$62+ Cheap flights from Fremont, CA to San Diego (SAN)
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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
Jul 19 — Jul 261
Round-trip
1 adult, Economy
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Find cheap flights from Fremont to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Fremont to San Diego are usually found in July or October, booked 77 days in advance, depart on a Saturday or Tuesday and return on a Friday
Cheap flight deals from Fremont to San Diego
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Best
Last-minute
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Cheapest flights from Fremont to San DiegoExplore the most affordable flight options available from Fremont to San Diego. 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 Fremont to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Sat 8/87:45 pm
SAN
- SFO
Nonstop1h 47m
Frontier
Deal found 6/17![Frontier logo]()
$110
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/207:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/18![Frontier logo]()
$112
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.
Thu 7/1610:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Sat 7/187:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/16![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.
Fri 7/1710:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/207:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/17![Frontier logo]()
$114
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.
Sun 7/510:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Tue 7/77:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/16![Frontier logo]()
$115
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.
Mon 7/2010:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Tue 7/213:03 pm
SAN
- SFO
1 stop4h 49m
Frontier
Deal found 6/18![Frontier logo]()
$116
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.
Mon 7/1310:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/208:51 pm
SAN
- SFO
1 stop13h 39m
Frontier
Deal found 6/18![Frontier logo]()
$117
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.
Thu 7/910:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/138:51 pm
SAN
- SFO
1 stop13h 39m
Frontier
Deal found 6/17![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.
Wed 7/158:55 am
SFO
- SAN
Nonstop1h 45m
Southwest
Tue 7/286:40 am
SAN
- SFO
1 stop4h 55m
Southwest
Deal found 6/16![Southwest logo]()
$119
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.
Mon 8/1010:23 pm
SFO
- SAN
Nonstop1h 36m
Frontier
Tue 8/117:45 pm
SAN
- SFO
Nonstop1h 47m
Frontier
Deal found 6/15![Frontier logo]()
$120
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 8/37:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/19![Frontier logo]()
$121
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:55 am
SFO
- SAN
Nonstop1h 40m
Alaska Airlines
Mon 7/209:27 pm
SAN
- SFO
Nonstop1h 41m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$122
Best flights from Fremont to San DiegoDiscover carefully curated flight deals from Fremont to San Diego 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 Fremont to San Diego 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 6/18. 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.
Sat 9/195:00 am
SFO
- SAN
1 stop3h 50m
Southwest
Sat 9/194:15 pm
SAN
- SFO
1 stop4h 20m
Southwest
Deal found 6/18![Southwest logo]()
$137
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:50 pm
SFO
- SAN
1 stop5h 03m
Alaska Airlines
Wed 9/29:30 pm
SAN
- SFO
Nonstop1h 42m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$147
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:00 pm
SFO
- SAN
1 stop4h 47m
Delta
Tue 10/136:15 am
SAN
- SFO
1 stop3h 44m
Delta
Deal found 6/15![Delta logo]()
$197
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 9/178:30 am
SFO
- SAN
Nonstop1h 40m
Southwest
Sat 9/196:55 am
SAN
- SFO
1 stop4h 40m
Southwest
Deal found 6/17![Southwest logo]()
$143
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.
Sat 8/16:00 am
SFO
- SAN
Nonstop1h 35m
Southwest
Mon 8/38:10 pm
SAN
- SFO
Nonstop1h 45m
Southwest
Deal found 6/15![Southwest logo]()
$143
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:35 am
SFO
- SAN
Nonstop1h 46m
Alaska Airlines
Tue 10/135:00 pm
SAN
- SFO
1 stop5h 27m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$208
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.
Thu 9/36:45 am
SFO
- SAN
Nonstop1h 30m
Southwest
Sun 9/63:20 pm
SAN
- SFO
1 stop3h 40m
Southwest
Deal found 6/15![Southwest logo]()
$173
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 7/296:00 am
SFO
- SAN
2 stops6h 15m
Southwest
Wed 8/57:20 am
SAN
- SFO
2 stops7h 20m
Southwest
Deal found 6/14![Southwest logo]()
$173
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.
