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$273+ Cheap flights from San Jose, CA to Casper (SJC - CPR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — CPR
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap flight deals from San Jose to Casper

Cheapest flights from San Jose to Casper
Explore the most affordable flight options available from San Jose to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2026.

This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/218:45 am
SJC
-
CPR
1 stop9h 14m
United Airlines
Sat 4/253:14 pm
CPR
-
SJC
1 stop6h 53m
United Airlines
Deal found 3/16$388
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/38:45 am
SJC
-
CPR
1 stop4h 54m
United Airlines
Tue 4/79:05 am
CPR
-
SJC
1 stop5h 30m
United Airlines
Deal found 3/19$491
This United Airlines deal was found by Cheapflights users on 3/18. 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 5/12:46 pm
SJC
-
CPR
1 stop6h 24m
United Airlines
Sun 5/179:00 am
CPR
-
SJC
1 stop9h 23m
United Airlines
Deal found 3/18$671
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Mon 4/208:45 am
SJC
-
CPR
1 stop9h 14m
United Airlines
Fri 4/245:25 am
CPR
-
SJC
1 stop9h 10m
United Airlines
Deal found 3/16$716

Find flight deals from San Jose to Casper

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Casper (CPR). 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 March 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$388
(United Airlines)

One-way from

$273
(United Airlines)
Provider with most accurate pricing for San Jose-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Casper Natrona County flights.
Search Deals
From San Jose to Casper Natrona County
Search Deals
One-way flight from San Jose to Casper Natrona County
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Casper 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 March 21, 2026.
Use the filters below to find and compare flights from San Jose to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseCasper

SJC - CPR

SJCCPR

San Jose

Tue 4/21

8:45 am-6:59 pm

1 stop9h 14m

Casper Natrona County

Sat 4/25

3:14 pm-9:07 pm

1 stop6h 53m

$388
Quickest round-trip

San JoseCasper

SJC - CPR

SJCCPR

San Jose

Fri 5/1

2:46 pm-10:10 pm

1 stop6h 24m

Casper Natrona County

Mon 5/18

1:17 pm-9:32 pm

1 stop9h 15m

$671

San JoseCasper

SJC - CPR

SJCCPR

San Jose

Mon 4/20

8:45 am-6:59 pm

1 stop9h 14m

Casper Natrona County

Fri 4/24

5:25 am-1:35 pm

1 stop9h 10m

$716
Cheapest one-way
Quickest one-way

San JoseCasper

SJC - CPR

SJCCPR

San Jose

Sun 4/26

3:45 pm-10:07 pm

1 stop5h 22m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Sorted by cheapest first

Compare providers for flights from San Jose to Casper

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 San Jose to Casper in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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 San Jose, California-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-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 San Jose, California-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 San Jose to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from San Jose 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 Casper

Get insights into the airlines that provide service to Casper. 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 Casper. Reviews last updated March 21, 2026.
Read reviews from past customers who have flown United Airlines from San Jose to Casper. 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
9,452 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
9,452 reviews
United Airlines
7.4
Good
9,452 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Casper. 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 San Jose, California to Casper?

    United Airlines can get you from San Jose, California to Casper in just under 9h 14m. Your travel time can differ by up to . San Jose, California and Casper are separated by a distance of 900 mi.

  • What is the cheapest airline to fly from San Jose, California to Casper round-trip?

    United Airlines, at $283, was found to be the cheapest airline from San Jose, California to Casper..

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

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

  • How can I find direct flights from San Jose to Casper?

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

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

    Yes. Cheapflights offers flight deals from San Jose 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.

See more FAQs

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Top airline flying from San Jose to Casper

Discover the top airline that operate flights from San Jose to Casper. 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 March 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$283Average$383FlexibilityNo cancel feeOn-time69%

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