) 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 Casper from Raleigh - Durham Intl. (RDU)?
From Raleigh - Durham Intl. (RDU), you can fly into Natrona County Intl. (CPR) to reach Casper. Some flights may connect through major hubs like Minneapolis - St. Paul Intl. (MSP), Los Angeles Intl. (LAX), O'Hare Intl. (ORD) before reaching Casper. 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Raleigh, NC (RDU-Raleigh - Durham Intl.) to Casper, WY (CPR-Natrona County Intl.) 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
Raleigh - Durham Intl.
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$353
Distance
1547 mi

Book with confidence

Raleigh to Casper Flights

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

 

The best time to book a flight from Raleigh to Casper

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Casper in 2026. You can also book with separate airlines for your outbound and return journeys, from $368 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 Raleigh 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 Raleigh 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.

 

Raleigh to Casper Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia