$48+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
Oct 8 — Oct 151
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 68 days in advance, depart on a Saturday or Tuesday 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 8, 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 8, 2026.
This FlightHub deal was found by Cheapflights users on 9/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:22 am -
Nonstop1h 54m
Sat 10/244:53 pm -
1 stop7h 22m
Deal found 9/3![Frontier logo]()
$81
This Frontier deal was found by Cheapflights users on 9/3. 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.
Thu 11/194:57 pm -
Nonstop1h 41m
Mon 11/238:11 pm -
Nonstop1h 55m
Deal found 9/3![Frontier logo]()
$82
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop17h 56m
Thu 10/153:14 pm -
Nonstop1h 49m
Deal found 9/3![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 9/7. 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.
Sat 9/264:31 pm -
Nonstop1h 48m
Mon 9/2810:28 am -
Nonstop1h 57m
Deal found 9/7![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 10/17:08 am -
Nonstop1h 40m
Tue 10/133:14 pm -
Nonstop1h 49m
Deal found 9/6![Multiple Airlines logo]()
$85
This CheapOair deal was found by Cheapflights users on 9/6. 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 9/194:31 pm -
Nonstop1h 48m
Sat 9/261:38 pm -
Nonstop1h 55m
Deal found 9/6![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Tue 9/224:31 pm -
Nonstop1h 48m
Tue 9/2910:28 am -
Nonstop1h 57m
Deal found 9/4![Frontier logo]()
$87
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/24:21 pm -
Nonstop1h 48m
Tue 10/64:54 pm -
1 stop7h 20m
Deal found 9/3![Frontier logo]()
$88
This Flightnetwork deal was found by Cheapflights users on 9/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:21 pm -
Nonstop1h 48m
Thu 10/88:34 pm -
1 stop11h 39m
Deal found 9/3![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/304:31 pm -
Nonstop1h 48m
Mon 10/59:03 pm -
1 stop17h 26m
Deal found 9/6![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/1011:59 pm -
1 stop8h 50m
Sat 10/173:14 pm -
Nonstop1h 49m
Deal found 9/3![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/217:11 pm -
1 stop24h 38m
Tue 11/310:56 am -
Nonstop1h 55m
Deal found 9/4![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 8, 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 8, 2026.
This Southwest deal was found by Cheapflights users on 9/3. 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 11/1610:25 am -
2 stops6h 10m
Mon 11/235:25 pm -
Nonstop1h 40m
Deal found 9/3![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/5. 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 10/1310:20 am -
2 stops6h 55m
Sat 10/171:00 pm -
Nonstop1h 35m
Deal found 9/5![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/7. 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 10/2711:05 am -
Nonstop1h 40m
Thu 10/294:25 pm -
2 stops5h 55m
Deal found 9/7![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/4. 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 10/268:00 pm -
Nonstop1h 35m
Wed 10/288:15 am -
2 stops5h 40m
Deal found 9/4![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/5. 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 10/2010:20 am -
2 stops6h 55m
Sat 10/241:00 pm -
Nonstop1h 35m
Deal found 9/5![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/6. 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.
Thu 10/226:25 am -
Nonstop1h 35m
Thu 10/294:25 pm -
2 stops5h 55m
Deal found 9/6![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/7. 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.
Wed 12/210:15 am -
1 stop5h 10m
Tue 12/83:15 pm -
2 stops6h 10m
Deal found 9/7![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/4. 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 10/1310:20 am -
2 stops6h 55m
Tue 10/204:40 pm -
1 stop5h 00m
Deal found 9/4![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/5. 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 10/308:40 am -
Nonstop1h 35m
Sun 11/17:30 am -
Nonstop1h 45m
Deal found 9/5![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 9/7. 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.
