$243+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — SAN
Jan 17 — Jan 241
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rock Springs to San Diego
Best flights from Rock Springs to San DiegoDiscover carefully curated flight deals from Rock Springs to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
Discover carefully curated flight deals from Rock Springs to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
This United Airlines deal was found by Cheapflights users on 12/15. 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 pmRKS - SAN
1 stop7h 34mUnited Airlines
Tue 2/106:30 amSAN - RKS
1 stop5h 58mUnited Airlines
Deal found 12/15![United Airlines logo]()
$328
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 December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $328 (United Airlines) |
One-way from | $243 (United Airlines) |
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 December 18, 2025.
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
Sat 2/7
2:08 pm-8:42 pm
1 stop7h 34m
San Diego
Tue 2/10
6:30 am-1:28 pm
1 stop5h 58m
$328
Rock SpringsSan Diego
RKS - SAN
RKSSAN
Rock Springs Sweetwater County
Sat 1/31
2:08 pm-8:42 pm
1 stop7h 34m
$243
Rock SpringsSan Diego
RKS - SAN
RKSSAN
Rock Springs Sweetwater County
Wed 1/21
5:15 am-9:20 am
1 stop5h 05m
$243
Rock SpringsSan Diego
RKS - SAN
RKSSAN
Rock Springs Sweetwater County
Sun 1/11
2:08 pm-8:42 pm
1 stop7h 34m
$243
Rock SpringsSan Diego
RKS - SAN
RKSSAN
Rock Springs Sweetwater County
Thu 1/1
2:18 pm-8:47 pm
1 stop7h 29m
$326
Compare providers for flights from Rock Springs to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rock Springs to San Diego in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rock Springs-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rock Springs-San Diego flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 18, 2025.
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.
Entertainment
7.1
Food
6.6
Crew
8.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Entertainment
7.1
Food
6.6
Crew
8.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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.
Traveling to a place near San Diego?
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Alternative routes for Rock Springs to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$348 | FlexibilityNo cancel fee | On-time69% |