$233 Cheap United flights Casper (CPR) to Portland (PDX)

View $233 flight on Sun, Aug 24, 2025Opens in a new window

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$233 Cheap United flights Casper (CPR) to Portland (PDX)

Prices were available within the past 7 days and start at $233 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 26 - Sat, Aug 30
CPR
Casper
PDX
Portland
$238 Roundtrip, found 13 hours ago
$238
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Aug 26 from Casper to Portland, returning Sat, Aug 30, priced at $238 found 13 hours ago
United
Tue, Aug 26 - Sat, Aug 30
CPR
Casper
PDX
Portland
$244 Roundtrip, found 13 hours ago
$244
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Aug 26 from Casper to Portland, returning Sat, Aug 30, priced at $244 found 13 hours ago
United
Mon, Dec 22 - Fri, Dec 26
CPR
Casper
PDX
Portland
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select United flight, departing Mon, Dec 22 from Casper to Portland, returning Fri, Dec 26, priced at $249 found 3 days ago
United
Tue, Oct 21 - Tue, Oct 28
CPR
Casper
PDX
Portland
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Casper to Portland, returning Tue, Oct 28, priced at $299 found 3 days ago
United
Sun, Aug 31 - Sun, Sep 7
CPR
Casper
PDX
Portland
$301 Roundtrip, found 8 hours ago
$301
Roundtrip
found 8 hours ago
Select United flight, departing Sun, Aug 31 from Casper to Portland, returning Sun, Sep 7, priced at $301 found 8 hours ago
United
Mon, Aug 25 - Sat, Aug 30
CPR
Casper
PDX
Portland
$302 Roundtrip, found 13 hours ago
$302
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Aug 25 from Casper to Portland, returning Sat, Aug 30, priced at $302 found 13 hours ago
Flights from Casper (CPR) to Portland (PDX)
Origin airport
Natrona County Intl.
Destination airport
Portland Intl.
Airlines serving
United
Popular airline
United
Distance
817 mi

Frequently asked questions

How much is a United Airlines flight from Natrona County Intl. Airport (CPR) to Portland Intl. Airport (PDX)?
You can find affordable round-trip United Airlines flights from $238 from CPR to PDX by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $233 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from CPR to PDX with United Airlines?
January is one of the most affordable months to travel to Portland with United Airlines. You could also find great prices on return and one-way fares in December.
What is the cheapest time to book flights from Natrona County Intl. Airport (CPR) to Portland Intl. Airport (PDX) with United Airlines?
To find cheap United Airlines fares from Natrona County Intl. Airport (CPR) to Portland Intl. Airport (PDX), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the price you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Natrona County Intl. Airport (CPR) to Portland Intl. Airport (PDX)?
Select our "Nonstop" filter when searching for direct United Airlines flights from CPR to PDX. You can also compare other carriers offering the same nonstop route.
What is the earliest United Airlines flight from CPR to PDX?
To find the earliest departure from CPR to PDX with United Airlines, filter your search by "Morning" and "Early Morning." Choosing an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Portland?
United Airlines flights from Natrona County Intl. Airport (CPR) to Portland land at Portland Intl. Airport (PDX). This is the main gateway to this destination.
Why fly with United Airlines from CPR to PDX?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to travel from CPR to PDX with United Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can receive OneKeyCash™* in addition to any airline loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Natrona County Intl. Airport (CPR) to Portland Intl. Airport (PDX)?
It's usually possible to cancel or reschedule your flight, although additional charges may apply if your booking was made over 24 hours ago. Need flexible options? Apply the "Changes included" and "No cancel fee" filters to find flights that won't penalize you if you have to revise your plans. To make modifications, visit "Trips," select your flight and click on "Manage Booking" for further information.

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