A golf course with a pond, green fields, and distant mountains.

$298 Cheap Flights from Houston (IAH) to Casper (CPR)

View $298 flight on Thu, Aug 27, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Casper, WY (CPR-Natrona County Intl.)

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Cheap Flights from Houston to Casper (IAH-CPR)

Prices were available within the past 7 days and start at $298 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 14 - Tue, Aug 18
IAH
Houston
CPR
Casper
$308 Roundtrip, found 2 hours ago
$308
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 14 from Houston to Casper, returning Tue, Aug 18, priced at $308 found 2 hours ago
United
Sat, Jul 25 - Tue, Jul 28
IAH
Houston
CPR
Casper
$333 Roundtrip, found 2 days ago
$333
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 25 from Houston to Casper, returning Tue, Jul 28, priced at $333 found 2 days ago
United
Fri, Aug 14 - Tue, Aug 18
IAH
Houston
CPR
Casper
$341 Roundtrip, found 2 hours ago
$341
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 14 from Houston to Casper, returning Tue, Aug 18, priced at $341 found 2 hours ago
United
Fri, Sep 11 - Sun, Sep 13
IAH
Houston
CPR
Casper
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 11 from Houston to Casper, returning Sun, Sep 13, priced at $344 found 1 day ago
United
Fri, Aug 14 - Tue, Aug 18
IAH
Houston
CPR
Casper
$346 Roundtrip, found 2 hours ago
$346
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 14 from Houston to Casper, returning Tue, Aug 18, priced at $346 found 2 hours ago
United
Fri, Jul 17 - Sat, Jul 18
IAH
Houston
CPR
Casper
$358 Roundtrip, found 4 days ago
$358
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jul 17 from Houston to Casper, returning Sat, Jul 18, priced at $358 found 4 days ago
United
Fri, Aug 14 - Tue, Aug 18
IAH
Houston
CPR
Casper
$364 Roundtrip, found 2 hours ago
$364
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 14 from Houston to Casper, returning Tue, Aug 18, priced at $364 found 2 hours ago
United
Mon, Jul 20 - Mon, Jul 27
IAH
Houston
CPR
Casper
$366 Roundtrip, found 1 day ago
$366
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jul 20 from Houston to Casper, returning Mon, Jul 27, priced at $366 found 1 day ago
United
Fri, Aug 14 - Tue, Aug 18
IAH
Houston
CPR
Casper
$369 Roundtrip, found 2 hours ago
$369
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 14 from Houston to Casper, returning Tue, Aug 18, priced at $369 found 2 hours ago
United
Wed, Jul 22 - Mon, Jul 27
IAH
Houston
CPR
Casper
$375 Roundtrip, found 16 hours ago
$375
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Jul 22 from Houston to Casper, returning Mon, Jul 27, priced at $375 found 16 hours 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 $375
CPR
Natrona County Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $375

What you need to know for your flight from George Bush Intercontinental to Natrona County Intl.

Houston (IAH) to Casper (CPR) at a glance

Travel from Houston (IAH) to Casper (CPR) with a full-service airline on this convenient domestic short-haul route. Discover the itinerary that aligns best with your travel plans as you visit Casper's renowned attractions and neighborhoods. Below, you'll find essential information about flights from George Bush Intercontinental Airport (IAH) to Natrona County International Airport (CPR).

  • Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,100 miles (1,770 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $135–$505, depending on seasonality and how far ahead you book

Flights from George Bush Intercontinental Airport (IAH) to Natrona County International Airport (CPR)

Based on recent traveler bookings, here are the top airlines flying from Houston to Casper, often selected for their one-stop services, with popular layovers at Denver International Airport (DEN), typically lasting around 1 hour and 15 minutes. This variety allows you to balance pricing, total travel time, and cabin class to secure the best travel plan.

