$350+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CPR
Aug 3 — Aug 101
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 July 29, 2025.
Round-trip from | $350 (United Airlines) |
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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 July 29, 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 July 29, 2025.
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/126:45 amSAN - CPR
1 stop6h 55mUnited Airlines
Sat 8/165:59 pmCPR - SAN
1 stop5h 15mUnited Airlines
Deal found 7/27![United Airlines logo]()
$350
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 July 29, 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
Tue 8/12
6:45 am-2:40 pm
1 stop6h 55m
Casper Natrona County
Sat 8/16
5:59 pm-10:14 pm
1 stop5h 15m
$350
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 $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.
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 through reviews of airlines operating flights from San Diego to Casper, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
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 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 Casper?
Book flights to Casper if you plan to visit one of these locationsRawlins
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Alternative routes for San Diego to Casper
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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 July 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$438 | FlexibilityNo cancel fee | On-time69% |