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Cheap flights from San Francisco to San Diego from C$ 40

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 12/8. 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

Alaska Airlines Logo
7:20 a.m. - 9:02 a.m.SFO-SAN
1h 42mdirect
Alaska Airlines Logo
10:18 p.m. - 11:59 p.m.SAN-SFO
1h 41mdirect
C$ 120Alaska Airlines
Find Deal
Tue, 12 Aug - Tue, 26 Aug
United Airlines Logo
6:15 a.m. - 7:55 a.m.SFO-SAN
1h 40mdirect
United Airlines Logo
10:38 a.m. - 12:20 p.m.SAN-SFO
1h 42mdirect
C$ 127United Airlines
Find Deal
Mon, 22 Sep - Mon, 22 Sep
United Airlines Logo
6:15 a.m. - 7:55 a.m.SFO-SAN
1h 40mdirect
United Airlines Logo
6:15 a.m. - 7:56 a.m.SAN-SFO
1h 41mdirect
C$ 133United Airlines
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Alaska Airlines Logo
7:10 a.m. - 8:52 a.m.SFO-SAN
1h 42mdirect
Alaska Airlines Logo
10:18 p.m. - 11:59 p.m.SAN-SFO
1h 41mdirect
C$ 147Alaska Airlines
Find Deal
Wed, 20 Aug - Fri, 22 Aug
Alaska Airlines Logo
7:00 a.m. - 8:40 a.m.SFO-SAN
1h 40mdirect
Alaska Airlines Logo
12:33 p.m. - 5:27 p.m.SAN-SFO
4h 54m1 stop
C$ 153Alaska Airlines
Find Deal
Tue, 18 Nov - Tue, 18 Nov
Southwest Logo
7:50 a.m. - 2:40 p.m.SFO-SAN
6h 50m2 stops
Southwest Logo
7:00 p.m. - 8:35 p.m.SAN-SFO
1h 35mdirect
C$ 154Southwest
Find Deal
Wed, 27 Aug - Wed, 27 Aug
Southwest Logo
4:45 p.m. - 9:00 p.m.SFO-SAN
4h 15m1 stop
Southwest Logo
3:35 p.m. - 9:25 p.m.SAN-SFO
5h 50m1 stop
C$ 160Southwest
Find Deal
Sat, 23 Aug - Tue, 26 Aug
Hawaiian Airlines Logo
7:10 a.m. - 8:52 a.m.SFO-SAN
1h 42mdirect
Hawaiian Airlines Logo
8:27 a.m. - 10:14 a.m.SAN-SFO
1h 47mdirect
C$ 184Hawaiian Airlines
Find Deal
Thu, 28 Aug - Sun, 31 Aug
Hawaiian Airlines Logo
7:20 a.m. - 9:02 a.m.SFO-SAN
1h 42mdirect
Hawaiian Airlines Logo
6:15 a.m. - 8:00 a.m.SAN-SFO
1h 45mdirect
C$ 188Hawaiian Airlines
Find Deal
Tue, 12 Aug - Sun, 17 Aug
Delta Logo
5:03 p.m. - 11:42 p.m.SFO-SAN
6h 39m1 stop
Delta Logo
6:57 p.m. - 10:09 p.m.SAN-SFO
3h 12m1 stop
C$ 243Delta
Find Deal
Tue, 19 Aug - Thu, 28 Aug

Hawaiian Airlines flights from San Francisco to San Diego

Our best Hawaiian Airlines deals on San Francisco to San Diego flight tickets
Hawaiian Airlines
12 Aug
SFO7:20 a.m.San Francisco
1h 42m
SAN9:02 a.m.San Diego
17 Aug
SAN6:15 a.m.San Diego
1h 45m
SFO8:00 a.m.San Francisco
C$ 188
Find similar
Hawaiian Airlines
5 Aug
SFO6:00 a.m.San Francisco
1h 42m
SAN7:42 a.m.San Diego
5 Aug
SAN4:49 p.m.San Diego
1h 39m
SFO6:28 p.m.San Francisco
C$ 208
Find similar
Hawaiian Airlines
11 Aug
SFO6:00 a.m.San Francisco
1h 42m
SAN7:42 a.m.San Diego
12 Aug
SAN7:57 p.m.San Diego
1h 40m
SFO9:37 p.m.San Francisco
C$ 216
Find similar

Southwest flights from San Francisco to San Diego

Our best Southwest deals on San Francisco to San Diego flight tickets
Southwest
27 Aug
SFO7:50 a.m.San Francisco
6h 50m
2 stops
SAN2:40 p.m.San Diego
27 Aug
SAN7:00 p.m.San Diego
1h 35m
SFO8:35 p.m.San Francisco
C$ 154
Find similar
Southwest
23 Aug
SFO4:45 p.m.San Francisco
4h 15m
1 stop
SAN9:00 p.m.San Diego
26 Aug
SAN3:35 p.m.San Diego
5h 50m
1 stop
SFO9:25 p.m.San Francisco
C$ 160
Find similar
Southwest
27 Sep
SFO5:15 a.m.San Francisco
11h 40m
2 stops
SAN4:55 p.m.San Diego
2 Oct
SAN8:55 p.m.San Diego
1h 40m
SFO10:35 p.m.San Francisco
C$ 162
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momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 30 July 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 12/8

7:20 a.m.-9:02 a.m.