Thu 7/96:10 pm
SFO
- SAN
Nonstop1h 35m
Southwest
Sun 7/127:15 am
SAN
- SFO
Nonstop1h 35m
Southwest
Deal found 6/14![Southwest logo]()
$178
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 8/2011:30 am
SFO
- SAN
2 stops8h 30m
Southwest
Sun 8/2310:25 pm
SAN
- SFO
1 stop10h 55m
Southwest
Deal found 6/17![Southwest logo]()
$208
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.
Tue 7/1412:10 pm
SFO
- SAN
2 stops6h 10m
Southwest
Tue 7/216:30 am
SAN
- SFO
2 stops7h 45m
Southwest
Deal found 6/15![Southwest logo]()
$209
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.
Mon 7/136:05 am
SFO
- SAN
2 stops8h 10m
Southwest
Mon 7/207:50 pm
SAN
- SFO
1 stop5h 05m
Southwest
Deal found 6/18![Southwest logo]()
$218
Last-minute flights from Fremont to San DiegoDiscover last-minute flight deals from Fremont to San Diego. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Fremont to San Diego. Data last updated June 19, 2026 and is based on user searches.
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 7/310:27 pm
SFO
- SAN
Nonstop1h 48m
Frontier
Thu 7/97:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/15![Frontier logo]()
$123
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.
Sun 7/510:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Tue 7/77:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/16![Frontier logo]()
$115
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:23 pm
SFO
- SAN
Nonstop1h 41m
Multiple Airlines
Wed 7/89:27 pm
SAN
- SFO
Nonstop1h 41m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$121
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.
Thu 7/910:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/138:51 pm
SAN
- SFO
1 stop13h 39m
Frontier
Deal found 6/17![Frontier logo]()
$118
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.
Mon 7/1310:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/208:51 pm
SAN
- SFO
1 stop13h 39m
Frontier
Deal found 6/18![Frontier logo]()
$117
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 7/155:00 am
SFO
- SAN
1 stop5h 50m
Southwest
Thu 7/168:10 pm
SAN
- SFO
Nonstop1h 45m
Southwest
Deal found 6/15![Southwest logo]()
$119
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.
Wed 7/152:55 pm
SFO
- SAN
Nonstop1h 45m
Southwest
Wed 7/222:40 pm
SAN
- SFO
2 stops7h 35m
Southwest
Deal found 6/16![Southwest logo]()
$124
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.
Thu 7/1610:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Sat 7/187:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/16![Frontier logo]()
$113
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:55 am
SFO
- SAN
Nonstop1h 40m
Alaska Airlines
Mon 7/209:27 pm
SAN
- SFO
Nonstop1h 41m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$122
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.
Fri 7/1710:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/207:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/17![Frontier logo]()
$114
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Mon 7/207:46 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 6/18![Frontier logo]()
$112
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.
Mon 7/2010:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Tue 7/213:03 pm
SAN
- SFO
1 stop4h 49m
Frontier
Deal found 6/18![Frontier logo]()
$116
One-way flights from Fremont to San DiegoSearch for one-way flight options from Fremont to San Diego. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
Search for one-way flight options from Fremont to San Diego. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
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.
Fri 7/1010:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/16![Frontier logo]()
$62
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 7/3110:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/19![Frontier logo]()
$64
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.
Tue 7/143:35 pm
SFO
- SAN
1 stop4h 45m
Southwest
Deal found 6/15![Southwest logo]()
$65
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.
Sun 7/510:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/17![Frontier logo]()
$66
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 9/175:52 pm
SFO
- SAN
Nonstop1h 45m
Frontier
Deal found 6/18![Frontier logo]()
$67
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.
Fri 8/2810:06 pm
SFO
- SAN
Nonstop1h 43m
Frontier
Deal found 6/15![Frontier logo]()
$68
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:30 am
SFO
- SAN
Nonstop1h 43m
United Airlines
Deal found 6/18![United Airlines logo]()
$69
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.
Sun 7/1210:23 pm
SFO
- SAN
Nonstop1h 41m
Frontier
Deal found 6/18![Frontier logo]()
$73
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.