  • United: As a comprehensive carrier, United provides seamless service with one-stop flights, generally priced between $135 and $505 for one-way tickets. This airline manages nearly all departures on this route, featuring an in-flight duration of 3 hours and 45 minutes, totaling about 5 hours for the journey including layover time.

Best time to fly from Houston (IAH) to Casper (CPR)

The most popular months for travelers flying from Houston to Casper are March, April, and May, when peak temperatures in Casper reach up to 52°F in May. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 19.6°F. For better deals, May usually offers the lowest average one-way fare around $243. Flight availability peaks in June, with approximately 9 flights per week, making it easier to find convenient departure times. February, April, May, August, and November have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $243, roughly 25% cheaper than the yearly average.
  • Another budget-friendly time to fly: April typically offers an average one-way fare of around $269.
  • Most flight options: June has the highest number of flights from Houston to Casper, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January19.6°F (-6.9°C)Low8$335
February20.1°F (-6.6°C)Average7$292
March32.7°F (0.4°C)High8$353
April40.3°F (4.6°C)High7$269
May52.0°F (11.1°C)High7$243
June65.3°F (18.5°C)Average9$380
July73.9°F (23.3°C)Average8$300
August71.6°F (22.0°C)Low7$355
September62.8°F (17.1°C)Average8$334
October45.0°F (7.2°C)Average8$307
November32.7°F (0.4°C)Low7$430
December21.2°F (-6.0°C)Average8$316

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Houston (IAH) to Casper (CPR)

  • Houston to Casper (HOU-CPR): Located approximately 23 miles from George Bush Intercontinental Airport (IAH), William P. Hobby Airport (HOU) serves as an alternative departure point for this route.

How to find the best prices for flights from Houston (IAH) to Casper (CPR)

Getting some of the best deals on flights from Houston 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 generally available when booking at least two months in advance, although most travelers tend to book within two weeks. Afternoon departures between 12 PM and 6 PM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Wednesday usually provides cheaper rates, even though Thursday is the busiest 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 George Bush Intercontinental Airport

Casper welcomes travelers from Houston with a range of transport options based on price, convenience, and proximity. 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, providing convenient access for travelers.

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights from $298 and cheap return flights from $308 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights typically cost between $303 and $912, and return flights often range between $400 and $1602. 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 Houston, TX (IAH-George Bush Intercontinental) 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
The cheapest month to fly from IAH to CPR 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
Enter IAH to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
United is one of the cheapest airlines offering connecting flights from Houston, TX (IAH) to Casper, WY (CPR), with round-trip tickets starting from around $1001 with a layover in Austin-Bergstrom Intl. (AUS). 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) 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 Houston, TX (IAH-George Bush Intercontinental) 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Houston, Texas (IAH) to Casper, Wyoming (CPR) typically departs at around 5:00 AM, operated by United. This flight is part of a seasonal service active in May, June, and July, giving you an early start to your journey. 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from Houston, TX (IAH) to Casper, WY (CPR) are in the early morning, from 6am to 9am. About 43% of passengers prefer this time window. Many major carriers, including Delta and United Airlines, offer flights during this window. This timing works well because it allows you to start your day early and reach your destination in good time.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
Flights from IAH to CPR with one stop typically take around 5 hours, covering approximately 1,083 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
First class seats are offered on the IAH to CPR route with United Airlines.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) 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 George Bush Intercontinental (IAH)?
If you're planning to travel to Casper from George Bush Intercontinental (IAH), you can fly into Natrona County Intl. (CPR) Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Los Angeles Intl. (LAX), Minneapolis - St. Paul Intl. (MSP) 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) 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 Houston, TX (IAH-George Bush Intercontinental) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) 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
George Bush Intercontinental
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$308
Distance
1083 mi

Book with confidence

Houston to Casper Flights

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

 

The best time to book a flight from Houston to Casper

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Casper in 2026. You can also book with separate airlines for your outbound and return journeys, from $298 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 Houston 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 Houston 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.

 

Houston to Casper Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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