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$258+ Cheap flights from Rock Springs to San Diego (RKS - SAN)

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.
RKS — SAN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Rock Springs to San Diego

Cheapest flights from Rock Springs to San Diego
Explore the most affordable flight options available from Rock Springs to San Diego. 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 1/26. 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 2/242:10 pm
RKS
-
SAN
1 stop7h 41m
United Airlines
Tue 3/106:30 am
SAN
-
RKS
1 stop6h 03m
United Airlines
Deal found 1/26$258
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 3/22:10 pm
RKS
-
SAN
2 stops10h 30m
United Airlines
Thu 3/1211:03 am
SAN
-
RKS
2 stops10h 10m
United Airlines
Deal found 1/26$286
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/272:10 pm
RKS
-
SAN
1 stop9h 25m
United Airlines
Wed 3/1112:55 pm
SAN
-
RKS
1 stop8h 18m
United Airlines
Deal found 1/26$328
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.
Sat 2/145:15 am
RKS
-
SAN
1 stop5h 09m
United Airlines
Wed 2/186:30 am
SAN
-
RKS
1 stop6h 03m
United Airlines
Deal found 1/28$333
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 2/235:15 am
RKS
-
SAN
1 stop5h 09m
United Airlines
Tue 3/104:12 pm
SAN
-
RKS
1 stop5h 01m
United Airlines
Deal found 1/26$363
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/72:08 pm
RKS
-
SAN
1 stop7h 34m
United Airlines
Tue 2/101:00 pm
SAN
-
RKS
1 stop8h 15m
United Airlines
Deal found 1/27$368

Find flight deals from Rock Springs to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Rock Springs (RKS) to San Diego (SAN). 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

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(United Airlines)
Provider with most accurate pricing for Rock Springs Sweetwater County-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rock Springs Sweetwater County-San Diego flights.
Search Deals
From Rock Springs Sweetwater County to San Diego
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rock Springs to San Diego 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 Rock Springs to San Diego that are best for you.

Fly from

Rock Springs

Fly to

San Diego

Route

Depart

Return

Price

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Mon 3/2

5:15 am-9:24 am

1 stop5h 09m

San Diego

Thu 3/12

11:03 am-10:13 pm

2 stops10h 10m

$264

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sun 3/1

2:10 pm-8:51 pm

1 stop7h 41m

San Diego

Thu 3/12

12:55 pm-10:13 pm

1 stop8h 18m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Tue 3/3

2:10 pm-8:51 pm

1 stop7h 41m

San Diego

Mon 3/9

6:30 am-1:33 pm

1 stop6h 03m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Thu 3/5

2:10 pm-10:35 pm

1 stop9h 25m

San Diego

Mon 3/9

6:30 am-1:33 pm

1 stop6h 03m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Wed 3/4

2:10 pm-8:51 pm

1 stop7h 41m

San Diego

Thu 3/12

4:12 pm-10:13 pm

1 stop5h 01m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sun 3/1

2:10 pm-10:35 pm

1 stop9h 25m

San Diego

Mon 3/9

6:30 am-1:33 pm

1 stop6h 03m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sun 2/22

5:15 am-9:24 am

1 stop5h 09m

San Diego

Wed 3/11

4:12 pm-10:13 pm

1 stop5h 01m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 2/21

5:15 am-9:24 am

1 stop5h 09m

San Diego

Sat 3/7

6:30 am-1:33 pm

1 stop6h 03m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 2/21

5:15 am-12:57 pm

1 stop8h 42m

San Diego

Mon 3/9

6:30 am-1:33 pm

1 stop6h 03m

$328

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 2/14

5:15 am-9:24 am

1 stop5h 09m

San Diego

Wed 2/18

6:30 am-1:33 pm

1 stop6h 03m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Rock Springs-San Diego 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 Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rock Springs-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rock Springs-San Diego 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 Diego 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 Diego

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

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with United Airlines from Rock Springs to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

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

    Airlines like United Airlines fly from Rock Springs to San Diego in about 5h 09m. The time it takes to get you to your destination can typically vary by up to . The distance from Rock Springs to San Diego is about 757 mi.

  • What is the cheapest airline to fly from Rock Springs to San Diego round-trip?

    Flying on United Airlines is currently your cheapest option to San Diego, with prices starting at $238.

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

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

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

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

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

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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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Top airline flying from Rock Springs to San Diego

Discover the top airline that operate flights from Rock Springs to San Diego. 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 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$363FlexibilityNo cancel feeOn-time69%

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