$328+ Cheap flights from San Francisco to Rock Springs (SFO - RKS)
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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — RKS
Feb 28 — Mar 71
1 adult, Economy
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1. Tell us where you want to go
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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 Rock Springs
Cheapest flights from San Francisco to Rock SpringsExplore the most affordable flight options available from San Francisco to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from San Francisco to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/244:27 pm
SFO
- RKS
1 stop4h 46m
United Airlines
Sat 2/282:10 pm
RKS
- SFO
1 stop10h 07m
United Airlines
Deal found 1/28![United Airlines logo]()
$328
Find flight deals from San Francisco to Rock Springs
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Rock Springs (RKS). 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 January 29, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $328 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Rock Springs 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 January 29, 2026.
Use the filters below to find and compare flights from San Francisco to Rock Springs that are best for you.
Fly from
San Francisco
Fly to
Rock Springs
Route
Depart
Return
Price
San FranciscoRock Springs
SFO - RKS
SFORKS
San Francisco
Tue 2/24
5:10 am-1:33 pm
1 stop7h 23m
Rock Springs Sweetwater County
Sat 2/28
2:10 pm-7:55 pm
1 stop6h 45m
$328
- Most accurate provider: When it comes to deals on San Francisco-Rock Springs flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Rock Springs flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Francisco-Rock Springs flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Rock Springs 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-Rock Springs 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 Rock Springs
Have a flexible travel schedule? Discover the best time to fly to Rock Springs 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.