$59+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Aug 25 — Sep 11
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
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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 July 26, 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 July 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/223:43 pm
SAN
- SFO
Nonstop1h 39m
Multiple Airlines
Tue 8/251:07 pm
SFO
- SAN
Nonstop1h 43m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$78
This FlightHub deal was found by Cheapflights users on 7/20. 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.
Sun 9/134:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Mon 9/145:52 pm
SFO
- SAN
Nonstop1h 45m
Frontier
Deal found 7/20![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/177:45 pm
SAN
- SFO
Nonstop1h 47m
Frontier
Tue 9/154:31 pm
SFO
- SAN
Nonstop1h 48m
Frontier
Deal found 7/24![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 7/22. 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 10/154:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Fri 10/165:52 pm
SFO
- SAN
Nonstop1h 45m
Frontier
Deal found 7/22![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/234:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Tue 10/275:52 pm
SFO
- SAN
Nonstop1h 45m
Frontier
Deal found 7/25![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/113:03 pm
SAN
- SFO
1 stop6h 09m
Frontier
Sat 8/1510:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/21![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 7/25. 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.
Wed 8/1910:00 am
SAN
- SFO
Nonstop1h 52m
Frontier
Sun 8/231:07 pm
SFO
- SAN
Nonstop1h 43m
Frontier
Deal found 7/25![Frontier logo]()
$84
This eDestinos deal was found by Cheapflights users on 7/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:03 pm
SAN
- SFO
1 stop19h 22m
Frontier
Wed 8/1210:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/22![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/2910:00 am
SAN
- SFO
Nonstop1h 52m
Frontier
Mon 8/313:38 pm
SFO
- SAN
1 stop4h 36m
Frontier
Deal found 7/23![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 7/20. 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 8/127:45 pm
SAN
- SFO
Nonstop1h 47m
Frontier
Sat 8/1510:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/20![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/137:45 pm
SAN
- SFO
Nonstop1h 47m
Frontier
Mon 8/1711:20 am
SFO
- SAN
1 stop8h 46m
Frontier
Deal found 7/22![Frontier logo]()
$89
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 July 26, 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 July 26, 2026.
This Southwest deal was found by Cheapflights users on 7/22. 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 8/279:20 am
SAN
- SFO
Nonstop1h 35m
Southwest
Thu 8/2712:30 pm
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 7/22![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/23. 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 9/107:50 am
SAN
- SFO
Nonstop1h 35m
Southwest
Thu 9/103:20 pm
SFO
- SAN
1 stop6h 45m
Southwest
Deal found 7/23![Southwest logo]()
$107
This Southwest deal was found by Cheapflights users on 7/22. 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 8/226:05 pm
SAN
- SFO
Nonstop1h 30m
Southwest
Sat 8/295:00 am
SFO
- SAN
2 stops6h 15m
Southwest
Deal found 7/22![Southwest logo]()
$112
This Southwest deal was found by Cheapflights users on 7/20. 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 8/2911:10 am
SAN
- SFO
2 stops7h 05m
Southwest
Sat 9/55:00 am
SFO
- SAN
1 stop5h 40m
Southwest
Deal found 7/20![Southwest logo]()
$122
This Southwest deal was found by Cheapflights users on 7/22. 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 9/34:45 pm
SAN
- SFO
1 stop6h 20m
Southwest
Thu 9/105:10 am
SFO
- SAN
2 stops6h 05m
Southwest
Deal found 7/22![Southwest logo]()
$122
This Southwest deal was found by Cheapflights users on 7/20. 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 9/111:05 pm
SAN
- SFO
1 stop4h 50m
Southwest
Fri 9/117:10 pm
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 7/20![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 7/23. 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 8/258:35 am
SAN
- SFO
2 stops7h 25m
Southwest
Thu 8/275:10 am
SFO
- SAN
2 stops6h 05m
Southwest
Deal found 7/23![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 7/25. 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 8/203:30 pm
SAN
- SFO
2 stops6h 00m
Southwest
Mon 8/242:50 pm
SFO
- SAN
1 stop6h 20m
Southwest
Deal found 7/25![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 7/21. 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 8/1812:30 pm
SAN
- SFO
Nonstop1h 35m
Southwest
Tue 8/259:35 am
SFO
- SAN
2 stops5h 50m
Southwest
Deal found 7/21![Southwest logo]()
$146
This Southwest deal was found by Cheapflights users on 7/24. 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 9/1211:10 am
SAN
- SFO
2 stops7h 05m
Southwest
Sat 9/196:00 am
SFO
- SAN
2 stops6h 25m
Southwest
Deal found 7/24![Southwest logo]()
$157
Last-minute flights from San Diego to FremontDiscover last-minute flight deals from San Diego to Fremont. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Fremont. Data last updated July 26, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/20. 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 7/307:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Mon 8/1010:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/20![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 7/22. 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
Tue 8/1110:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/22![Frontier logo]()
$162
This Super.com deal was found by Cheapflights users on 7/20. 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 8/17:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Mon 8/1010:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/20![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 7/22. 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 8/37:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Wed 8/1210:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/22![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 7/22. 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 8/37:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Tue 8/1110:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/22![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 7/22. 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 8/47:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Wed 8/1210:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/22![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 7/21. 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 8/47:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Tue 8/251:07 pm
SFO
- SAN
Nonstop1h 43m
Frontier
Deal found 7/21![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 7/22. 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 8/47:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Tue 8/1110:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Deal found 7/22![Frontier logo]()
$141
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 July 26, 2026.