Sat 7/256:10 am
SFO
- SAN
1 stop8h 35m
Southwest
Deal found 6/18![Southwest logo]()
$74
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:55 am
SFO
- SAN
Nonstop1h 40m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$77
Find flight deals from Fremont to San Diego
Keep the following information in mind while searching for Fremont to San Diego flight deals. Data was last updated June 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $110 (Mytrip) |
One-way from | $62 (Kiwi.com) |
Popular in | March |
Cheapest in | July |
Average price | $212 |
Cheapflights Fare Finder
Customize your flight search to find flights from Fremont to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 19, 2026.
Use the filters below to find and compare flights from Fremont to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Sat 9/19
5:00 am-8:50 am
1 stop3h 50m
San Diego
Sat 9/19
4:15 pm-8:35 pm
1 stop4h 20m
$137
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Thu 9/17
8:30 am-10:10 am
Nonstop1h 40m
San Diego
Sat 9/19
6:55 am-11:35 am
1 stop4h 40m
$143
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Sat 8/1
6:00 am-7:35 am
Nonstop1h 35m
San Diego
Mon 8/3
8:10 pm-9:55 pm
Nonstop1h 45m
$143
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Wed 9/2
1:50 pm-6:53 pm
1 stop5h 03m
San Diego
Wed 9/2
9:30 pm-11:12 pm
Nonstop1h 42m
$147
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Thu 9/3
6:45 am-8:15 am
Nonstop1h 30m
San Diego
Sun 9/6
3:20 pm-7:00 pm
1 stop3h 40m
$173
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Wed 7/29
6:00 am-12:15 pm
2 stops6h 15m
San Diego
Wed 8/5
7:20 am-2:40 pm
2 stops7h 20m
$173
Quickest round-trip
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Thu 7/9
6:10 pm-7:45 pm
Nonstop1h 35m
San Diego
Sun 7/12
7:15 am-8:50 am
Nonstop1h 35m
$178
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Fri 10/9
7:00 pm-11:47 pm
1 stop4h 47m
San Diego
Tue 10/13
6:15 am-9:59 am
1 stop3h 44m
$197
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Fri 10/9
10:35 am-12:21 pm
Nonstop1h 46m
San Diego
Tue 10/13
5:00 pm-10:27 pm
1 stop5h 27m
$208
San FranciscoSan Diego
SFO - SAN
SFOSAN
San Francisco
Thu 8/20
11:30 am-8:00 pm
2 stops8h 30m
San Diego
Sun 8/23
10:25 pm-9:20 am
1 stop10h 55m
$208
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Fremont to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Fremont with our price prediction graph.
SFO-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Fremont to San Diego
FR8-SAN
SFO-SAN
What is the cheapest time of day to fly from FR8 to SAN?
Find hourly flight availability from Fremont to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 19, 2026.
One of the essential ways to save on airfare from Fremont to San Diego is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 17% on airfare.
Weekly flight availability from Fremont to San Diego
Explore weekly flight availability from Fremont to San Diego. 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 FR8 to SAN are scheduled on a Thursday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (47 on average).
How much does it cost to fly round-trip from Fremont to San Diego?
What is the cheapest day to fly from Fremont to San Diego?
Use this chart to determine the cheapest time to fly round-trip from Fremont to San Diego. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Fremont to San Diego flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated June 19, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andHawaiian Airlines from Fremont to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Fremont to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Fremont to San Diego
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Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Fremont to San Diego by cabin class
Find flights from Fremont to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Fremont and San Diego flights
Browse other Fremont and San Diego flight options. Last updated on June 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 19, 2026.
Fremont to San Diego flights
Consider these flights traveling from Fremont to San Diego.
Top 8 airlines flying from Fremont to San Diego
Discover the top 8 airlines that operate flights from Fremont to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$36 | Average$132 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$53 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$56 | Average$198 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$77 | Average$241 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$77 | Average$189 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$78 | Average$166 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$220 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$386 | FlexibilityNo cancel fee | On-time71% |