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$378+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — SAN
juil. 6 — juil. 131
lun. 7/6
lun. 7/13
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 juin 6, 2026.

This United Airlines deal was found by Cheapflights users on 6/1. 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.
mer. 10/285:25 am
RKS
-
SAN
1 stop6h 43m
United Airlines
sam. 10/317:00 am
SAN
-
RKS
1 stop5h 30m
United Airlines
Deal found 6/1$378
This United Airlines deal was found by Cheapflights users on 6/4. 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.
ven. 6/262:16 pm
RKS
-
SAN
1 stop7h 30m
United Airlines
mer. 7/16:35 am
SAN
-
RKS
1 stop5h 56m
United Airlines
Deal found 6/4$471
This United Airlines deal was found by Cheapflights users on 6/4. 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.
sam. 7/45:05 am
RKS
-
SAN
1 stop4h 57m
United Airlines
sam. 7/116:20 am
SAN
-
RKS
2 stops30h 11m
United Airlines
Deal found 6/4$472
This United Airlines deal was found by Cheapflights users on 6/2. 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.
ven. 6/52:16 pm
RKS
-
SAN
1 stop9h 09m
United Airlines
dim. 6/76:30 am
SAN
-
RKS
1 stop6h 01m
United Airlines
Deal found 6/2$498
This United Airlines deal was found by Cheapflights users on 6/4. 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.
lun. 6/292:16 pm
RKS
-
SAN
2 stops10h 38m
United Airlines
ven. 7/310:49 am
SAN
-
RKS
2 stops10h 34m
United Airlines
Deal found 6/4$559

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 juin 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$378
(United Airlines)
Provider with most accurate pricing for Rock Springs Sweetwater County-San Diego flight deals.
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Provider most trusted by Cheapflights users for Rock Springs Sweetwater County-San Diego flights.
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From Rock Springs Sweetwater County to San Diego
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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 juin 6, 2026.
Use the filters below to find and compare flights from Rock Springs to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

mer. 10/28

5:25 am-11:08 am

1 stop6h 43m

San Diego

sam. 10/31

7:00 am-1:30 pm

1 stop5h 30m

$378
Quickest round-trip

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

lun. 6/29

5:05 am-9:05 am

1 stop5h 00m

San Diego

ven. 7/3

6:35 am-1:31 pm

1 stop5h 56m

$471

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

sam. 7/4

5:05 am-9:02 am

1 stop4h 57m

San Diego

sam. 7/11

6:20 am-1:31 pm

2 stops30h 11m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Sorted by cheapest first
  • 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 juin 6, 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
9,777 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

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
9,777 reviews
United Airlines
7.4
Good
9,777 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

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 6h 43m. 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
Poway
Coronado
La Mesa
Santee
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 juin 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$371FlexibilityNo cancel feeOn-time69%

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