Title: $348 Cheap flights from Casper to Pasco (CPR to PSC) - Expedia.com ![blue bridge over Columbia river in Tri-cities Washington state](https://images.trvl-media.com/place/2878/9049bec3-53f1-48e4-9f2a-258938982d2f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2878/9049bec3-53f1-48e4-9f2a-258938982d2f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $348 Cheap Flights from Casper (CPR) to Pasco (PSC) [View $348 flight on Thu, Apr 9, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CPR,to:PSC,departure:4/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:347.90&airProductToken=AQprCjQI1YIBEgQ1ODE4GOKLASCDaSix8YkDMIvyiQM4VkAAWAFqB0VDT05PTVlyCFZBQTRBREVOCjMI1YIBEgQ1Mjk4GINpIM8UKKvziQMwzvSJAzhWQAFYAWoHRUNPTk9NWXIIVkFBNEFERU4SDAgBEAEYASoCVUEyABgBIgQIARABKAIoAygEMAE) ## Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Tri-Cities Airport (PSC) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:PSC,departure:3/27/2026TANYT&leg2=from:PSC,to:CPR,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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\* - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Casper to Pasco (CPR-PSC) Prices were available within the past 7 days and start at $348 for one-way flights and $368 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, May 5 - Tue, May 12 CPR Casper PSC Pasco $368 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:5/5/2026TANYT&leg2=from:PSC,to:CPR,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:367.80&airProductToken=AQprCjQI1YIBEgQ0NjU4GOKLASCDaSjlmIwDML2ZjAM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjMI1YIBEgQxOTEzGINpIM8UKNCbjAMw6ZyMAzhLQAFYAWoHRUNPTk9NWXIIS0ZBMkFERE4KagoyCNWCARIDNDk0GM8UIINpKJDkjAMwpeWMAzhLQABYAWoHRUNPTk9NWXIIS0ZBMkFERE4KNAjVggESBDQ3OTcYg2kg4osBKM3njAMwl-iMAzhLQAFYAWoHRUNPTk9NWXIIS0ZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 4 - Sun, Apr 12 CPR Casper PSC Pasco $393 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:4/4/2026TANYT&leg2=from:PSC,to:CPR,departure:4/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:392.93&airProductToken=AQqpAQo3CNWCARIENTUxMxjiiwEgg2korbiJAzCEuYkDOE5AAFgBagoxX2Jhc2ljZWNvcghMRkE3QURCTgo2CNWCARIEMjM5MRiDaSCycSizuYkDMN66iQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTdBREJOCjYI1YIBEgQ1MzkxGLJxIM8UKJC7iQMwkryJAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBN0FEQk4KcQo2CNWCARIEMTQ1MRjPFCCDaSjQkooDMOWTigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCjcI1YIBEgQ0Njg3GINpIOKLASialYoDMOaVigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, May 5 - Tue, May 12 CPR Casper PSC Pasco $403 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:5/5/2026TANYT&leg2=from:PSC,to:CPR,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:402.81&airProductToken=AQprCjQI1YIBEgQ0NjU4GOKLASCDaSjlmIwDML2ZjAM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjMI1YIBEgQxOTEzGINpIM8UKNCbjAMw6ZyMAzhLQAFYAWoHRUNPTk9NWXIIS0ZBMkFERE4KawozCNWCARIENDcyMRjPFCCDaSj154wDMI7pjAM4TEAAWAFqB0VDT05PTVlyCExGQTdBREROCjQI1YIBEgQ1MjI2GINpIOKLASiQ64wDMNrrjAM4TEABWAFqB0VDT05PTVlyCExGQTdBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 4 - Sun, Apr 12 CPR Casper PSC Pasco $415 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:4/4/2026TANYT&leg2=from:PSC,to:CPR,departure:4/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:414.16&airProductToken=AQpxCjcI1YIBEgQ1ODc5GOKLASCDaSj6vIkDMNW9iQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBPREJOCjYI1YIBEgQxOTEzGINpIM8UKPi-iQMwkcCJAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBME9EQk4KcQo2CNWCARIEMTQ1MRjPFCCDaSjQkooDMOWTigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCjcI1YIBEgQ0Njg3GINpIOKLASialYoDMOaVigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 