$54+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
apr. 25 — mei. 21
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 May or July, booked 90 days in advance, depart on a Friday or Thursday and return on a Tuesday
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 maart 26, 2026.
Explore the most affordable flight options available from San Diego to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maart 26, 2026.
This Frontier deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/239:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
zo 4/266:00 am
SFO
- SAN
1 stop17h 59m
Frontier
Deal found 3/21![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/77:18 pm
SAN
- SFO
Nonstop2h 01m
Frontier
wo 5/139:26 pm
SFO
- SAN
Nonstop1h 46m
Frontier
Deal found 3/23![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 5/611:05 am
SAN
- SFO
Nonstop1h 43m
Multiple Airlines
wo 5/139:26 pm
SFO
- SAN
Nonstop1h 46m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$107
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/214:25 pm
SAN
- SFO
1 stop6h 20m
Southwest
di 4/287:20 am
SFO
- SAN
2 stops7h 00m
Southwest
Deal found 3/25![Southwest logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/239:12 pm
SAN
- SFO
Nonstop1h 49m
Alaska Airlines
ma 4/277:15 am
SFO
- SAN
Nonstop1h 40m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$109
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/239:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
ma 4/279:20 pm
SFO
- SAN
1 stop15h 57m
Frontier
Deal found 3/22![Frontier logo]()
$110
This Southwest deal was found by Cheapflights users on 3/26. 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.
vr 4/248:45 pm
SAN
- SFO
Nonstop1h 40m
Southwest
za 4/2511:05 am
SFO
- SAN
1 stop5h 05m
Southwest
Deal found 3/26![Southwest logo]()
$111
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/19:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
ma 5/49:58 am
SFO
- SAN
Nonstop1h 42m
Frontier
Deal found 3/23![Frontier logo]()
$112
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/2112:45 pm
SAN
- SFO
2 stops7h 10m
Southwest
za 4/2510:10 am
SFO
- SAN
2 stops7h 40m
Southwest
Deal found 3/25![Southwest logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/169:19 am
SAN
- SFO
Nonstop1h 52m
Multiple Airlines
di 4/2111:42 am
SFO
- SAN
Nonstop1h 45m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$114
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 5/46:20 am
SAN
- SFO
Nonstop1h 50m
Southwest
wo 5/67:20 am
SFO
- SAN
2 stops7h 00m
Southwest
Deal found 3/25![Southwest logo]()
$115
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 maart 26, 2026.
Discover carefully curated flight deals from San Diego to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated maart 26, 2026.
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/214:25 pm
SAN
- SFO
1 stop6h 20m
Southwest
wo 4/227:40 am
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 3/23![Southwest logo]()
$127
This United Airlines deal was found by Cheapflights users on 3/26. 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.
di 4/211:20 pm
SAN
- SFO
Nonstop1h 46m
United Airlines
di 4/2110:40 pm
SFO
- SAN
Nonstop1h 49m
United Airlines
Deal found 3/26![United Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/276:20 am
SAN
- SFO
1 stop3h 30m
Delta
di 4/284:17 pm
SFO
- SAN
1 stop6h 19m
Delta
Deal found 3/25![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 9/116:15 am
SAN
- SFO
Nonstop1h 47m
Alaska Airlines
zo 9/139:59 pm
SFO
- SAN
Nonstop1h 44m
Alaska Airlines
Deal found 3/21![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/28:50 am
SAN
- SFO
2 stops8h 25m
Southwest
ma 5/43:00 pm
SFO
- SAN
2 stops7h 30m
Southwest
Deal found 3/23![Southwest logo]()
$130
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/188:35 am
SAN
- SFO
2 stops8h 50m
Southwest
za 4/2510:10 am
SFO
- SAN
1 stop6h 15m
Southwest
Deal found 3/21![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 4/224:25 pm
SAN
- SFO
1 stop6h 20m
Southwest
wo 4/297:20 am
SFO
- SAN
2 stops6h 50m
Southwest
Deal found 3/23![Southwest logo]()
$142
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/186:36 am
SAN
- SFO
Nonstop1h 48m
United Airlines
za 4/184:10 pm
SFO
- SAN
1 stop4h 02m
United Airlines
Deal found 3/24![United Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/165:01 pm
SAN
- SFO
1 stop5h 26m
Delta
za 5/304:55 pm
SFO
- SAN
1 stop6h 20m
Delta
Deal found 3/21![Delta logo]()
$192
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/710:59 am
SAN
- SFO
1 stop4h 57m
Delta
do 5/142:43 pm
SFO
- SAN
1 stop3h 20m
Delta
Deal found 3/22![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 5/191:30 pm
SAN
- SFO
1 stop8h 00m
Delta
do 5/2111:55 am
SFO
- SAN
1 stop6h 08m
Delta
Deal found 3/21![Delta logo]()
$221
Last-minute flights from San Diego to FremontDiscover last-minute flight deals from San Diego to Fremont. Data last updated maart 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Fremont. Data last updated maart 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/1411:00 am
SAN
- SFO
Nonstop1h 46m
United Airlines
di 4/211:50 pm
SFO
- SAN
Nonstop1h 49m
United Airlines
Deal found 3/23![United Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/169:19 am
SAN
- SFO
Nonstop1h 52m
Multiple Airlines
di 4/2111:42 am
SFO
- SAN
Nonstop1h 45m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/209:19 am
SAN
- SFO
Nonstop1h 52m
Multiple Airlines
wo 4/227:15 am
SFO
- SAN
Nonstop1h 40m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$112
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/214:25 pm
SAN
- SFO
1 stop6h 20m
Southwest
di 4/287:20 am
SFO
- SAN
2 stops7h 00m
Southwest
Deal found 3/25![Southwest logo]()
$108
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/2112:45 pm
SAN
- SFO
2 stops7h 10m
Southwest
za 4/2510:10 am
SFO
- SAN
2 stops7h 40m
Southwest
Deal found 3/25![Southwest logo]()
$113
This Frontier deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/239:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
zo 4/266:00 am
SFO
- SAN
1 stop17h 59m
Frontier
Deal found 3/21![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/239:12 pm
SAN
- SFO
Nonstop1h 49m
Alaska Airlines
ma 4/277:15 am
SFO
- SAN
Nonstop1h 40m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$109
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/239:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
ma 4/279:20 pm
SFO
- SAN
1 stop15h 57m
Frontier
Deal found 3/22![Frontier logo]()
$110
This Southwest deal was found by Cheapflights users on 3/26. 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.
