Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to San Francisco from $20

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 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from San Diego to San Francisco

Cheap round-trip flights

These are some of the best round-trip flight deals from San Diego to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Diego to San Francisco.

Cheap last minute flights

Planning a quick getaway from San Diego to San Francisco? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Francisco, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Diego to San Francisco

Find recent round-trip train or bus tickets from San Diego to San Francisco.

All round-trip flight deals to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
7:48 pm - 9:39 pmSAN-SFO
1h 51mnonstop
8:06 am - 9:50 amSFO-SAN
1h 44mnonstop
$36Frontier
Find Deal
Fri, Jan 31 - Sun, Feb 9
2:05 pm - 3:56 pmSAN-SFO
1h 51mnonstop
8:06 am - 9:50 amSFO-SAN
1h 44mnonstop
$37Frontier
Find Deal
Fri, Jan 31 - Mon, Feb 3
5:25 pm - 7:11 pmSAN-SFO
1h 46mnonstop
10:53 pm - 12:32 amSFO-SAN
1h 39mnonstop
$57United Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16
7:55 pm - 9:36 pmSAN-SFO
1h 41mnonstop
7:40 am - 9:17 amSFO-SAN
1h 37mnonstop
$67Alaska Airlines
Find Deal
Sat, Jan 18 - Tue, Feb 4
11:15 am - 1:00 pmSAN-SFO
1h 45mnonstop
3:40 pm - 5:10 pmSFO-SAN
1h 30mnonstop
$76Southwest
Find Deal
Wed, Feb 12 - Wed, Feb 12
7:55 pm - 9:36 pmSAN-SFO
1h 41mnonstop
7:00 am - 8:35 amSFO-SAN
1h 35mnonstop
$77Alaska Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 17
11:15 am - 1:00 pmSAN-SFO
1h 45mnonstop
3:10 pm - 10:10 pmSFO-SAN
7h 00m1 stop
$85Southwest
Find Deal
Thu, Jan 30 - Thu, Jan 30
5:25 pm - 7:11 pmSAN-SFO
1h 46mnonstop
6:00 am - 9:56 amSFO-SAN
3h 56m1 stop
$116United Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16
6:33 am - 12:30 pmSAN-SFO
5h 57m1 stop
8:51 am - 3:39 pmSFO-SAN
6h 48m1 stop
$159American Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 18
10:20 am - 4:13 pmSAN-SFO
5h 53m1 stop
12:56 pm - 6:30 pmSFO-SAN
5h 34m1 stop
$160American Airlines
Find Deal
Thu, Feb 20 - Sat, Feb 22
2:05 pm - 3:56 pmSAN-SFO
1h 51mnonstop
$20Frontier
Find Deal
Fri, Jan 17
9:14 am - 11:02 amSAN-SFO
1h 48mnonstop
$21Frontier
Find Deal
Tue, Apr 8
1:34 pm - 3:17 pmSAN-SFO
1h 43mnonstop
$29Alaska Airlines
Find Deal
Tue, Feb 11
7:45 pm - 9:25 pmSAN-SFO
1h 40mnonstop
$41Southwest
Find Deal
Wed, Jan 22
7:55 pm - 9:36 pmSAN-SFO
1h 41mnonstop
$48Alaska Airlines
Find Deal
Tue, Jan 14
4:30 pm - 6:10 pmSAN-SFO
1h 40mnonstop
$49Southwest
Find Deal
Mon, Mar 3
7:35 am - 9:20 amSAN-SFO
1h 45mnonstop
$59United Airlines
Find Deal
Wed, Jan 29
10:20 am - 4:13 pmSAN-SFO
5h 53m1 stop
$80American Airlines
Find Deal
Sun, Feb 16
8:49 pm - 12:09 amSAN-SFO
