Cheap flights from San Francisco to San Diego from £30

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 19/11. 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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Alaska Airlines Logo
07:00 - 08:39SFO-SAN
1h 39mdirect
Alaska Airlines Logo
06:15 - 08:06SAN-SFO
1h 51mdirect
£58Alaska Airlines
Find Deal
Thu, 4 Dec - Sat, 6 Dec
Alaska Airlines Logo
07:00 - 08:39SFO-SAN
1h 39mdirect
Alaska Airlines Logo
12:31 - 14:15SAN-SFO
1h 44mdirect
£62Alaska Airlines
Find Deal
Thu, 4 Dec - Thu, 4 Dec
Frontier Logo
06:00 - 15:38SFO-SAN
9h 38m1 stop
Frontier Logo
20:10 - 22:03SAN-SFO
1h 53mdirect
£65Frontier
Find Deal
Thu, 11 Dec - Thu, 18 Dec
United Airlines Logo
06:30 - 08:06SFO-SAN
1h 36mdirect
United Airlines Logo
07:45 - 09:32SAN-SFO
1h 47mdirect
£72United Airlines
Find Deal
Sat, 6 Dec - Sun, 7 Dec
Southwest Logo
11:40 - 13:15SFO-SAN
1h 35mdirect
Southwest Logo
16:00 - 21:15SAN-SFO
5h 15m1 stop
£75Southwest
Find Deal
Wed, 19 Nov - Wed, 19 Nov
Southwest Logo
08:20 - 16:55SFO-SAN
8h 35m2 stops
Southwest Logo
07:00 - 08:45SAN-SFO
1h 45mdirect
£77Southwest
Find Deal
Thu, 4 Dec - Mon, 8 Dec
United Airlines Logo
06:30 - 08:06SFO-SAN
1h 36mdirect
United Airlines Logo
07:45 - 09:32SAN-SFO
1h 47mdirect
£82United Airlines
Find Deal
Fri, 12 Dec - Sat, 13 Dec
Frontier Logo
14:13 - 15:52SFO-SAN
1h 39mdirect
Frontier Logo
20:10 - 22:03SAN-SFO
1h 53mdirect
£85Frontier
Find Deal
Tue, 30 Dec - Sun, 4 Jan
Delta Logo
08:55 - 15:22SFO-SAN
6h 27m1 stop
Delta Logo
10:00 - 15:13SAN-SFO
5h 13m1 stop
£119Delta
Find Deal
Tue, 24 Mar - Wed, 25 Mar
Delta Logo
19:22 - 23:55SFO-SAN
4h 33m1 stop
Delta Logo
19:07 - 23:55SAN-SFO
4h 48m1 stop
£119Delta
Find Deal
Thu, 13 Nov - Mon, 17 Nov

Alaska Airlines flights from San Francisco to San Diego

Our best Alaska Airlines deals on San Francisco to San Diego flight tickets
Alaska Airlines
4 Dec
SFO07:00San Francisco
1h 39m
SAN08:39San Diego
6 Dec
SAN06:15San Diego
1h 51m
SFO08:06San Francisco
Alaska Airlines
4 Dec
SFO07:00San Francisco
1h 39m
SAN08:39San Diego
4 Dec
SAN12:31San Diego
1h 44m
SFO14:15San Francisco
Alaska Airlines
4 Dec
SFO07:00San Francisco
1h 39m
SAN08:39San Diego
4 Dec
SAN15:05San Diego
1h 41m
SFO16:46San Francisco

Southwest flights from San Francisco to San Diego

Our best Southwest deals on San Francisco to San Diego flight tickets
Southwest
19 Nov
SFO11:40San Francisco
1h 35m
SAN13:15San Diego
19 Nov
SAN16:00San Diego
5h 15m
1 stop
SFO21:15San Francisco
Southwest
4 Dec
SFO08:20San Francisco
8h 35m
2 stops
SAN16:55San Diego
8 Dec
SAN07:00San Diego
1h 45m
SFO08:45San Francisco
Southwest
6 Dec
SFO10:10San Francisco
7h 45m
2 stops
SAN17:55San Diego
7 Dec
SAN07:00San Diego
1h 45m
SFO08:45San 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 30 October 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

Thu 4/12

07:00-08:39

Nonstop1h 39m

San Diego

Sat 6/12

06:15-08:06

Nonstop1h 51m

£58

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/12

07:00-08:39

Nonstop1h 39m

San Diego

Thu 4/12

12:31-14:15

Nonstop1h 44m

£62

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 11/12

06:00-15:38

1 stop9h 38m

San Diego

Thu 18/12

20:10-22:03

Nonstop1h 53m

£65

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 6/12

06:30-08:06

Nonstop1h 36m

San Diego

Sun 7/12

07:45-09:32

Nonstop1h 47m

£72

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 19/11

11:40-13:15

Nonstop1h 35m

San Diego

Wed 19/11

16:00-21:15

1 stop5h 15m

£75

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/12

08:20-16:55

2 stops8h 35m

San Diego

Mon 8/12

07:00-08:45

Nonstop1h 45m

£77

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 12/12

06:30-08:06

Nonstop1h 36m

San Diego

Sat 13/12

07:45-09:32

Nonstop1h 47m

£82

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 30/12

14:13-15:52

Nonstop1h 39m

San Diego

Sun 4/1

20:10-22:03

Nonstop1h 53m

£85

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 24/3

08:55-15:22

1 stop6h 27m

San Diego

Wed 25/3

10:00-15:13

1 stop5h 13m

£119

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 13/11

19:22-23:55

1 stop4h 33m

San Diego

Mon 17/11

19:07-23:55

1 stop4h 48m

£119

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?

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 £95.

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 £29. Flights from San Francisco to San Diego on a Friday will generally be more expensive and average around £233. 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 £74. Flying to San Diego in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around £201. 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 £111 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 £84 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 October 2025, prices for San Francisco to San Diego flights are approximately 37% 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 25m

Direct flights

Every day

Airports in San Diego

1 airport
The fastest flight from San Francisco to San Diego takes 1h 25m
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
3,124 reviews
Search Frontier flights
Alaska AirlinesPriceFrom £41Free CancellationRating
8.0
11,210 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom £64Free CancellationRating
7.8
2,796 reviews
Search Hawaiian Airlines flights
  • Alaska Airlines Flights From San Francisco to San Diego

    Alaska Airlines flies from San Francisco to San Diego around 18 times per week, with 11,210 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 £41 (round-trip), much lower than the average airfare cost of £124 for Alaska Airlines flights on this route.

  • Hawaiian Airlines Flights From San Francisco to San Diego

    Across 2,796 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from San Francisco to San Diego about 25 times each week, with ticket deals ranging from £64 to £85. 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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1 adult
Sat 29/11
Sat 6/12

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