$47 Cheap Flights from Salt Lake City (SLC) to San Diego (SAN)

View $47 flight on Mon, Sep 1, 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 $47 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Sep 22 - Mon, Sep 29
SLC
Salt Lake City
SAN
San Diego
$94 Roundtrip, just found
$94
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 22 from Salt Lake City to San Diego, returning Mon, Sep 29, priced at $94 just found
Frontier Airlines
Mon, Aug 25 - Sat, Aug 30
SLC
Salt Lake City
SAN
San Diego
$96 Roundtrip, found 1 hour ago
$96
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Aug 25 from Salt Lake City to San Diego, returning Sat, Aug 30, priced at $96 found 1 hour ago
Spirit Airlines
Thu, Oct 2 - Tue, Oct 7
SLC
Salt Lake City
SAN
San Diego
$98 Roundtrip, found 1 hour ago
$98
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Thu, Oct 2 from Salt Lake City to San Diego, returning Tue, Oct 7, priced at $98 found 1 hour ago
Spirit Airlines
Wed, Sep 3 - Mon, Sep 8
SLC
Salt Lake City
SAN
San Diego
$99 Roundtrip, found 1 hour ago
$99
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Sep 3 from Salt Lake City to San Diego, returning Mon, Sep 8, priced at $99 found 1 hour ago
Spirit Airlines
Thu, Aug 21 - Tue, Sep 2
SLC
Salt Lake City
SAN
San Diego
$100 Roundtrip, found 3 hours ago
$100
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Thu, Aug 21 from Salt Lake City to San Diego, returning Tue, Sep 2, priced at $100 found 3 hours ago
Spirit Airlines
Sat, Aug 30 - Thu, Sep 4
SLC
Salt Lake City
SAN
San Diego
$101 Roundtrip, found 1 hour ago
$101
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sat, Aug 30 from Salt Lake City to San Diego, returning Thu, Sep 4, priced at $101 found 1 hour ago
Spirit Airlines
Tue, Sep 23 - Wed, Sep 24
SLC
Salt Lake City
SAN
San Diego
$102 Roundtrip, found 10 hours ago
$102
Roundtrip
found 10 hours ago
Select Spirit Airlines flight, departing Tue, Sep 23 from Salt Lake City to San Diego, returning Wed, Sep 24, priced at $102 found 10 hours ago
Southwest Airlines
Mon, Sep 22 - Mon, Sep 29
SLC
Salt Lake City
SAN
San Diego
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Sep 22 from Salt Lake City to San Diego, returning Mon, Sep 29, priced at $157 just found
Delta
Mon, Sep 22 - Mon, Sep 29
SLC
Salt Lake City
SAN
San Diego
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Mon, Sep 22 from Salt Lake City to San Diego, returning Mon, Sep 29, priced at $157 just found
American Airlines
Mon, Sep 22 - Mon, Sep 29
SLC
Salt Lake City
CLD
Carlsbad
$177 Roundtrip, just found
$177
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 22 from Salt Lake City to Carlsbad, returning Mon, Sep 29, priced at $177 just found

Find the cheapest month to fly from Salt Lake City (SLC) to San Diego (SAN)

September is typically the cheapest month to fly

From $62 - $115 per traveler.

Graph displaying average flight prices per month

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 $492
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $492
Select flight to McClellan-Palomar CLD. Average driving time to city center is 38 minutes. Flights from $307
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $307
0
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
$82
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 September. 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 $47 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 $83. 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 July 27 2025 and touching down at SAN. The price was last updated on July 3 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 $44. 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 22 2025. Prices were last updated on July 3 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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