4 - Sun, Apr 12 CPR Casper PSC Pasco $416 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:4/4/2026TANYT&leg2=from:PSC,to:CPR,departure:4/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:415.23&airProductToken=AQpxCjcI1YIBEgQ0NjMxGOKLASCDaSiJuokDMOG6iQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBPREJOCjYI1YIBEgQ1Mjk4GINpIM8UKIu7iQMwrryJAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBME9EQk4KcQo2CNWCARIEMTQ1MRjPFCCDaSjQkooDMOWTigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCjcI1YIBEgQ0Njg3GINpIOKLASialYoDMOaVigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, May 29 - Tue, Jun 2 CPR Casper PSC Pasco $429 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:5/29/2026TANYT&leg2=from:PSC,to:CPR,departure:6/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:428.61&airProductToken=AQqgAQo0CNWCARIENDczNhjiiwEgg2ko1aSOAzCzpY4DOEtAAFgBagdFQ09OT01ZcghLRkEyQURETgozCNWCARIEMjYzMxiDaSCycSj7p44DMJ6pjgM4S0ABWAFqB0VDT05PTVlyCEtGQTJBREROCjMI1YIBEgQ2MDQ0GLJxIM8UKNSrjgMw1qyOAzhLQAFYAWoHRUNPTk9NWXIIS0ZBMkFERE4KawozCNWCARIEMjM4MRjPFCCDaSi-0I4DMMzRjgM4VEAAWAFqB0VDT05PTVlyCFRGQTBPREROCjQI1YIBEgQ0Nzk3GINpIOKLASjt044DMLjUjgM4VEABWAFqB0VDT05PTVlyCFRGQTBPREROEgwIARABGAEqAlVBMgAYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, May 5 - Tue, May 12 CPR Casper PSC Pasco $438 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:5/5/2026TANYT&leg2=from:PSC,to:CPR,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:437.80&airProductToken=AQppCjMI1YIBEgQ0NjU4GOKLASCDaSjlmIwDML2ZjAM4S0AAWAFqBkVDT1JFRnIIS0ZBMkFERE0KMgjVggESBDE5MTMYg2kgzxQo0JuMAzDpnIwDOEtAAVgBagZFQ09SRUZyCEtGQTJBRERNCmgKMQjVggESAzQ5NBjPFCCDaSiQ5IwDMKXljAM4S0AAWAFqBkVDT1JFRnIIS0ZBMkFERE0KMwjVggESBDQ3OTcYg2kg4osBKM3njAMwl-iMAzhLQAFYAWoGRUNPUkVGcghLRkEyQURETRIKCAEQARgBKgJVQRgBIgQIARABKAIoBCgGMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, May 5 - Tue, May 12 CPR Casper PSC Pasco $444 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:5/5/2026TANYT&leg2=from:PSC,to:CPR,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:443.30&airProductToken=AQprCjQI1YIBEgQ1ODA5GOKLASCDaSjamYwDMLWajAM4VEAAWAFqB0VDT05PTVlyCFRGQTBPREROCjMI1YIBEgQxOTEzGINpIM8UKNCbjAMw6ZyMAzhUQAFYAWoHRUNPTk9NWXIIVEZBME9ERE4KagoyCNWCARIDNDk0GM8UIINpKJDkjAMwpeWMAzhLQABYAWoHRUNPTk9NWXIIS0ZBMkFERE4KNAjVggESBDU3NDMYg2kg4osBKOfljAMwsOaMAzhLQAFYAWoHRUNPTk9NWXIIS0ZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, May 29 - Tue, Jun 2 CPR Casper PSC Pasco $459 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:5/29/2026TANYT&leg2=from:PSC,to:CPR,departure:6/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:458.10&airProductToken=AQqdAQozCNWCARIENTI0NRjiiwEgg2ko8aWOAzDHpo4DOExAAFgBagZFQ09SRUZyCExGQTdBRERNCjII1YIBEgQxMDA3GINpILJxKPqojgMwoKqOAzhMQAFYAWoGRUNPUkVGcghMRkE3QURETQoyCNWCARIENjA0NBiycSDPFCjUq44DMNasjgM4TEABWAFqBkVDT1JFRnIITEZBN0FERE0KaQoyCNWCARIEMjM4MRjPFCCDaSi-0I4DMMzRjgM4S0AAWAFqBkVDT1JFRnIIS0ZBMkFERE0KMwjVggESBDQ2ODcYg2kg4osBKPjSjgMwwtOOAzhLQAFYAWoGRUNPUkVGcghLRkEyQURETRIMCAEQARgBKgJVQTIAGAEiBAgBEAEoAigEKAYwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, May 29 - Tue, Jun 2 CPR Casper PSC Pasco $462 