3h 20m1 stop
$88United Airlines
Find Deal
Mon, Feb 17
10:21 am - 4:11 pmSAN-SFO
5h 50m1 stop
$100American Airlines
Find Deal
Fri, Jan 17
8:18 pm - 10:01 pmSAN-SFO
1h 43mnonstop
8:06 am - 9:50 amSFO-SAN
1h 44mnonstop
$56Frontier
Find Deal
Mon, Jan 13 - Thu, Jan 16
7:56 pm - 9:39 pmSAN-SFO
1h 43mnonstop
8:06 am - 9:50 amSFO-SAN
1h 44mnonstop
$57Frontier
Find Deal
Fri, Jan 10 - Sun, Jan 19
5:30 pm - 7:15 pmSAN-SFO
1h 45mnonstop
10:35 pm - 12:14 amSFO-SAN
1h 39mnonstop
$72United Airlines
Find Deal
Mon, Jan 13 - Mon, Jan 13
7:55 pm - 9:36 pmSAN-SFO
1h 41mnonstop
7:40 am - 9:17 amSFO-SAN
1h 37mnonstop
$97Alaska Airlines
Find Deal
Mon, Jan 13 - Tue, Jan 14
7:55 am - 9:35 amSAN-SFO
1h 40mnonstop
12:00 pm - 1:30 pmSFO-SAN
1h 30mnonstop
$111Southwest
Find Deal
Sat, Jan 11 - Sat, Jan 11
5:30 pm - 7:15 pmSAN-SFO
1h 45mnonstop
10:35 pm - 12:14 amSFO-SAN
1h 39mnonstop
$112United Airlines
Find Deal
Thu, Jan 9 - Thu, Jan 9
6:15 am - 8:00 amSAN-SFO
1h 45mnonstop
5:38 pm - 7:09 pmSFO-SAN
1h 31mnonstop
$117Alaska Airlines
Find Deal
Sat, Jan 11 - Sat, Jan 11
7:55 am - 9:35 amSAN-SFO
1h 40mnonstop
12:00 pm - 1:30 pmSFO-SAN
1h 30mnonstop
$131Southwest
Find Deal
Sat, Jan 11 - Sat, Jan 11
6:33 am - 12:23 pmSAN-SFO
5h 50m1 stop
3:49 pm - 8:05 pmSFO-SAN
4h 16m1 stop
$193American Airlines
Find Deal
Sat, Jan 11 - Sat, Jan 11
12:32 pm - 6:59 pmSAN-SFO
6h 27m1 stop
9:15 am - 3:22 pmSFO-SAN
6h 07m1 stop
$199American Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12
7:48 pm - 9:39 pmSAN-SFO
1h 51mnonstop
8:06 am - 9:50 amSFO-SAN
1h 44mnonstop
$36Frontier
Find Deal
Thu, Jan 23 - Sun, Jan 26
2:05 pm - 3:56 pmSAN-SFO
1h 51mnonstop
8:06 am - 9:50 amSFO-SAN
1h 44mnonstop
$37Frontier
Find Deal
Fri, Jan 31 - Mon, Feb 3
7:55 pm - 9:36 pmSAN-SFO
1h 41mnonstop
11:24 am - 1:08 pmSFO-SAN
1h 44mnonstop
Tue, Jan 21 - Fri, Jan 24
5:25 pm - 7:11 pmSAN-SFO
1h 46mnonstop
10:53 pm - 12:32 amSFO-SAN
1h 39mnonstop
$57United Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16
7:55 pm - 9:41 pmSAN-SFO
1h 46mnonstop
6:52 pm - 8:36 pmSFO-SAN
1h 44mnonstop
Fri, Mar 7 - Sun, Mar 9
11:15 am - 1:00 pmSAN-SFO
1h 45mnonstop
3:40 pm - 5:10 pmSFO-SAN
1h 30mnonstop
$76Southwest
Find Deal
Wed, Feb 12 - Wed, Feb 12
7:55 pm - 9:36 pmSAN-SFO
1h 41mnonstop
7:00 am - 8:35 amSFO-SAN
1h 35mnonstop
$77Alaska Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 17
1:34 pm - 3:17 pmSAN-SFO
1h 43mnonstop
6:00 am - 7:36 amSFO-SAN
1h 36mnonstop
$78Alaska Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 17
11:15 am - 1:00 pmSAN-SFO
1h 45mnonstop
7:45 am - 9:15 amSFO-SAN
1h 30mnonstop
$81Southwest
Find Deal
Tue, Jan 28 - Sun, Feb 2
5:25 pm - 7:11 pmSAN-SFO
1h 46mnonstop
10:53 pm - 12:32 amSFO-SAN
1h 39mnonstop
$117United Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16

