Cheap flights from San Francisco to San Diego from £29

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 15/10. 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

United Airlines Logo
22:36 - 00:15SFO-SAN
1h 39mdirect
United Airlines Logo
19:28 - 21:08SAN-SFO
1h 40mdirect
£56United Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
United Airlines Logo
22:36 - 00:14SFO-SAN
1h 38mdirect
United Airlines Logo
13:05 - 14:52SAN-SFO
1h 47mdirect
£64United Airlines
Find Deal
Wed, 19 Nov - Tue, 2 Dec
United Airlines Logo
22:36 - 00:14SFO-SAN
1h 38mdirect
United Airlines Logo
13:10 - 14:57SAN-SFO
1h 47mdirect
£65United Airlines
Find Deal
Wed, 19 Nov - Fri, 21 Nov
Southwest Logo
16:30 - 18:00SFO-SAN
1h 30mdirect
Southwest Logo
10:30 - 12:10SAN-SFO
1h 40mdirect
£65Southwest
Find Deal
Tue, 2 Dec - Sun, 7 Dec
Southwest Logo
05:40 - 07:10SFO-SAN
1h 30mdirect
Southwest Logo
19:35 - 23:45SAN-SFO
4h 10m1 stop
£71Southwest
Find Deal
Thu, 16 Oct - Thu, 23 Oct
Alaska Airlines Logo
07:00 - 08:39SFO-SAN
1h 39mdirect
Alaska Airlines Logo
06:15 - 08:15SAN-SFO
2h 00mdirect
£76Alaska Airlines
Find Deal
Wed, 10 Dec - Fri, 19 Dec
Alaska Airlines Logo
10:06 - 16:20SFO-SAN
6h 14m1 stop
Alaska Airlines Logo
19:59 - 21:46SAN-SFO
1h 47mdirect
£78Alaska Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Hawaiian Airlines Logo
10:26 - 12:16SFO-SAN
1h 50mdirect
Hawaiian Airlines Logo
16:00 - 17:45SAN-SFO
1h 45mdirect
£81Hawaiian Airlines
Find Deal
Tue, 14 Oct - Tue, 14 Oct
Hawaiian Airlines Logo
08:41 - 10:32SFO-SAN
1h 51mdirect
Hawaiian Airlines Logo
12:18 - 14:01SAN-SFO
1h 43mdirect
£96Hawaiian Airlines
Find Deal
Sat, 25 Oct - Sat, 25 Oct
Frontier Logo
22:17 - 21:20SFO-SAN
23h 03m1 stop
Frontier Logo
08:11 - 19:10SAN-SFO
10h 59m1 stop
£106Frontier
Find Deal
Mon, 20 Oct - Mon, 27 Oct

United Airlines flights from San Francisco to San Diego

Our best United Airlines deals on San Francisco to San Diego flight tickets
United Airlines
14 Oct
SFO22:36San Francisco
1h 39m
SAN00:15San Diego
21 Oct
SAN19:28San Diego
1h 40m
SFO21:08San Francisco
United Airlines
19 Nov
SFO22:36San Francisco
1h 38m
SAN00:14San Diego
2 Dec
SAN13:05San Diego
1h 47m
SFO14:52San Francisco
United Airlines
19 Nov
SFO22:36San Francisco
1h 38m
SAN00:14San Diego
21 Nov
SAN13:10San Diego
1h 47m
SFO14:57San Francisco

Southwest flights from San Francisco to San Diego

Our best Southwest deals on San Francisco to San Diego flight tickets
Southwest
2 Dec
SFO16:30San Francisco
1h 30m
SAN18:00San Diego
7 Dec
SAN10:30San Diego
1h 40m
SFO12:10San Francisco
Southwest
16 Oct
SFO05:40San Francisco
1h 30m
SAN07:10San Diego
23 Oct
SAN19:35San Diego
4h 10m
1 stop
SFO23:45San Francisco
Southwest
14 Nov
SFO15:55San Francisco
7h 00m
1 stop
SAN22:55San Diego
17 Nov
SAN19:40San Diego
1h 40m
SFO21:20San Francisco

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 279,928 searches. Data last updated 17 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 14/10

22:36-00:15

Nonstop1h 39m

San Diego

Tue 21/10

19:28-21:08

Nonstop1h 40m

£56

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 19/11

22:36-00:14

Nonstop1h 38m

San Diego

Tue 2/12

13:05-14:52

Nonstop1h 47m

£64

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 19/11

22:36-00:14

Nonstop1h 38m

San Diego

Fri 21/11

13:10-14:57

Nonstop1h 47m

£65

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 2/12

16:30-18:00

Nonstop1h 30m

San Diego

Sun 7/12

10:30-12:10

Nonstop1h 40m

£65

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 16/10

05:40-07:10

Nonstop1h 30m

San Diego

Thu 23/10

19:35-23:45

1 stop4h 10m

£71

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 10/12

07:00-08:39

Nonstop1h 39m

San Diego

Fri 19/12

06:15-08:15

Nonstop2h 00m

£76

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 3/12

10:06-16:20

1 stop6h 14m

San Diego

Wed 10/12

19:59-21:46

Nonstop1h 47m

£78

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 14/10

10:26-12:16

Nonstop1h 50m

San Diego

Tue 14/10

16:00-17:45

Nonstop1h 45m

£81

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 25/10

08:41-10:32

Nonstop1h 51m

San Diego

Sat 25/10

12:18-14:01

Nonstop1h 43m

£96

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 20/10

22:17-21:20

1 stop23h 03m

San Diego

Mon 27/10

08:11-19:10

1 stop10h 59m

£106

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?

If you don’t want to visit San Diego in January, then you should wait until February to fly from San Francisco, when ticket prices are also cheap, with an average price of £91.

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 Thursday when prices can be found for as low as £28. Flights from San Francisco to San Diego on a Friday will generally be more expensive and average around £217. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the morning is the cheapest time of day to fly from San Francisco to San Diego when you can find flight prices for as low as £78. Flying to San Diego in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at midday because they tend to be around £188. 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 £103 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 £78 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 September 2025, prices for San Francisco to San Diego flights are approximately 34% 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

£48

Fastest flight time

1h 26m

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 £48. The best return flight deal from San Francisco to San Diego found on momondo in the last 72 hours is £217.
The fastest flight from San Francisco to San Diego takes 1h 26m
Direct flights go from San Francisco to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
  • How far is San Francisco to San Diego by plane?

    San Diego is 458.7 mi away from San Francisco. Typically, this will take 1h 30m by plane in normal conditions.

  • 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 were last updated today.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 £27Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Alaska AirlinesPriceFrom £40Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom £62Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
  • Alaska Airlines Flights From San Francisco to San Diego

    Alaska Airlines flies from San Francisco to San Diego around 35 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from San Francisco to San Diego in the last 72 hours was £54 (round-trip), much lower than the average airfare cost of £164 for Alaska Airlines flights on this route.

  • Hawaiian Airlines Flights From San Francisco to San Diego

    Across 2,724 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from San Francisco to San Diego about 46 times each week, with ticket deals ranging from £85 to £113. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista

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?

momondo does allow users to show only those flights to San Diego from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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?

If you are not ready to book a flight from San Francisco to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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Fri 17/10
Fri 24/10

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