Find flights
Deals
When to book
FAQs

Cheap flights from San Francisco to San Diego from C$ 75

SFO — SAN
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to San Diego

Wed 23/94:31 p.m. -
Nonstop1h 48m
Sat 26/91:38 p.m. -
Nonstop1h 55m
Deal found 6/9C$ 118
Sat 3/104:21 p.m. -
Nonstop1h 48m
Wed 7/105:54 p.m. -
2 stops16h 00m
Deal found 2/9C$ 129
Wed 30/911:38 a.m. -
Nonstop1h 50m
Wed 30/93:43 p.m. -
Nonstop1h 39m
Deal found 6/9C$ 155
Mon 2/117:04 a.m. -
Nonstop1h 38m
Thu 5/1112:15 p.m. -
Nonstop1h 41m
Deal found 7/9C$ 162
Sat 3/1011:40 a.m. -
Nonstop1h 48m
Mon 5/106:51 p.m. -
Nonstop1h 42m
Deal found 7/9C$ 163
Thu 12/112:44 p.m. -
Nonstop1h 38m
Mon 16/117:10 a.m. -
Nonstop1h 42m
Deal found 3/9C$ 167
Wed 23/1210:42 p.m. -
Nonstop1h 37m
Wed 30/126:15 a.m. -
Nonstop1h 49m
Deal found 4/9C$ 170
Sat 3/107:40 a.m. -
Nonstop1h 35m
Sat 10/105:15 p.m. -
1 stop4h 20m
Deal found 6/9C$ 176
Sat 24/103:20 p.m. -
Nonstop1h 40m
Wed 28/106:40 a.m. -
2 stops7h 15m
Deal found 5/9C$ 183
Fri 25/97:08 a.m. -
Nonstop1h 40m
Sat 26/97:59 p.m. -
Nonstop1h 43m
Deal found 3/9C$ 185
Thu 1/107:08 a.m. -
Nonstop1h 40m
Sun 11/107:50 a.m. -
Nonstop1h 47m
Deal found 6/9C$ 190

Find flight deals from San Francisco to San Diego

Round-trip from

C$ 118

One-way from

C$ 75

Popular in

March

Cheapest in

October

Average price

C$ 267

Good one-way deal

C$ 76 or less
Frontier
  • Frontier
  • 23/9-26/9
  • Nonstop
  • 3h 43m total
  • San Francisco to San Diego
Search Deals
Frontier
  • Frontier
  • 15/9-31/12
  • Nonstop
  • 1h 48m total
  • San Francisco to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals
Price to beat on a one-way flight from San Francisco to San Diego.
Search Deals

Cheapflights Fare Finder

 
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

Cheapest round-trip
Quickest round-trip

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Wed 23/9

8:40 a.m.-10:20 a.m.

Nonstop1h 40m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 82

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Sat 6/3

7:49 p.m.-9:32 p.m.

Nonstop1h 43m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 82

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Tue 15/12

7:20 p.m.-9:00 p.m.

Nonstop1h 40m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 82

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Mon 5/10

7:25 p.m.-12:10 a.m.

1 stop4h 45m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 95

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Wed 4/11

1:30 p.m.-5:25 p.m.

1 stop3h 55m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 95

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Wed 7/10

3:50 p.m.-10:10 p.m.

2 stops6h 20m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 102

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Wed 9/12

10:55 a.m.-6:55 p.m.

2 stops8h 00m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 102

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Wed 14/10

6:55 a.m.-3:10 p.m.

1 stop8h 15m

San Diego

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 102

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Tue 13/10

10:20 a.m.-5:15 p.m.

2 stops6h 55m

San Diego

Sat 17/10

1:00 p.m.-2:35 p.m.

Nonstop1h 35m

C$ 183

San FranciscoSan Diego

SFO San Francisco - SAN San Diego

SFOSAN

San Francisco

Mon 26/10

8:00 p.m.-9:35 p.m.

Nonstop1h 35m

San Diego

Wed 28/10

8:15 a.m.-1:55 p.m.

2 stops5h 40m

C$ 183

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from San Francisco to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from San Francisco with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from San Francisco to San Diego

How far ahead should I book a flight from San Francisco to San Diego?

To ensure you get the cheapest price possible for a flight from San Francisco to San Diego, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to San Diego?

Currently, October is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 238). Flying from San Francisco to San Diego in March is currently the most expensive (average of C$ 368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SAN?

When flying from San Francisco to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 60% versus a flight in the afternoon.

How much does it cost to fly round-trip from San Francisco to San Diego?

Airfare is below average for this route at the moment.

San Francisco to San Diego flights typically cost between C$ 173 and C$ 378 in September.
The cheapest round-trip price found within the last 5 days was C$ 118 on Frontier (23 Sep-26 Sep).

Related info for your journey

  • How popular is this San Francisco to San Diego flight route?

    Within the past month, 6 users have taken a look at flights from San Francisco to San Diego.

  • How long is the flight from San Francisco to San Diego?

    Southwest can get you from San Francisco to San Diego in just under 6h 55m. Your travel time can differ by up to . There are 718 km between San Francisco and San Diego.

  • What are the cheapest airlines to fly from San Francisco to San Diego one-way?

    The cheapest airlines for a one-way flight from San Francisco to San Diego are Frontier (C$ 31), Southwest (C$ 56), and Alaska Airlines (C$ 77).

  • What are the most reliable airlines from San Francisco to San Diego?

    Before booking your flight to San Diego from San Francisco, check out the most reliable airlines to get you to your destination on time: Lufthansa (67%), Air China (65%), SWISS( 61%).

  • What are the cheapest flights from San Francisco to San Diego?

    Looking at all options, your cheapest flight can be booked for C$ 32. While the most popular route (San Francisco - San Diego) can be booked for C$ 108 on average, our data indicates C$ 163 when flying from San Francisco to San Diego.

  • Can I find deals for flights from San Francisco to San Diego that include hotel bookings?

    Yes. In addition to deals on San Francisco to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to San Diego.

  • Can I find deals for business class flights from San Francisco to San Diego?

    Yes. Cheapflights offers flight deals from San Francisco to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to San Diego?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 238). Flying from San Francisco to San Diego in March is currently the most expensive (average of C$ 368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco to San Diego?

Cheapflights makes it easy to find San Francisco to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Francisco to San Diego with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to San Diego flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Francisco to San Diego become cheaper?

Of course! You can now track prices for flights from San Francisco to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.