Title: Cheap Flights from Portland (PWM) to Casper (CPR) - Expedia.ca ![Casper featuring golf and landscape views](https://images.trvl-media.com/place/6055899/008589a9-fc96-46ff-8eb9-c572559321cd.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Casper Area Convention and Visitors Bureau ![](https://images.trvl-media.com/place/6055899/008589a9-fc96-46ff-8eb9-c572559321cd.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Portland (PWM) to Casper (CPR) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Portland Intl. Jetport Airport (PWM) to Casper, WY (CPR-Natrona County Intl.) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:pwm,to:cpr,departure:20/10/2025TANYT&leg2=from:cpr,to:pwm,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from Portland Intl. Jetport to CPR? > The lowest price advertised for a round-trip journey between PWM and Natrona County Intl. Airport (CPR) is . But you better act fast. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Jetport Airport (PWM) to Casper Airport? > Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Portland Intl. Jetport to Casper Airport that have flexible change policies? > Use our "No change fees" filter to find flexible ticketing options for your flight from Portland Intl. Jetport to Casper Airport. This allows you to lock in a fantastic price ahead of time and still have the freedom to reschedule without any extra fees. Keep in mind that you'll need to cover the fare difference. ### How far is the flight from Portland Intl. Jetport to CPR? > It's around 2,900 kilometres between Portland and Casper, so expect to be up in the air for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or a thrilling novel. ### Which airlines fly direct from PWM to CPR? > Unfortunately, there aren't any airlines that directly fly between Portland Intl. Jetport and Casper Airport. You'll have to book a flight with at least one stop. ### Are PWM to CPR flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Portland Intl. Jetport Airport (PWM) to CPR at the last minute could save you some serious cash. However, it might cost you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time. ## Travel information | Origin airport | Portland Intl. Jetport | | --- | --- | | Destination airport | Natrona County Intl. | | Distance | 2887 km | ## Book with confidence ### Portland to Casper Flights **The easy way to book your flights from Portland to Casper**  With Expedia, it’s simple to find and book flights to Casper from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Natrona County Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Casper today, tomorrow, or this week.   **Save dollars with cheap flights from Portland Intl. Jetport, PWM to Natrona County Intl., CPR**  Sort your search results by price to find great deals on your flight from Portland to Casper—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Casper from Portland currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Casper   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Casper from Portland**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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