Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Casper from $303

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Casper departing on 12/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
2:20 pm - 9:59 pmSFO  San Francisco-CPR Casper Natrona County
6h 39m1 stop Denver Intl
United Airlines Logo
1:26 pm - 5:34 pmCPR  Casper Natrona County-SFO San Francisco
5h 08m1 stop Denver Intl
$368United Airlines
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
2:24 pm - 9:59 pmSFO  San Francisco-CPR Casper Natrona County
6h 35m1 stop Denver Intl
United Airlines Logo
11:24 am - 5:34 pmCPR  Casper Natrona County-SFO San Francisco
7h 10m1 stop Denver Intl
$398United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
6:30 pm - 12:45 pmSFO  San Francisco-CPR Casper Natrona County
17h 15m2 stops Ontario Denver Intl
United Airlines Logo
5:15 am - 9:26 amCPR  Casper Natrona County-SFO San Francisco
5h 11m1 stop Denver Intl
$494United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
5:00 am - 2:46 pmSFO  San Francisco-CPR Casper Natrona County
8h 46m1 stop Denver Intl
United Airlines Logo
1:26 pm - 7:14 amCPR  Casper Natrona County-SFO San Francisco
18h 48m2 stops Denver Intl Santa Barbara
$519United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
5:00 am - 10:49 amSFO  San Francisco-CPR Casper Natrona County
4h 49m1 stop Denver Intl
United Airlines Logo
6:05 pm - 10:55 pmCPR  Casper Natrona County-SFO San Francisco
5h 50m1 stop Denver Intl
$528United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
4:30 pm - 12:45 pmSFO  San Francisco-CPR Casper Natrona County
19h 15m2 stops Bakersfield Meadows Field Denver Intl
United Airlines Logo
5:15 am - 1:05 pmCPR  Casper Natrona County-SFO San Francisco
8h 50m1 stop Denver Intl
$587United Airlines
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
10:55 pm - 10:49 amSFO  San Francisco-CPR Casper Natrona County
10h 54m2 stops Sacramento Intl Denver Intl
United Airlines Logo
5:15 am - 3:39 pmCPR  Casper Natrona County-SFO San Francisco
11h 24m2 stops Denver Intl Sacramento Intl
$787United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
4:18 pm - 9:59 pmSFO  San Francisco-CPR Casper Natrona County
4h 41m1 stop Denver Intl
United Airlines Logo
1:26 pm - 5:34 pmCPR  Casper Natrona County-SFO San Francisco
5h 08m1 stop Denver Intl
$856United Airlines
Tue, Aug 18 - Thu, Aug 20

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from San Francisco to Casper

Our best United Airlines deals on San Francisco to Casper flight tickets
United Airlines
Aug 21
SFO2:20 pmSan Francisco
6h 39m
1 stop
CPR9:59 pmCasper Natrona County
Aug 25
CPR1:26 pmCasper Natrona County
5h 08m
1 stop
SFO5:34 pmSan Francisco
$368
United Airlines
Sep 5
SFO2:24 pmSan Francisco
6h 35m
1 stop
CPR9:59 pmCasper Natrona County
Sep 9
CPR11:24 amCasper Natrona County
7h 10m
1 stop
SFO5:34 pmSan Francisco
$398
United Airlines
Sep 5
SFO6:30 pmSan Francisco
17h 15m
2 stops
CPR12:45 pmCasper Natrona County
Sep 9
CPR5:15 amCasper Natrona County
5h 11m
1 stop
SFO9:26 amSan Francisco
$494

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 August 8, 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

Cheapest round-trip

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Fri 8/21

2:20 pm-9:59 pm

1 stop6h 39m

Casper Natrona County

Tue 8/25

1:26 pm-5:34 pm

1 stop5h 08m

$368

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Sat 9/5

2:24 pm-9:59 pm

1 stop6h 35m

Casper Natrona County

Wed 9/9

11:24 am-5:34 pm

1 stop7h 10m

$398

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Sat 9/5

6:30 pm-12:45 pm

2 stops17h 15m

Casper Natrona County

Wed 9/9

5:15 am-9:26 am

1 stop5h 11m

$494

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Thu 9/3

5:00 am-2:46 pm

1 stop8h 46m

Casper Natrona County

Mon 9/7

1:26 pm-7:14 am

2 stops18h 48m

$519

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Thu 9/3

5:00 am-10:49 am

1 stop4h 49m

Casper Natrona County

Mon 9/7

6:05 pm-10:55 pm

1 stop5h 50m

$528

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Fri 8/21

4:30 pm-12:45 pm

2 stops19h 15m

Casper Natrona County

Tue 8/25

5:15 am-1:05 pm

1 stop8h 50m

$587

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Thu 9/3

10:55 pm-10:49 am

2 stops10h 54m

Casper Natrona County

Mon 9/7

5:15 am-3:39 pm

2 stops11h 24m

$787
Quickest round-trip

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Tue 8/18

4:18 pm-9:59 pm

1 stop4h 41m

Casper Natrona County

Thu 8/20

1:26 pm-5:34 pm

1 stop5h 08m

$856
Cheapest one-way

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Sun 12/6

6:30 am-12:35 pm

1 stop5h 05m

$303
Quickest one-way

San FranciscoCasper

SFO San Francisco - CPR Casper Natrona County

SFOCPR

San Francisco

Sat 9/19

8:45 am-2:46 pm

1 stop5h 01m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Casper from

How to get the cheapest flight ticket from San Francisco 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

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

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

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

6h 39m

Direct flights

None
The fastest flight from San Francisco to Casper takes 6h 39m
There are no direct flights from San Francisco to Casper. There are no popular flight routes from San Francisco to Casper.
Search flight deals

Frequently asked questions about flying from San Francisco to Casper

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

    The distance between San Francisco and Casper Natrona County is about 914.0 mi. Typically, this will take 6h 39m 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
10,086 reviews
Search United Airlines flights

Traveling to a place near Casper?

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

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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/7
Mon 9/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States