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:PSC,departure:5/29/2026TANYT&leg2=from:PSC,to:CPR,departure:6/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:461.80&airProductToken=AQprCjQI1YIBEgQ0NjU4GOKLASCDaSjrpo4DMMenjgM4U0AAWAFqB0VDT05PTVlyCFNBQTJBREROCjMI1YIBEgQxOTEzGINpIM8UKNSpjgMw6KqOAzhTQAFYAWoHRUNPTk9NWXIIU0FBMkFERE4KawozCNWCARIEMjM4MRjPFCCDaSi-0I4DMMzRjgM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjQI1YIBEgQ0Njg3GINpIOKLASj40o4DMMLTjgM4S0ABWAFqB0VDT05PTVlyCEtGQTJBREROEgwIARABGAEqAlVBMgAYASIECAEQASgCKAMoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities) cost? ### What is the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### Which airlines fly direct from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What is the cheapest airline that flies from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### How do I find cheap flights from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What is the best time to fly from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What is the earliest flight from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What are the most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### How long does it take to fly from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### Can you fly business or first class from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ### How do I earn miles on a Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities) flight with Expedia? ### What airports do you fly into for Pasco from Natrona County Intl. (CPR)? ### Is it cheaper to buy a plane ticket from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities) at the last minute? ### Is it cheaper to book a Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities) flight and hotel package? ### Can I cancel or change the date of my flight from Casper, WY (CPR-Natrona County Intl.) to Pasco, WA (PSC-Tri-Cities)? ## Travel information | Origin airport | Natrona County Intl. | | ------------------- | -------------------- | | Destination airport | Tri-Cities | | Airlines serving | United | | Roundtrip price | $368 | | Distance | 663 mi | ## Book with confidence # Casper to Pasco Flights The cheapest times to fly from Casper to Pasco 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 Casper to Pasco are during the month of May. You can find some of the cheapest flights from Casper to Pasco with Expedia's search tool and vast selection of airlines. The best time to book a flight from Casper to Pasco Sunday is one of the best days to book for cheap flights from Casper to Pasco: 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 Casper to Pasco 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 Casper to Pasco in 2026\. You can also book with separate airlines for your outbound and return journeys, from $348 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 Casper to Pasco 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](https://www.expedia.com/package-deals). Bundling together your Casper to Pasco 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. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - [Pasco Hotels ](https://www.expedia.com/Pasco-Hotels.d2878.Travel-Guide-Hotels) - [Flights to Pasco ](https://www.expedia.com/Cheap-Flights-To-Pasco.d2878.Travel-Guide-Flights) - [Phoenix to Pasco ](https://www.expedia.com/lp/flights/178298/2878/phoenix-to-pasco) - [Dallas to Pasco ](https://www.expedia.com/lp/flights/178253/2878/dallas-to-pasco) \*Available to One Key members.