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Cheap flights from California to Rock Springs from $328

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from California to Rock Springs departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from California to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:10 am - 1:33 pm
SFO
-
RKS
7h 23m
1 stop
United Airlines Logo
5:15 am - 9:40 am
RKS
-
SFO
5h 25m
1 stop
$328United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
6:50 am - 1:33 pm
SFO
-
RKS
5h 43m
1 stop
United Airlines Logo
2:10 pm - 7:55 pm
RKS
-
SFO
6h 45m
1 stop
$333United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
10:57 pm - 1:33 pm
SFO
-
RKS
13h 36m
2 stops
United Airlines Logo
5:15 am - 9:40 am
RKS
-
SFO
5h 25m
1 stop
$397United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
5:10 am - 1:33 pm
SFO
-
RKS
7h 23m
1 stop
United Airlines Logo
5:15 am - 6:58 pm
RKS
-
SFO
14h 43m
2 stops
$437United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
9:24 am - 10:13 pm
SFO
-
RKS
11h 49m
2 stops
United Airlines Logo
5:15 am - 6:58 pm
RKS
-
SFO
14h 43m
2 stops
$465United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
9:24 am - 10:13 pm
SFO
-
RKS
11h 49m
2 stops
United Airlines Logo
5:15 am - 5:47 pm
RKS
-
SFO
13h 32m
2 stops
$575United Airlines
Tue, Feb 24 - Sat, Feb 28

United Airlines flights from California to Rock Springs

Our best United Airlines deals on California to Rock Springs flight tickets
United Airlines
Feb 24
SFO6:50 amSan Francisco
5h 43m
1 stop
RKS1:33 pmRock Springs Sweetwater County
Feb 28
RKS2:10 pmRock Springs Sweetwater County
6h 45m
1 stop
SFO7:55 pmSan Francisco
$333
United Airlines
Feb 24
SFO2:44 pmSan Francisco
6h 29m
1 stop
RKS10:13 pmRock Springs Sweetwater County
Feb 28
RKS5:15 amRock Springs Sweetwater County
14h 43m
2 stops
SFO6:58 pmSan Francisco
$429
United Airlines
Feb 24
SFO5:10 amSan Francisco
7h 23m
1 stop
RKS1:33 pmRock Springs Sweetwater County
Feb 28
RKS5:15 amRock Springs Sweetwater County
14h 43m
2 stops
SFO6:58 pmSan Francisco
$437

momondo Fare Finder

 
Customize your flight search to find flights from California 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from California to Rock Springs that are best for you.

Fly from

Fly to

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

5:15 am-9:40 am

1 stop5h 25m

$328

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Tue 2/24

6:50 am-1:33 pm

1 stop5h 43m

Rock Springs Sweetwater County

Sat 2/28

2:10 pm-7:55 pm

1 stop6h 45m

$333

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Tue 2/24

10:57 pm-1:33 pm

2 stops13h 36m

Rock Springs Sweetwater County

Sat 2/28

5:15 am-9:40 am

1 stop5h 25m

$397

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

5:15 am-6:58 pm

2 stops14h 43m

$437

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Tue 2/24

9:24 am-10:13 pm

2 stops11h 49m

Rock Springs Sweetwater County

Sat 2/28

5:15 am-6:58 pm

2 stops14h 43m

$465

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Tue 2/24

9:24 am-10:13 pm

2 stops11h 49m

Rock Springs Sweetwater County

Sat 2/28

5:15 am-5:47 pm

2 stops13h 32m

$575

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from California to Rock Springs

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Rock Springs?

Flight times from California to Rock Springs vary, but if you’re flying out of San Jose and flying into Rock Springs (one of the most popular routes), then the duration is 5h 15m on average. Another popular route from California to Rock Springs is flying from San Francisco to Rock Springs, which will take roughly 7h 23m. Keep in mind that layovers or delays could extend your travel time.

Cheap California to Rock Springs flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Rock Springs

Fastest flight time

5h 15m

Direct flights

None
The fastest flight from California to Rock Springs takes 5h 15m
There are no direct flights from California to Rock Springs. There are no popular flight routes from California to Rock Springs.
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  • When did momondo last update prices for flights from California to Rock Springs Sweetwater County Airport?

    Prices for flights from California to Rock Springs Sweetwater County Airport refresh daily.

  • How old do you have to be to fly from California to Rock Springs Sweetwater County Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Rock Springs Sweetwater County Airport.

  • What documentation or ID do you need to fly to Rock Springs Sweetwater County Airport?

    The travel and health documents you'll need for your trip to Rock Springs Sweetwater County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rock Springs Sweetwater County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Rock Springs?

Book flights to Rock Springs if you plan to visit one of these locations
Green River

Why use momondo?

Why should I use momondo to find a flight deal from California to Rock Springs?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to Rock Springs for you.

Can I find flights from California to Rock Springs with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Rock Springs from California with this policy.

How can momondo help me find flights from California to Rock Springs?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rock Springs from California.

I’m not ready to book a flight from California to Rock Springs right now. Can momondo alert me if prices change?

If you are not ready to book a flight from California to Rock Springs now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rock Springs and let you know when they change.

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