$359+ Cheap flights from San Diego to Casper (SAN - 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CPR
Jun 17 — Jun 241
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 Diego to Casper
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 June 12, 2025.
Round-trip from | $359 (United Airlines) |
|---|---|
Popular in | July |
Cheapest in | February |
Average price | $358 |
Find flight deals from San Diego to Casper
Cheapest flights from San Diego to CasperExplore the most affordable flight options available from San Diego to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from San Diego to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/176:45 amSAN - CPR
1 stop9h 08mUnited Airlines
Tue 10/217:16 amCPR - SAN
1 stop8h 43mUnited Airlines
Deal found 6/11![United Airlines logo]()
$359
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 June 12, 2025.
Use the filters below to find and compare flights from San Diego to Casper that are best for you.
Fly from
San Diego
Fly to
Casper
Route
Depart
Return
Price
San DiegoCasper
SAN - CPR
SANCPR
San Diego
Fri 10/17
6:45 am-4:53 pm
1 stop9h 08m
Casper Natrona County
Tue 10/21
7:16 am-2:59 pm
1 stop8h 43m
$359
Best time to book a flight from San Diego to Casper
Have a flexible travel schedule? Discover the best time to fly to Casper from San Diego 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 San Diego to Casper
What is the cheapest month to book a flight from San Diego to Casper?
Currently, January is the cheapest month in which you can book a flight from San Diego to Casper (average of $348). Flying from San Diego to Casper in June is currently the most expensive (average of $505). 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.
Rainfall in Casper by month
Plan your trip to Casper by taking into account the average rainfall totals by month.
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.
Temperature in Casper by month
Plan your trip to Casper by taking into account the average temperature totals by month.
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).
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 June 12, 2025.
Boarding
7.7
Food
6.6
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Boarding
7.7
Food
6.6
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.0
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 Diego to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsRawlins
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Alternative routes for San Diego to Casper
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from San Diego to Casper
Discover the top airline that operate flights from San Diego 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$272 | Average$388 | FlexibilityNo cancel fee | On-time69% |