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Cheap flights from San Francisco to Casper from $373

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 7/1. 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 - 10:53 am
SFO
-
CPR
4h 53m
1 stop
United Airlines Logo
5:30 am - 9:29 am
CPR
-
SFO
4h 59m
1 stop
$388United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
6:15 am - 12:45 pm
SFO
-
CPR
5h 30m
1 stop
United Airlines Logo
6:05 pm - 10:55 pm
CPR
-
SFO
5h 50m
1 stop
$457United Airlines
Thu, Sep 3 - Tue, Sep 8
United Airlines Logo
10:25 am - 9:59 pm
SFO
-
CPR
10h 34m
2 stops
United Airlines Logo
5:15 am - 9:26 am
CPR
-
SFO
5h 11m
1 stop
$463United Airlines
Wed, Sep 2 - Sun, Sep 6
United Airlines Logo
6:15 am - 12:42 pm
SFO
-
CPR
5h 27m
1 stop
United Airlines Logo
5:15 am - 11:25 am
CPR
-
SFO
7h 10m
1 stop
$465United Airlines
Sat, Jul 4 - Wed, Jul 8
United Airlines Logo
9:30 pm - 10:53 am
SFO
-
CPR
12h 23m
2 stops
United Airlines Logo
9:10 am - 3:17 pm
CPR
-
SFO
7h 07m
1 stop
$477United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
8:30 am - 10:04 pm
SFO
-
CPR
12h 34m
2 stops
United Airlines Logo
7:15 am - 3:35 pm
CPR
-
SFO
9h 20m
1 stop
$487United Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
9:00 pm - 10:49 am
SFO
-
CPR
12h 49m
2 stops
United Airlines Logo
6:05 pm - 10:55 pm
CPR
-
SFO
5h 50m
1 stop
$499United Airlines
Mon, Aug 10 - Sat, Aug 15
United Airlines Logo
5:00 am - 12:45 pm
SFO
-
CPR
6h 45m
1 stop
United Airlines Logo
6:05 pm - 10:55 pm
CPR
-
SFO
5h 50m
1 stop
$511United Airlines
Fri, Sep 4 - Tue, Sep 8
United Airlines Logo
4:18 pm - 9:59 pm
SFO
-
CPR
4h 41m
1 stop
United Airlines Logo
1:26 pm - 7:27 am
CPR
-
SFO
19h 01m
2 stops
$522United Airlines
Tue, Sep 1 - Mon, Sep 7
United Airlines Logo
5:00 am - 5:18 pm
SFO
-
CPR
11h 18m
1 stop
United Airlines Logo
7:05 am - 3:14 pm
CPR
-
SFO
9h 09m
1 stop
$526United Airlines
Wed, Sep 2 - Sun, Sep 6

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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
Nov 10
SFO5:00 amSan Francisco
4h 53m
1 stop
CPR10:53 amCasper Natrona County
Nov 14
CPR5:30 amCasper Natrona County
4h 59m
1 stop
SFO9:29 amSan Francisco
$388
United Airlines
Sep 3
SFO6:15 amSan Francisco
5h 30m
1 stop
CPR12:45 pmCasper Natrona County
Sep 8
CPR6:05 pmCasper Natrona County
5h 50m
1 stop
SFO10:55 pmSan Francisco
$457
United Airlines
Sep 2
SFO10:25 amSan Francisco
10h 34m
2 stops
CPR9:59 pmCasper Natrona County
Sep 6
CPR5:15 amCasper Natrona County
5h 11m
1 stop
SFO9:26 amSan Francisco
$463

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 June 20, 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
Quickest round-trip

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 11/10

5:00 am-10:53 am

1 stop4h 53m

Casper Natrona County

Sat 11/14

5:30 am-9:29 am

1 stop4h 59m

$388

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Thu 9/3

6:15 am-12:45 pm

1 stop5h 30m

Casper Natrona County

Tue 9/8

6:05 pm-10:55 pm

1 stop5h 50m

$457

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Wed 9/2

10:25 am-9:59 pm

2 stops10h 34m

Casper Natrona County

Sun 9/6

5:15 am-9:26 am

1 stop5h 11m

$463

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sat 7/4

6:15 am-12:42 pm

1 stop5h 27m

Casper Natrona County

Wed 7/8

5:15 am-11:25 am

1 stop7h 10m

$465

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 11/10

9:30 pm-10:53 am

2 stops12h 23m

Casper Natrona County

Sat 11/14

9:10 am-3:17 pm

1 stop7h 07m

$477

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Wed 10/21

8:30 am-10:04 pm

2 stops12h 34m

Casper Natrona County

Sat 10/24

7:15 am-3:35 pm

1 stop9h 20m

$487

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Mon 8/10

9:00 pm-10:49 am

2 stops12h 49m

Casper Natrona County

Sat 8/15

6:05 pm-10:55 pm

1 stop5h 50m

$499

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 9/4

5:00 am-12:45 pm

1 stop6h 45m

Casper Natrona County

Tue 9/8

6:05 pm-10:55 pm

1 stop5h 50m

$511

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 9/1

4:18 pm-9:59 pm

1 stop4h 41m

Casper Natrona County

Mon 9/7

1:26 pm-7:27 am

2 stops19h 01m

$522

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Wed 9/2

5:00 am-5:18 pm

1 stop11h 18m

Casper Natrona County

Sun 9/6

7:05 am-3:14 pm

1 stop9h 09m

$526

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 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

5h 07m

Direct flights

None
The fastest flight from San Francisco to Casper takes 5h 07m
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 5h 07m 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
9,865 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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