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Rock Springs

$343+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — RKS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$343
(United Airlines)
From San Francisco to Rock Springs Sweetwater County
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Find flight deals from San Francisco to Rock Springs

Cheapest flights from San Francisco to Rock Springs
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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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 8/195:00 amSFO - RKS
1 stop7h 23mUnited Airlines
Wed 9/31:58 pmRKS - SFO
1 stop8h 05mUnited Airlines
Deal found 8/18$358
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/204:28 pmSFO - RKS
1 stop4h 43mUnited Airlines
Thu 8/281:58 pmRKS - SFO
1 stop8h 05mUnited Airlines
Deal found 8/19$383
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/204:28 pmSFO - RKS
1 stop4h 43mUnited Airlines
Sun 8/245:45 amRKS - SFO
1 stop4h 59mUnited Airlines
Deal found 8/19$398
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/204:28 pmSFO - RKS
1 stop4h 43mUnited Airlines
Wed 8/275:45 amRKS - SFO
2 stops13h 03mUnited Airlines
Deal found 8/19$482
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/225:00 amSFO - RKS
1 stop7h 23mUnited Airlines
Mon 8/251:58 pmRKS - SFO
2 stops18h 21mUnited Airlines
Deal found 8/19$497
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/2210:37 pmSFO - RKS
2 stops13h 46mUnited Airlines
Thu 8/281:58 pmRKS - SFO
1 stop8h 05mUnited Airlines
Deal found 8/19$502
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/225:00 amSFO - RKS
1 stop7h 23mUnited Airlines
Sat 8/235:45 amRKS - SFO
2 stops14h 50mUnited Airlines
Deal found 8/19$517
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/199:30 pmSFO - RKS
2 stops23h 41mUnited Airlines
Wed 8/271:58 pmRKS - SFO
1 stop8h 05mUnited Airlines
Deal found 8/19$522
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/204:28 pmSFO - RKS
1 stop4h 43mUnited Airlines
Mon 8/255:45 amRKS - SFO
2 stops14h 20mUnited Airlines
Deal found 8/19$534
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/199:30 pmSFO - RKS
2 stops23h 41mUnited Airlines
Sun 8/245:45 amRKS - SFO
1 stop4h 59mUnited Airlines
Deal found 8/19$537

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 August 20, 2025.
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

Thu 9/4

2:34 pm-10:11 pm

1 stop6h 37m

Rock Springs Sweetwater County

Mon 9/8

1:58 pm-9:03 pm

1 stop8h 05m

$343

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Sat 8/23

6:30 am-1:23 pm

1 stop5h 53m

Rock Springs Sweetwater County

Thu 8/28

1:58 pm-9:03 pm

1 stop8h 05m

$383

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Sat 8/23

4:28 pm-10:11 pm

1 stop4h 43m

Rock Springs Sweetwater County

Tue 8/26

5:45 am-1:22 pm

1 stop8h 37m

$383

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Sat 8/23

6:30 am-1:23 pm

1 stop5h 53m

Rock Springs Sweetwater County

Wed 8/27

5:45 am-9:44 am

1 stop4h 59m

$383

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Sat 8/23

6:30 am-1:23 pm

1 stop5h 53m

Rock Springs Sweetwater County

Sun 8/24

5:45 am-9:44 am

1 stop4h 59m

$398

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Sat 8/23

6:30 am-1:23 pm

1 stop5h 53m

Rock Springs Sweetwater County

Mon 8/25

1:58 pm-9:03 pm

1 stop8h 05m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

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.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Rock Springs. 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 Rock Springs?

    Airlines like United Airlines fly from San Francisco to Rock Springs in about 6h 37m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 758 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Rock Springs 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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