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

Our cheapest airline available from San Jose to Casper is United Airlines. Our recent data shows that you can find tickets from as low as $394 on this airline.

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

Currently, January is the cheapest month in which you can book a flight from San Jose to Casper (average of $348). Flying from San Jose to Casper in June is currently the most expensive (average of $504). 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.

What is the cheapest day to fly from San Jose to Casper?

Travelers seeking maximum savings on their San Jose to Casper flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, 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 December, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest day to fly round-trip from San Jose to Casper?

Wednesday flights are found to be more expensive to fly from San Jose to Casper. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Casper.

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

One of the essential ways to save on airfare from San Jose to Casper is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 22% on airfare.

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.

$394+ Flights from San Jose to Casper

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Cheap flight deals from San Jose to Casper

Round-trip from	$394 (United Airlines)

From San Jose to Casper Natrona County

Search Deals

Find 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 July 29, 2025.

Wed 9/312:30 pmSJC - CPR

1 stop5h 39mUnited Airlines

Sat 9/69:10 amCPR - SJC

1 stop5h 24mUnited Airlines

Deal found 7/26

$394

Best flights from San Jose to Casper
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 July 29, 2025.

Wed 9/312:30 pmSJC - CPR

1 stop5h 39mUnited Airlines

Sat 9/69:10 amCPR - SJC

1 stop5h 24mUnited Airlines

Deal found 7/26

$394

Last-minute flights from San Jose to Casper
Discover last-minute flight deals from San Jose to Casper. Data last updated July 29, 2025 and is based on user searches.

Thu 8/77:00 amSJC - CPR

1 stop4h 39mUnited Airlines

Mon 8/115:59 pmCPR - SJC

1 stop20h 23mUnited Airlines

Deal found 7/27

$797

Mon 8/117:00 amSJC - CPR

1 stop8h 53mUnited Airlines

Thu 8/147:10 amCPR - SJC

1 stop7h 12mUnited Airlines

Deal found 7/27

$738

Fly from

Fly to

Route

Depart

Return

Price

San JoseCasper

SJC - CPR

SJCCPR

San Jose

Wed 9/3

12:30 pm-7:09 pm

1 stop5h 39m

Casper Natrona County

Sat 9/6

9:10 am-1:34 pm

1 stop5h 24m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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

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

8,896 reviews

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

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

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

What is the cheapest airline to fly from San Jose to Casper round-trip?
Our cheapest airline available from San Jose to Casper is United Airlines. Our recent data shows that you can find tickets from as low as $394 on this airline.
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.
What is the cheapest month to book a flight from San Jose to Casper?
Currently, January is the cheapest month in which you can book a flight from San Jose to Casper (average of $348). Flying from San Jose to Casper in June is currently the most expensive (average of $504). 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.

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$394+ Cheap flights from San Jose 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Jose to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Jose to Casper

Round-trip from

Find flight deals from San Jose to Casper

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 July 29, 2025.

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 July 29, 2025.

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

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.

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 July 29, 2025.

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.

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.

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

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

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

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

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

Traveling to a place near Casper?

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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 July 29, 2025.