$49+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Sep 12 — Sep 191
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 59 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 August 13, 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 August 13, 2026.
This Super.com deal was found by Cheapflights users on 8/8. 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 8/2910:00 am -
Nonstop1h 52m
Sun 9/61:07 pm -
Nonstop1h 43m
Deal found 8/8![Frontier logo]()
$73
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:00 am -
Nonstop1h 52m
Tue 9/11:07 pm -
Nonstop1h 43m
Deal found 8/12![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:00 am -
Nonstop1h 52m
Tue 9/154:31 pm -
Nonstop1h 48m
Deal found 8/11![Frontier logo]()
$75
This Priceline deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:36 pm -
Nonstop1h 46m
Mon 11/25:52 pm -
Nonstop1h 45m
Deal found 8/11![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:00 am -
Nonstop1h 52m
Wed 9/94:31 pm -
Nonstop1h 48m
Deal found 8/11![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:38 pm -
Nonstop1h 55m
Sat 9/264:31 pm -
Nonstop1h 48m
Deal found 8/10![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:28 am -
Nonstop1h 57m
Tue 9/154:31 pm -
Nonstop1h 48m
Deal found 8/10![Frontier logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:28 am -
Nonstop1h 57m
Sun 9/204:31 pm -
Nonstop1h 48m
Deal found 8/12![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 8/8. 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 8/157:45 pm -
Nonstop1h 47m
Wed 8/191:07 pm -
Nonstop1h 43m
Deal found 8/8![Frontier logo]()
$81
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:28 am -
Nonstop1h 57m
Sun 10/44:31 pm -
Nonstop1h 48m
Deal found 8/11![Frontier logo]()
$82
This Expedia deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:59 pm -
Nonstop1h 43m
Tue 9/154:31 pm -
Nonstop1h 48m
Deal found 8/12![Multiple Airlines logo]()
$83
This Super.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:00 am -
Nonstop1h 52m
Sun 9/61:07 pm -
Nonstop1h 43m
Deal found 8/10![Frontier logo]()
$84
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 August 13, 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 August 13, 2026.
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:30 pm -
1 stop6h 10m
Mon 9/147:10 pm -
Nonstop1h 35m
Deal found 8/10![Southwest logo]()
$135
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:53 pm -
1 stop3h 47m
Mon 9/216:43 pm -
1 stop5h 04m
Deal found 8/10![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:40 pm -
Nonstop1h 46m
Sun 10/119:10 pm -
Nonstop1h 47m
Deal found 8/9![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:15 am -
1 stop7h 40m
Sun 9/136:00 am -
Nonstop1h 35m
Deal found 8/11![Southwest logo]()
$144
This Delta deal was found by Cheapflights users on 8/8. 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 9/247:11 pm -
1 stop4h 48m
Sat 9/265:45 am -
1 stop6h 45m
Deal found 8/8![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 8/8. 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 9/38:00 pm -
1 stop4h 15m
Sun 9/68:20 am -
1 stop4h 35m
Deal found 8/8![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:40 am -
Nonstop1h 45m
Thu 11/123:15 pm -
1 stop6h 30m
Deal found 8/9![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:25 pm -
1 stop6h 50m
Tue 10/63:50 pm -
2 stops6h 15m
Deal found 8/12![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:25 pm -
1 stop6h 50m
Sun 10/410:35 pm -
Nonstop1h 40m
Deal found 8/12![Southwest logo]()
$150
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:10 am -
2 stops7h 05m
Mon 9/143:20 pm -
1 stop6h 45m
Deal found 8/10![Southwest logo]()
$150
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm -
2 stops5h 45m
Sat 9/125:00 am -
2 stops6h 15m
Deal found 8/12![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 8/8. 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 10/147:00 am -
1 stop4h 25m
Sat 10/175:00 am -
2 stops6h 55m
Deal found 8/8![Southwest logo]()
$162
Last-minute flights from San Diego to FremontDiscover last-minute flight deals from San Diego to Fremont. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Fremont. Data last updated August 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/8. 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 8/157:45 pm -
Nonstop1h 47m
Tue 8/181:07 pm -
Nonstop1h 43m
Deal found 8/8![Frontier logo]()
$81
This Frontier deal was found by Cheapflights users on 8/8. 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 8/2610:00 am -
Nonstop1h 52m
Sat 8/291:07 pm -
Nonstop1h 43m
Deal found 8/8![Frontier logo]()
$76
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:00 am -
Nonstop1h 52m
Tue 9/11:07 pm -
Nonstop1h 43m
Deal found 8/12![Frontier logo]()
$74
This Super.com deal was found by Cheapflights users on 8/8. 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 8/2910:00 am -
Nonstop1h 52m
Sun 9/61:07 pm -
Nonstop1h 43m
Deal found 8/8![Frontier logo]()
$73
This Super.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:00 am -
Nonstop1h 52m
Sun 9/61:07 pm -
Nonstop1h 43m
Deal found 8/10![Frontier logo]()
$84
This Expedia deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:59 pm -
Nonstop1h 43m
Tue 9/154:31 pm -
Nonstop1h 48m
Deal found 8/12![Multiple Airlines logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:00 am -
Nonstop1h 52m
Tue 9/154:31 pm -
Nonstop1h 48m
Deal found 8/11![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:28 am -
Nonstop1h 57m
Tue 9/154:31 pm -
Nonstop1h 48m
Deal found 8/10![Frontier logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:28 am -
Nonstop1h 57m
Sun 9/204:31 pm -
Nonstop1h 48m
Deal found 8/12![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:38 pm -
Nonstop1h 55m
Sat 10/245:52 pm -
Nonstop1h 45m
Deal found 8/10![Frontier logo]()
$78
This Priceline deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:28 am -
Nonstop1h 57m
Fri 9/254:31 pm -
Nonstop1h 48m
Deal found 8/12![Frontier logo]()
$82
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 August 13, 2026.
