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Cheap flights from San Francisco to San Diego from €41

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 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Southwest Logo
11:30 - 13:10SFO-SAN
1h 40mdirect
Southwest Logo
08:50 - 10:35SAN-SFO
1h 45mdirect
€81Southwest
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Tue, 13 Jan - Wed, 21 Jan
Southwest Logo
14:35 - 20:50SFO-SAN
6h 15m1 stop
Southwest Logo
15:15 - 16:55SAN-SFO
1h 40mdirect
€90Southwest
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Tue, 13 Jan - Wed, 21 Jan
Southwest Logo
06:20 - 07:50SFO-SAN
1h 30mdirect
Southwest Logo
15:15 - 16:55SAN-SFO
1h 40mdirect
€92Southwest
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Sat, 10 Jan - Tue, 13 Jan
Southwest Logo
06:05 - 16:45SFO-SAN
10h 40m2 stops
Southwest Logo
08:50 - 10:35SAN-SFO
1h 45mdirect
€94Southwest
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Tue, 13 Jan - Wed, 21 Jan
Alaska Airlines Logo
08:20 - 09:55SFO-SAN
1h 35mdirect
Alaska Airlines Logo
12:15 - 14:02SAN-SFO
1h 47mdirect
€96Alaska Airlines
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Thu, 8 Jan - Thu, 8 Jan
Southwest Logo
06:20 - 07:50SFO-SAN
1h 30mdirect
Southwest Logo
06:50 - 11:50SAN-SFO
5h 00m1 stop
€100Southwest
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Sat, 10 Jan - Tue, 13 Jan
Alaska Airlines Logo
08:20 - 09:55SFO-SAN
1h 35mdirect
Alaska Airlines Logo
06:43 - 08:32SAN-SFO
1h 49mdirect
€101Alaska Airlines
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Fri, 9 Jan - Sun, 11 Jan
Southwest Logo
09:10 - 10:45SFO-SAN
1h 35mdirect
Southwest Logo
06:45 - 08:30SAN-SFO
1h 45mdirect
€103Southwest
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Thu, 15 Jan - Mon, 19 Jan
Alaska Airlines Logo
11:41 - 13:25SFO-SAN
1h 44mdirect
Alaska Airlines Logo
17:15 - 21:55SAN-SFO
4h 40m1 stop
€104Alaska Airlines
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Mon, 12 Jan - Mon, 12 Jan
Southwest Logo
07:45 - 09:15SFO-SAN
1h 30mdirect
Southwest Logo
10:15 - 12:05SAN-SFO
1h 50mdirect
€109Southwest
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Wed, 31 Dec - Wed, 7 Jan

Southwest flights from San Francisco to San Diego

Our best Southwest deals on San Francisco to San Diego flight tickets
Southwest
13 Jan
SFO11:30San Francisco
1h 40m
SAN13:10San Diego
21 Jan
SAN08:50San Diego
1h 45m
SFO10:35San Francisco
€81
Find similar
Southwest
13 Jan
SFO14:35San Francisco
6h 15m
1 stop
SAN20:50San Diego
21 Jan
SAN15:15San Diego
1h 40m
SFO16:55San Francisco
€90
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Southwest
10 Jan
SFO06:20San Francisco
1h 30m
SAN07:50San Diego
13 Jan
SAN15:15San Diego
1h 40m
SFO16:55San Francisco
€92
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Alaska Airlines flights from San Francisco to San Diego

Our best Alaska Airlines deals on San Francisco to San Diego flight tickets
Alaska Airlines
8 Jan
SFO08:20San Francisco
1h 35m
SAN09:55San Diego
8 Jan
SAN12:15San Diego
1h 47m
SFO14:02San Francisco
€96
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Alaska Airlines
9 Jan
SFO08:20San Francisco
1h 35m
SAN09:55San Diego
11 Jan
SAN06:43San Diego
1h 49m
SFO08:32San Francisco
€101
Find similar
Alaska Airlines
12 Jan
SFO11:41San Francisco
1h 44m
SAN13:25San Diego
12 Jan
SAN17:15San Diego
4h 40m
1 stop
SFO21:55San Francisco
€104
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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 1 December 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 13/1

11:30-13:10

Nonstop1h 40m

San Diego

Wed 21/1

08:50-10:35

Nonstop1h 45m

€81

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 13/1

14:35-20:50

1 stop6h 15m

San Diego

Wed 21/1

15:15-16:55

Nonstop1h 40m

€90

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 10/1

06:20-07:50

Nonstop1h 30m

San Diego

Tue 13/1

15:15-16:55

Nonstop1h 40m

€92

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 13/1

06:05-16:45

2 stops10h 40m

San Diego

Wed 21/1

08:50-10:35

Nonstop1h 45m

€94

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 8/1

08:20-09:55

Nonstop1h 35m

San Diego

Thu 8/1

12:15-14:02

Nonstop1h 47m

€96

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 10/1

06:20-07:50

Nonstop1h 30m

San Diego

Tue 13/1

06:50-11:50

1 stop5h 00m

€100

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 9/1

08:20-09:55

Nonstop1h 35m

San Diego

Sun 11/1

06:43-08:32

Nonstop1h 49m

€101

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 15/1

09:10-10:45

Nonstop1h 35m

San Diego

Mon 19/1

06:45-08:30

Nonstop1h 45m

€103

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 12/1

11:41-13:25

Nonstop1h 44m

San Diego

Mon 12/1

17:15-21:55

1 stop4h 40m

€104

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 31/12

07:45-09:15

Nonstop1h 30m

San Diego

Wed 7/1

10:15-12:05

Nonstop1h 50m

€109

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 cheapest month to fly to San Diego from San Francisco is in January. Flight prices, which tend to average around €99, 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 €109.

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

According to our data, the cheapest time of day to fly to San Diego is in the morning. momondo users have found flights departing from San Francisco to San Diego in the morning for as low as €76. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to San Diego, so prices are often more expensive at around €87 per ticket.

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 €130 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 €99 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 December 2025, prices for San Francisco to San Diego flights are approximately 50% 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

Fastest flight time

1h 44m

Direct flights

Every day

Airports in San Diego

1 airport
The fastest flight from San Francisco to San Diego takes 1h 44m
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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