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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 1/4. 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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Southwest Logo
05:50 - 07:20
SFO
-
SAN
1h 30mdirect
Southwest Logo
06:25 - 08:15
SAN
-
SFO
1h 50mdirect
€100Southwest
Fri, 27 Feb - Sun, 1 Mar
Southwest Logo
06:20 - 17:45
SFO
-
SAN
11h 25m
2 stops
Southwest Logo
18:45 - 20:25
SAN
-
SFO
1h 40mdirect
€101Southwest
Wed, 22 Apr - Sat, 25 Apr
United Airlines Logo
10:14 - 11:55
SFO
-
SAN
1h 41mdirect
United Airlines Logo
06:36 - 08:24
SAN
-
SFO
1h 48mdirect
€103United Airlines
Wed, 1 Apr - Sun, 5 Apr
Southwest Logo
06:05 - 16:45
SFO
-
SAN
10h 40m
2 stops
Southwest Logo
18:50 - 23:15
SAN
-
SFO
4h 25m
1 stop
€104Southwest
Wed, 11 Feb - Sat, 14 Feb
United Airlines Logo
07:00 - 08:40
SFO
-
SAN
1h 40mdirect
United Airlines Logo
07:45 - 09:35
SAN
-
SFO
1h 50mdirect
€106United Airlines
Thu, 12 Feb - Wed, 18 Feb
United Airlines Logo
22:40 - 00:15
SFO
-
SAN
1h 35mdirect
United Airlines Logo
06:15 - 08:05
SAN
-
SFO
1h 50mdirect
€107United Airlines
Wed, 11 Feb - Fri, 13 Feb
Alaska Airlines Logo
08:11 - 09:49
SFO
-
SAN
1h 38mdirect
Alaska Airlines Logo
22:09 - 23:59
SAN
-
SFO
1h 50mdirect
€108Alaska Airlines
Mon, 2 Mar - Mon, 2 Mar
Hawaiian Airlines Logo
06:40 - 08:18
SFO
-
SAN
1h 38mdirect
Hawaiian Airlines Logo
06:15 - 22:56
SAN
-
SFO
16h 41m
1 stop
€109Hawaiian Airlines
Thu, 5 Mar - Mon, 9 Mar
Southwest Logo
06:10 - 07:40
SFO
-
SAN
1h 30mdirect
Southwest Logo
12:25 - 14:10
SAN
-
SFO
1h 45mdirect
€115Southwest
Thu, 19 Feb - Mon, 23 Feb
United Airlines Logo
07:00 - 08:40
SFO
-
SAN
1h 40mdirect
United Airlines Logo
06:15 - 08:05
SAN
-
SFO
1h 50mdirect
€115United Airlines
Fri, 27 Feb - Sun, 1 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
2 Mar
SFO08:11San Francisco
1h 38m
SAN09:49San Diego
2 Mar
SAN22:09San Diego
1h 50m
SFO23:59San Francisco
€108
Alaska Airlines
27 Mar
SFO06:35San Francisco
1h 40m
SAN08:15San Diego
31 Mar
SAN20:59San Diego
1h 53m
SFO22:52San Francisco
€117
Alaska Airlines
25 Mar
SFO21:07San Francisco
10h 38m
1 stop
SAN07:45San Diego
31 Mar
SAN20:59San Diego
1h 53m
SFO22:52San Francisco
€120

Delta flights from San Francisco to San Diego

Our best Delta deals on San Francisco to San Diego flight tickets
Delta
30 Mar
SFO19:19San Francisco
4h 29m
1 stop
SAN23:48San Diego
1 Apr
SAN19:05San Diego
4h 54m
1 stop
SFO23:59San Francisco
€126
Delta
31 Mar
SFO06:00San Francisco
3h 55m
1 stop
SAN09:55San Diego
31 Mar
SAN19:05San Diego
4h 54m
1 stop
SFO23:59San Francisco
€131
Delta
25 Mar
SFO18:28San Francisco
4h 27m
1 stop
SAN22:55San Diego
2 Apr
SAN19:05San Diego
4h 54m
1 stop
SFO23:59San Francisco
€134

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 21 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

Fri 27/2

05:50-07:20

Nonstop1h 30m

San Diego

Sun 1/3

06:25-08:15

Nonstop1h 50m

€100

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 22/4

06:20-17:45

2 stops11h 25m

San Diego

Sat 25/4

18:45-20:25

Nonstop1h 40m

€101

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 1/4

10:14-11:55

Nonstop1h 41m

San Diego

Sun 5/4

06:36-08:24

Nonstop1h 48m

€103

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 11/2

06:05-16:45

2 stops10h 40m

San Diego

Sat 14/2

18:50-23:15

1 stop4h 25m

€104

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 12/2

07:00-08:40

Nonstop1h 40m

San Diego

Wed 18/2

07:45-09:35

Nonstop1h 50m

€106

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 11/2

22:40-00:15

Nonstop1h 35m

San Diego

Fri 13/2

06:15-08:05

Nonstop1h 50m

€107

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 2/3

08:11-09:49

Nonstop1h 38m

San Diego

Mon 2/3

22:09-23:59

Nonstop1h 50m

€108

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 5/3

06:40-08:18

Nonstop1h 38m

San Diego

Mon 9/3

06:15-22:56

1 stop16h 41m

€109

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 19/2

06:10-07:40

Nonstop1h 30m

San Diego

Mon 23/2

12:25-14:10

Nonstop1h 45m

€114

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 27/2

07:00-08:40

Nonstop1h 40m

San Diego

Sun 1/3

06:15-08:05

Nonstop1h 50m

€115

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 €113, 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 €114.

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 €75. 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 €337.

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 €84. 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 €86 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 €102 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 January 2026, prices for San Francisco to San Diego flights are approximately 4% 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

€145

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 €145. The best return flight deal from San Francisco to San Diego found on momondo in the last 72 hours is €249.
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 €75Free CancellationRating
5.7
3,056 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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