Wed 10/286:55 am -
2 stops7h 45m
Fri 10/304:25 pm -
2 stops5h 55m
Deal found 9/7![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 9/6. 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 10/36:30 am -
1 stop5h 25m
Sun 10/46:35 am -
Nonstop1h 35m
Deal found 9/6![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 8, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to San Diego. Data last updated September 8, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/6. 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 9/194:31 pm -
Nonstop1h 48m
Sat 9/261:38 pm -
Nonstop1h 55m
Deal found 9/6![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Tue 9/224:31 pm -
Nonstop1h 48m
Tue 9/2910:28 am -
Nonstop1h 57m
Deal found 9/4![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 9/4. 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 9/264:31 pm -
Nonstop1h 48m
Mon 9/2810:28 am -
Nonstop1h 57m
Deal found 9/4![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/304:31 pm -
Nonstop1h 48m
Mon 10/59:03 pm -
1 stop17h 26m
Deal found 9/6![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 10/17:08 am -
Nonstop1h 40m
Tue 10/133:14 pm -
Nonstop1h 49m
Deal found 9/6![Multiple Airlines logo]()
$85
This Flightnetwork deal was found by Cheapflights users on 9/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:21 pm -
Nonstop1h 48m
Thu 10/88:34 pm -
1 stop11h 39m
Deal found 9/3![Frontier logo]()
$89
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/24:21 pm -
Nonstop1h 48m
Tue 10/64:54 pm -
1 stop7h 20m
Deal found 9/3![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/1011:59 pm -
1 stop8h 50m
Sat 10/173:14 pm -
Nonstop1h 49m
Deal found 9/3![Frontier logo]()
$91
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop17h 56m
Thu 10/153:14 pm -
Nonstop1h 49m
Deal found 9/3![Frontier logo]()
$83
This FlightHub deal was found by Cheapflights users on 9/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:22 am -
Nonstop1h 54m
Sat 10/244:53 pm -
1 stop7h 22m
Deal found 9/3![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 9/4. 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
Mon 11/28:32 pm -
1 stop11h 47m
Deal found 9/4![Frontier logo]()
$92
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 8, 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 8, 2026.
This CheapOair deal was found by Cheapflights users on 9/6. 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 9/264:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$48
This Super.com deal was found by Cheapflights users on 9/3. 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.
Tue 9/154:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$54
This Super.com deal was found by Cheapflights users on 9/4. 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.
Sun 9/204:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$55
This Super.com deal was found by Cheapflights users on 9/4. 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.
Tue 9/224:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$56
This Southwest deal was found by Cheapflights users on 9/7. 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.
Thu 10/812:05 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$59
This Booking.com deal was found by Cheapflights users on 9/4. 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.
Thu 9/244:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/164:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/194:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$63
This Super.com deal was found by Cheapflights users on 9/3. 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.
Thu 10/810:19 pm -
1 stop21h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$64
This Super.com deal was found by Cheapflights users on 9/3. 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 9/144:31 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Tue 10/611:17 am -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$66
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $82 (Frontier) |
One-way from | $48 (CheapOair) |
Popular in | March |
Cheapest in | October |
Average price | $193 |
Good round-trip deal | $142 or less |
Good one-way deal | $77 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 8, 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
Thu 10/29
6:15 pm-7:55 pm
Nonstop1h 40m
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
Thu 10/8
7:03 am-8:45 am
Nonstop1h 42m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
Quickest round-trip
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Thu 10/1
8:40 am-10:15 am
Nonstop1h 35m
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
Mon 9/28
5:16 pm-7:00 pm
Nonstop1h 44m
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
Sat 10/10
7:03 am-8:45 am
Nonstop1h 42m
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
Mon 10/5
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
Wed 11/4
1:30 pm-5:25 pm
1 stop3h 55m
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 10/31
5:10 am-2:05 pm
2 stops8h 55m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Tue 10/20
6:55 am-2:40 pm
2 stops7h 45m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
San FranciscoSan Diego
SFO San Francisco - SAN San Diego
SFOSAN
San Francisco
Mon 11/23
7:21 pm-11:53 pm
1 stop4h 32m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
Showing 1-10 of 21 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 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
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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 50 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 $172). 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 8, 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 18% 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 5, 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 124 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 early afternoon 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 20% 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 8, 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.
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$139 | 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$88 | Average$226 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$96 | Average$250 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$111 | Average$244 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$111 | Average$211 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$217 | Average$387 | FlexibilityNo cancel fee | On-time71% |