$42+ Cheap flights from San Francisco to San Diego (SFO - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in October or September, booked 77 days in advance, depart on a Saturday or Wednesday and return on a Friday
Cheap flight deals from San Francisco to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to San DiegoExplore the most affordable flight options available from San Francisco to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from San Francisco to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:22 am -
Nonstop1h 54m
Thu 10/223:14 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$42
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:20 am -
Nonstop1h 46m
Sat 10/243:14 pm -
Nonstop1h 49m
Deal found 9/10![Multiple Airlines logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:22 am -
Nonstop1h 54m
Sat 10/173:14 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$83
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:21 pm -
Nonstop1h 48m
Tue 10/610:28 am -
Nonstop1h 57m
Deal found 9/14![Frontier logo]()
$84
This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:22 am -
Nonstop1h 54m
Tue 10/133:14 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:57 pm -
Nonstop1h 41m
Wed 11/1810:56 am -
Nonstop1h 55m
Deal found 9/14![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:57 pm -
Nonstop1h 41m
Tue 11/310:56 am -
Nonstop1h 55m
Deal found 9/12![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:03 am -
Nonstop1h 42m
Sat 10/103:14 pm -
Nonstop1h 49m
Deal found 9/10![Multiple Airlines logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:21 pm -
Nonstop1h 48m
Mon 10/59:03 pm -
1 stop11h 11m
Deal found 9/10![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:22 am -
Nonstop1h 54m
Thu 10/2910:48 am -
Nonstop1h 55m
Deal found 9/10![Frontier logo]()
$90
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:57 pm -
Nonstop1h 41m
Sun 11/1510:56 am -
Nonstop1h 55m
Deal found 9/13![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:21 pm -
Nonstop1h 48m
Mon 10/510:28 am -
Nonstop1h 57m
Deal found 9/10![Frontier logo]()
$92
Best flights from San Francisco to San DiegoDiscover carefully curated flight deals from San Francisco to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from San Francisco to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:20 pm -
Nonstop1h 40m
Tue 10/136:40 am -
2 stops7h 15m
Deal found 9/12![Southwest logo]()
$132
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:18 pm -
1 stop5h 25m
Thu 11/53:00 pm -
1 stop5h 32m
Deal found 9/13![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:25 am -
Nonstop1h 35m
Mon 10/196:45 pm -
1 stop6h 00m
Deal found 9/12![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:45 am -
2 stops8h 20m
Fri 11/67:30 am -
Nonstop1h 45m
Deal found 9/14![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:40 pm -
1 stop4h 34m
Wed 11/117:10 pm -
1 stop4h 49m
Deal found 9/13![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
2 stops6h 55m
Mon 10/266:15 pm -
1 stop6h 25m
Deal found 9/12![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:35 am -
1 stop4h 40m
Mon 10/54:25 pm -
2 stops5h 55m
Deal found 9/10![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:41 pm -
1 stop3h 06m
Tue 10/1310:57 am -
1 stop4h 57m
Deal found 9/11![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:55 am -
2 stops8h 00m
Sat 11/219:25 pm -
Nonstop1h 45m
Deal found 9/14![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:55 am -
2 stops8h 00m
Wed 12/22:55 pm -
2 stops6h 30m
Deal found 9/11![Southwest logo]()
$167
Last-minute flights from San Francisco to San DiegoDiscover last-minute flight deals from San Francisco to San Diego. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to San Diego. Data last updated September 15, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:31 pm -
Nonstop1h 48m
Wed 9/231:38 pm -
Nonstop1h 55m
Deal found 9/11![Frontier logo]()
$91
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:21 pm -
Nonstop1h 48m
Tue 10/610:28 am -
Nonstop1h 57m
Deal found 9/14![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:21 pm -
Nonstop1h 48m
Wed 10/75:54 pm -
1 stop23h 13m
Deal found 9/10![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:21 pm -
Nonstop1h 48m
Mon 10/59:03 pm -
1 stop11h 11m
Deal found 9/10![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:21 pm -
Nonstop1h 48m
Wed 10/71:38 pm -
Nonstop1h 55m
Deal found 9/10![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:03 am -
Nonstop1h 42m
Sat 10/103:14 pm -
Nonstop1h 49m
Deal found 9/10![Multiple Airlines logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:22 am -
Nonstop1h 54m
Sat 10/173:14 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$83
This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:22 am -
Nonstop1h 54m
Tue 10/133:14 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:22 am -
Nonstop1h 54m
Thu 10/223:14 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$42
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:22 am -
Nonstop1h 54m
Thu 10/2910:48 am -
Nonstop1h 55m
Deal found 9/10![Frontier logo]()
$90
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:20 am -
Nonstop1h 46m
Sat 10/243:14 pm -
Nonstop1h 49m
Deal found 9/10![Multiple Airlines logo]()
$82
This Frontier deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:57 pm -
Nonstop1h 41m
Tue 11/310:56 am -
Nonstop1h 55m
Deal found 9/12![Frontier logo]()
$87
