In terms of precipitation, rainfall in Rock Springs ranges from 0.5 - 1.2 inches per month. May is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Rock Springs when rainfall is around 0.5 in.

If weather is an important factor for your trip to Rock Springs, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What are the most popular routes from California to Rock Springs?

When deciding which route to take from California to Rock Springs consider San Jose - Rock Springs Sweetwater County, San Francisco - Rock Springs Sweetwater County or Medford - Rock Springs Sweetwater County as they are the most popular.

What is the cheapest time of day to fly from CA to RKS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Rock Springs as you normally would.

What airport do you fly into for flights to Rock Springs from California?

Rock Springs Sweetwater County (RKS), located 7.1 mi from the city center, is the airport you fly into when you book flights from California to Rock Springs.

Can I find deals for flights from California to Rock Springs that include hotel bookings?

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

How can I find direct flights from California to Rock Springs?

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

Can I find deals for business class flights from California to Rock Springs?

Yes. Cheapflights offers flight deals from California 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.

$368+ Flights from California to Rock Springs

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Cheap flight deals from California to Rock Springs

Round-trip from	$368 (United Airlines)

From California to Rock Springs Sweetwater County

Search Deals

Find flight deals from California to Rock Springs

Cheapest flights from California to Rock Springs
Explore the most affordable flight options available from California to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Thu 9/254:40 pmSFO - RKS

1 stop4h 27mUnited Airlines

Sun 9/285:15 amRKS - SFO

1 stop7h 02mUnited Airlines

Deal found 7/30

$368

Tue 8/122:31 pmSJC - RKS

1 stop6h 42mUnited Airlines

Wed 8/135:33 amRKS - SJC

1 stop8h 49mUnited Airlines

Deal found 7/30

$738

Best flights from California to Rock Springs
Discover carefully curated flight deals from California to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Thu 9/254:40 pmSFO - RKS

1 stop4h 27mUnited Airlines

Sun 9/285:15 amRKS - SFO

1 stop7h 02mUnited Airlines

Deal found 7/30

$368

Tue 8/122:31 pmSJC - RKS

1 stop6h 42mUnited Airlines

Wed 8/135:33 amRKS - SJC

1 stop8h 49mUnited Airlines

Deal found 7/30

$738

Last-minute flights from California to Rock Springs
Discover last-minute flight deals from California to Rock Springs. Data last updated July 31, 2025 and is based on user searches.

Sat 8/97:00 amSJC - RKS

1 stop5h 05mUnited Airlines

Mon 8/115:33 amRKS - SJC

1 stop8h 49mUnited Airlines

Deal found 7/31

$864

Tue 8/122:31 pmSJC - RKS

1 stop6h 42mUnited Airlines

Wed 8/135:33 amRKS - SJC

1 stop8h 49mUnited Airlines

Deal found 7/30

$738

Cheapflights Fare Finder

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

Thu 9/25

4:40 pm-10:07 pm

1 stop4h 27m

Rock Springs Sweetwater County

Sun 9/28

5:15 am-11:17 am

1 stop7h 02m

$368

San JoseRock Springs

SJC - RKS

SJCRKS

San Jose

Tue 8/12

2:31 pm-10:13 pm

1 stop6h 42m

Rock Springs Sweetwater County

Wed 8/13

5:33 am-1:22 pm

1 stop8h 49m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from California to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from California 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.

Cheapflights Insights

Everything you need to know about your flight from California to Rock Springs

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Rock Springs

Read reviews from past customers who have flown United Airlines from California to Rock Springs. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,900 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,900 reviews

United Airlines

7.4

Good

8,900 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly into for flights to Rock Springs from California?
Rock Springs Sweetwater County (RKS), located 7.1 mi from the city center, is the airport you fly into when you book flights from California to Rock Springs.
What are the most popular routes from California to Rock Springs?
When deciding which route to take from California to Rock Springs consider San Jose - Rock Springs Sweetwater County, San Francisco - Rock Springs Sweetwater County or Medford - Rock Springs Sweetwater County as they are the most popular.
Can I find deals for flights from California to Rock Springs that include hotel bookings?
Yes. In addition to deals on California to Rock Springs flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from California to Rock Springs?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Rock Springs.
Can I find deals for business class flights from California to Rock Springs?
Yes. Cheapflights offers flight deals from California 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

Browse thousands of different options on Cheapflights for your next trip

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$368+ Cheap flights from California to Rock Springs (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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from California to Rock Springs with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from California to Rock Springs

Keep the following information in mind while searching for California to Rock Springs flight deals. Data was last updated July 31, 2025.

Round-trip from

Find flight deals from California to Rock Springs

Cheapest flights from California to Rock SpringsExplore the most affordable flight options available from California to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from California to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Rock Springs that are best for you.

Best time to book a flight from California to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from California with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from California to Rock Springs

Reviews of airlines servicing Rock Springs

Read reviews from past customers who have flown United Airlines from California to Rock Springs. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from California to Rock Springs. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Rock Springs from California?

What are the most popular routes from California to Rock Springs?

Can I find deals for flights from California to Rock Springs that include hotel bookings?

How can I find direct flights from California to Rock Springs?

Can I find deals for business class flights from California to Rock Springs?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Rock Springs

See prices for flight routes from nearby airports that may be better suited for you.

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Travel Smart

Cheapest flights from California to Rock Springs
Explore the most affordable flight options available from California to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.