$69+ Cheap flights from San Diego (SAN) to Fremont, CA
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Jul 19 — Jul 261
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Fremont 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 Diego to Fremont are usually found in October or August, booked 90 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from San Diego to Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to FremontExplore the most affordable flight options available from San Diego to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.
Explore the most affordable flight options available from San Diego to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.
This Frontier deal was found by Cheapflights users on 6/18. 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.
Fri 8/2110:00 am
SAN
- SFO
Nonstop1h 52m
Frontier
Sun 8/231:07 pm
SFO
- SAN
Nonstop1h 43m
Frontier
Deal found 6/18![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/77:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Wed 7/810:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/18![Frontier logo]()
$104
This Travelocity deal was found by Cheapflights users on 6/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:36 pm
SAN
- SFO
Nonstop1h 46m
Multiple Airlines
Thu 9/248:25 am
SFO
- SAN
Nonstop1h 43m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$105
This Kissandfly.com deal was found by Cheapflights users on 6/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:54 am
SAN
- SFO
1 stop4h 50m
Frontier
Mon 7/1310:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/18![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/87:45 pm
SAN
- SFO
Nonstop1h 47m
Frontier
Fri 8/1410:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 6/17![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 6/19. 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.
Fri 10/24:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Mon 10/55:52 pm
SFO
- SAN
Nonstop1h 45m
Frontier
Deal found 6/19![Frontier logo]()
$108
This Southwest deal was found by Cheapflights users on 6/16. 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 7/148:30 am
SAN
- SFO
Nonstop1h 40m
Southwest
Tue 7/215:50 am
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 6/16![Southwest logo]()
$109
This Frontier deal was found by Cheapflights users on 6/16. 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 8/17:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Sat 8/810:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 6/16![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 6/15. 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.
Fri 7/247:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Mon 7/2710:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/15![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 6/19. 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 7/97:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Fri 7/1010:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/19![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 6/17. 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 7/167:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Sun 7/1910:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/17![Frontier logo]()
$114
Best flights from San Diego to FremontDiscover carefully curated flight deals from San Diego to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
Discover carefully curated flight deals from San Diego to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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 7/96:40 am
SAN
- SFO
1 stop5h 20m
Southwest
Mon 7/1311:00 am
SFO
- SAN
Nonstop1h 40m
Southwest
Deal found 6/16![Southwest logo]()
$119
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:06 pm
SAN
- SFO
1 stop6h 28m
Alaska Airlines
Mon 8/177:55 am
SFO
- SAN
Nonstop1h 40m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 6/18. 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.
Wed 11/43:59 pm
SAN
- SFO
1 stop4h 19m
Delta
Sun 11/86:00 am
SFO
- SAN
1 stop6h 33m
Delta
Deal found 6/18![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 6/17. 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 8/45:30 pm
SAN
- SFO
1 stop3h 50m
Southwest
Thu 8/138:30 am
SFO
- SAN
Nonstop1h 40m
Southwest
Deal found 6/17![Southwest logo]()
$119
This Southwest deal was found by Cheapflights users on 6/18. 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 9/1510:20 am
SAN
- SFO
1 stop5h 40m
Southwest
Tue 9/225:50 am
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 6/18![Southwest logo]()
$119
This Southwest deal was found by Cheapflights users on 6/14. 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.
Wed 7/296:30 am
SAN
- SFO
2 stops7h 45m
Southwest
Wed 8/57:25 pm
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 6/14![Southwest logo]()
$124
This Southwest deal was found by Cheapflights users on 6/18. 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 8/77:00 pm
SAN
- SFO
Nonstop1h 30m
Southwest
Tue 8/116:00 pm
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 6/18![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 6/15. 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 8/281:20 pm
SAN
- SFO
2 stops5h 55m
Southwest
Mon 8/317:45 pm
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 6/15![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 6/18. 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 7/98:55 pm
SAN
- SFO
1 stop3h 40m
Southwest
Sun 7/129:35 pm
SFO
- SAN
Nonstop1h 55m
Southwest
Deal found 6/18![Southwest logo]()
$173
This Southwest deal was found by Cheapflights users on 6/17. 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 7/166:40 am
SAN
- SFO
1 stop5h 20m
Southwest
Sun 7/199:35 pm
SFO
- SAN
Nonstop1h 55m
Southwest
Deal found 6/17![Southwest logo]()
$173
Last-minute flights from San Diego to FremontDiscover last-minute flight deals from San Diego to Fremont. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Fremont. Data last updated June 19, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 6/18. 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.
Tue 7/77:46 pm
SAN
- SFO
Nonstop1h 52m
Multiple Airlines
Thu 7/97:55 am
SFO
- SAN
Nonstop1h 40m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$104
This Kissandfly.com deal was found by Cheapflights users on 6/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:54 am
SAN
- SFO
1 stop4h 50m
Frontier
Mon 7/1310:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/18![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/97:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Sun 7/1210:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/18![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 6/19. 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 7/97:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Fri 7/1010:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/19![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/97:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Tue 7/144:30 pm
SFO
- SAN
1 stop21h 38m
Frontier
Deal found 6/16![Frontier logo]()
$118
This Southwest deal was found by Cheapflights users on 6/16. 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 7/148:30 am
SAN
- SFO
Nonstop1h 40m
Southwest
Tue 7/215:50 am
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 6/16![Southwest logo]()
$109
This WAYA deal was found by Cheapflights users on 6/18. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:03 pm
SAN
- SFO
1 stop4h 49m
Frontier
Wed 7/1510:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/18![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 6/17. 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 7/167:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Sun 7/1910:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/17![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/237:46 pm
SAN
- SFO
Nonstop1h 52m
Multiple Airlines
Thu 8/67:55 am
SFO
- SAN
Nonstop1h 40m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$116
This Super.com deal was found by Cheapflights users on 6/15. 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.
