$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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
May 18 — May 251
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 July or May, booked 90 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from San Diego to Fremont
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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 April 18, 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 April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/237:15 pm
SAN
- SFO
Nonstop2h 01m
Multiple Airlines
Wed 5/276:16 am
SFO
- SAN
Nonstop1h 42m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$108
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:19 am
SAN
- SFO
Nonstop1h 52m
Multiple Airlines
Tue 5/57:15 am
SFO
- SAN
Nonstop1h 40m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$109
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
Tue 5/59:26 pm
SFO
- SAN
Nonstop1h 46m
Frontier
Deal found 4/14![Frontier logo]()
$110
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:42 pm
SAN
- SFO
Nonstop1h 38m
Multiple Airlines
Sun 5/3110:01 pm
SFO
- SAN
Nonstop1h 43m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$111
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:40 am
SAN
- SFO
2 stops6h 40m
Southwest
Tue 6/164:25 pm
SFO
- SAN
Nonstop1h 40m
Southwest
Deal found 4/13![Southwest logo]()
$112
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
Sun 5/39:58 am
SFO
- SAN
Nonstop1h 42m
Frontier
Deal found 4/14![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Tue 6/95:42 pm
SAN
- SFO
Nonstop1h 38m
Multiple Airlines
Mon 7/610:06 pm
SFO
- SAN
Nonstop1h 43m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$116
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:15 am
SAN
- SFO
Nonstop1h 46m
United Airlines
Sat 5/98:45 pm
SFO
- SAN
Nonstop1h 52m
United Airlines
Deal found 4/17![United Airlines logo]()
$117
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:59 pm
SAN
- SFO
1 stop10h 31m
Frontier
Mon 5/189:56 pm
SFO
- SAN
Nonstop1h 46m
Frontier
Deal found 4/14![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:15 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Mon 6/18:56 am
SFO
- SAN
1 stop14h 54m
Frontier
Deal found 4/14![Frontier logo]()
$119
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 April 18, 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 April 18, 2026.
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:25 pm
SAN
- SFO
2 stops6h 50m
Southwest
Sat 5/912:45 pm
SFO
- SAN
1 stop7h 25m
Southwest
Deal found 4/13![Southwest logo]()
$132
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/136:45 pm
SAN
- SFO
1 stop3h 38m
Delta
Sat 5/164:55 pm
SFO
- SAN
1 stop6h 20m
Delta
Deal found 4/16![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:20 am
SAN
- SFO
Nonstop1h 48m
United Airlines
Sat 5/164:41 pm
SFO
- SAN
Nonstop1h 52m
United Airlines
Deal found 4/14![United Airlines logo]()
$180
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:13 am
SAN
- SFO
Nonstop1h 40m
Alaska Airlines
Sun 5/316:16 am
SFO
- SAN
Nonstop1h 42m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$192
This Southwest deal was found by Cheapflights users on 4/17. 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.
Wed 6/106:40 am
SAN
- SFO
2 stops7h 35m
Southwest
Mon 6/154:00 pm
SFO
- SAN
Nonstop1h 40m
Southwest
Deal found 4/17![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/136:45 pm
SAN
- SFO
1 stop3h 38m
Delta
Thu 5/219:30 am
SFO
- SAN
1 stop5h 27m
Delta
Deal found 4/16![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:15 am
SAN
- SFO
1 stop4h 35m
Southwest
Tue 5/197:20 am
SFO
- SAN
2 stops6h 50m
Southwest
Deal found 4/13![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 4/15. 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.
Thu 5/712:50 pm
SAN
- SFO
Nonstop1h 45m
Southwest
Mon 5/113:40 pm
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 4/15![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 4/17. 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.
Sat 5/98:35 am
SAN
- SFO
2 stops8h 50m
Southwest
Sun 5/106:10 am
SFO
- SAN
1 stop5h 35m
Southwest
Deal found 4/17![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:40 am
SAN
- SFO
2 stops6h 20m
Southwest
Mon 6/13:00 pm
SFO
- SAN
2 stops7h 30m
Southwest
Deal found 4/13![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:45 am
SAN
- SFO
2 stops5h 50m
Southwest
Fri 6/56:45 am
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 4/14![Southwest logo]()
$222
Last-minute flights from San Diego to FremontDiscover last-minute flight deals from San Diego to Fremont. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Fremont. Data last updated April 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
Tue 5/59:26 pm
SFO
- SAN
Nonstop1h 46m
Frontier
Deal found 4/14![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
Sun 5/39:58 am
SFO
- SAN
Nonstop1h 42m
Frontier
Deal found 4/14![Frontier logo]()
$113
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:19 am
SAN
- SFO
Nonstop1h 52m
Multiple Airlines
Tue 5/57:15 am
SFO
- SAN
Nonstop1h 40m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$109
This Southwest deal was found by Cheapflights users on 4/17. 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.
