How long is the flight from Casper to Portland?

Airlines like United Airlines fly from Casper to Portland in about 9h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from Casper to Portland is about 817 mi.

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 $268. United Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from CPR to PDX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Casper to Portland as you normally would.

Most accurate provider : When it comes to deals on Casper-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Casper-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Casper-Portland flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Casper-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Casper-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$308+ Flights from Casper to Portland

Q: How much does it cost to fly round-trip from Casper to Portland?

Airfare is below average for this route at the moment. Casper to Portland flights typically cost between $348 and $370 in March. The cheapest round-trip price found within the last 3 days was $308 on United Airlines (Mar 7-Mar 10).

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1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheap flight deals from Casper to Portland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$308 (United Airlines)
Popular in	July
Cheapest in	February
Average price	$352

Provider with most accurate pricing for Casper Natrona County-Portland flight deals.

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Provider most trusted by Cheapflights users for Casper Natrona County-Portland flights.

Search Deals

From Casper Natrona County to Portland

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($50 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 November 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 November 17, 2025.

Mon 11/241:25 pmCPR - PDX

1 stop9h 01mUnited Airlines

Mon 12/18:30 amPDX - CPR

1 stop9h 47mUnited Airlines

Deal found 11/17

$525

Best flights from Casper to Portland
Discover carefully curated flight deals from Casper to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 17, 2025.

Wed 1/145:30 amCPR - PDX

1 stop9h 15mUnited Airlines

Tue 1/208:30 amPDX - CPR

1 stop7h 24mUnited Airlines

Deal found 11/15

$308

Mon 11/241:25 pmCPR - PDX

1 stop9h 01mUnited Airlines

Mon 12/18:30 amPDX - CPR

1 stop9h 47mUnited Airlines

Deal found 11/17

$525

Last-minute flights from Casper to Portland
Discover last-minute flight deals from Casper to Portland. Data last updated November 17, 2025 and is based on user searches.

Mon 11/241:25 pmCPR - PDX

1 stop9h 01mUnited Airlines

Mon 12/18:30 amPDX - CPR

1 stop9h 47mUnited Airlines

Deal found 11/17

$525

Fly from

Fly to

Route

Depart

Return

Price

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 1/14

5:30 am-1:45 pm

1 stop9h 15m

Portland

Tue 1/20

8:30 am-4:54 pm

1 stop7h 24m

$308

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Mon 11/24

1:25 pm-9:26 pm

1 stop9h 01m

Portland

Mon 12/1

8:30 am-7:17 pm

1 stop9h 47m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Compare providers for flights from Casper to Portland

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Casper to Portland in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Casper-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Casper-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Casper-Portland flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Casper-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Casper-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Casper to Portland

How much does it cost to fly round-trip from Casper to Portland?

Reviews of airlines servicing Portland

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

9,015 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,015 reviews

United Airlines

7.4

Good

9,015 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Casper to Portland?
Airlines like United Airlines fly from Casper to Portland in about 9h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from Casper to Portland is about 817 mi.
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 $268. United Airlines is 27% 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.

See more FAQs

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Other flights to Portland

Top airline flying from Casper to Portland

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$268	Average$342	FlexibilityNo cancel fee	On-time69%

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$308+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Casper to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Casper to Portland

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Casper to Portland

Cheapest flights from Casper to PortlandExplore 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 November 17, 2025.

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 November 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Casper to Portland that are best for you.

Compare providers for flights from Casper to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Casper to Portland in November.

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.

Cheapflights Insights

Everything you need to know about your flight from Casper to Portland

How much does it cost to fly round-trip from Casper to Portland?

Reviews of airlines servicing Portland

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.

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.

How long is the flight from Casper to Portland?

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

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

How can I find direct flights from Casper to Portland?

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

Traveling to a place near Portland?

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.

Alternative routes for Casper to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Casper to Portland

100% Free

Book with Flexibility

Travel Smart

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 November 17, 2025.