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Cheap flights from San Diego to San Francisco from $39

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 Diego to San Francisco departing on 10/21. 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 round-trip flights

Southwest Logo
6:35 am - 8:15 amSAN-SFO
1h 40mnonstop
Southwest Logo
5:50 pm - 7:20 pmSFO-SAN
1h 30mnonstop
$77Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 14
Frontier Logo
12:22 pm - 2:14 pmSAN-SFO
1h 52mnonstop
Frontier Logo
2:53 pm - 4:32 pmSFO-SAN
1h 39mnonstop
$79Frontier
Find Deal
Thu, Oct 9 - Mon, Oct 13
Multiple Airlines Logo
5:28 pm - 7:13 pmSAN-SFO
1h 45mnonstop
Multiple Airlines Logo
6:45 am - 8:29 amSFO-SAN
1h 44mnonstop
$80Multiple Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 12
Alaska Airlines Logo
12:18 pm - 2:01 pmSAN-SFO
1h 43mnonstop
Alaska Airlines Logo
6:45 am - 8:29 amSFO-SAN
1h 44mnonstop
$85Alaska Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 12
Multiple Airlines Logo
7:20 pm - 9:09 pmSAN-SFO
1h 49mnonstop
Multiple Airlines Logo
7:10 am - 8:52 amSFO-SAN
1h 42mnonstop
$90Multiple Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
Hawaiian Airlines Logo
7:25 am - 9:21 amSAN-SFO
1h 56mnonstop
Hawaiian Airlines Logo
6:45 am - 8:29 amSFO-SAN
1h 44mnonstop
$94Hawaiian Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
United Airlines Logo
6:15 am - 8:02 amSAN-SFO
1h 47mnonstop
United Airlines Logo
6:30 am - 8:06 amSFO-SAN
1h 36mnonstop
$99United Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 23
Alaska Airlines Logo
1:59 pm - 3:35 pmSAN-SFO
1h 36mnonstop
Alaska Airlines Logo
6:45 am - 8:29 amSFO-SAN
1h 44mnonstop
$102Alaska Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
Hawaiian Airlines Logo
6:15 am - 8:04 amSAN-SFO
1h 49mnonstop
Hawaiian Airlines Logo
6:45 am - 8:29 amSFO-SAN
1h 44mnonstop
$109Hawaiian Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
United Airlines Logo
7:50 pm - 9:31 pmSAN-SFO
1h 41mnonstop
United Airlines Logo
6:55 pm - 11:44 pmSFO-SAN
4h 49m1 stop
$125United Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24

Frontier flights from San Diego to San Francisco

Our best Frontier deals on San Diego to San Francisco flight tickets
Frontier
Oct 9
SAN12:22 pmSan Diego
1h 52m
SFO2:14 pmSan Francisco
Oct 13
SFO2:53 pmSan Francisco
1h 39m
SAN4:32 pmSan Diego
$79
Find similar
Frontier
Nov 17
SAN12:12 pmSan Diego
1h 52m
SFO2:04 pmSan Francisco
Nov 20
SFO9:03 amSan Francisco
1h 45m
SAN10:48 amSan Diego
$81
Find similar
Frontier
Nov 7
SAN12:12 pmSan Diego
1h 52m
SFO2:04 pmSan Francisco
Nov 10
SFO3:09 pmSan Francisco
1h 43m
SAN4:52 pmSan Diego
$82
Find similar

Southwest flights from San Diego to San Francisco

Our best Southwest deals on San Diego to San Francisco flight tickets
Southwest
Oct 14
SAN6:35 amSan Diego
1h 40m
SFO8:15 amSan Francisco
Oct 14
SFO5:50 pmSan Francisco
1h 30m
SAN7:20 pmSan Diego
$77
Find similar
Southwest
Nov 5
SAN8:10 amSan Diego
1h 45m
SFO9:55 amSan Francisco
Nov 22
SFO9:35 pmSan Francisco
1h 30m
SAN11:05 pmSan Diego
$87
Find similar
Southwest
Oct 16
SAN12:55 pmSan Diego
1h 45m
SFO2:40 pmSan Francisco
Oct 23
SFO4:50 pmSan Francisco
6h 15m
1 stop
SAN11:05 pmSan Diego
$97
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to San Francisco 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 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from San Diego to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 10/14

