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Cheap flights from San Francisco to San Diego from €50

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 14/4. 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 return flights

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Southwest Logo
16:40 - 21:40
SFO
-
SAN
5h 00m
1 stop
Southwest Logo
10:30 - 17:15
SAN
-
SFO
6h 45m
1 stop
€99Southwest
Sat, 28 Feb - Sat, 7 Mar
Southwest Logo
16:40 - 21:40
SFO
-
SAN
5h 00m
1 stop
Southwest Logo
07:40 - 09:20
SAN
-
SFO
1h 40mdirect
€103Southwest
Sat, 28 Feb - Sun, 1 Mar
United Airlines Logo
18:46 - 20:39
SFO
-
SAN
1h 53mdirect
United Airlines Logo
06:36 - 08:24
SAN
-
SFO
1h 48mdirect
€104United Airlines
Tue, 7 Apr - Fri, 10 Apr
United Airlines Logo
07:00 - 08:40
SFO
-
SAN
1h 40mdirect
United Airlines Logo
11:57 - 13:44
SAN
-
SFO
1h 47mdirect
€106United Airlines
Mon, 2 Mar - Wed, 4 Mar
United Airlines Logo
07:00 - 08:40
SFO
-
SAN
1h 40mdirect
United Airlines Logo
06:15 - 08:05
SAN
-
SFO
1h 50mdirect
€107United Airlines
Fri, 6 Mar - Sun, 8 Mar
Southwest Logo
06:20 - 17:45
SFO
-
SAN
11h 25m
2 stops
Southwest Logo
18:30 - 22:45
SAN
-
SFO
4h 15m
1 stop
€108Southwest
Tue, 7 Apr - Tue, 14 Apr
United Airlines Logo
06:30 - 08:04
SFO
-
SAN
1h 34mdirect
United Airlines Logo
11:06 - 12:52
SAN
-
SFO
1h 46mdirect
€112United Airlines
Mon, 18 May - Wed, 20 May
Southwest Logo
06:20 - 17:45
SFO
-
SAN
11h 25m
2 stops
Southwest Logo
20:45 - 22:25
SAN
-
SFO
1h 40mdirect
€112Southwest
Tue, 7 Apr - Thu, 9 Apr
United Airlines Logo
22:40 - 00:28
SFO
-
SAN
1h 48mdirect
United Airlines Logo
06:20 - 10:55
SAN
-
SFO
4h 35m
1 stop
€116United Airlines
Wed, 20 May - Sat, 23 May
United Airlines Logo
22:35 - 00:14
SFO
-
SAN
1h 39mdirect
United Airlines Logo
09:54 - 11:44
SAN
-
SFO
1h 50mdirect
€117United Airlines
Fri, 6 Mar - Mon, 9 Mar

Alaska Airlines flights from San Francisco to San Diego

Our best Alaska Airlines deals on San Francisco to San Diego flight tickets
Alaska Airlines
26 Feb
SFO06:40San Francisco
1h 38m
SAN08:18San Diego
26 Feb
SAN22:09San Diego
1h 50m
SFO23:59San Francisco
€120
Alaska Airlines
25 Feb
SFO06:40San Francisco
1h 38m
SAN08:18San Diego
4 Mar
SAN15:07San Diego
6h 36m
1 stop
SFO21:43San Francisco
€135
Alaska Airlines
21 Apr
SFO07:20San Francisco
4h 41m
1 stop
SAN12:01San Diego
6 May
SAN21:12San Diego
1h 49m
SFO23:01San Francisco
€137

Delta flights from San Francisco to San Diego

Our best Delta deals on San Francisco to San Diego flight tickets
Delta
26 Feb
SFO06:00San Francisco
3h 55m
1 stop
SAN09:55San Diego
3 Mar
SAN09:50San Diego
6h 19m
1 stop
SFO16:09San Francisco
€133
Delta
17 Feb
SFO06:00San Francisco
3h 55m
1 stop
SAN09:55San Diego
19 Feb
SAN19:25San Diego
3h 39m
1 stop
SFO23:04San Francisco
€210
Delta
17 Feb
SFO06:00San Francisco
3h 55m
1 stop
SAN09:55San Diego
20 Feb
SAN19:25San Diego
3h 39m
1 stop
SFO23:04San Francisco
€232

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 3 February 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

Sat 28/2

16:40-21:40

1 stop5h 00m

San Diego

Sat 7/3

10:30-17:15

1 stop6h 45m

€99

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 28/2

16:40-21:40

1 stop5h 00m

San Diego

Sun 1/3

07:40-09:20

Nonstop1h 40m

€103

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 7/4

18:46-20:39

Nonstop1h 53m

San Diego

Fri 10/4

06:36-08:24

Nonstop1h 48m

€104

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 2/3

07:00-08:40

Nonstop1h 40m

San Diego

Wed 4/3

11:57-13:44

Nonstop1h 47m

€106

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 6/3

07:00-08:40

Nonstop1h 40m

San Diego

Sun 8/3

06:15-08:05

Nonstop1h 50m

€107

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 7/4

06:20-17:45

2 stops11h 25m

San Diego

Tue 14/4

18:30-22:45

1 stop4h 15m

€108

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 18/5

06:30-08:04

Nonstop1h 34m

San Diego

Wed 20/5

11:06-12:52

Nonstop1h 46m

€112

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 7/4

06:20-17:45

2 stops11h 25m

San Diego

Thu 9/4

20:45-22:25

Nonstop1h 40m

€112

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 20/5

22:40-00:28

Nonstop1h 48m

San Diego

Sat 23/5

06:20-10:55

1 stop4h 35m

€116

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 6/3

22:35-00:14

Nonstop1h 39m

San Diego

Mon 9/3

09:54-11:44

Nonstop1h 50m

€117

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 March. Flight prices, which tend to average around €112, are often lower during this time because this is during the off-season. 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 €112.

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 Sunday when prices can be found for as low as €74. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Thursday is €333.

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 €83. 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 €85 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 €138 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 €101 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 February 2026, prices for San Francisco to San Diego flights are approximately 30% 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

€143

Fastest flight time

1h 33m

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 €143. The best return flight deal from San Francisco to San Diego found on momondo in the last 72 hours is €333.
The fastest flight from San Francisco to San Diego takes 1h 33m
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).
Search flight deals

  • 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 33m.

  • 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 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 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?

  • 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
FrontierPriceFrom €74Free CancellationRating
5.7
3,051 reviews
Search Frontier flights

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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