One-way flights from San Francisco to San DiegoSearch for one-way flight options from San Francisco to San Diego. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from San Francisco to San Diego. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Jetabroad deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/123:47 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$43
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:57 pm -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$48
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:57 pm -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$49
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:57 pm -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$51
This Super.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$54
This Super.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:28 pm -
1 stop5h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$58
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:20 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Southwest logo]()
$59
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:20 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$64
This Booking.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:04 am -
1 stop17h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$65
Find flight deals from San Francisco to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $42 (CheapOair) |
Popular in | March |
Cheapest in | October |
Average price | $201 |
Good round-trip deal | $145 or less |
Good one-way deal | $74 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
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
Cheapest round-trip
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Sat 10/10
7:00 am-8:43 am
Nonstop1h 43m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Tue 10/20
3:50 pm-9:00 pm
1 stop5h 10m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
Quickest round-trip
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Fri 10/30
6:25 am-8:00 am
Nonstop1h 35m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Fri 10/2
9:10 pm-10:57 pm
Nonstop1h 47m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Sat 10/10
3:00 pm-9:10 pm
1 stop6h 10m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Mon 10/19
7:25 pm-12:10 am
1 stop4h 45m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Tue 11/3
10:15 am-4:35 pm
1 stop6h 20m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$73
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Thu 10/29
6:45 am-1:05 pm
1 stop6h 20m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$73
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Wed 10/14
6:55 am-3:10 pm
1 stop8h 15m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Fri 10/2
6:15 pm-7:55 pm
Nonstop1h 40m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Francisco to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to San Diego in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SFO-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to San Diego
Prices
Airlines
Delays
How far ahead should I book a flight from San Francisco to San Diego?
The price you pay for your flight from San Francisco to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 $175). Flying from San Francisco to San Diego in March is currently the most expensive (average of $266). 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?
Find hourly flight availability from San Francisco to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
A simple way to save on the total cost of your ticket is to fly from San Francisco to San Diego in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from San Francisco to San Diego?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to San Diego. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their San Francisco to San Diego flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Francisco to San Diego delayed?
About 29% of weekly flights between San Francisco and San Diego have experienced delays in the past year, with the average delay time being 125 minutes.
What is the most punctual flight time for San Francisco to San Diego flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to San Diego flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.
The best insider tips for San Francisco to San Diego flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to San Diego trip
Our travel experts
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated September 15, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andHawaiian Airlines from San Francisco to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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San Francisco and San Diego flights
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Top 8 airlines flying from San Francisco to San Diego
Discover the top 8 airlines that operate flights from San Francisco to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$50 | Average$140 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$53 | Average$163 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$78 | Average$156 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$95 | Average$227 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$255 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$112 | Average$244 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$213 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$217 | Average$387 | FlexibilityNo cancel fee | On-time71% |