United Airlines flights from San Diego to San Francisco

Our best United Airlines deals on San Diego to San Francisco flight tickets
United Airlines
Feb 14
SAN5:25 pmSan Diego
1h 46m
SFO7:11 pmSan Francisco
Feb 16
SFO10:53 pmSan Francisco
1h 39m
SAN12:32 amSan Diego
United Airlines
Jan 13
SAN5:30 pmSan Diego
1h 45m
SFO7:15 pmSan Francisco
Jan 13
SFO10:35 pmSan Francisco
1h 39m
SAN12:14 amSan Diego
United Airlines
Jan 15
SAN5:30 pmSan Diego
1h 45m
SFO7:15 pmSan Francisco
Jan 18
SFO10:35 pmSan Francisco
1h 39m
SAN12:14 amSan Diego

Frontier flights from San Diego to San Francisco

Our best Frontier deals on San Diego to San Francisco flight tickets
Frontier
Jan 16
SAN7:48 pmSan Diego
1h 51m
SFO9:39 pmSan Francisco
Jan 19
SFO8:06 amSan Francisco
1h 44m
SAN9:50 amSan Diego
Frontier
Jan 31
SAN7:48 pmSan Diego
1h 51m
SFO9:39 pmSan Francisco
Feb 9
SFO8:06 amSan Francisco
1h 44m
SAN9:50 amSan Diego
Frontier
Jan 31
SAN2:05 pmSan Diego
1h 51m
SFO3:56 pmSan Francisco
Feb 3
SFO8:06 amSan Francisco
1h 44m
SAN9:50 amSan Diego

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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $125.

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 Saturday when prices can be found for as low as $135. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $201.

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 $126. Flights in the evening are often more expensive with an average ticket price of $198.

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?

The ideal time to book your flight to San Francisco is 37 days in advance when prices tend to average $155. In the past 72 hours, momondo users found flights from San Diego to San Francisco for as low as $71.

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 January 2025, prices for San Diego to San Francisco flights are approximately 59% 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

$20

Fastest flight time

1h 35m

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 $20. The best round-trip flight deal from San Diego to San Francisco found on momondo in the last 72 hours is $36.
The fastest flight from San Diego to San Francisco takes 1h 35m
Direct flights go from San Diego to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • 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 40m 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 $34Free CancellationRating
6.3
8,074 reviews
Search Spirit Airlines flights
FrontierPriceFrom $38Free CancellationRating
6.0
3,428 reviews
Search Frontier flights
SouthwestPriceFrom $98Free CancellationRating
8.1
4,648 reviews
Search Southwest flights
United AirlinesPriceFrom $103Free CancellationRating
7.4
8,938 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $116Free CancellationRating
8.0
9,625 reviews
Search Alaska Airlines flights
CitizenPlanePriceFrom $180Free CancellationRating
0.0
Search CitizenPlane flights
American AirlinesPriceFrom $214Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Southwest Flights From San Diego to San Francisco

    Southwest flight deals from San Diego to San Francisco start from $98 round-trip. Over the 20 Southwest flights for this route in a normal week, average airfare is usually $201 round-trip - but some users have found much cheaper deals with momondo.

  • Alaska Airlines Flights From San Diego to San Francisco

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for San Diego to San Francisco start from as low as $116 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $230. Alaska Airlines operates 20 flights to San Francisco from San Diego in an average week. Users have rated it 8.0/10 across 9,628 reviews.


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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 1/13
Mon 1/20
Email me momondo's favorite deals

Find better results for your trip to the United States