$313+ Cheap flights from Rock Springs to San Antonio (RKS - SAT)
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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — SAT
Oct 22 — Oct 291
Round-trip
1 adult, Economy
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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 Rock Springs to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Rock Springs to San AntonioExplore the most affordable flight options available from Rock Springs to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Rock Springs to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/222:22 pm -
1 stop5h 20m
Tue 10/278:56 am -
1 stop5h 48m
Deal found 9/20![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 9/182:22 pm -
1 stop5h 30m
Sun 9/204:39 pm -
1 stop6h 42m
Deal found 9/18![United Airlines logo]()
$684
Best flights from Rock Springs to San AntonioDiscover carefully curated flight deals from Rock Springs to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Rock Springs to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/222:22 pm -
1 stop5h 20m
Tue 10/278:56 am -
1 stop5h 48m
Deal found 9/20![United Airlines logo]()
$338
Last-minute flights from Rock Springs to San AntonioDiscover last-minute flight deals from Rock Springs to San Antonio. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Rock Springs to San Antonio. Data last updated September 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/222:22 pm -
1 stop5h 20m
Tue 10/278:56 am -
1 stop5h 48m
Deal found 9/20![United Airlines logo]()
$338
One-way flights from Rock Springs to San AntonioSearch for one-way flight options from Rock Springs to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Rock Springs to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 10/162:22 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/75:05 am -
1 stop17h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$341
Find flight deals from Rock Springs to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Rock Springs (RKS) to San Antonio (SAT). 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 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (United Airlines) |
One-way from | $313 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Rock Springs to San Antonio 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 22, 2026.
Use the filters below to find and compare flights from Rock Springs to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Rock SpringsSan Antonio
RKS Rock Springs Sweetwater County - SAT San Antonio
RKSSAT
Rock Springs Sweetwater County
Fri 10/16
2:22 pm-8:42 pm
1 stop5h 20m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$313
Rock SpringsSan Antonio
RKS Rock Springs Sweetwater County - SAT San Antonio
RKSSAT
Rock Springs Sweetwater County
Thu 10/22
2:22 pm-8:42 pm
1 stop5h 20m
San Antonio
Tue 10/27
8:56 am-1:44 pm
1 stop5h 48m
$338
Rock SpringsSan Antonio
RKS Rock Springs Sweetwater County - SAT San Antonio
RKSSAT
Rock Springs Sweetwater County
Wed 10/7
5:05 am-11:58 pm
1 stop17h 53m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$341
Sorted by cheapest first
Compare providers for flights from Rock Springs to San Antonio
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 Rock Springs to San Antonio 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 Rock Springs-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rock Springs-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rock Springs-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rock Springs-San Antonio 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 Rock Springs-San Antonio 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 Rock Springs to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Rock Springs with our price prediction graph.
RKS-SAT
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 San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated September 22, 2026.
Read through reviews of airlines operating flights from Rock Springs to San Antonio, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Rock Springs to San Antonio. 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 San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Rock Springs and San Antonio flights
Browse other Rock Springs and San Antonio flight options. Last updated on September 22, 2026.
Other flights from Rock Springs
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Top airline flying from Rock Springs to San Antonio
Discover the top airline that operate flights from Rock Springs to San Antonio. 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$398 | FlexibilityNo cancel fee | On-time69% |