Cheap Flights from Portland (PDX) to Casper (CPR)

Popular airlines from Portland International Airport (PDX) to Casper, WY (CPR-Natrona County Intl.)

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Find the cheapest month to fly from Portland (PDX) to Casper (CPR)

May is typically the cheapest month to fly

From $238 - $583 per traveler.
Flights from Portland (PDX) to Casper (CPR)
Origin airport
Portland Intl.
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$258
Distance
817 mi

Portland to Casper Flights

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

 

The best time to book a flight from Portland to Casper

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

 

Frequently asked questions

How much does a flight from Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights and cheap return flights Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights typically cost between $268 and $730, and return flights often range between $381 and $1410. 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 Portland, OR (PDX-Portland 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
February is the cheapest month to fly from Portland (PDX) to Casper (CPR), with average round-trip fares around $308. This fare is about 33% lower than the average price throughout the year, as February often has less travel activity. Other cheap months to fly from Portland to Casper include April and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Enter PDX to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
United is one of the cheapest airlines offering connecting flights from Portland, OR (PDX) to Casper, WY (CPR), with round-trip tickets starting from around $237.97 with a layover in San Francisco Intl. (SFO). 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Portland, OR (PDX-Portland 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
For flights from Portland (PDX) to Casper (CPR), February and April are the best months to travel. You can expect return flights to average around $308, which is quite economical. February is often less busy, while April brings springtime vibes, making it a lovely time to visit Wyoming.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from PDX to CPR. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Flights from PDX to CPR with one stop typically take around 5 hours, covering approximately 818 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Select the "Business class" and "First class" filters when looking for PDX 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland 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 Portland Intl. (PDX)?
From Portland Intl. (PDX), you can fly into Natrona County Intl. (CPR) to reach Casper. 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Portland, OR (PDX-Portland 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 Portland, OR (PDX-Portland Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Portland, OR (PDX-Portland 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.

*Flight schedules are subject to change.

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