Cheap Flights from San Francisco to San Diego

Cheapest flights from San Francisco to San Diego

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Francisco to San Diego. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$25

Alaska Airlines

Direct flight

1h 35m

05/13/2025

The cheapest one-way flight from San Francisco to San Diego departs on 05/13/2025, is operated by Alaska Airlines and costs $25

Cheapest round trip flight

$70

Alaska Airlines

Direct flight

3h 15m

04/29/2025

The cheapest roundtrip flight from San Francisco to San Diego departs on 04/29/2025, is operated by Alaska Airlines and costs $70

The fastest flight

1h 35m

Fastest flight from San Francisco to San Diego takes 1h 35m

Direct flights

Several times a week

There are direct flights on this route 4 days a week: Tu, Th, Fr, and Sa

Earliest flight

6:30 AM

Latest flight

10:40 PM

Average flight duration

1h 39m

Direct flights count

238

Distance

737km

Timezone difference

0h

The distance between San Francisco and San Diego is 737km (457 miles). The average flight duration is 1h 39m. There are 238 direct flights from San Francisco to San Diego. San Francisco and San Diego are in the same time zone. Flights from San Francisco begin at 6:30 AM. The latest flight from San Francisco departs at 10:40 PM.

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from San Francisco to San Diego by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from San Francisco to San Diego

May 2025

Lowest price

on average:

$25

July 2025

Highest price

on average:

$47

Avg Price

Airlines operating on route

Below you will find a list of airlines operating flights on the San Francisco — San Diego route and the starting prices for flights of each specific airline on it.

Alaska Airlines

Starting at $25

Frontier Airlines

Starting at $27

United Airlines

Starting at $56

Direct Flights from San Francisco to San Diego

A direct flight is the most convenient and comfortable way to fly from San Francisco to San Diego, despite the fact that sometimes flights with transfers can cost significantly less.

San Francisco — San Diego

SFO — SAN

05/14/2025

Departure date

Direct flight

UA2861

Starting at $56

San Francisco — San Diego

SFO — SAN

05/30/2025

Departure date

Direct flight

UA1340

Starting at $110

San Francisco — San Diego

SFO — SAN

05/01/2025

Departure date

Direct flight

AS3284

Starting at $141

San Francisco — San Diego

SFO — SAN

05/02/2025

Departure date

Direct flight

AS7014

Starting at $141

San Francisco — San Diego

SFO — SAN

05/04/2025

Departure date

Direct flight

AS3133

Starting at $119

San Francisco — San Diego

SFO — SAN

06/26/2025

Departure date

Direct flight

F94306

Starting at $40

San Francisco — San Diego

SFO — SAN

07/10/2025

Departure date

Direct flight

WN662

Starting at $63

San Francisco — San Diego

SFO — SAN

07/19/2025

Departure date

Direct flight

WN1252

Starting at $63

San Francisco — San Diego

SFO — SAN

07/25/2025

Departure date

Direct flight

AS9328

Starting at $160

San Francisco — San Diego

SFO — SAN

08/01/2025

Departure date

Direct flight

UA1074

Starting at $56

Schedule of direct flights from San Francisco to San Diego

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from San Francisco to San Diego:

Frontier Airlines

Su, Mo, Th, Fr, and Sa

Starting at $47

Southwest Airlines

Every day

Starting at $55

United Airlines

Every day

Starting at $56

San Francisco airports overview

SFO

San Francisco International Airport

Airlines flying to this airport

$25

Starting at

$47

on average

San Diego airports overview

SAN

San Diego International Airport

Airlines flying to this airport

$25

Starting at

$47

on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from San Francisco to San Diego?

The cheapest flight ticket from San Francisco to San Diego according to data for the last 48 hours costs $25

When is the best time to buy air tickets on the route San Francisco — San Diego?

Often the best time to buy tickets from San Francisco to San Diego is 2 months before departure.

When is the cheapest time of year to fly from San Francisco to San Diego?

Based on statistics over the past years, the lowest prices for flights from San Francisco to San Diego can be found flying in these months: May, July.

How long does it take to fly from San Francisco to San Diego?

The fastest flights from San Francisco to San Diego start from 1 hour 35 minutes in the air.

Which airline can fly direct from San Francisco to San Diego?

The following airlines operate direct flights on the route San Francisco — San Diego: United Airlines, Alaska Airlines, Frontier Airlines

Special offers and sales on air tickets from San Francisco to San Diego

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

San Francisco — San Diego

July 31

Southwest Airlines

$63

Alternative routes

Concord ➜ San Diego•Berkeley ➜ San Diego•Modesto ➜ San Diego•Sacramento ➜ San Diego•Stockton ➜ San Diego•San Jose ➜ San Diego•Santa Rosa ➜ San Diego•San Francisco ➜ Bakersfield•San Francisco ➜ Long Beach•San Francisco ➜ Mexicali•San Francisco ➜ Phoenix•San Francisco ➜ Santa Barbara•San Francisco ➜ Santa Maria•San Francisco ➜ Tijuana•San Francisco ➜ Yuma

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