Nonstop1h 42m

San Diego

Tue 26/8

10:18 p.m.-11:59 p.m.

Nonstop1h 41m

C$ 120

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 22/9

6:15 a.m.-7:55 a.m.

Nonstop1h 40m

San Diego

Mon 22/9

10:38 a.m.-12:20 p.m.

Nonstop1h 42m

C$ 127

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 5/9

6:15 a.m.-7:55 a.m.

Nonstop1h 40m

San Diego

Sun 7/9

6:15 a.m.-7:56 a.m.

Nonstop1h 41m

C$ 133

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 20/8

7:10 a.m.-8:52 a.m.

Nonstop1h 42m

San Diego

Fri 22/8

10:18 p.m.-11:59 p.m.

Nonstop1h 41m

C$ 147

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 18/11

7:00 a.m.-8:40 a.m.

Nonstop1h 40m

San Diego

Tue 18/11

12:33 p.m.-5:27 p.m.

1 stop4h 54m

C$ 153

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 27/8

7:50 a.m.-2:40 p.m.

2 stops6h 50m

San Diego

Wed 27/8

7:00 p.m.-8:35 p.m.

Nonstop1h 35m

C$ 154

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 23/8

4:45 p.m.-9:00 p.m.

1 stop4h 15m

San Diego

Tue 26/8

3:35 p.m.-9:25 p.m.

1 stop5h 50m

C$ 160

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 28/8

7:10 a.m.-8:52 a.m.

Nonstop1h 42m

San Diego

Sun 31/8

8:27 a.m.-10:14 a.m.

Nonstop1h 47m

C$ 184

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 12/8

7:20 a.m.-9:02 a.m.

Nonstop1h 42m

San Diego

Sun 17/8

6:15 a.m.-8:00 a.m.

Nonstop1h 45m

C$ 188

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 19/8

5:03 p.m.-11:42 p.m.

1 stop6h 39m

San Diego

Thu 28/8

6:57 p.m.-10:09 p.m.

1 stop3h 12m

C$ 243

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 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?

In general, January is the cheapest month to fly from San Francisco to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 146. If you are unable to visit San Diego during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around C$ 171.

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

The cheapest day to depart on your flight to San Diego is on a Monday when prices can be found for as low as C$ 107. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Saturday is C$ 570.

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

Flying to San Diego from San Francisco in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 98 when looking at flights departing in the evening. Flights to San Diego are more costly at noon, with an average ticket price of C$ 570. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 C$ 191 when searching weeks out. 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 C$ 142 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 July 2025, prices for San Francisco to San Diego flights are approximately 56% 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 round-trip 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

C$ 40

Fastest flight time

1h 30m

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 C$ 40. The best round-trip flight deal from San Francisco to San Diego found on momondo in the last 72 hours is C$ 120.
The fastest flight from San Francisco to San Diego takes 1h 30m
Direct flights go from San Francisco to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

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

    A flight from San Francisco to San Diego will travel around 738.2 km. In terms of flight time, this usually takes a little over 1h 30m.

  • 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 are updated daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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 C$ 53Free CancellationRating
5.9
3,237 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom C$ 98Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights

  • Hawaiian Airlines Flights From San Francisco to San Diego

    Hawaiian Airlines flies from San Francisco to San Diego around 46 times per week, with 2,611 momondo users rating the airline 7.8/10. The cheapest Hawaiian Airlines deal from San Francisco to San Diego in the last 72 hours was C$ 71 (round-trip), much lower than the average airfare cost of C$ 113 for Hawaiian Airlines flights on this route.

  • Frontier Flights From San Francisco to San Diego

    Frontier (5.9/10 from 3,237 reviews) operates around 5 flights from San Francisco to San Diego in any given week. The average Frontier airfare for this route is around C$ 80, with deals from around C$ 38 rare but found on momondo. Referenced prices are for round-trip San Francisco to San Diego flight 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
El Cajon

Why use momondo?

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

Finding the right flight to San Diego from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

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

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

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

Once all potential San Francisco to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for San Francisco to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Diego trip

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