$544+ Cheap flights from San Jose, CA to Casper (SJC - CPR)
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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — CPR
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Jose to Casper
Cheapest
Best
Last-minute
Cheapest flights from San Jose to CasperExplore 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 May 5, 2026.
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 May 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 5/218:45 am
SJC
- CPR
1 stop9h 30m
United Airlines
Sun 5/2411:21 am
CPR
- SJC
1 stop7h 10m
United Airlines
Deal found 5/4![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/178:45 am
SJC
- CPR
1 stop9h 30m
United Airlines
Wed 6/246:13 pm
CPR
- SJC
1 stop24h 22m
United Airlines
Deal found 4/30![United Airlines logo]()
$779
Best flights from San Jose to CasperDiscover carefully curated flight deals from San Jose to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from San Jose to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 5/218:45 am
SJC
- CPR
1 stop9h 30m
United Airlines
Sun 5/2411:21 am
CPR
- SJC
1 stop7h 10m
United Airlines
Deal found 5/4![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/178:45 am
SJC
- CPR
1 stop9h 30m
United Airlines
Wed 6/246:13 pm
CPR
- SJC
1 stop24h 22m
United Airlines
Deal found 4/30![United Airlines logo]()
$779
Last-minute flights from San Jose to CasperDiscover last-minute flight deals from San Jose to Casper. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Casper. Data last updated May 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 5/218:45 am
SJC
- CPR
1 stop9h 30m
United Airlines
Sun 5/2411:21 am
CPR
- SJC
1 stop7h 10m
United Airlines
Deal found 5/4![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/178:45 am
SJC
- CPR
1 stop9h 30m
United Airlines
Wed 6/246:13 pm
CPR
- SJC
1 stop24h 22m
United Airlines
Deal found 4/30![United Airlines logo]()
$779
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $544 (United Airlines) |
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 May 5, 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
Cheapest round-trip
Quickest round-trip
San JoseCasper
SJC - CPR
SJCCPR
San Jose
Thu 5/21
8:45 am-7:15 pm
1 stop9h 30m
Casper Natrona County
Sun 5/24
11:21 am-5:31 pm
1 stop7h 10m
$544
San JoseCasper
SJC - CPR
SJCCPR
San Jose
Wed 6/17
8:45 am-7:15 pm
1 stop9h 30m
Casper Natrona County
Wed 6/24
6:13 pm-5:35 pm
1 stop24h 22m
$779
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
SJC-CPR
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 May 5, 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.
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
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.
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Other flights to Casper
Explore flights to Casper departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 5, 2026.
Complete your trip
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San Jose and Casper flights
Browse other San Jose and Casper flight options. Last updated on May 5, 2026.
Other flights from San Jose
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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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$283 | Average$383 | FlexibilityNo cancel fee | On-time69% |