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Casper

$426+ Cheap flights from Portland to Casper (PDX - CPR)

PDX — CPR
Dec 10 — Dec 171
Thu 12/10
Thu 12/17
1 adult, Economy
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Cheap flight deals from Portland to Casper

Cheapest flights from Portland to Casper

Wed 12/91:15 pm -
1 stop4h 44m
Wed 12/236:00 pm -
1 stop6h 26m
Deal found 11/7$426
Wed 12/25:00 am -
1 stop8h 48m
Sat 12/53:24 pm -
1 stop6h 51m
Deal found 11/6$458
Fri 11/205:00 am -
1 stop4h 49m
Mon 11/233:13 pm -
1 stop7h 00m
Deal found 11/5$460
Thu 11/55:00 am -
1 stop6h 48m
Sat 11/145:15 am -
1 stop5h 21m
Deal found 11/5$463
Tue 12/85:00 am -
1 stop6h 40m
Tue 12/221:19 pm -
1 stop8h 57m
Deal found 11/7$503

Find flight deals from Portland to Casper

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$426
(United Airlines)

Popular in

November

Cheapest in

April

Average price

$719
Provider with most accurate pricing for Portland-Casper Natrona County flight deals.
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Provider most trusted by Cheapflights users for Portland-Casper Natrona County flights.
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From Portland to Casper Natrona County
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Highest demand for flights based on searches. 28% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandCasper

PDX Portland - CPR Casper Natrona County

PDXCPR

Portland

Thu 12/10

5:00 am-12:40 pm

1 stop6h 40m

Casper Natrona County

Thu 12/24

1:19 pm-6:01 pm

1 stop5h 42m

$458

PortlandCasper

PDX Portland - CPR Casper Natrona County

PDXCPR

Portland

Tue 1/19

8:40 am-5:20 pm

1 stop7h 40m

Casper Natrona County

Sat 1/23

1:24 pm-9:15 pm

1 stop8h 51m

$458
Quickest round-trip

PortlandCasper

PDX Portland - CPR Casper Natrona County

PDXCPR

Portland

Fri 11/20

5:00 am-10:49 am

1 stop4h 49m

Casper Natrona County

Mon 11/23

3:13 pm-9:13 pm

1 stop7h 00m

$460

PortlandCasper

PDX Portland - CPR Casper Natrona County

PDXCPR

Portland

Wed 12/9

7:00 am-8:42 pm

2 stops12h 42m

Casper Natrona County

Thu 12/24

10:06 am-6:01 pm

1 stop8h 55m

$464

PortlandCasper

PDX Portland - CPR Casper Natrona County

PDXCPR

Portland

Wed 12/2

5:00 am-2:48 pm

1 stop8h 48m

Casper Natrona County

Sat 12/5

5:00 am-2:38 pm

2 stops10h 38m

$464

PortlandCasper

PDX Portland - CPR Casper Natrona County

PDXCPR

Portland

Tue 2/23

5:15 am-2:38 pm

1 stop8h 23m

Casper Natrona County

Sat 2/27

10:35 am-6:33 pm

2 stops8h 58m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Sorted by cheapest first

Compare providers for flights from Portland to Casper

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Casper in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust 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 Portland-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Casper flights, Cheapflights users trust FlightHub the most. FlightHub 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 Portland-Casper 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 Portland to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Portland with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

Currently, April is the cheapest month in which you can book a flight from Portland to Casper (average of $264). Flying from Portland to Casper in November is currently the most expensive (average of $719). 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.

Reviews of airlines servicing Casper

Get a feel of what it's like to fly with United Airlines from Portland to Casper by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,475 reviews

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.3
Good
10,475 reviews
United Airlines
7.3
Good
10,475 reviews

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • How long is the flight from Portland to Casper?

    Airlines like United Airlines fly from Portland to Casper in about 6h 40m. The time it takes to get you to your destination can typically vary by up to . Portland and Casper are separated by a distance of 817 mi.

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

    United Airlines, at $258, was found to be the cheapest airline from Portland to Casper.. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Casper 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 Portland to Casper?

    Currently, April is the cheapest month in which you can book a flight from Portland to Casper (average of $264). Flying from Portland to Casper in November is currently the most expensive (average of $719). 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 Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins
Douglas

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Top airline flying from Portland to Casper

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$378FlexibilityNo cancel feeOn-time69%

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