Cheap flights from San Francisco to San Diego

Choose between Frontier Airlines, Southwest Airlines, or United Airlines to find the best price

Travelers usually depart from San Francisco International, San Francisco, CA-Salesforce Plaza, or San Francisco Train Station when they travel from San Francisco to San Diego. Book your trip to arrive at San Diego International, San Diego bus station, San Diego Old Town station, San Diego Santa Fe railway station, or San Diego-La Jolla. The distance between San Francisco and San Diego is 720 km. The most popular airlines for this route are Frontier Airlines, Southwest Airlines, United Airlines, Alaska Airlines, and Delta Air Lines. San Francisco and San Diego have 211 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights64212256-2028

Fly direct with

Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from San Francisco to San Diego

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Frontier AirlinesFFTF9NoUnknownNo
Southwest AirlinesSWAWNNoUnknownNo
United AirlinesUALUAYesUnknownNo
Alaska AirlinesASAASYesUnknownNo
Delta Air LinesDALDLYesUnknownNo

Frequently asked questions

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

A one-way nonstop (direct) flight between San Francisco and San Diego takes around 1.5 hours.

What is the flight distance between San Francisco and San Diego?

The flight distance between San Francisco and San Diego is 720 km.

What airlines offer nonstop (direct) flights between San Francisco and San Diego?

Several carriers operate flights between San Francisco and San Diego. Airlines offering nonstop (direct) flights include Alaska Airlines, Southwest Airlines, United Airlines.

What are the most popular routes to and from San Francisco?

Travelers frequently search for route combinations, such as San Francisco and Los Angeles International, McCarran International, Newark Liberty International, Denver International, Dallas/Fort Worth International, Phoenix Sky Harbor International, Seattle–Tacoma International, O Hare International, San Diego International, Minneapolis–Saint Paul International, Salt Lake City International.

What are the most popular routes to and from San Diego?

Travelers frequently search for route combinations, such as San Diego and McCarran International, Orlando International, Fort Lauderdale–Hollywood International, Denver International, San Francisco International, Dallas/Fort Worth International, George Bush Intercontinental, Tampa International, Phoenix Sky Harbor International, Seattle–Tacoma International, Baltimore–Washington International.

What airports are near San Francisco?

The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Stockton Metropolitan, Monterey Regional, Merced Regional, Buchanan Field, Charles M. Schulz–Sonoma County.

What airports are near San Diego?

The main airport in San Diego is San Diego International. It is also served by Tijuana International, John Wayne, Hollywood Burbank, Ontario International, Mexicali International, Palm Springs International, Long Beach, Imperial County, Cable, Hawthorne Municipal.

What buses and trains depart from San Francisco?

A number of bus and train companies depart from San Francisco, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Francisco and San Diego?

What is Virtual Interlining and how do I use it?

Which airlines fly between San Francisco and San Diego?

When's the best time to travel between San Francisco and San Diego?

What flights operate between San Francisco and San Diego?

How many airports are there near San Francisco?

How many airports are there near San Diego?

Is it possible to reach San Francisco by bus or train?

What time do nonstop (direct) flights between San Francisco and San Diego depart?

What time do nonstop (direct) flights between San Francisco and San Diego arrive?

What time do flights between San Francisco and San Diego depart?

What time do flights between San Francisco and San Diego arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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