What is the cheapest airline that flies from California to Casper Natrona County?

United Airlines is the most popular carrier operating from California to Casper Natrona County

How long does it take to fly to Casper?

The flight from California to Casper depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from San Diego (a popular airport in California) to Casper (the most popular airport in Casper), then the flight time is 4h 31m on average. If you fly from Santa Ana (another popular airport in California) to Casper, then the average flight time is 4h 44m.

When did momondo last update prices for flights from California to Casper Natrona County Airport?

Prices for flights from California to Casper Natrona County Airport are updated daily.

How many operators does momondo search for flights from California to Casper Natrona County Airport?

The number of operators available for flights from California to Casper Natrona County Airport is 1 as of September 2026.

How old do you have to be to fly from California to Casper Natrona County Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Casper Natrona County Airport.

What documentation or ID do you need to fly to Casper Natrona County Airport?

The required travel and health documents for your Casper Natrona County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Casper Natrona County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$278 Cheap Flights from California to Casper in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Casper

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:32 pm - 6:53 pmONT Ontario-CPR Casper Natrona County

4h 21m1 stop Denver Intl

3:13 pm - 8:51 pmCPR Casper Natrona County-ONT Ontario

6h 38m1 stop Denver Intl

$328United Airlines

Fri, Nov 13 - Sun, Nov 15

7:00 am - 2:36 pmLAX Los Angeles-CPR Casper Natrona County

6h 36m1 stop Denver Intl

3:13 pm - 7:28 pmCPR Casper Natrona County-LAX Los Angeles

5h 15m1 stop Denver Intl

$328United Airlines

Thu, Oct 22 - Thu, Oct 29

5:00 am - 10:49 amONT Ontario-CPR Casper Natrona County

4h 49m1 stop Denver Intl

5:15 am - 12:29 pmCPR Casper Natrona County-ONT Ontario

8h 14m2 stops Denver Intl San Francisco

$334United Airlines

Fri, Nov 13 - Sun, Nov 15

4:05 pm - 9:59 pmSNA Santa Ana J. Wayne/Orange Cnty-CPR Casper Natrona County

4h 54m1 stop Denver Intl

7:00 am - 2:14 pmCPR Casper Natrona County-SNA Santa Ana J. Wayne/Orange Cnty

8h 14m2 stops Denver Intl San Francisco

$334United Airlines

Tue, Oct 27 - Thu, Nov 12

7:00 am - 12:39 pmSAN San Diego-CPR Casper Natrona County

4h 39m1 stop Denver Intl

5:15 am - 9:10 amCPR Casper Natrona County-SAN San Diego

4h 55m1 stop Denver Intl

$338United Airlines

Fri, Oct 23 - Fri, Oct 30

4:15 pm - 10:04 pmLAX Los Angeles-CPR Casper Natrona County

4h 49m1 stop Denver Intl

1:20 pm - 7:14 pmCPR Casper Natrona County-LAX Los Angeles

6h 54m1 stop Denver Intl

$343United Airlines

Fri, Oct 16 - Tue, Oct 20

5:00 am - 10:48 amSMF Sacramento Intl-CPR Casper Natrona County

4h 48m1 stop Denver Intl

6:00 pm - 9:59 pmCPR Casper Natrona County-SMF Sacramento Intl

4h 59m1 stop Denver Intl

$343United Airlines

Tue, Oct 13 - Fri, Oct 23

2:24 pm - 10:04 pmSAN San Diego-CPR Casper Natrona County

6h 40m2 stops Los Angeles Denver Intl

5:15 am - 9:10 amCPR Casper Natrona County-SAN San Diego

4h 55m1 stop Denver Intl

$344United Airlines

Fri, Oct 23 - Fri, Oct 30

5:00 am - 10:48 amLAX Los Angeles-CPR Casper Natrona County

4h 48m1 stop Denver Intl

6:00 pm - 10:50 pmCPR Casper Natrona County-LAX Los Angeles

5h 50m1 stop Denver Intl

$358United Airlines

Wed, Oct 14 - Sun, Oct 18

4:15 pm - 10:04 pmLAX Los Angeles-CPR Casper Natrona County

4h 49m1 stop Denver Intl

1:20 pm - 5:47 pmCPR Casper Natrona County-LAX Los Angeles

5h 27m1 stop Denver Intl

$358United Airlines

Sat, Oct 10 - Wed, Oct 14

Cheap last minute flights

Enter your travel dates to find the best prices.