Sat 5/95:15 pm
SAN
- SFO
Nonstop1h 40m
Southwest
Wed 5/132:50 pm
SFO
- SAN
1 stop4h 35m
Southwest
Deal found 4/17![Southwest logo]()
$117
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:59 pm
SAN
- SFO
1 stop10h 31m
Frontier
Mon 5/189:56 pm
SFO
- SAN
Nonstop1h 46m
Frontier
Deal found 4/14![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/237:15 pm
SAN
- SFO
Nonstop2h 01m
Multiple Airlines
Wed 5/276:16 am
SFO
- SAN
Nonstop1h 42m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Wed 5/277:43 am
SAN
- SFO
Nonstop1h 50m
Multiple Airlines
Wed 6/1710:27 pm
SFO
- SAN
Nonstop1h 48m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$116
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:42 pm
SAN
- SFO
Nonstop1h 38m
Multiple Airlines
Sun 5/3110:01 pm
SFO
- SAN
Nonstop1h 43m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$111
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:15 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Mon 6/18:56 am
SFO
- SAN
1 stop14h 54m
Frontier
Deal found 4/14![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 4/17. 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.
Sun 5/317:15 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Fri 6/510:01 pm
SFO
- SAN
Nonstop1h 43m
Frontier
Deal found 4/17![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 April 18, 2026.
Search for one-way flight options from San Diego to Fremont. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:30 pm
SAN
- SFO
1 stop4h 15m
Southwest
Deal found 4/14![Southwest logo]()
$59
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 4/14![Frontier logo]()
$60
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:10 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 4/16![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:10 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 4/16![Frontier logo]()
$63
This Southwest deal was found by Cheapflights users on 4/16. 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.
Wed 6/246:40 am
SAN
- SFO
2 stops7h 35m
Southwest
Deal found 4/16![Southwest logo]()
$64
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:15 am
SAN
- SFO
1 stop4h 35m
Southwest
Deal found 4/13![Southwest logo]()
$69
This eDestinos deal was found by Cheapflights users on 4/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:44 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 4/17![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Wed 5/139:59 pm
SAN
- SFO
1 stop10h 31m
Frontier
Deal found 4/16![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Sat 6/137:35 pm
SAN
- SFO
Nonstop1h 55m
Frontier
Deal found 4/15![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:10 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 4/14![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 4/15. 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 5/87:10 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 4/15![Frontier logo]()
$74
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (Kiwi.com) |
One-way from | $59 (Southwest) |
Popular in | March |
Cheapest in | July |
Average price | $167 |
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 April 18, 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
Wed 5/6
4:25 pm-11:15 pm
2 stops6h 50m
San Francisco
Sat 5/9
12:45 pm-8:10 pm
1 stop7h 25m
$132
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 5/13
6:45 pm-10:23 pm
1 stop3h 38m
San Francisco
Sat 5/16
4:55 pm-11:15 pm
1 stop6h 20m
$157
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 6/10
6:40 am-2:15 pm
2 stops7h 35m
San Francisco
Mon 6/15
4:00 pm-5:40 pm
Nonstop1h 40m
$167
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Sat 5/16
7:15 am-11:50 am
1 stop4h 35m
San Francisco
Tue 5/19
7:20 am-2:10 pm
2 stops6h 50m
$167
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 5/13
6:45 pm-10:23 pm
1 stop3h 38m
San Francisco
Thu 5/21
9:30 am-2:57 pm
1 stop5h 27m
$177
Quickest round-trip
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 5/7
12:50 pm-2:35 pm
Nonstop1h 45m
San Francisco
Mon 5/11
3:40 pm-5:15 pm
Nonstop1h 35m
$177
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Sat 5/16
6:20 am-8:08 am
Nonstop1h 48m
San Francisco
Sat 5/16
4:41 pm-6:33 pm
Nonstop1h 52m
$180
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 5/21
10:13 am-11:53 am
Nonstop1h 40m
San Francisco
Sun 5/31
6:16 am-7:58 am
Nonstop1h 42m
$192
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Sat 5/9
8:35 am-5:25 pm
2 stops8h 50m
San Francisco
Sun 5/10
6:10 am-11:45 am
1 stop5h 35m
$212
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 5/28
10:40 am-5:00 pm
2 stops6h 20m
San Francisco
Mon 6/1
3:00 pm-10:30 pm
2 stops7h 30m
$217
Showing 1-10 of 21 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
How far ahead should I book a flight from San Diego to Fremont?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Fremont. Price data was last updated on April 10, 2026.
The price you pay for your flight from San Diego to Fremont may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 April 18, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 22% on flights from San Diego to Fremont by exploring options for tickets in the afternoon.
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 April 11, 2026.
Travelers seeking maximum savings on their San Diego to Fremont flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 April 18, 2026.
The most flights from SAN to FR8 are scheduled on a Saturday (66 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from San Diego to Fremont?
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 April 18, 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.
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 8 airlines flying from San Diego to Fremont
Discover the top 8 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$28 | Average$134 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$29 | Average$102 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$29 | Average$90 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$60 | Average$180 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$68 | Average$259 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$211 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$81 | Average$201 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$217 | Average$367 | FlexibilityNo cancel fee | On-time71% |