$661 Cheap Flights from Rochester (RST) to Casper (CPR)

View $661 flight on Sun, Mar 22, 2026Opens in a new window

Popular airlines from Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)

Cheap Flights from Rochester to Casper (RST-CPR)

Prices were available within the past 7 days and start at $661 for one-way flights and $1,342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 24 - Tue, Mar 31
RST
Rochester
CPR
Casper
$1,342 Roundtrip, found 2 days ago
$1,342
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Mar 24 from Rochester to Casper, returning Tue, Mar 31, priced at $1,342 found 2 days ago
Delta
Sat, Mar 21 - Sat, Mar 28
RST
Rochester
CPR
Casper
$1,395 Roundtrip, found 2 days ago
$1,395
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Mar 21 from Rochester to Casper, returning Sat, Mar 28, priced at $1,395 found 2 days ago
Delta
Wed, Mar 18 - Sun, Mar 22
RST
Rochester
CPR
Casper
$1,546 Roundtrip, found 1 day ago
$1,546
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 18 from Rochester to Casper, returning Sun, Mar 22, priced at $1,546 found 1 day ago
Delta
Wed, Mar 18 - Sun, Mar 22
RST
Rochester
CPR
Casper
$1,635 Roundtrip, found 1 day ago
$1,635
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 18 from Rochester to Casper, returning Sun, Mar 22, priced at $1,635 found 1 day ago
Delta
Wed, Mar 18 - Sun, Mar 22
RST
Rochester
CPR
Casper
$1,692 Roundtrip, found 1 day ago
$1,692
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 18 from Rochester to Casper, returning Sun, Mar 22, priced at $1,692 found 1 day ago
Delta
Wed, Mar 18 - Sun, Mar 22
RST
Rochester
CPR
Casper
$1,781 Roundtrip, found 1 day ago
$1,781
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 18 from Rochester to Casper, returning Sun, Mar 22, priced at $1,781 found 1 day ago
Delta
Wed, Mar 18 - Sun, Mar 22
RST
Rochester
CPR
Casper
$1,877 Roundtrip, found 1 day ago
$1,877
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 18 from Rochester to Casper, returning Sun, Mar 22, priced at $1,877 found 1 day ago
Delta
Wed, Mar 18 - Sun, Mar 22
RST
Rochester
CPR
Casper
$1,966 Roundtrip, found 1 day ago
$1,966
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 18 from Rochester to Casper, returning Sun, Mar 22, priced at $1,966 found 1 day ago

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Frequently asked questions

How much does a flight from Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights from $661 and cheap return flights from $1,342 RST to CPR with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when RST to CPR ticket fares go up or down.
What is the cheapest month to fly from Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The cheapest month to fly from RST to CPR is March 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 Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Enter RST to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Delta is the carrier that flies from Rochester, MN (RST) to Casper, WY (CPR). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. 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 Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Rochester, MN (RST-Rochester 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 Rochester, MN (RST-Rochester 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 Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Rochester, MN (RST) to Casper, WY (CPR) typically departs at around 6:45 AM, operated by Delta and United. This is a seasonal service active in January, and an early departure can help you make the most of your time in Casper. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
a Friday typically has the most flights from Rochester Intl. (RST) to Natrona County Intl. (CPR), with approximately 2 flights available. This gives you plenty of options for your travel plans. A major airline on this route is Delta.
What are the most popular departure times for flights from Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from Rochester, MN (RST) to Casper, WY (CPR) are in the late morning, from 9am to noon. This accounts for around 75% of total traffic. Delta Airlines and United Airlines operate flights during this window. Many travelers choose this time as it allows for a leisurely morning before heading to their destination.
How long does it take to fly from Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Flying from RST to CPR with a connection usually takes about 11 hours 30 minutes, traveling roughly 704 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 Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Select the "Business class" and "First class" filters when looking for RST to CPR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Rochester, MN (RST-Rochester 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 Rochester Intl. (RST)?
From Rochester Intl. (RST), you can fly typically into Natrona County Intl. (CPR) to reach Casper. Some flights may connect through major hubs like 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 Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Rochester, MN (RST-Rochester 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 Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Rochester, MN (RST-Rochester 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 Rochester, MN (RST-Rochester Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Rochester, MN (RST-Rochester 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
Rochester Intl.
Destination airport
Natrona County Intl.
Roundtrip price
$1,342
Distance
704 mi

Book with confidence

Rochester to Casper Flights

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

 

The best time to book a flight from Rochester to Casper

Sunday is one of the best days to book for cheap flights from Rochester 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 Rochester 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 Rochester to Casper in 2026. You can also book with separate airlines for your outbound and return journeys, from $661 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 Rochester 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 Rochester 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.

 

Rochester to Casper Flights

*Flight schedules are subject to change.

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*Available to One Key members.