12:55 pm - 6:54 pmLAX Los Angeles-CPR Casper Natrona County

4h 59m1 stop Denver Intl

3:11 pm - 10:50 pmCPR Casper Natrona County-LAX Los Angeles

8h 39m1 stop Denver Intl

$488United Airlines

Sat, Oct 3 - Mon, Oct 12

8:45 am - 5:03 pmLAX Los Angeles-CPR Casper Natrona County

7h 18m1 stop Denver Intl

3:11 pm - 10:50 pmCPR Casper Natrona County-LAX Los Angeles

8h 39m1 stop Denver Intl

$503United Airlines

Sat, Oct 3 - Mon, Oct 12

12:55 pm - 8:17 pmSBA Santa Barbara-CPR Casper Natrona County

6h 22m1 stop Denver Intl

5:15 am - 1:02 pmCPR Casper Natrona County-SBA Santa Barbara

8h 47m1 stop Denver Intl

$533United Airlines

Sat, Oct 3 - Mon, Oct 12

6:15 am - 5:03 pmSBA Santa Barbara-CPR Casper Natrona County

9h 48m2 stops San Francisco Denver Intl

3:11 pm - 9:10 pmCPR Casper Natrona County-SBA Santa Barbara

6h 59m1 stop Denver Intl

$539United Airlines

Sat, Oct 3 - Mon, Oct 12

6:22 am - 6:54 pmSBA Santa Barbara-CPR Casper Natrona County

11h 32m2 stops Los Angeles Denver Intl

5:15 am - 1:42 pmCPR Casper Natrona County-SBA Santa Barbara

9h 27m2 stops Denver Intl Los Angeles

$544United Airlines

Sat, Oct 3 - Mon, Oct 12

12:55 pm - 8:17 pmSBA Santa Barbara-CPR Casper Natrona County

6h 22m1 stop Denver Intl

5:15 am - 1:02 pmCPR Casper Natrona County-SBA Santa Barbara

8h 47m1 stop Denver Intl

$588United Airlines

Sat, Oct 3 - Mon, Oct 12

6:15 am - 5:03 pmSBA Santa Barbara-CPR Casper Natrona County

9h 48m2 stops San Francisco Denver Intl

3:11 pm - 9:10 pmCPR Casper Natrona County-SBA Santa Barbara

6h 59m1 stop Denver Intl

$594United Airlines

Sat, Oct 3 - Mon, Oct 12

6:15 am - 6:54 pmSBA Santa Barbara-CPR Casper Natrona County

11h 39m2 stops San Francisco Denver Intl

1:20 pm - 9:56 pmCPR Casper Natrona County-SBA Santa Barbara

9h 36m2 stops Denver Intl Los Angeles

$599United Airlines

Sat, Oct 3 - Mon, Oct 12

8:45 am - 6:54 pmSJC San Jose-CPR Casper Natrona County

9h 09m1 stop Denver Intl

1:20 pm - 8:48 pmCPR Casper Natrona County-SJC San Jose

8h 28m1 stop Denver Intl

$846United Airlines

Tue, Oct 6 - Wed, Oct 7

1:00 pm - 10:04 pmSJC San Jose-CPR Casper Natrona County

8h 04m1 stop Denver Intl

11:23 am - 10:42 pmCPR Casper Natrona County-SJC San Jose

12h 19m2 stops Denver Intl Chicago O'Hare Intl

$1,405United Airlines

Tue, Oct 6 - Wed, Oct 7

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United Airlines flights from California to Casper

