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Cheap flights from San Francisco to San Diego from $27

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to San Diego departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Francisco to San Diego.
Frontier Logo
9:35 am - 11:17 amSFO-SAN
1h 42mnonstop
Frontier Logo
5:22 pm - 7:05 pmSAN-SFO
1h 43mnonstop
$57Frontier
Find Deal
Sun, Jun 15 - Wed, Jun 18
Frontier Logo
4:44 pm - 6:28 pmSFO-SAN
1h 44mnonstop
Frontier Logo
8:32 am - 10:23 amSAN-SFO
1h 51mnonstop
$58Frontier
Find Deal
Fri, May 2 - Mon, May 5
United Airlines Logo
4:49 pm - 6:29 pmSFO-SAN
1h 40mnonstop
United Airlines Logo
7:35 pm - 9:20 pmSAN-SFO
1h 45mnonstop
$72United Airlines
Find Deal
Wed, Apr 30 - Wed, Apr 30
Alaska Airlines Logo
6:00 am - 7:39 amSFO-SAN
1h 39mnonstop
Alaska Airlines Logo
10:15 pm - 11:53 pmSAN-SFO
1h 38mnonstop
$77Alaska Airlines
Find Deal
Tue, Jun 3 - Sat, Jun 7
Alaska Airlines Logo
6:00 am - 7:39 amSFO-SAN
1h 39mnonstop
Alaska Airlines Logo
7:45 pm - 9:30 pmSAN-SFO
1h 45mnonstop
$87Alaska Airlines
Find Deal
Mon, Apr 14 - Wed, Apr 23
United Airlines Logo
4:49 pm - 6:29 pmSFO-SAN
1h 40mnonstop
United Airlines Logo
7:35 pm - 9:20 pmSAN-SFO
1h 45mnonstop
$94United Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 23
Southwest Logo
6:35 am - 8:05 amSFO-SAN
1h 30mnonstop
Southwest Logo
5:45 pm - 12:50 amSAN-SFO
7h 05m1 stop
$132Southwest
Find Deal
Thu, May 8 - Sun, May 11
Southwest Logo
6:35 am - 8:05 amSFO-SAN
1h 30mnonstop
Southwest Logo
2:45 pm - 10:40 pmSAN-SFO
7h 55m2 stops
$148Southwest
Find Deal
Tue, Apr 22 - Wed, Apr 23
American Airlines Logo
3:54 pm - 9:37 pmSFO-SAN
5h 43m1 stop
American Airlines Logo
7:30 pm - 11:58 pmSAN-SFO
4h 28m1 stop
$159American Airlines
Find Deal
Fri, Apr 18 - Thu, Apr 24
American Airlines Logo
12:06 pm - 6:28 pmSFO-SAN
6h 22m1 stop
American Airlines Logo
7:30 pm - 11:58 pmSAN-SFO
4h 28m1 stop
$163American Airlines
Find Deal
Tue, Apr 22 - Sat, Apr 26

Frontier flights from San Francisco to San Diego

Our best Frontier deals on San Francisco to San Diego flight tickets
Frontier
Jun 15
SFO9:35 amSan Francisco
1h 42m
SAN11:17 amSan Diego
Jun 18
SAN5:22 pmSan Diego
1h 43m
SFO7:05 pmSan Francisco
Frontier
May 2
SFO4:44 pmSan Francisco
1h 44m
SAN6:28 pmSan Diego
May 5
SAN8:32 amSan Diego
1h 51m
SFO10:23 amSan Francisco
Frontier
May 9
SFO4:44 pmSan Francisco
1h 44m
SAN6:28 pmSan Diego
May 11
SAN8:32 amSan Diego
1h 51m
SFO10:23 amSan Francisco

United Airlines flights from San Francisco to San Diego

Our best United Airlines deals on San Francisco to San Diego flight tickets
United Airlines
Apr 30
SFO4:49 pmSan Francisco
1h 40m
SAN6:29 pmSan Diego
Apr 30
SAN7:35 pmSan Diego
1h 45m
SFO9:20 pmSan Francisco
United Airlines
Apr 11
SFO7:15 amSan Francisco
1h 36m
SAN8:51 amSan Diego
Apr 19
SAN7:40 amSan Diego
1h 42m
SFO9:22 amSan Francisco
United Airlines
Apr 23
SFO4:49 pmSan Francisco
1h 40m
SAN6:29 pmSan Diego
Apr 23
SAN7:35 pmSan Diego
1h 45m
SFO9:20 pmSan Francisco

See travel insights to San Diego from

How to get the cheapest flight ticket from San Francisco to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $125.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from San Francisco to San Diego is on a Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $146. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $190. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $156. Flights at noon are often more expensive with an average ticket price of $250.

What is the cheapest San Francisco to San Diego flight route?

Fly from San Francisco to San Diego for the best San Francisco - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from San Francisco when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $151 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from San Francisco for as low as $114 on momondo.

What cabin class options are available on San Francisco to San Diego flights?

There are 4 cabin classes available to choose from on San Francisco to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Francisco to San Diego flight prices changed over time?

As of April 2025, prices for San Francisco to San Diego flights are approximately 52% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to San Diego (SFO to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Diego

Best Price Found

$27

Fastest flight time

1h 30m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from San Francisco in the past 72 hours is $27. The best round-trip flight deal from San Francisco to San Diego found on momondo in the last 72 hours is $57.
The fastest flight from San Francisco to San Diego takes 1h 30m
Direct flights go from San Francisco to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is San Francisco to San Diego by plane?

    A flight from San Francisco to San Diego will travel around 458.7 mi. 1h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Francisco Airport to San Diego Airport?

    Prices for flights from San Francisco Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to San Diego Airport?

  • How old do you have to be to fly from San Francisco Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to San Diego?

  • What is the most popular airline from San Francisco to San Diego?


Best airlines flying from San Francisco to San Diego

Compare and see reviews for airlines that fly from San Francisco to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $28Free CancellationRating
7.9
2,344 reviews
Search Hawaiian Airlines flights
Spirit AirlinesPriceFrom $29Free CancellationRating
6.3
7,889 reviews
Search Spirit Airlines flights
FrontierPriceFrom $38Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
United AirlinesPriceFrom $58Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $82Free CancellationRating
8.0
9,827 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,274 reviews
Search Southwest flights
DeltaPriceFrom $157Free CancellationRating
8.0
7,897 reviews
Search Delta flights
American AirlinesPriceFrom $185Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Alaska Airlines Flights From San Francisco to San Diego

    Alaska Airlines is one of the most popular airlines flying from San Francisco to San Diego, operating 45 flights/week on average for this route. A good Alaska Airlines flight deal for San Francisco to San Diego starts from $82 round-trip, up to an average price of $224. Our users have rated Alaska Airlines at 8.0/10.

  • Southwest Flights From San Francisco to San Diego

    Another popular option for San Francisco to San Diego flights is Southwest (8.0/10, 4,274 ratings). Southwest flies from San Francisco to San Diego around 23 times per week, with deals starting from $97 round-trip and rising to an average price of around $200.


Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Lemon Grove
Imperial Beach
San Ysidro
Borrego Springs
Poway
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from San Francisco with this policy.

How can momondo help me find flights from San Francisco to San Diego?

momondo helps you find the best flight between San Francisco and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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