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$278+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CPR
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(United Airlines)

Popular in

July

Cheapest in

April

Average price

$438
Provider with most accurate pricing for San Diego-Casper Natrona County flight deals.
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Provider most trusted by Cheapflights users for San Diego-Casper Natrona County flights.
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From San Diego to Casper Natrona County
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Diego to Casper

Cheapest flights from San Diego to Casper
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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/117:09 amSAN - CPR
1 stop6h 26mUnited Airlines
Tue 4/155:25 amCPR - SAN
1 stop4h 59mUnited Airlines
Deal found 3/27$278

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 March 28, 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 4/11

7:09 am-2:35 pm

1 stop6h 26m

Casper Natrona County

Tue 4/15

5:25 am-9:24 am

1 stop4h 59m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

  • Most accurate provider: When it comes to deals on San Diego-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-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 Diego-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 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

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 March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.4

Comfort

7.3

Boarding

7.7

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
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.4

Comfort

7.3

Boarding

7.7

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 Diego 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 Diego to Casper round-trip?

    Our cheapest airline available from San Diego to Casper is United Airlines. Our recent data shows that you can find tickets from as low as $278 on this airline. This flight start at 32% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 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 $552). 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Rawlins
Douglas

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$428FlexibilityNo cancel feeOn-time69%
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