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Cheap flights from San Francisco to Casper from $248

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 1/2. 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

United Airlines Logo
6:30 am - 2:40 pmSFO-CPR
7h 10m1 stop
United Airlines Logo
9:00 am - 3:27 pmCPR-SFO
7h 27m1 stop
$248United Airlines
Find Deal
Fri, Jan 2 - Thu, Jan 8
United Airlines Logo
5:15 am - 2:40 pmSFO-CPR
8h 25m1 stop
United Airlines Logo
11:30 am - 3:05 pmCPR-SFO
4h 35m1 stop
$318United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
5:00 am - 10:50 amSFO-CPR
4h 50m1 stop
United Airlines Logo
3:12 pm - 10:57 pmCPR-SFO
8h 45m1 stop
$333United Airlines
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Tue, Sep 23 - Tue, Sep 30
United Airlines Logo
6:30 am - 4:52 pmSFO-CPR
9h 22m1 stop
United Airlines Logo
11:22 am - 8:10 pmCPR-SFO
9h 48m2 stops
$397United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
United Airlines Logo
10:45 pm - 10:53 amSFO-CPR
11h 08m2 stops
United Airlines Logo
1:25 pm - 5:19 pmCPR-SFO
4h 54m1 stop
$412United Airlines
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Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
8:32 am - 10:12 pmSFO-CPR
12h 40m2 stops
United Airlines Logo
11:30 am - 3:05 pmCPR-SFO
4h 35m1 stop
$423United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
6:30 am - 2:40 pmSFO-CPR
7h 10m1 stop
United Airlines Logo
1:16 pm - 7:42 amCPR-SFO
19h 26m2 stops
$428United Airlines
Find Deal
Fri, Jan 2 - Thu, Jan 8
United Airlines Logo
5:05 am - 10:47 amSFO-CPR
4h 42m1 stop
United Airlines Logo
6:00 pm - 7:03 amCPR-SFO
14h 03m2 stops
$537United Airlines
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Sun, Oct 5 - Fri, Oct 10
United Airlines Logo
5:05 am - 12:41 pmSFO-CPR
6h 36m1 stop
United Airlines Logo
8:55 am - 5:19 pmCPR-SFO
9h 24m1 stop
$600United Airlines
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Sun, Oct 5 - Fri, Oct 10
United Airlines Logo
6:30 am - 12:42 pmSFO-CPR
5h 12m1 stop
United Airlines Logo
3:12 pm - 7:35 pmCPR-SFO
5h 23m1 stop
$664United Airlines
Find Deal
Sun, Sep 21 - Thu, Sep 25

United Airlines flights from San Francisco to Casper

Our best United Airlines deals on San Francisco to Casper flight tickets
United Airlines
Jan 2
SFO6:30 amSan Francisco
7h 10m
1 stop
CPR2:40 pmCasper Natrona County
Jan 8
CPR9:00 amCasper Natrona County
7h 27m
1 stop
SFO3:27 pmSan Francisco
$248
Find similar
United Airlines
Mar 6
SFO5:15 amSan Francisco
8h 25m
1 stop
CPR2:40 pmCasper Natrona County
Mar 10
CPR11:30 amCasper Natrona County
4h 35m
1 stop
SFO3:05 pmSan Francisco
$318
Find similar
United Airlines
Sep 23
SFO5:00 amSan Francisco
4h 50m
1 stop
CPR10:50 amCasper Natrona County
Sep 30
CPR3:12 pmCasper Natrona County
8h 45m
1 stop
SFO10:57 pmSan Francisco
$333
Find similar

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 September 8, 2025.
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

Fri 1/2

6:30 am-2:40 pm

1 stop7h 10m

Casper Natrona County

Thu 1/8

9:00 am-3:27 pm

1 stop7h 27m

$248

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 3/6

5:15 am-2:40 pm

1 stop8h 25m

Casper Natrona County

Tue 3/10

11:30 am-3:05 pm

1 stop4h 35m

$318

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 9/23

5:00 am-10:50 am

1 stop4h 50m

Casper Natrona County

Tue 9/30

3:12 pm-10:57 pm

1 stop8h 45m

$333

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 9/23

6:30 am-4:52 pm

1 stop9h 22m

Casper Natrona County

Tue 9/30

11:22 am-8:10 pm

2 stops9h 48m

$397

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 3/6

10:45 pm-10:53 am

2 stops11h 08m

Casper Natrona County

Tue 3/10

1:25 pm-5:19 pm

1 stop4h 54m

$412

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 3/6

8:32 am-10:12 pm

2 stops12h 40m

Casper Natrona County

Tue 3/10

11:30 am-3:05 pm

1 stop4h 35m

$423

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Fri 1/2

6:30 am-2:40 pm

1 stop7h 10m

Casper Natrona County

Thu 1/8

1:16 pm-7:42 am

2 stops19h 26m

$428

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sun 10/5

5:05 am-10:47 am

1 stop4h 42m

Casper Natrona County

Fri 10/10

6:00 pm-7:03 am

2 stops14h 03m

$537

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sun 10/5

5:05 am-12:41 pm

1 stop6h 36m

Casper Natrona County

Fri 10/10

8:55 am-5:19 pm

1 stop9h 24m

$600

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Sun 9/21

6:30 am-12:42 pm

1 stop5h 12m

Casper Natrona County

Thu 9/25

3:12 pm-7:35 pm

1 stop5h 23m

$664

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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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 day to depart on your flight to Casper?

The cheapest day to depart from San Francisco to Casper is on a Saturday when prices can be found for as low as $298. The most expensive day to fly to Casper is Monday, with ticket prices averaging around $822.

What is the cheapest time of day to depart on your flight to Casper?

The cheapest time of day to fly to Casper is in the afternoon when flights can be purchased for as low as $298. Flights to Casper are more costly in the morning, with an average ticket price of $559. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
There are no direct flights from San Francisco to Casper. There are no popular flight routes from San Francisco to Casper.
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  • 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 4h 42m 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 $298Free CancellationRating
7.4
8,944 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
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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