vr 4/248:45 pm
SAN
- SFO
Nonstop1h 40m
Southwest
za 4/2511:05 am
SFO
- SAN
1 stop5h 05m
Southwest
Deal found 3/26![Southwest logo]()
$111
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/306:45 am
SAN
- SFO
2 stops5h 50m
Southwest
za 5/26:00 am
SFO
- SAN
Nonstop1h 35m
Southwest
Deal found 3/23![Southwest logo]()
$115
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 maart 26, 2026.
Search for one-way flight options from San Diego to Fremont. Find affordable one-way fares based on user searches. Data last updated maart 26, 2026.
This Booking.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/157:18 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 3/24![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 5/49:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 3/22![Frontier logo]()
$55
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/87:18 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 3/23![Frontier logo]()
$56
This Southwest deal was found by Cheapflights users on 3/26. 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.
za 5/98:35 am
SAN
- SFO
2 stops8h 40m
Southwest
Deal found 3/26![Southwest logo]()
$57
This iWofly deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/279:19 am
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 3/24![Frontier logo]()
$58
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/1411:00 am
SAN
- SFO
Nonstop1h 46m
United Airlines
Deal found 3/22![United Airlines logo]()
$59
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 5/56:44 pm
SAN
- SFO
Nonstop1h 52m
Frontier
Deal found 3/24![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 6/27:18 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 3/22![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/217:18 pm
SAN
- SFO
Nonstop2h 01m
Frontier
Deal found 3/23![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 6/207:31 pm
SAN
- SFO
Nonstop1h 50m
Frontier
Deal found 3/23![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 6/11:38 pm
SAN
- SFO
1 stop26h 52m
Frontier
Deal found 3/24![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 6/177:31 pm
SAN
- SFO
Nonstop1h 50m
Frontier
Deal found 3/23![Frontier logo]()
$66
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 maart 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $104 (Booking.com) |
One-way from | $54 (Booking.com) |
Popular in | February |
Cheapest in | May |
Average price | $177 |
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 maart 26, 2026.
Use the filters below to find and compare flights from San Diego to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
di 4/21
4:25 pm-10:45 pm
1 stop6h 20m
San Francisco
wo 4/22
7:40 am-9:15 am
Nonstop1h 35m
$127
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
za 5/2
8:50 am-5:15 pm
2 stops8h 25m
San Francisco
ma 5/4
3:00 pm-10:30 pm
2 stops7h 30m
$130
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
za 4/18
8:35 am-5:25 pm
2 stops8h 50m
San Francisco
za 4/25
10:10 am-4:25 pm
1 stop6h 15m
$142
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
wo 4/22
4:25 pm-10:45 pm
1 stop6h 20m
San Francisco
wo 4/29
7:20 am-2:10 pm
2 stops6h 50m
$142
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
di 4/21
1:20 pm-3:06 pm
Nonstop1h 46m
San Francisco
di 4/21
10:40 pm-12:29 am
Nonstop1h 49m
$151
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
ma 4/27
6:20 am-9:50 am
1 stop3h 30m
San Francisco
di 4/28
4:17 pm-10:36 pm
1 stop6h 19m
$157
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
za 4/18
6:36 am-8:24 am
Nonstop1h 48m
San Francisco
za 4/18
4:10 pm-8:12 pm
1 stop4h 02m
$191
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
za 5/16
5:01 pm-10:27 pm
1 stop5h 26m
San Francisco
za 5/30
4:55 pm-11:15 pm
1 stop6h 20m
$192
Quickest round-trip
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
vr 9/11
6:15 am-8:02 am
Nonstop1h 47m
San Francisco
zo 9/13
9:59 pm-11:43 pm
Nonstop1h 44m
$207
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
do 5/7
10:59 am-3:56 pm
1 stop4h 57m
San Francisco
do 5/14
2:43 pm-6:03 pm
1 stop3h 20m
$212
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 March 13, 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 month to book a flight from San Diego to Fremont?
Currently, May is the cheapest month in which you can book a flight from San Diego to Fremont (average of $33). Flying from San Diego to Fremont in February is currently the most expensive (average of $107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 maart 26, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 23% 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 March 23, 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 afternoons 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 maart 26, 2026.
The most flights from SAN to FR8 are scheduled on a Thursday (69 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 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 maart 26, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andHawaiian Airlines from San Diego to Fremont to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
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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Alternative routes for San Diego to Fremont
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Complete your trip
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San Diego and Fremont flights
Browse other San Diego and Fremont flight options. Last updated on maart 26, 2026.
Other flights from San Diego
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Top 9 airlines flying from San Diego to Fremont
Discover the top 9 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 maart 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$22 | Average$96 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$28 | Average$136 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$29 | Average$89 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$57 | Average$175 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$68 | Average$274 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$205 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$78 | Average$197 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$88 | Average$156 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$197 | Average$366 | FlexibilityNo cancel fee | On-time71% |