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$351+ Cheap flights from Rock Springs to San Diego (RKS - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — SAN
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
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 May 4, 2026.

This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/165:15 am
RKS
-
SAN
1 stop5h 00m
United Airlines
Wed 5/2010:55 am
SAN
-
RKS
2 stops10h 20m
United Airlines
Deal found 5/1$364
This United Airlines deal was found by Cheapflights users on 4/29. 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 9/192:05 pm
RKS
-
SAN
1 stop7h 29m
United Airlines
Wed 9/2312:33 pm
SAN
-
RKS
1 stop8h 28m
United Airlines
Deal found 4/29$378
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/152:15 pm
RKS
-
SAN
2 stops10h 44m
United Airlines
Tue 5/194:04 pm
SAN
-
RKS
1 stop5h 11m
United Airlines
Deal found 4/30$397
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 5/32:15 pm
RKS
-
SAN
1 stop7h 57m
United Airlines
Sat 5/96:32 am
SAN
-
RKS
1 stop5h 58m
United Airlines
Deal found 5/3$498
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/52:16 pm
RKS
-
SAN
1 stop7h 30m
United Airlines
Sun 6/78:32 pm
SAN
-
RKS
2 stops15h 59m
United Airlines
Deal found 4/30$568

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$364
(United Airlines)

One-way from

$351
(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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One-way flight 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 May 4, 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
Quickest round-trip

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 9/19

2:05 pm-8:34 pm

1 stop7h 29m

San Diego

Wed 9/23

4:07 pm-10:01 pm

1 stop4h 54m

$378

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 5/16

2:15 pm-9:12 pm

1 stop7h 57m

San Diego

Wed 5/20

6:32 am-1:30 pm

1 stop5h 58m

$408

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Fri 5/15

2:15 pm-11:59 pm

2 stops10h 44m

San Diego

Tue 5/19

10:55 am-10:15 pm

2 stops10h 20m

$419
Cheapest one-way
Quickest one-way

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Wed 6/3

5:05 am-5:20 pm

1 stop13h 15m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

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 May 4, 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
9,680 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

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
9,680 reviews
United Airlines
7.4
Good
9,680 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

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 7h 29m. 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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$363FlexibilityNo cancel feeOn-time69%

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