Our best United Airlines deals on California to Casper flight tickets

United Airlines

Oct 22

LAX7:00 amLos Angeles

6h 36m

1 stop

CPR2:36 pmCasper Natrona County

Oct 29

CPR3:13 pmCasper Natrona County

5h 15m

1 stop

LAX7:28 pmLos Angeles

$328

United Airlines

Oct 27

SNA4:05 pmSanta Ana J. Wayne/Orange Cnty

4h 54m

1 stop

CPR9:59 pmCasper Natrona County

Nov 12

CPR7:00 amCasper Natrona County

8h 14m

2 stops

SNA2:14 pmSanta Ana J. Wayne/Orange Cnty

$334

United Airlines

Oct 23

SAN7:00 amSan Diego

4h 39m

1 stop

CPR12:39 pmCasper Natrona County

Oct 30

CPR5:15 amCasper Natrona County

4h 55m

1 stop

SAN9:10 amSan Diego

$338

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCasper

ONT Ontario - CPR Casper Natrona County

ONTCPR

Ontario

Fri 11/13

1:32 pm-6:53 pm

1 stop4h 21m

Casper Natrona County

Sun 11/15

3:13 pm-8:51 pm

1 stop6h 38m

$328

Los AngelesCasper

LAX Los Angeles - CPR Casper Natrona County

LAXCPR

Los Angeles

Thu 10/22

7:00 am-2:36 pm

1 stop6h 36m

Casper Natrona County

Thu 10/29

3:13 pm-7:28 pm

1 stop5h 15m

$328

OntarioCasper

ONT Ontario - CPR Casper Natrona County

ONTCPR

Ontario

Fri 11/13

5:00 am-10:49 am

1 stop4h 49m

Casper Natrona County

Sun 11/15

5:15 am-12:29 pm

2 stops8h 14m

$334

Santa AnaCasper

SNA Santa Ana J. Wayne/Orange Cnty - CPR Casper Natrona County

SNACPR

Santa Ana J. Wayne/Orange Cnty

Tue 10/27

4:05 pm-9:59 pm

1 stop4h 54m

Casper Natrona County

Thu 11/12

7:00 am-2:14 pm

2 stops8h 14m

$334

Quickest round-trip

San DiegoCasper

SAN San Diego - CPR Casper Natrona County

SANCPR

San Diego

Fri 10/23

7:00 am-12:39 pm

1 stop4h 39m

Casper Natrona County

Fri 10/30

5:15 am-9:10 am

1 stop4h 55m

$338

Los AngelesCasper

LAX Los Angeles - CPR Casper Natrona County

LAXCPR

Los Angeles

Fri 10/16

4:15 pm-10:04 pm

1 stop4h 49m

Casper Natrona County

Tue 10/20

1:20 pm-7:14 pm

1 stop6h 54m

$343

SacramentoCasper

SMF Sacramento Intl - CPR Casper Natrona County

SMFCPR

Sacramento Intl

Tue 10/13

5:00 am-10:48 am

1 stop4h 48m

Casper Natrona County

Fri 10/23

6:00 pm-9:59 pm

1 stop4h 59m

$343

San DiegoCasper

SAN San Diego - CPR Casper Natrona County

SANCPR

San Diego

Fri 10/23

2:24 pm-10:04 pm

2 stops6h 40m

Casper Natrona County

Fri 10/30

5:15 am-9:10 am

1 stop4h 55m

$344

Los AngelesCasper

LAX Los Angeles - CPR Casper Natrona County

LAXCPR

Los Angeles

Wed 10/14

5:00 am-10:48 am

1 stop4h 48m

Casper Natrona County

Sun 10/18

6:00 pm-10:50 pm

1 stop5h 50m

$358

Los AngelesCasper

LAX Los Angeles - CPR Casper Natrona County

LAXCPR

Los Angeles

Sat 10/10

4:15 pm-10:04 pm

1 stop4h 49m

Casper Natrona County

Wed 10/14

1:20 pm-5:47 pm

1 stop5h 27m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Casper

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Casper?

In general, November is the cheapest month to fly from California to Casper. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $254. If you aren’t able to travel during the month of November, then book flights to Casper from California during March instead. Flights to Casper in March, while not as cheap as those in November, still average around $258.

Cheap California to Casper flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Casper

Best Price Found	$278
Fastest flight time	4h 25m
Direct flights	None

The best one-way flight to Casper from California in the past 72 hours is $278. The best round-trip flight deal from California to Casper found on momondo in the last 72 hours is $328.

The fastest flight from California to Casper takes 4h 25m

There are no direct flights from California to Casper. There are no popular flight routes from California to Casper.

Search flight deals

Frequently asked questions about flying from California to Casper

When did momondo last update prices for flights from California to Casper Natrona County Airport?
Prices for flights from California to Casper Natrona County Airport are updated daily.
How many operators does momondo search for flights from California to Casper Natrona County Airport?
The number of operators available for flights from California to Casper Natrona County Airport is 1 as of September 2026.
How old do you have to be to fly from California to Casper Natrona County Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Casper Natrona County Airport.
What documentation or ID do you need to fly to Casper Natrona County Airport?
The required travel and health documents for your Casper Natrona County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Casper Natrona County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Casper

Compare and see reviews for airlines that fly from California to Casper with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $121	Free Cancellation	Rating 7.4 10,261 reviews		Search United Airlines flights

Douglas

Rawlins

Evansville

Why use momondo?

Why should I use momondo to find a flight deal from California to Casper?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Casper. momondo saves you time and could save you money on your trip.

Can I find flights from California to Casper with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for California to Casper flights to just show those with flexible booking policies.

How can momondo help me find flights from California to Casper?

momondo provides multiple filters to help you find the best flight to Casper from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from California to Casper right now. Can momondo alert me if prices change?

Price alerts on flights to Casper from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Worland Airport

Cheap flights from California to Casper from $278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Casper departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from California to Casper

What is the cheapest month to fly to Casper?

What is the cheapest airline that flies from California to Casper Natrona County?

How long does it take to fly to Casper?

Cheap California to Casper flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Casper

Best airlines flying from California to Casper

Compare and see reviews for airlines that fly from California to Casper with momondo

Traveling to a place near Casper?

Why use momondo?

An easier way to manage your Casper trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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Find better results for your trip to the United States

Airports servicing Wyoming

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Casper

List of cabin classes available on flights landing in Casper. Availability may vary depending on flight origin and airline.

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