Fri 7/247:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Mon 7/2710:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/15![Frontier logo]()
$112
One-way flights from San Diego to FremontSearch for one-way flight options from San Diego to Fremont. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
Search for one-way flight options from San Diego to Fremont. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Frontier deal was found by Cheapflights users on 6/15. 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.
Fri 9/114:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Deal found 6/15![Frontier logo]()
$69
This Southwest deal was found by Cheapflights users on 6/15. 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 7/226:30 am
SAN
- SFO
2 stops7h 45m
Southwest
Deal found 6/15![Southwest logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Deal found 6/14![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sun 8/167:45 pm
SAN
- SFO
Nonstop1h 47m
Frontier
Deal found 6/16![Frontier logo]()
$72
This Priceline deal was found by Cheapflights users on 6/15. 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 10/254:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Deal found 6/15![Frontier logo]()
$74
This Super.com deal was found by Cheapflights users on 6/17. 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 7/77:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/17![Frontier logo]()
$77
This Delta deal was found by Cheapflights users on 6/19. 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 7/305:01 pm
SAN
- SFO
1 stop6h 51m
Delta
Deal found 6/19![Delta logo]()
$79
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:41 am
SAN
- SFO
1 stop6h 24m
American Airlines
Deal found 6/18![American Airlines logo]()
$80
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:59 pm
SAN
- SFO
Nonstop1h 43m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$83
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/76:15 am
SAN
- SFO
1 stop4h 27m
Delta
Deal found 6/16![Delta logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/129:57 am
SAN
- SFO
1 stop22h 45m
Frontier
Deal found 6/16![Frontier logo]()
$85
Find flight deals from San Diego to Fremont
Keep the following information in mind while searching for San Diego to Fremont flight deals. Data was last updated June 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $103 (Frontier) |
One-way from | $69 (Frontier) |
Popular in | March |
Cheapest in | October |
Average price | $199 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Fremont 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 2,558,603 searches. Data last updated June 19, 2026.
Use the filters below to find and compare flights from San Diego to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 7/9
6:40 am-12:00 pm
1 stop5h 20m
San Francisco
Mon 7/13
11:00 am-12:40 pm
Nonstop1h 40m
$119
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Tue 8/4
5:30 pm-9:20 pm
1 stop3h 50m
San Francisco
Thu 8/13
8:30 am-10:10 am
Nonstop1h 40m
$119
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Tue 9/15
10:20 am-4:00 pm
1 stop5h 40m
San Francisco
Tue 9/22
5:50 am-7:25 am
Nonstop1h 35m
$119
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 7/29
6:30 am-2:15 pm
2 stops7h 45m
San Francisco
Wed 8/5
7:25 pm-9:00 pm
Nonstop1h 35m
$124
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Sat 8/15
4:06 pm-10:34 pm
1 stop6h 28m
San Francisco
Mon 8/17
7:55 am-9:35 am
Nonstop1h 40m
$155
Quickest round-trip
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Fri 8/7
7:00 pm-8:30 pm
Nonstop1h 30m
San Francisco
Tue 8/11
6:00 pm-7:35 pm
Nonstop1h 35m
$163
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Fri 8/28
1:20 pm-7:15 pm
2 stops5h 55m
San Francisco
Mon 8/31
7:45 pm-9:20 pm
Nonstop1h 35m
$168
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 7/9
8:55 pm-12:35 am
1 stop3h 40m
San Francisco
Sun 7/12
9:35 pm-11:30 pm
Nonstop1h 55m
$173
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 7/16
6:40 am-12:00 pm
1 stop5h 20m
San Francisco
Sun 7/19
9:35 pm-11:30 pm
Nonstop1h 55m
$173
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 11/4
3:59 pm-8:18 pm
1 stop4h 19m
San Francisco
Sun 11/8
6:00 am-12:33 pm
1 stop6h 33m
$177
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from San Diego to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont from San Diego with our price prediction graph.
SAN-SFO
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 Diego to Fremont
SAN-FR8
SAN-SFO
What is the cheapest time of day to fly from SAN to FR8?
Find hourly flight availability from San Diego to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 19, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from San Diego to Fremont by exploring options for tickets in the afternoon.
Weekly flight availability from San Diego to Fremont
Explore weekly flight availability from San Diego to Fremont. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 19, 2026.
The most flights from SAN to FR8 are scheduled on a Friday (87 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 on average).
How much does it cost to fly round-trip from San Diego to Fremont?
What is the cheapest day to fly from San Diego to Fremont?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Fremont. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their San Diego to Fremont flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Fremont
Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated June 19, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andHawaiian Airlines from San Diego to Fremont 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.
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from San Diego to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 7 airlines flying from San Diego to Fremont
Discover the top 7 airlines that operate flights from San Diego to Fremont. 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 2,558,603 searches. Data last updated June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$144 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$43 | Average$103 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$68 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$229 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$90 | Average$206 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$97 | Average$212 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$217 | Average$378 | FlexibilityNo cancel fee | On-time71% |