$338+ Cheap flights from San Antonio to Casper (SAT - 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CPR
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio 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 Antonio to Casper
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Best
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Cheapest flights from San Antonio to CasperExplore the most affordable flight options available from San Antonio to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from San Antonio to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:56 am -
1 stop4h 52m
Wed 12/25:00 am -
1 stop6h 46m
Deal found 9/13![United Airlines logo]()
$338
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:48 pm -
1 stop6h 11m
Tue 12/11:21 pm -
1 stop6h 13m
Deal found 9/13![United Airlines logo]()
$353
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 am -
1 stop4h 45m
Wed 10/73:11 pm -
1 stop7h 47m
Deal found 9/13![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/235:30 am -
1 stop6h 19m
Sun 9/276:00 pm -
1 stop4h 58m
Deal found 9/8![United Airlines logo]()
$388
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:19 pm -
2 stops6h 40m
Tue 12/11:21 pm -
1 stop6h 13m
Deal found 9/13![United Airlines logo]()
$424
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:19 pm -
2 stops6h 40m
Wed 12/25:00 am -
2 stops7h 06m
Deal found 9/13![United Airlines logo]()
$426
Best flights from San Antonio to CasperDiscover carefully curated flight deals from San Antonio to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from San Antonio to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:52 pm -
1 stop6h 01m
Wed 12/25:00 am -
1 stop6h 46m
Deal found 9/13![United Airlines logo]()
$338
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:52 pm -
1 stop6h 01m
Tue 12/11:21 pm -
1 stop6h 13m
Deal found 9/13![United Airlines logo]()
$353
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:17 pm -
2 stops6h 47m
Wed 10/73:11 pm -
1 stop4h 31m
Deal found 9/13![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/235:30 am -
1 stop6h 19m
Sun 9/276:00 pm -
1 stop4h 58m
Deal found 9/8![United Airlines logo]()
$388
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:35 am -
2 stops8h 03m
Tue 12/15:00 am -
2 stops11h 35m
Deal found 9/13![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/244:50 pm -
1 stop4h 27m
Mon 9/283:11 pm -
1 stop7h 47m
Deal found 9/9![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 9/275:30 am -
1 stop4h 29m
Thu 10/15:15 am -
1 stop6h 43m
Deal found 9/12![United Airlines logo]()
$776
Last-minute flights from San Antonio to CasperDiscover last-minute flight deals from San Antonio to Casper. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Casper. Data last updated September 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/114:39 pm -
1 stop6h 20m
Mon 9/141:16 pm -
1 stop6h 36m
Deal found 9/10![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/174:39 pm -
1 stop4h 48m
Sun 9/201:16 pm -
1 stop6h 36m
Deal found 9/10![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/235:30 am -
1 stop6h 19m
Sun 9/276:00 pm -
1 stop4h 58m
Deal found 9/8![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/244:50 pm -
1 stop4h 27m
Mon 9/283:11 pm -
1 stop7h 47m
Deal found 9/9![United Airlines logo]()
$450
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 am -
1 stop4h 45m
Wed 10/73:11 pm -
1 stop7h 47m
Deal found 9/13![United Airlines logo]()
$363
Find flight deals from San Antonio to Casper
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio 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 13, 2026.
Use the filters below to find and compare flights from San Antonio to Casper that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioCasper
SAT San Antonio - CPR Casper Natrona County
SATCPR
San Antonio
Sat 11/21
1:52 pm-6:53 pm
1 stop6h 01m
Casper Natrona County
Wed 12/2
5:00 am-12:46 pm
1 stop6h 46m
$338
San AntonioCasper
SAT San Antonio - CPR Casper Natrona County
SATCPR
San Antonio
Tue 11/24
1:52 pm-6:53 pm
1 stop6h 01m
Casper Natrona County
Tue 12/1
1:21 pm-8:34 pm
1 stop6h 13m
$353
San AntonioCasper
SAT San Antonio - CPR Casper Natrona County
SATCPR
San Antonio
Tue 9/29
4:17 pm-10:04 pm
2 stops6h 47m
Casper Natrona County
Wed 10/7
3:11 pm-8:42 pm
1 stop4h 31m
$369
San AntonioCasper
SAT San Antonio - CPR Casper Natrona County
SATCPR
San Antonio
Wed 9/23
5:30 am-10:49 am
1 stop6h 19m
Casper Natrona County
Sun 9/27
6:00 pm-11:58 pm
1 stop4h 58m
$388
San AntonioCasper
SAT San Antonio - CPR Casper Natrona County
SATCPR
San Antonio
Wed 11/18
7:35 am-2:38 pm
2 stops8h 03m
Casper Natrona County
Tue 12/1
5:00 am-5:35 pm
2 stops11h 35m
$439
San AntonioCasper
SAT San Antonio - CPR Casper Natrona County
SATCPR
San Antonio
Thu 9/24
4:50 pm-8:17 pm
1 stop4h 27m
Casper Natrona County
Mon 9/28
3:11 pm-11:58 pm
1 stop7h 47m
$450
Quickest round-trip
San AntonioCasper
SAT San Antonio - CPR Casper Natrona County
SATCPR
San Antonio
Sun 9/27
5:30 am-8:59 am
1 stop4h 29m
Casper Natrona County
Thu 10/1
5:15 am-12:58 pm
1 stop6h 43m
$776
Sorted by cheapest first
Compare providers for flights from San Antonio 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 Antonio to Casper in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Casper flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Casper flights, Cheapflights users trust FlightHub the most. FlightHub 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 Antonio-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 Antonio to Casper
Have a flexible travel schedule? Discover the best time to fly to Casper from San Antonio with our price prediction graph.
SAT-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 13, 2026.
Get a feel of what it's like to fly with United Airlines from San Antonio to Casper by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Related info for your journey
Find useful and relevant information for your journey from San Antonio 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
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Top airline flying from San Antonio to Casper
Discover the top airline that operate flights from San Antonio 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$338 | FlexibilityNo cancel fee | On-time69% |