Search for one-way flight options from San Diego to Fremont. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:36 pm -
Nonstop1h 46m
Deal found 8/12![Frontier logo]()
$49
This Expedia deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:30 pm -
Nonstop1h 42m
Deal found 8/12![Alaska Airlines logo]()
$50
This eDestinos deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:00 am -
Nonstop1h 52m
Deal found 8/12![Frontier logo]()
$56
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:00 am -
Nonstop1h 52m
Deal found 8/11![Frontier logo]()
$58
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:28 am -
Nonstop1h 57m
Deal found 8/11![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:04 pm -
1 stop20h 42m
Deal found 8/12![Frontier logo]()
$60
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:45 pm -
1 stop8h 33m
Deal found 8/11![Frontier logo]()
$61
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 am -
Nonstop1h 35m
Deal found 8/12![Southwest logo]()
$62
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:10 pm -
Nonstop1h 35m
Deal found 8/10![Southwest logo]()
$63
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:00 am -
Nonstop1h 52m
Deal found 8/11![Frontier logo]()
$66
This iWofly deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:25 am -
1 stop9h 31m
Deal found 8/11![Frontier logo]()
$67
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $73 (Super.com) |
One-way from | $49 (Frontier) |
Popular in | March |
Cheapest in | October |
Average price | $163 |
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 August 13, 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 San Diego - SFO San Francisco
SANSFO
San Diego
Wed 9/2
3:30 pm-9:40 pm
1 stop6h 10m
San Francisco
Mon 9/14
7:10 pm-8:45 pm
Nonstop1h 35m
$135
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Fri 9/11
10:15 am-5:55 pm
1 stop7h 40m
San Francisco
Sun 9/13
6:00 am-7:35 am
Nonstop1h 35m
$144
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Thu 9/3
8:00 pm-12:15 am
1 stop4h 15m
San Francisco
Sun 9/6
8:20 am-12:55 pm
1 stop4h 35m
$147
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Mon 11/9
9:40 am-11:25 am
Nonstop1h 45m
San Francisco
Thu 11/12
3:15 pm-9:45 pm
1 stop6h 30m
$147
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Thu 10/1
4:25 pm-11:15 pm
1 stop6h 50m
San Francisco
Tue 10/6
3:50 pm-10:05 pm
2 stops6h 15m
$148
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Thu 10/1
4:25 pm-11:15 pm
1 stop6h 50m
San Francisco
Sun 10/4
10:35 pm-12:15 am
Nonstop1h 40m
$150
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Sat 9/12
11:10 am-6:15 pm
2 stops7h 05m
San Francisco
Mon 9/14
3:20 pm-10:05 pm
1 stop6h 45m
$150
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Thu 9/10
1:20 pm-7:05 pm
2 stops5h 45m
San Francisco
Sat 9/12
5:00 am-11:15 am
2 stops6h 15m
$153
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Mon 9/14
7:53 pm-11:40 pm
1 stop3h 47m
San Francisco
Mon 9/21
6:43 pm-11:47 pm
1 stop5h 04m
$157
Quickest round-trip
San DiegoSan Francisco
SAN San Diego - SFO San Francisco
SANSFO
San Diego
Fri 10/9
12:40 pm-2:26 pm
Nonstop1h 46m
San Francisco
Sun 10/11
9:10 pm-10:57 pm
Nonstop1h 47m
$157
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 August 13, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 17% 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 August 13, 2026.
The most flights from SAN to FR8 are scheduled on a Tuesday (80 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 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 $112 and $223 in August.The cheapest round-trip price found within the last 5 days was $73 on Frontier (Aug 29-Sep 6).
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 August 8, 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 August 13, 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.
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$43 | Average$114 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$58 | Average$154 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$68 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$246 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$96 | Average$210 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$101 | Average$220 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$217 | Average$387 | FlexibilityNo cancel fee | On-time71% |