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Cheap flights from San Francisco to Casper from $371

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 10/13. 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
5:00 am - 12:45 pm
SFO
-
CPR
6h 45m
1 stop
United Airlines Logo
5:15 am - 9:21 am
CPR
-
SFO
5h 06m
1 stop
$371United Airlines
Tue, Oct 13 - Thu, Oct 22
United Airlines Logo
6:16 am - 5:04 pm
SFO
-
CPR
9h 48m
1 stop
United Airlines Logo
7:00 am - 3:12 pm
CPR
-
SFO
9h 12m
1 stop
$388United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
5:00 am - 10:49 am
SFO
-
CPR
4h 49m
1 stop
United Airlines Logo
8:45 am - 3:14 pm
CPR
-
SFO
7h 29m
1 stop
$435United Airlines
Fri, Sep 4 - Sun, Sep 6
United Airlines Logo
6:41 pm - 10:53 am
SFO
-
CPR
15h 12m
2 stops
United Airlines Logo
7:00 am - 11:43 am
CPR
-
SFO
5h 43m
1 stop
$467United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
5:00 am - 10:49 am
SFO
-
CPR
4h 49m
1 stop
United Airlines Logo
5:15 am - 11:23 am
CPR
-
SFO
7h 08m
1 stop
$468United Airlines
Tue, Aug 18 - Tue, Aug 25
United Airlines Logo
5:00 am - 12:42 pm
SFO
-
CPR
6h 42m
1 stop
United Airlines Logo
6:13 pm - 10:56 pm
CPR
-
SFO
5h 43m
1 stop
$576United Airlines
Thu, Jul 23 - Mon, Jul 27
United Airlines Logo
2:08 pm - 9:59 pm
SFO
-
CPR
6h 51m
2 stops
United Airlines Logo
7:05 am - 11:23 am
CPR
-
SFO
5h 18m
1 stop
$731United Airlines
Fri, Sep 4 - Sun, Sep 6
United Airlines Logo
9:22 am - 5:03 pm
SFO
-
CPR
6h 41m
2 stops
United Airlines Logo
11:23 am - 3:35 pm
CPR
-
SFO
5h 12m
1 stop
$746United Airlines
Tue, Oct 13 - Thu, Oct 22
United Airlines Logo
5:00 am - 10:46 am
SFO
-
CPR
4h 46m
1 stop
United Airlines Logo
3:15 pm - 9:10 pm
CPR
-
SFO
6h 55m
2 stops
$928United Airlines
Thu, Jul 23 - Mon, Jul 27
United Airlines Logo
12:45 pm - 9:59 pm
SFO
-
CPR
8h 14m
2 stops
United Airlines Logo
5:15 am - 11:23 am
CPR
-
SFO
7h 08m
1 stop
$1,217United Airlines
Tue, Aug 18 - Tue, Aug 25

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United Airlines flights from San Francisco to Casper

Our best United Airlines deals on San Francisco to Casper flight tickets
United Airlines
Oct 13
SFO5:00 amSan Francisco
6h 45m
1 stop
CPR12:45 pmCasper Natrona County
Oct 22
CPR5:15 amCasper Natrona County
5h 06m
1 stop
SFO9:21 amSan Francisco
$371
United Airlines
Nov 3
SFO6:16 amSan Francisco
9h 48m
1 stop
CPR5:04 pmCasper Natrona County
Nov 7
CPR7:00 amCasper Natrona County
9h 12m
1 stop
SFO3:12 pmSan Francisco
$388
United Airlines
Sep 4
SFO5:00 amSan Francisco
4h 49m
1 stop
CPR10:49 amCasper Natrona County
Sep 6
CPR8:45 amCasper Natrona County
7h 29m
1 stop
SFO3:14 pmSan Francisco
$435

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 July 1, 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 - CPR

SFOCPR

San Francisco

Tue 10/13

5:00 am-12:45 pm

1 stop6h 45m

Casper Natrona County

Thu 10/22

5:15 am-9:21 am

1 stop5h 06m

$371

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 11/3

6:16 am-5:04 pm

1 stop9h 48m

Casper Natrona County

Sat 11/7

7:00 am-3:12 pm

1 stop9h 12m

$388

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 9/4

5:00 am-10:49 am

1 stop4h 49m

Casper Natrona County

Sun 9/6

8:45 am-3:14 pm

1 stop7h 29m

$435

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 11/3

6:41 pm-10:53 am

2 stops15h 12m

Casper Natrona County

Sat 11/7

7:00 am-11:43 am

1 stop5h 43m

$467

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 8/18

5:00 am-10:49 am

1 stop4h 49m

Casper Natrona County

Tue 8/25

5:15 am-11:23 am

1 stop7h 08m

$468

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Thu 7/23

5:00 am-12:42 pm

1 stop6h 42m

Casper Natrona County

Mon 7/27

6:13 pm-10:56 pm

1 stop5h 43m

$576

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 9/4

2:08 pm-9:59 pm

2 stops6h 51m

Casper Natrona County

Sun 9/6

7:05 am-11:23 am

1 stop5h 18m

$731

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 10/13

9:22 am-5:03 pm

2 stops6h 41m

Casper Natrona County

Thu 10/22

11:23 am-3:35 pm

1 stop5h 12m

$746
Quickest round-trip

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Thu 7/23

5:00 am-10:46 am

1 stop4h 46m

Casper Natrona County

Mon 7/27

3:15 pm-9:10 pm

2 stops6h 55m

$928

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 8/18

12:45 pm-9:59 pm

2 stops8h 14m

Casper Natrona County

Tue 8/25

5:15 am-11:23 am

1 stop7h 08m

$1,217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 month to fly to Casper?

In general, November is the cheapest month to fly from San Francisco to Casper. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of November, then book flights to Casper from San Francisco during March instead. Flights to Casper in March, while not as cheap as those in November, still average around $0.

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

4h 48m

Direct flights

None
The fastest flight from San Francisco to Casper takes 4h 48m
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 4h 48m 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
9,909 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.

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