Route guide · 627 miles
Cheap Flights from Salt Lake City to San Diego
SLC → SAN · Nonstop 1h 46m · Live round-trip fares
Plenty of travelers price out Salt Lake City to San Diego every day — here's how to beat the average fare. Nonstops run about 1h 46m, and the calendar matters more than the airline. Aim to book 2–4 weeks ahead, stay flexible on the day of the week, and set a free alert so a price drop never slips past you.
Live fares for SLC → SAN are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
1h 46m
Nonstop, typical
Distance
627 mi
SLC → SAN
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
2
Alaska Airlines, Delta Air Lines
Nonstop flights from Salt Lake City to San Diego
The fastest way between the two cities is the nonstop: about 1h 46m for the 627-mile run from SLC to SAN. Those flights are flown by Alaska Airlines, Delta Air Lines. Prices behave best when you book 2–4 weeks out.
Booking insights: Salt Lake City → San Diego
- Distance: 627 miles · nonstop flight time: 1h 46m.
- Cheapest upcoming week in the live data starts around Oct 15, with fares from $179.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Cheapest month · Salt Lake City → San Diego
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$179
Cheapest: Sat, Oct 17 — $179
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Salt Lake City to San Diego: what you need to know
The flight
The nonstop from SLC to SAN runs about 1h 46m over 627 miles. It's a comfortable mid-range flight: long enough that seat choice matters a little, short enough that paying up for extras rarely does.
Airlines on this route
Alaska Airlines and Delta Air Lines fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Salt Lake City (SLC)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Salt Lake City airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in San Diego (SAN)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The San Diego airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check San Diego to Salt Lake City fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 627 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- Flexible dates? Search a few days either side — one day can change the fare a lot.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
Salt Lake City to San Diego flight FAQs
How long is the flight from SLC to SAN?
A nonstop from SLC to SAN clocks in at around 1h 46m for the 627-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from Salt Lake City to San Diego?
Alaska Airlines, Delta Air Lines typically operate nonstop flights from SLC to SAN. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Salt Lake City to San Diego?
There's no single magic month, but prices on this route generally soften in the shoulder season, when demand dips after the holidays and again in early fall. A free fare alert is the easiest way to catch those windows.
How much are last minute flights from SLC to SAN?
Walking up to this route at the last minute is the expensive way to do it — prices inside 7 days of departure climb fast. The 2–4 weeks booking window is where the value sits.
What is a good round-trip deal from Salt Lake City to San Diego?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Salt Lake City to San Diego?
You'll mainly see Alaska Airlines, Delta Air Lines on Salt Lake City to San Diego. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Salt Lake City airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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