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Cheap flights from San Francisco to Casper from $338

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Casper departing on 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Francisco to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 12:42 pm
SFO
-
CPR
5h 27m
1 stop
United Airlines Logo
6:13 pm - 10:56 pm
CPR
-
SFO
5h 43m
1 stop
$338United Airlines
Sat, May 23 - Sat, May 30
United Airlines Logo
5:00 am - 10:46 am
SFO
-
CPR
4h 46m
1 stop
United Airlines Logo
6:13 pm - 10:56 pm
CPR
-
SFO
5h 43m
1 stop
$352United Airlines
Fri, May 22 - Thu, May 28
United Airlines Logo
6:00 am - 12:50 pm
SFO
-
CPR
5h 50m
1 stop
United Airlines Logo
5:55 pm - 10:47 pm
CPR
-
SFO
5h 52m
1 stop
$353United Airlines
Mon, Mar 16 - Thu, Mar 26
United Airlines Logo
2:45 pm - 8:36 pm
SFO
-
CPR
4h 51m
1 stop
United Airlines Logo
3:15 pm - 10:47 pm
CPR
-
SFO
8h 32m
1 stop
$389United Airlines
Sat, Mar 14 - Wed, Mar 18
United Airlines Logo
5:00 am - 12:46 pm
SFO
-
CPR
6h 46m
1 stop
United Airlines Logo
9:05 am - 8:05 pm
CPR
-
SFO
12h 00m
2 stops
$396United Airlines
Thu, Apr 23 - Sat, Apr 25
United Airlines Logo
2:27 pm - 10:10 pm
SFO
-
CPR
6h 43m
1 stop
United Airlines Logo
5:25 am - 9:35 am
CPR
-
SFO
5h 10m
1 stop
$398United Airlines
Tue, May 5 - Mon, May 11
United Airlines Logo
10:48 pm - 10:46 am
SFO
-
CPR
10h 58m
2 stops
United Airlines Logo
6:13 pm - 10:56 pm
CPR
-
SFO
5h 43m
1 stop
$432United Airlines
Sat, May 23 - Sat, May 30
United Airlines Logo
7:56 pm - 8:51 am
SFO
-
CPR
11h 55m
1 stop
United Airlines Logo
6:13 pm - 10:56 pm
CPR
-
SFO
5h 43m
1 stop
$461United Airlines
Sat, Jun 27 - Fri, Jul 3
United Airlines Logo
6:14 am - 2:40 pm
SFO
-
CPR
7h 26m
1 stop
United Airlines Logo
1:21 pm - 7:50 pm
CPR
-
SFO
7h 29m
1 stop
$482United Airlines
Sat, Mar 21 - Wed, Apr 1
United Airlines Logo
2:20 pm - 9:59 pm
SFO
-
CPR
6h 39m
1 stop
United Airlines Logo
5:15 am - 9:18 am
CPR
-
SFO
5h 03m
1 stop
$509United Airlines
Wed, May 27 - Sun, Jun 7

United Airlines flights from San Francisco to Casper

Our best United Airlines deals on San Francisco to Casper flight tickets
United Airlines
May 23
SFO6:15 amSan Francisco
5h 27m
1 stop
CPR12:42 pmCasper Natrona County
May 30
CPR6:13 pmCasper Natrona County
5h 43m
1 stop
SFO10:56 pmSan Francisco
$338
United Airlines
May 22
SFO5:00 amSan Francisco
4h 46m
1 stop
CPR10:46 amCasper Natrona County
May 28
CPR6:13 pmCasper Natrona County
5h 43m
1 stop
SFO10:56 pmSan Francisco
$352
United Airlines
Mar 16
SFO6:00 amSan Francisco
5h 50m
1 stop
CPR12:50 pmCasper Natrona County
Mar 26
CPR5:55 pmCasper Natrona County
5h 52m
1 stop
SFO10:47 pmSan Francisco
$353

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco 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, momondo users made 832,500 searches. Data last updated March 2, 2026.
Use the filters below to find and compare flights from San Francisco to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sat 5/23

6:15 am-12:42 pm

1 stop5h 27m

Casper Natrona County

Sat 5/30

6:13 pm-10:56 pm

1 stop5h 43m

$338

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 5/22

5:00 am-10:46 am

1 stop4h 46m

Casper Natrona County

Thu 5/28

6:13 pm-10:56 pm

1 stop5h 43m

$352

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Mon 3/16

6:00 am-12:50 pm

1 stop5h 50m

Casper Natrona County

Thu 3/26

5:55 pm-10:47 pm

1 stop5h 52m

$353

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sat 3/14

2:45 pm-8:36 pm

1 stop4h 51m

Casper Natrona County

Wed 3/18

3:15 pm-10:47 pm

1 stop8h 32m

$389

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Thu 4/23

5:00 am-12:46 pm

1 stop6h 46m

Casper Natrona County

Sat 4/25

9:05 am-8:05 pm

2 stops12h 00m

$396

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 5/5

2:27 pm-10:10 pm

1 stop6h 43m

Casper Natrona County

Mon 5/11

5:25 am-9:35 am

1 stop5h 10m

$398

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sat 5/23

10:48 pm-10:46 am

2 stops10h 58m

Casper Natrona County

Sat 5/30

6:13 pm-10:56 pm

1 stop5h 43m

$432

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sat 6/27

7:56 pm-8:51 am

1 stop11h 55m

Casper Natrona County

Fri 7/3

6:13 pm-10:56 pm

1 stop5h 43m

$461

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sat 3/21

6:14 am-2:40 pm

1 stop7h 26m

Casper Natrona County

Wed 4/1

1:21 pm-7:50 pm

1 stop7h 29m

$482

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Wed 5/27

2:20 pm-9:59 pm

1 stop6h 39m

Casper Natrona County

Sun 6/7

5:15 am-9:18 am

1 stop5h 03m

$509

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from San Francisco to Casper

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Casper according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Casper (SFO to CPR) flight deals and tips

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

Fastest flight time

5h 27m

Direct flights

None
The fastest flight from San Francisco to Casper takes 5h 27m
There are no direct flights from San Francisco to Casper. There are no popular flight routes from San Francisco to Casper.
Search flight deals

  • How far is San Francisco to Casper Natrona County by plane?

    The distance between San Francisco and Casper Natrona County is about 914.2 mi. Typically, this will take 5h 27m by plane in normal conditions.

  • When did momondo last update prices for flights from San Francisco Airport to Casper Natrona County Airport?

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

  • How many operators does momondo search for flights from San Francisco Airport to Casper Natrona County Airport?

  • How old do you have to be to fly from San Francisco Airport to Casper Natrona County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Casper Natrona County Airport.

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

    The travel and health documents required for your trip to Casper Natrona County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Casper Natrona County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Casper?

Best airlines flying from San Francisco to Casper

Compare and see reviews for airlines that fly from San Francisco to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,375 reviews
Search United Airlines flights

  • How do I get Price Alerts for flights from San Francisco to Casper?

    Price Alerts will notify you by email when the price for flights to Casper from San Francisco decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from San Francisco to Casper with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins
Evansville
Douglas

Why use momondo?

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

It is quick and easy to find San Francisco to Casper flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Casper that suits you.

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

Yes. All flights to Casper from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Casper?

Once you have performed a search for San Francisco to Casper flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Casper, momondo offers a useful price alert feature which will track prices for flights to Casper from San Francisco and alert you when they change.

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