SAN - CPR

$358 Find Cheap Flights from San Diego to Casper - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$358
Typical prices: $394-$776
United Airlines
Mon 12/3Wed 12/5
SAN - CPR • 1 stop
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Casper!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Diego to Casper (SAN-CPR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Casper

Thu, Dec 3 - Sat, Dec 5
United Airlines Logo
8:40 am - 2:48 pmSAN  San Diego-CPR Casper Natrona County
5h 08m1 stop Denver Intl
United Airlines Logo
3:24 pm - 8:41 pmCPR  Casper Natrona County-SAN San Diego
6h 17m1 stop Denver Intl
$358United Airlines
Thu, Dec 3 - Sat, Dec 5
United Airlines Logo
6:45 am - 12:40 pmSAN  San Diego-CPR Casper Natrona County
4h 55m1 stop Denver Intl
United Airlines Logo
1:21 pm - 10:27 pmCPR  Casper Natrona County-SAN San Diego
10h 06m2 stops Denver Intl San Francisco
$364United Airlines
Fri, Oct 30 - Tue, Nov 3
United Airlines Logo
8:45 am - 2:38 pmSAN  San Diego-CPR Casper Natrona County
4h 53m1 stop Denver Intl
United Airlines Logo
5:15 am - 9:10 amCPR  Casper Natrona County-SAN San Diego
4h 55m1 stop Denver Intl
$408United Airlines
Fri, Oct 30 - Tue, Nov 3
United Airlines Logo
8:45 am - 2:38 pmSAN  San Diego-CPR Casper Natrona County
4h 53m1 stop Denver Intl
United Airlines Logo
1:29 pm - 8:24 pmCPR  Casper Natrona County-SAN San Diego
7h 55m2 stops Denver Intl Los Angeles
$414United Airlines
Tue, Dec 8 - Sat, Dec 12
United Airlines Logo
8:40 am - 6:59 pmSAN  San Diego-CPR Casper Natrona County
9h 19m1 stop Denver Intl
United Airlines Logo
10:40 am - 5:15 pmCPR  Casper Natrona County-SAN San Diego
7h 35m1 stop Denver Intl
$438United Airlines
Tue, Dec 8 - Sat, Dec 12
United Airlines Logo
8:40 am - 6:59 pmSAN  San Diego-CPR Casper Natrona County
9h 19m1 stop Denver Intl
United Airlines Logo
1:21 pm - 10:27 pmCPR  Casper Natrona County-SAN San Diego
10h 06m2 stops Denver Intl San Francisco
$444United Airlines
Tue, Dec 8 - Sat, Dec 12
United Airlines Logo
6:20 am - 6:59 pmSAN  San Diego-CPR Casper Natrona County
11h 39m2 stops Los Angeles Denver Intl
United Airlines Logo
1:21 pm - 8:08 pmCPR  Casper Natrona County-SAN San Diego
7h 47m2 stops Denver Intl Los Angeles
$449United Airlines
Tue, Dec 8 - Sat, Dec 12
United Airlines Logo
8:40 am - 6:59 pmSAN  San Diego-CPR Casper Natrona County
9h 19m1 stop Denver Intl
United Airlines Logo
10:40 am - 5:15 pmCPR  Casper Natrona County-SAN San Diego
7h 35m1 stop Denver Intl
$458United Airlines
Booking Insights

Price, demand and travel trends for San Diego to Casper flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Diego to Casper?

Round-trip flights from San Diego to Casper typically range from $394 to $776. The lowest price found in the past 5 days was $358, on United Airlines.

Key details for San Diego to Casper flights

Low season

February

Cheapest flight

$358
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 9% increase in travelers.
Round-trip flight from San Diego to Casper

When to book flights from San Diego to Casper

Are your dates flexible? Find out the best times to travel from San Diego to Casper based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to Casper flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from San Diego to Casper?

    Only Economy Class is available on flights from San Diego to Casper.

  • Do I need a passport to fly from San Diego to Casper?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a San Diego to Casper flight?

    Round-trip flights from San Diego to Casper range from $394 to $776, with an average of $453 over the past 12 months. Anything below $394 counts as a good deal.

  • Have flight prices from San Diego to Casper changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $358 to $899. That means the highest observed fare was about 3x higher than the lowest one.

  • What car rental options are available at Casper Natrona County Airport (CPR)?

    Casper Natrona County Airport (CPR) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

    • Budget
    • Avis
    • Hertz
    • Enterprise Rent-A-Car
    • Alamo

  • Which airports can I use when flying from San Diego to Casper?

    Flights from San Diego to Casper usually depart from San Diego (SAN) and arrive at Casper Natrona County (CPR).

  • Which airports do connecting flights from San Diego to Casper pass through?

    Most connecting flights from San Diego to Casper pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from San Diego to Casper?

    Yes. Flexible dates can save you up to 50% on flights from San Diego to Casper. Thursday is the cheapest departure day at $394 round-trip on average, while Wednesday is the most expensive at $776, a difference of $382.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between San Diego and Casper?

    Casper is 1 hour ahead of San Diego (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking San Diego to Casper flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Wednesday. On this route, Thursday flights average $394, about $382 less than Wednesday fares (49% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Diego to Casper trip for May. Fares historically average $394 round-trip in that month - typically $594 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from San Diego to Casper

Complete your trip to Casper with a hotel stay or car rental