Search for one-way flight options from San Diego to Fremont. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Southwest deal was found by Cheapflights users on 7/24. 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 8/176:40 pm
SAN
- SFO
1 stop4h 45m
Southwest
Deal found 7/24![Southwest logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/810:25 am
SAN
- SFO
1 stop13h 26m
Frontier
Deal found 7/23![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/113:03 pm
SAN
- SFO
1 stop19h 22m
Frontier
Deal found 7/20![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/248:59 pm
SAN
- SFO
1 stop13h 26m
Frontier
Deal found 7/23![Frontier logo]()
$63
This Southwest deal was found by Cheapflights users on 7/22. 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 9/210:20 am
SAN
- SFO
2 stops6h 40m
Southwest
Deal found 7/22![Southwest logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/234:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Deal found 7/25![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 7/23. 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 9/204:36 pm
SAN
- SFO
Nonstop1h 46m
Frontier
Deal found 7/23![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/225:54 pm
SAN
- SFO
1 stop16h 52m
Frontier
Deal found 7/24![Frontier logo]()
$67
This Southwest deal was found by Cheapflights users on 7/24. 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 9/151:45 pm
SAN
- SFO
1 stop4h 35m
Southwest
Deal found 7/24![Southwest logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/119:43 pm
SAN
- SFO
1 stop15h 34m
Frontier
Deal found 7/22![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/129:43 pm
SAN
- SFO
1 stop26h 08m
Frontier
Deal found 7/24![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/169:43 pm
SAN
- SFO
1 stop10h 40m
Frontier
Deal found 7/21![Frontier logo]()
$73
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 July 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $78 (Kiwi.com) |
One-way from | $59 (Southwest) |
Popular in | March |
Cheapest in | October |
Average price | $198 |
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 July 26, 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
Quickest round-trip
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 8/27
9:20 am-10:55 am
Nonstop1h 35m
San Francisco
Thu 8/27
12:30 pm-2:05 pm
Nonstop1h 35m
$97
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 9/10
7:50 am-9:25 am
Nonstop1h 35m
San Francisco
Thu 9/10
3:20 pm-10:05 pm
1 stop6h 45m
$107
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Sat 8/22
6:05 pm-7:35 pm
Nonstop1h 30m
San Francisco
Sat 8/29
5:00 am-11:15 am
2 stops6h 15m
$112
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Sat 8/29
11:10 am-6:15 pm
2 stops7h 05m
San Francisco
Sat 9/5
5:00 am-10:40 am
1 stop5h 40m
$122
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 9/3
4:45 pm-11:05 pm
1 stop6h 20m
San Francisco
Thu 9/10
5:10 am-11:15 am
2 stops6h 05m
$122
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Fri 9/11
1:05 pm-5:55 pm
1 stop4h 50m
San Francisco
Fri 9/11
7:10 pm-8:45 pm
Nonstop1h 35m
$127
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Tue 8/25
8:35 am-4:00 pm
2 stops7h 25m
San Francisco
Thu 8/27
5:10 am-11:15 am
2 stops6h 05m
$127
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 8/20
3:30 pm-9:30 pm
2 stops6h 00m
San Francisco
Mon 8/24
2:50 pm-9:10 pm
1 stop6h 20m
$142
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Tue 8/18
12:30 pm-2:05 pm
Nonstop1h 35m
San Francisco
Tue 8/25
9:35 am-3:25 pm
2 stops5h 50m
$146
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Sat 9/12
11:10 am-6:15 pm
2 stops7h 05m
San Francisco
Sat 9/19
6:00 am-12:25 pm
2 stops6h 25m
$157
Showing 1-10 of 19 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 July 26, 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 at noon.
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 July 26, 2026.
The most flights from SAN to FR8 are scheduled on a Friday (88 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (42 on average).
How much does it cost to fly round-trip from San Diego to Fremont?
Airfare is below average for this route at the moment.
San Diego to Fremont flights typically cost between $126 and $252 in August.The cheapest round-trip price found within the last 5 days was $78 on Multiple Airlines (Aug 22-Aug 25).
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 July 25, 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. Monday evenings 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 July 26, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, 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.
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
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 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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San Diego and Fremont flights
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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 July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$43 | Average$114 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$58 | Average$152 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$68 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$240 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$96 | Average$210 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$102 | Average$219 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$217 | Average$387 | FlexibilityNo cancel fee | On-time71% |