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$248+ Cheap flights from Casper to Portland (CPR - PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — PDX
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from Casper to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Casper (CPR) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 17, 2025.

Round-trip from

$248
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$368
From Casper Natrona County to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Casper to Portland

Cheapest flights from Casper to Portland
Explore the most affordable flight options available from Casper to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:11 pmCPR - PDX
1 stop6h 50mUnited Airlines
Wed 9/35:00 amPDX - CPR
1 stop4h 50mUnited Airlines
Deal found 8/15$248
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:30 amCPR - PDX
1 stop4h 58mUnited Airlines
Sat 9/208:35 amPDX - CPR
1 stop7h 17mUnited Airlines
Deal found 8/15$308
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:50 pmCPR - PDX
1 stop5h 52mUnited Airlines
Fri 9/195:00 amPDX - CPR
1 stop4h 50mUnited Airlines
Deal found 8/15$309
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:50 pmCPR - PDX
1 stop5h 52mUnited Airlines
Tue 9/3010:50 amPDX - CPR
1 stop6h 57mUnited Airlines
Deal found 8/17$316
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:37 pmCPR - PDX
2 stops8h 00mUnited Airlines
Sat 9/201:45 pmPDX - CPR
2 stops7h 29mUnited Airlines
Deal found 8/15$319
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:30 amCPR - PDX
1 stop4h 58mUnited Airlines
Wed 8/278:35 amPDX - CPR
1 stop9h 34mUnited Airlines
Deal found 8/14$368
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:00 amCPR - PDX
2 stops12h 36mUnited Airlines
Wed 11/57:30 amPDX - CPR
2 stops11h 47mUnited Airlines
Deal found 8/15$379

Cheapflights Fare Finder

 
Customize your flight search to find flights from Casper to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2025.
Use the filters below to find and compare flights from Casper to Portland that are best for you.

Fly from

Casper

Fly to

Portland

Route

Depart

Return

Price

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 8/30

3:11 pm-9:01 pm

1 stop6h 50m

Portland

Wed 9/3

5:00 am-10:50 am

1 stop4h 50m

$248

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sun 9/14

5:30 am-9:28 am

1 stop4h 58m

Portland

Sat 9/20

8:35 am-4:52 pm

1 stop7h 17m

$308

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 10/29

6:05 pm-10:56 pm

1 stop5h 51m

Portland

Wed 11/5

5:00 am-10:45 am

1 stop4h 45m

$308

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 9/13

5:30 am-9:28 am

1 stop4h 58m

Portland

Sat 9/20

8:35 am-4:52 pm

1 stop7h 17m

$308

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Fri 9/12

5:50 pm-10:42 pm

1 stop5h 52m

Portland

Fri 9/19

5:00 am-10:50 am

1 stop4h 50m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Best time to book a flight from Casper to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Casper with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated August 17, 2025.
Read reviews from past customers who have flown United Airlines from Casper to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,919 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,919 reviews
United Airlines
7.4
Good
8,919 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Casper to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Casper to Portland round-trip?

    Flying on United Airlines is currently your cheapest option to Portland, with prices starting at $273. United Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Casper to Portland that include hotel bookings?

    Yes. In addition to deals on Casper to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Casper to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Portland.

  • Can I find deals for business class flights from Casper to Portland?

    Yes. Cheapflights offers flight deals from Casper to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Casper to Portland?

    Currently, November is the cheapest month in which you can book a flight from Casper to Portland (average of $277). Flying from Casper to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Lincoln City
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Stevenson
Woodburn
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Casper to Portland

Discover the top airline that operate flights from Casper to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$273Average$422FlexibilityNo cancel feeOn-time69%

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