$49 Cheap Flights from Salt Lake City (SLC) to San Diego (SAN)

View $49 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Salt Lake City International Airport (SLC) to San Diego Intl. Airport (SAN)

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Cheap Flights from Salt Lake City to San Diego (SLC-SAN)

Prices were available within the past 7 days and start at $49 for one-way flights and $102 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Spirit Airlines
Sat, Jul 19 - Sat, Aug 2
SLC
Salt Lake City
SAN
San Diego
$102
Roundtrip
Found 11 hours ago
Select Spirit Airlines flight, departing Sat, Jul 19 from Salt Lake City to San Diego, returning Sat, Aug 2, priced at $102 Found 11 hours ago
Spirit Airlines
Wed, Aug 13 - Tue, Aug 19
SLC
Salt Lake City
SAN
San Diego
$103
Roundtrip
Found 7 hours ago
Select Spirit Airlines flight, departing Wed, Aug 13 from Salt Lake City to San Diego, returning Tue, Aug 19, priced at $103 Found 7 hours ago
Spirit Airlines
Sat, Aug 2 - Sat, Aug 9
SLC
Salt Lake City
SAN
San Diego
$104
Roundtrip
Found 1 hour ago
Select Spirit Airlines flight, departing Sat, Aug 2 from Salt Lake City to San Diego, returning Sat, Aug 9, priced at $104 Found 1 hour ago
Spirit Airlines
Mon, Aug 25 - Wed, Sep 3
SLC
Salt Lake City
SAN
San Diego
$105
Roundtrip
Found 1 hour ago
Select Spirit Airlines flight, departing Mon, Aug 25 from Salt Lake City to San Diego, returning Wed, Sep 3, priced at $105 Found 1 hour ago
Spirit Airlines
Tue, Aug 19 - Wed, Aug 27
SLC
Salt Lake City
SAN
San Diego
$106
Roundtrip
Found 3 hours ago
Select Spirit Airlines flight, departing Tue, Aug 19 from Salt Lake City to San Diego, returning Wed, Aug 27, priced at $106 Found 3 hours ago
Spirit Airlines
Fri, Aug 22 - Tue, Aug 26
SLC
Salt Lake City
SAN
San Diego
$108
Roundtrip
Found 2 hours ago
Select Spirit Airlines flight, departing Fri, Aug 22 from Salt Lake City to San Diego, returning Tue, Aug 26, priced at $108 Found 2 hours ago
Frontier Airlines
Fri, Jul 11 - Sat, Jul 19
SLC
Salt Lake City
SAN
San Diego
$119
Roundtrip
Found 3 hours ago
Select Frontier Airlines flight, departing Fri, Jul 11 from Salt Lake City to San Diego, returning Sat, Jul 19, priced at $119 Found 3 hours ago
Southwest Airlines
Thu, Aug 14 - Sat, Aug 23
SLC
Salt Lake City
SAN
San Diego
$128
Roundtrip
Found 1 hour ago
Select Southwest Airlines flight, departing Thu, Aug 14 from Salt Lake City to San Diego, returning Sat, Aug 23, priced at $128 Found 1 hour ago
American Airlines
Tue, Aug 26 - Tue, Sep 2
SLC
Salt Lake City
CLD
Carlsbad
$193
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Tue, Aug 26 from Salt Lake City to Carlsbad, returning Tue, Sep 2, priced at $193 Found 3 days ago
United
Wed, Oct 22 - Sat, Oct 25
SLC
Salt Lake City
SAN
San Diego
$197
Roundtrip
Just found
Select United flight, departing Wed, Oct 22 from Salt Lake City to San Diego, returning Sat, Oct 25, priced at $197 Just found

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city center is 26 minutes. Flights from $342
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $342
Select flight to McClellan-Palomar CLD. Average driving time to city center is 38 minutes. Flights from $275
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $275
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Flights from Salt Lake City (SLC) to San Diego (SAN)
Origin airport
Salt Lake City Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$102
Distance
626 mi

Salt Lake City to San Diego Flights

The cheapest times to fly from Salt Lake City to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Salt Lake City to San Diego are during the month of August. You can find some of the cheapest flights from Salt Lake City to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Salt Lake City to San Diego

Sunday is one of the best days to book for cheap flights from Salt Lake City to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Salt Lake City to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Salt Lake City to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $49 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Salt Lake City to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Salt Lake City to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN) cost?
Cheap return fares from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN) start at $128. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving SLC on June 30 2025 and touching down at SAN. The price was last updated on June 13 2025 and has not changed since.
What is the cheapest month to fly from SLC to SAN?
The cheapest flights from SLC to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN)?
You can choose from 3 airlines that operate direct flights from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN). Including:

  • Delta Air Lines
  • Southwest Airlines
  • Alaska Airlines

What is the cheapest airline that flies from SLC to SAN?
Currently, the cheapest carrier operating one-way flights from SLC to SAN is Frontier Airlines. You can book a seat on this route from $64. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SLC on September 7 2025. Prices were last updated on June 13 2025 and have not changed since.
How many flights per day from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN)?
With an average of 6 direct flights that operate from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN) every day, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN)?
More travelers fly between SLC and SAN at 11 AM than at any other time of day. Looking for a quieter experience? Travel outside of rush hours and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from SLC to SAN?
If you travel on a Friday, you’ll get the largest range of options for flights from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN).
What is the earliest flight from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN)?
The earliest flight leaving Salt Lake City Intl. Airport (SLC) is at around 8:00AM UTC-7. Board this plane and you’ll land at San Diego Intl. Airport (SAN) at approximately 9:10AM UTC-8. The entire trip takes 2h 10m.
How long does it take to fly from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN)?
It usually takes 2 hours and 4 minutes to fly the 630 mi from SLC to SAN.
What airline has the least delays from SLC to SAN?
Consider booking with Delta Air Lines if you’d like to go straight from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN) without any delays. This airline has the best track record for punctuality, with an on-time performance of 82%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN)?
To avoid possible delays on the Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for San Diego from Salt Lake City Intl. Airport (SLC)?
If you’re traveling on a direct flight from Salt Lake City Intl. Airport (SLC) to San Diego, San Diego Intl. Airport (SAN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN) last-minute?
Holding off until just before your departure to book a ticket from SLC to SAN often results in higher prices. While it’s possible to find some last-minute deals, there’s no guarantee. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a SLC to SAN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SLC to SAN flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Salt Lake City Intl. Airport (SLC) to San Diego Intl. Airport (SAN)?
If you reserved your SLC to SAN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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