$388+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CPR
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco to Casper with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Casper
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to CasperExplore the most affordable flight options available from San Francisco to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from San Francisco to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/305:00 am -
1 stop6h 39m
Sun 10/45:15 am -
1 stop5h 06m
Deal found 9/15![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 12/95:00 am -
1 stop6h 40m
Sun 12/1310:40 am -
1 stop10h 04m
Deal found 9/16![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/25:00 am -
1 stop6h 39m
Tue 10/66:00 pm -
1 stop5h 51m
Deal found 9/17![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 12/285:00 am -
1 stop6h 42m
Mon 1/46:00 pm -
1 stop6h 02m
Deal found 9/16![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 12/285:00 am -
1 stop4h 58m
Sun 1/36:00 pm -
1 stop6h 59m
Deal found 9/16![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/295:00 am -
1 stop8h 43m
Sat 1/23:18 pm -
1 stop8h 44m
Deal found 9/16![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 9/185:00 am -
1 stop8h 46m
Tue 9/2211:24 am -
1 stop7h 10m
Deal found 9/14![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/2910:45 pm -
2 stops11h 13m
Mon 1/46:00 pm -
1 stop6h 59m
Deal found 9/16![United Airlines logo]()
$583
Best flights from San Francisco to CasperDiscover 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 September 17, 2026.
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 September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/95:00 am -
1 stop6h 40m
Sun 12/1310:40 am -
1 stop10h 04m
Deal found 9/14![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/25:00 am -
1 stop6h 39m
Tue 10/66:00 pm -
1 stop5h 51m
Deal found 9/17![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 12/285:00 am -
1 stop6h 42m
Mon 1/46:00 pm -
1 stop6h 02m
Deal found 9/16![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 12/285:00 am -
1 stop4h 58m
Sun 1/36:00 pm -
1 stop6h 59m
Deal found 9/16![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/2910:45 pm -
2 stops11h 13m
Mon 1/46:00 pm -
1 stop6h 59m
Deal found 9/16![United Airlines logo]()
$583
Last-minute flights from San Francisco to CasperDiscover last-minute flight deals from San Francisco to Casper. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Casper. Data last updated September 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 9/185:00 am -
1 stop8h 46m
Tue 9/2211:24 am -
1 stop7h 10m
Deal found 9/14![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/305:00 am -
1 stop6h 39m
Sun 10/45:15 am -
1 stop5h 06m
Deal found 9/15![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/25:00 am -
1 stop6h 39m
Tue 10/66:00 pm -
1 stop5h 51m
Deal found 9/17![United Airlines logo]()
$468
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:35 pm -
1 stop6h 42m
Sat 10/171:20 pm -
1 stop5h 03m
Deal found 9/13![United Airlines logo]()
$679
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:45 am -
1 stop4h 51m
Fri 10/168:00 am -
1 stop6h 05m
Deal found 9/13![United Airlines logo]()
$776
One-way flights from San Francisco to CasperSearch for one-way flight options from San Francisco to Casper. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from San Francisco to Casper. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2210:43 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$528
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 September 17, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $388 (United Airlines) |
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 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
San FranciscoCasper
SFO San Francisco - CPR Casper Natrona County
SFOCPR
San Francisco
Wed 12/9
5:00 am-12:40 pm
1 stop6h 40m
Casper Natrona County
Sun 12/13
10:40 am-7:44 pm
1 stop10h 04m
$418
San FranciscoCasper
SFO San Francisco - CPR Casper Natrona County
SFOCPR
San Francisco
Fri 10/2
5:00 am-12:39 pm
1 stop6h 39m
Casper Natrona County
Tue 10/6
6:00 pm-10:51 pm
1 stop5h 51m
$468
San FranciscoCasper
SFO San Francisco - CPR Casper Natrona County
SFOCPR
San Francisco
Mon 12/28
5:00 am-12:42 pm
1 stop6h 42m
Casper Natrona County
Mon 1/4
6:00 pm-11:02 pm
1 stop6h 02m
$474
San FranciscoCasper
SFO San Francisco - CPR Casper Natrona County
SFOCPR
San Francisco
Mon 12/28
5:00 am-10:58 am
1 stop4h 58m
Casper Natrona County
Sun 1/3
6:00 pm-11:59 pm
1 stop6h 59m
$518
Quickest round-trip
San FranciscoCasper
SFO San Francisco - CPR Casper Natrona County
SFOCPR
San Francisco
Tue 9/22
10:43 am-6:59 pm
1 stop7h 16m
Casper Natrona County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$528
San FranciscoCasper
SFO San Francisco - CPR Casper Natrona County
SFOCPR
San Francisco
Tue 12/29
10:45 pm-10:58 am
2 stops11h 13m
Casper Natrona County
Mon 1/4
6:00 pm-11:59 pm
1 stop6h 59m
$583
Sorted by cheapest first
- Most accurate provider: When it comes to deals on San Francisco-Casper flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Casper flight deals on Cheapflights vs. Expedia <90% 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.
SFO-CPR
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.
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 September 17, 2026.
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.
Boarding
7.7
Crew
8.1
Food
6.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Crew
8.1
Food
6.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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.
Traveling to a place near Casper?
Book flights to Casper if you plan to visit one of these locationsRawlins
Douglas
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Casper flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Francisco
Popular flights
Alternative routes for San Francisco to Casper
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Casper
Explore flights to Casper departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Complete your trip
Complete your trip to Casper by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Casper by cabin class
Find flights from San Francisco to Casper, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Casper flights
Browse other San Francisco and Casper flight options. Last updated on September 17, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$483 | FlexibilityNo cancel fee | On-time69% |