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Cheap flights from Rock Springs to San Diego from $378

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rock Springs to San Diego departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Rock Springs to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:05 am - 9:05 am
RKS
-
SAN
5h 00m
1 stop
United Airlines Logo
6:30 am - 2:00 pm
SAN
-
RKS
6h 30m
1 stop
$378United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
5:05 am - 12:41 pm
RKS
-
SAN
8h 36m
1 stop
United Airlines Logo
2:24 pm - 10:21 pm
SAN
-
RKS
6h 57m
2 stops
$384United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
5:05 am - 7:55 pm
RKS
-
SAN
15h 50m
2 stops
United Airlines Logo
12:41 pm - 10:21 pm
SAN
-
RKS
8h 40m
2 stops
$389United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
5:25 am - 12:55 pm
RKS
-
SAN
8h 30m
1 stop
United Airlines Logo
7:00 am - 1:30 pm
SAN
-
RKS
5h 30m
1 stop
$423United Airlines
Sat, Sep 26 - Tue, Sep 29
United Airlines Logo
5:25 am - 8:45 pm
RKS
-
SAN
16h 20m
2 stops
United Airlines Logo
7:00 am - 1:30 pm
SAN
-
RKS
5h 30m
1 stop
$429United Airlines
Sat, Sep 26 - Tue, Sep 29
United Airlines Logo
5:25 am - 3:54 pm
RKS
-
SAN
11h 29m
2 stops
United Airlines Logo
1:24 pm - 1:30 pm
SAN
-
RKS
23h 06m
2 stops
$463United Airlines
Sat, Sep 26 - Tue, Sep 29

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United Airlines flights from Rock Springs to San Diego

Our best United Airlines deals on Rock Springs to San Diego flight tickets
United Airlines
Aug 18
RKS5:05 amRock Springs Sweetwater County
5h 00m
1 stop
SAN9:05 amSan Diego
Aug 22
SAN6:30 amSan Diego
6h 30m
1 stop
RKS2:00 pmRock Springs Sweetwater County
$378
United Airlines
Aug 18
RKS5:05 amRock Springs Sweetwater County
8h 36m
1 stop
SAN12:41 pmSan Diego
Aug 22
SAN2:24 pmSan Diego
6h 57m
2 stops
RKS10:21 pmRock Springs Sweetwater County
$384
United Airlines
Aug 18
RKS5:05 amRock Springs Sweetwater County
15h 50m
2 stops
SAN7:55 pmSan Diego
Aug 22
SAN12:41 pmSan Diego
8h 40m
2 stops
RKS10:21 pmRock Springs Sweetwater County
$389

momondo 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, momondo users made 832,500 searches. Data last updated June 19, 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

Tue 8/18

5:05 am-9:05 am

1 stop5h 00m

San Diego

Sat 8/22

6:30 am-2:00 pm

1 stop6h 30m

$378

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Tue 8/18

5:05 am-12:41 pm

1 stop8h 36m

San Diego

Sat 8/22

2:24 pm-10:21 pm

2 stops6h 57m

$384

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Tue 8/18

5:05 am-7:55 pm

2 stops15h 50m

San Diego

Sat 8/22

12:41 pm-10:21 pm

2 stops8h 40m

$389

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 9/26

5:25 am-12:55 pm

1 stop8h 30m

San Diego

Tue 9/29

7:00 am-1:30 pm

1 stop5h 30m

$423

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 9/26

5:25 am-8:45 pm

2 stops16h 20m

San Diego

Tue 9/29

7:00 am-1:30 pm

1 stop5h 30m

$429

Rock SpringsSan Diego

RKS - SAN

RKSSAN

Rock Springs Sweetwater County

Sat 9/26

5:25 am-3:54 pm

2 stops11h 29m

San Diego

Tue 9/29

1:24 pm-1:30 pm

2 stops23h 06m

$463

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Rock Springs to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Rock Springs to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rock Springs to San Diego (RKS to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rock Springs to San Diego

Fastest flight time

5h 00m

Direct flights

None
The fastest flight from Rock Springs to San Diego takes 5h 00m
There are no direct flights from Rock Springs to San Diego. There are no popular flight routes from Rock Springs to San Diego.
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Frequently asked questions about flying from Rock Springs to San Diego

  • How far is Rock Springs Sweetwater County to San Diego by plane?

    San Diego is 752.1 mi away from Rock Springs Sweetwater County. Typically, this will take 5h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Rock Springs Sweetwater County Airport to San Diego Airport?

    Prices for flights from Rock Springs Sweetwater County Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Rock Springs Sweetwater County Airport to San Diego Airport?

  • How old do you have to be to fly from Rock Springs Sweetwater County Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rock Springs Sweetwater County Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Rock Springs to San Diego?

Best airlines flying from Rock Springs to San Diego

Compare and see reviews for airlines that fly from Rock Springs to San Diego with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,860 reviews
Search United Airlines flights

Frequently asked questions about flying from Rock Springs to San Diego

  • How do I get Price Alerts for flights from Rock Springs to San Diego?

    Confirm your travel details to search for the latest offers for flights from Rock Springs to San Diego. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Rock Springs to San Diego with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
National City
Poway
La Mesa
San Ysidro
Borrego Springs
Imperial Beach
Lemon Grove
Santee
Alpine

Why use momondo?

Why should I use momondo to find a flight deal from Rock Springs to San Diego?

It is quick and easy to find Rock Springs to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Rock Springs to San Diego with flexible booking policies on momondo?

All flight searches from Rock Springs to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Rock Springs to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rock Springs to San Diego.

I’m not ready to book a flight from Rock Springs to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Rock Springs to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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