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Cheap flights from San Francisco to San Diego from €33

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 9/11. 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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Find the cheapest flights from San Francisco to San Diego

Cheap return flights

Southwest Logo
12:15 - 19:15SFO-SAN
7h 00m1 stop
Southwest Logo
07:00 - 08:45SAN-SFO
1h 45mdirect
€65Southwest
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Tue, 4 Nov - Wed, 5 Nov
Alaska Airlines Logo
06:45 - 08:29SFO-SAN
1h 44mdirect
Alaska Airlines Logo
10:20 - 12:10SAN-SFO
1h 50mdirect
€66Alaska Airlines
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Mon, 13 Oct - Wed, 15 Oct
Southwest Logo
05:30 - 10:25SFO-SAN
4h 55m1 stop
Southwest Logo
07:05 - 08:50SAN-SFO
1h 45mdirect
€67Southwest
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Wed, 22 Oct - Fri, 24 Oct
Southwest Logo
13:55 - 15:25SFO-SAN
1h 30mdirect
Southwest Logo
06:20 - 11:30SAN-SFO
5h 10m1 stop
€69Southwest
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Sat, 8 Nov - Wed, 12 Nov
Southwest Logo
07:00 - 12:40SFO-SAN
5h 40m1 stop
Southwest Logo
20:55 - 22:35SAN-SFO
1h 40mdirect
€70Southwest
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Sat, 18 Oct - Mon, 20 Oct
Southwest Logo
05:10 - 10:15SFO-SAN
5h 05m1 stop
Southwest Logo
07:00 - 08:45SAN-SFO
1h 45mdirect
€72Southwest
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Tue, 9 Dec - Tue, 16 Dec
United Airlines Logo
22:36 - 00:15SFO-SAN
1h 39mdirect
United Airlines Logo
20:08 - 21:48SAN-SFO
1h 40mdirect
€76United Airlines
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Tue, 30 Sep - Thu, 2 Oct
United Airlines Logo
14:20 - 15:59SFO-SAN
1h 39mdirect
United Airlines Logo
19:28 - 21:08SAN-SFO
1h 40mdirect
€82United Airlines
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Sat, 11 Oct - Sat, 11 Oct
Alaska Airlines Logo
06:45 - 08:29SFO-SAN
1h 44mdirect
Alaska Airlines Logo
12:18 - 14:01SAN-SFO
1h 43mdirect
€83Alaska Airlines
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Sun, 12 Oct - Tue, 21 Oct
Frontier Logo
21:59 - 23:40SFO-SAN
1h 41mdirect
Frontier Logo
12:04 - 21:42SAN-SFO
9h 38m1 stop
€88Frontier
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Sat, 4 Oct - Mon, 6 Oct

Southwest flights from San Francisco to San Diego

Our best Southwest deals on San Francisco to San Diego flight tickets
Southwest
4 Nov
SFO12:15San Francisco
7h 00m
1 stop
SAN19:15San Diego
5 Nov
SAN07:00San Diego
1h 45m
SFO08:45San Francisco
€65
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Southwest
22 Oct
SFO05:30San Francisco
4h 55m
1 stop
SAN10:25San Diego
24 Oct
SAN07:05San Diego
1h 45m
SFO08:50San Francisco
€67
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Southwest
8 Nov
SFO13:55San Francisco
1h 30m
SAN15:25San Diego
12 Nov
SAN06:20San Diego
5h 10m
1 stop
SFO11:30San Francisco
€69
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United Airlines flights from San Francisco to San Diego

Our best United Airlines deals on San Francisco to San Diego flight tickets
United Airlines
30 Sept
SFO22:36San Francisco
1h 39m
SAN00:15San Diego
2 Oct
SAN20:08San Diego
1h 40m
SFO21:48San Francisco
€76
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United Airlines
11 Oct
SFO14:20San Francisco
1h 39m
SAN15:59San Diego
11 Oct
SAN19:28San Diego
1h 40m
SFO21:08San Francisco
€82
Find similar
United Airlines
30 Sept
SFO16:50San Francisco
1h 39m
SAN18:29San Diego
1 Oct
SAN10:38San Diego
1h 42m
SFO12:20San Francisco
€95
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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 13,528 searches. Data last updated 13 September 2025.
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

Tue 4/11

12:15-19:15

1 stop7h 00m

San Diego

Wed 5/11

07:00-08:45

Nonstop1h 45m

€65

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 13/10

06:45-08:29

Nonstop1h 44m

San Diego

Wed 15/10

10:20-12:10

Nonstop1h 50m

€66

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 22/10

05:30-10:25

1 stop4h 55m

San Diego

Fri 24/10

07:05-08:50

Nonstop1h 45m

€67

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 8/11

13:55-15:25

Nonstop1h 30m

San Diego

Wed 12/11

06:20-11:30

1 stop5h 10m

€69

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 18/10

07:00-12:40

1 stop5h 40m

San Diego

Mon 20/10

20:55-22:35

Nonstop1h 40m

€70

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 9/12

05:10-10:15

1 stop5h 05m

San Diego

Tue 16/12

07:00-08:45

Nonstop1h 45m

€72

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 30/9

22:36-00:15

Nonstop1h 39m

San Diego

Thu 2/10

20:08-21:48

Nonstop1h 40m

€76

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 11/10

14:20-15:59

Nonstop1h 39m

San Diego

Sat 11/10

19:28-21:08

Nonstop1h 40m

€82

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 12/10

06:45-08:29

Nonstop1h 44m

San Diego

Tue 21/10

12:18-14:01

Nonstop1h 43m

€83

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 4/10

21:59-23:40

Nonstop1h 41m

San Diego

Mon 6/10

12:04-21:42

1 stop9h 38m

€88

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 typical price of a round-trip flight between San Francisco and San Diego?

What is the cheapest month to fly to San Diego?

The cheapest month to fly to San Diego from San Francisco is in January. Flight prices, which tend to average around €91, are often lower during this time because this is during the off-season. If you’re not able to fly to San Diego in January, then February is your next best option. Flight prices from San Francisco to San Diego during February average around €107.

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 €119 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 €89 on momondo.

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

There is only 1 cabin class 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 September 2025, prices for San Francisco to San Diego flights are approximately 32% 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 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

€75

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 €75. The best return flight deal from San Francisco to San Diego found on momondo in the last 72 hours is €74.
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)
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  • How far is San Francisco to San Diego by plane?

    San Francisco and San Diego are 738.2 km apart from one another. By plane, this route typically takes 1h 30m.

  • 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 refreshed on a daily basis.

  • 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 travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek 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?

Why use momondo?

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

It is quick and easy to find San Francisco to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

Yes. All flights to San Diego from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from San Francisco.

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

Yes. momondo can track prices for San Francisco to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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