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$338+ Cheap flights from San Francisco to Casper (SFO - CPR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CPR
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from San Francisco to Casper

Best flights from San Francisco to Casper
Discover carefully curated flight deals from San Francisco to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/135:00 amSFO - CPR
1 stop6h 35mUnited Airlines
Sat 1/1711:28 amCPR - SFO
1 stop7h 22mUnited Airlines
Deal found 12/18$338

Find flight deals from San Francisco to Casper

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Casper (CPR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$338
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$478
Provider with most accurate pricing for San Francisco-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Casper Natrona County flights.
Search Deals
From San Francisco to Casper Natrona County
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from San Francisco to Casper that are best for you.

Fly from

San Francisco

Fly to

Casper

Route

Depart

Return

Price

San FranciscoCasper

SFO - CPR

SFOCPR

San Francisco

Tue 1/13

5:00 am-12:35 pm

1 stop6h 35m

Casper Natrona County

Sat 1/17

11:28 am-5:50 pm

1 stop7h 22m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Compare providers for flights from San Francisco to Casper

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Casper in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Casper flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Casper

What is the cheapest time of day to fly from SFO to CPR?

Find hourly flight availability from San Francisco to Casper. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

One of the essential ways to save on airfare from San Francisco to Casper is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 46% on airfare.

Reviews of airlines servicing Casper

Get insights into the airlines that provide service to Casper. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Casper. Reviews last updated December 21, 2025.
See what other customers who have flown with United Airlines from San Francisco to Casper have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,099 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,099 reviews
United Airlines
7.4
Good
9,099 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Casper?

    There are many flights that can get you from San Francisco to Casper in 6h 35m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 913 mi.

  • What is the cheapest airline to fly from San Francisco to Casper round-trip?

    Our cheapest airline available from San Francisco to Casper is United Airlines. Our recent data shows that you can find tickets from as low as $248 on this airline. You may be able to fly from San Francisco to Casper for 45% less than the average price by searching for this airline.

  • Can I find deals for flights from San Francisco to Casper that include hotel bookings?

    Yes. In addition to deals on San Francisco to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Casper?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Casper.

  • Can I find deals for business class flights from San Francisco to Casper?

    Yes. Cheapflights offers flight deals from San Francisco to Casper by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from San Francisco to Casper

Discover the top airline that operate flights from San Francisco to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$463FlexibilityNo cancel feeOn-time69%

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