Cheap flights from San Francisco to San Diego from $85

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 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

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Southwest Logo
14:00 - 21:50
SFO
-
SAN
7h 50m
1 stop
Southwest Logo
06:25 - 08:15
SAN
-
SFO
1h 50mdirect
$168Southwest
Wed, 25 Feb - Fri, 27 Feb
Southwest Logo
05:00 - 11:25
SFO
-
SAN
6h 25m
1 stop
Southwest Logo
06:25 - 08:15
SAN
-
SFO
1h 50mdirect
$176Southwest
Sat, 28 Feb - Sun, 1 Mar
United Airlines Logo
17:05 - 18:48
SFO
-
SAN
1h 43mdirect
United Airlines Logo
11:00 - 12:46
SAN
-
SFO
1h 46mdirect
$178United Airlines
Sat, 28 Feb - Sat, 25 Apr
United Airlines Logo
17:05 - 18:48
SFO
-
SAN
1h 43mdirect
United Airlines Logo
09:54 - 11:44
SAN
-
SFO
1h 50mdirect
$181United Airlines
Sat, 21 Feb - Mon, 2 Mar
Alaska Airlines Logo
06:40 - 08:18
SFO
-
SAN
1h 38mdirect
Alaska Airlines Logo
22:09 - 23:59
SAN
-
SFO
1h 50mdirect
$183Alaska Airlines
Thu, 26 Feb - Wed, 4 Mar
United Airlines Logo
07:00 - 08:40
SFO
-
SAN
1h 40mdirect
United Airlines Logo
11:57 - 13:44
SAN
-
SFO
1h 47mdirect
$190United Airlines
Fri, 27 Feb - Tue, 3 Mar
Southwest Logo
06:20 - 17:45
SFO
-
SAN
11h 25m
2 stops
Southwest Logo
16:25 - 23:15
SAN
-
SFO
6h 50m
2 stops
$191Southwest
Tue, 7 Apr - Tue, 14 Apr
Southwest Logo
13:50 - 15:20
SFO
-
SAN
1h 30mdirect
Southwest Logo
06:50 - 08:35
SAN
-
SFO
1h 45mdirect
$193Southwest
Tue, 17 Feb - Sat, 21 Feb
United Airlines Logo
07:00 - 08:40
SFO
-
SAN
1h 40mdirect
United Airlines Logo
06:15 - 11:50
SAN
-
SFO
5h 35m
1 stop
$196United Airlines
Thu, 5 Mar - Mon, 9 Mar
Alaska Airlines Logo
06:40 - 08:18
SFO
-
SAN
1h 38mdirect
Alaska Airlines Logo
22:09 - 23:59
SAN
-
SFO
1h 50mdirect
$197Alaska Airlines
Fri, 20 Feb - Wed, 25 Feb

United Airlines flights from San Francisco to San Diego

Our best United Airlines deals on San Francisco to San Diego flight tickets
United Airlines
28 Feb
SFO17:05San Francisco
1h 43m
SAN18:48San Diego
25 Apr
SAN11:00San Diego
1h 46m
SFO12:46San Francisco
$178
United Airlines
21 Feb
SFO17:05San Francisco
1h 43m
SAN18:48San Diego
2 Mar
SAN09:54San Diego
1h 50m
SFO11:44San Francisco
$181
United Airlines
27 Feb
SFO07:00San Francisco
1h 40m
SAN08:40San Diego
3 Mar
SAN11:57San Diego
1h 47m
SFO13:44San Francisco
$190

Southwest flights from San Francisco to San Diego

Our best Southwest deals on San Francisco to San Diego flight tickets
Southwest
25 Feb
SFO05:05San Francisco
5h 50m
1 stop
SAN10:55San Diego
4 Mar
SAN14:20San Diego
8h 00m
1 stop
SFO22:20San Francisco
$168
Southwest
28 Feb
SFO05:00San Francisco
6h 25m
1 stop
SAN11:25San Diego
1 Mar
SAN06:25San Diego
1h 50m
SFO08:15San Francisco
$176
Southwest
7 Apr
SFO06:20San Francisco
11h 25m
2 stops
SAN17:45San Diego
14 Apr
SAN16:25San Diego
6h 50m
2 stops
SFO23:15San Francisco
$191

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from San Francisco to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 25/2

14:00-21:50

1 stop7h 50m

San Diego

Fri 27/2

06:25-08:15

Nonstop1h 50m

$168

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 28/2

05:00-11:25

1 stop6h 25m

San Diego

Sun 1/3

06:25-08:15

Nonstop1h 50m

$176

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 28/2

17:05-18:48

Nonstop1h 43m

San Diego

Sat 25/4

11:00-12:46

Nonstop1h 46m

$178

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 21/2

17:05-18:48

Nonstop1h 43m

San Diego

Mon 2/3

09:54-11:44

Nonstop1h 50m

$181

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 26/2

06:40-08:18

Nonstop1h 38m

San Diego

Wed 4/3

22:09-23:59

Nonstop1h 50m

$183

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 27/2

07:00-08:40

Nonstop1h 40m

San Diego

Tue 3/3

11:57-13:44

Nonstop1h 47m

$190

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 7/4

06:20-17:45

2 stops11h 25m

San Diego

Tue 14/4

16:25-23:15

2 stops6h 50m

$191

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 17/2

13:50-15:20

Nonstop1h 30m

San Diego

Sat 21/2

06:50-08:35

Nonstop1h 45m

$193

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 5/3

07:00-08:40

Nonstop1h 40m

San Diego

Mon 9/3

06:15-11:50

1 stop5h 35m

$196

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 20/2

06:40-08:18

Nonstop1h 38m

San Diego

Wed 25/2

22:09-23:59

Nonstop1h 50m

$197

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of March is, on average, the cheapest month to fly to San Diego from San Francisco, with most prices found around $190. If you’re not able to fly to San Diego in March, then July is your next best option. Flight prices from San Francisco to San Diego during July average around $191.

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

On average, the least expensive day to fly to San Diego from San Francisco is on a Friday. momondo users have found tickets for Friday departures for as low as $154. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $308.

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

Our data shows that the cheapest San Francisco to San Diego flights are usually those with departure times in the morning. Our users have found flights to San Diego in the morning for as low as $154. Try not to purchase tickets at midday because they tend to be around $308. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $233 when searching weeks before you fly. 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 $171 on momondo.

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

There are 2 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 January 2026, prices for San Francisco to San Diego flights are approximately 2% more expensive 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 return 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

$185

Fastest flight time

1h 39m

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 $185. The best return flight deal from San Francisco to San Diego found on momondo in the last 72 hours is $160.
The fastest flight from San Francisco to San Diego takes 1h 39m
Direct flights go from San Francisco to San Diego every day.
There is 1 airport in San Diego. From San Francisco there are direct flights to San Diego (SAN).
  • How far is San Francisco to San Diego by plane?

    San Diego is 738.2 km away from San Francisco. By plane, this route typically takes 1h 39m.

  • 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 are updated daily.

  • 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 licence 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
Alaska AirlinesPriceFrom $154Free cancellationRating
8.0
11,801 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From San Francisco to San Diego

    The lowest priced Alaska Airlines flight from San Francisco to San Diego from the last 72 hours was $154. Generally, Alaska Airlines has 31 flights on this route every week with an average price of $308. Alaska Airlines is rated 8.0/10 by our users.

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Lemon Grove

Why use momondo?

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

Finding the right flight to San Diego from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

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

Flights from San Francisco to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Price alerts on flights to San Diego from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Diego trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
Fri 27/2
Fri 6/3

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