6:35 am-8:15 am

Nonstop1h 40m

San Francisco

Tue 10/14

5:50 pm-7:20 pm

Nonstop1h 30m

$77

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 10/9

12:22 pm-2:14 pm

Nonstop1h 52m

San Francisco

Mon 10/13

2:53 pm-4:32 pm

Nonstop1h 39m

$79

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 10/10

5:28 pm-7:13 pm

Nonstop1h 45m

San Francisco

Sun 10/12

6:45 am-8:29 am

Nonstop1h 44m

$80

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 10/8

12:18 pm-2:01 pm

Nonstop1h 43m

San Francisco

Sun 10/12

6:45 am-8:29 am

Nonstop1h 44m

$85

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 9/27

7:20 pm-9:09 pm

Nonstop1h 49m

San Francisco

Tue 9/30

7:10 am-8:52 am

Nonstop1h 42m

$90

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 10/9

7:25 am-9:21 am

Nonstop1h 56m

San Francisco

Mon 10/13

6:45 am-8:29 am

Nonstop1h 44m

$94

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 11/22

6:15 am-8:02 am

Nonstop1h 47m

San Francisco

Sun 11/23

6:30 am-8:06 am

Nonstop1h 36m

$99

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 10/9

1:59 pm-3:35 pm

Nonstop1h 36m

San Francisco

Sun 10/12

6:45 am-8:29 am

Nonstop1h 44m

$102

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 10/2

6:15 am-8:04 am

Nonstop1h 49m

San Francisco

Sun 10/5

6:45 am-8:29 am

Nonstop1h 44m

$109

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 11/21

7:50 pm-9:31 pm

Nonstop1h 41m

San Francisco

Mon 11/24

6:55 pm-11:44 pm

1 stop4h 49m

$125

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from San Diego to San Francisco

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 Francisco?

If you aren’t able to travel to San Francisco during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $117.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from San Diego to San Francisco is on a Friday when prices can be found for as low as $197. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $778.

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

Our data shows that the cheapest San Diego to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $199. Flights in the evening are often more expensive with an average ticket price of $510.

What is the cheapest San Diego to San Francisco flight route?

Fly from San Diego to San Francisco for the best San Diego - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $128 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from San Diego for as low as $95 on momondo.

What cabin class options are available on San Diego to San Francisco flights?

There are 4 cabin classes available to choose from on San Diego to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Diego to San Francisco flight prices changed over time?

As of September 2025, prices for San Diego to San Francisco flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to San Francisco (SAN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to San Francisco

Best Price Found

$78

Fastest flight time

1h 34m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from San Diego in the past 72 hours is $78. The best round-trip flight deal from San Diego to San Francisco found on momondo in the last 72 hours is $151.
The fastest flight from San Diego to San Francisco takes 1h 34m
Direct flights go from San Diego to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is San Diego to San Francisco by plane?

    The distance between San Diego and San Francisco is about 458.7 mi. Typically, this will take 1h 34m by plane in normal conditions.

  • When did momondo last update prices for flights from San Diego Airport to San Francisco Airport?

    Prices for flights from San Diego Airport to San Francisco Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to San Francisco Airport?

  • How old do you have to be to fly from San Diego Airport to San Francisco Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to San Francisco?

  • What is the most popular airline from San Diego to San Francisco?

Best airlines flying from San Diego to San Francisco

Compare and see reviews for airlines that fly from San Diego to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $27Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $29Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $36Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
United AirlinesPriceFrom $57Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $67Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $79Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $88Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Alaska Airlines Flights From San Diego to San Francisco

    Alaska Airlines flight deals from San Diego to San Francisco start from $67 round-trip. Over the 39 Alaska Airlines flights for this route in a normal week, average airfare is usually $184 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From San Diego to San Francisco

    Southwest is also a popular choice for this route. Southwest flight deals for San Diego to San Francisco start from as low as $79 round-trip, depending on your selected dates, with average Southwest deals seen on momondo around $163. Southwest operates 23 flights to San Francisco from San Diego in an average week. Users have rated it 8.0/10 across 4,242 reviews.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Calistoga
Bodega Bay
Roseville
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Half Moon Bay
Walnut Creek
Vallejo
Redwood City
Salinas
South San Francisco
Fairfield

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to San Francisco. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Diego to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from San Diego with this policy.

How can momondo help me find flights from San Diego to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to San Francisco.

I’m not ready to book a flight from San Diego to San Francisco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Diego to San Francisco 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 Francisco and let you know when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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