$61+ Cheap flights from Irvine, CA 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
May 30 — Jun 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Irvine 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 Irvine to Fremont are usually found in July or October, booked 77 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Irvine to Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to FremontExplore the most affordable flight options available from Irvine to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
Explore the most affordable flight options available from Irvine to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
This Frontier deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Sat 7/188:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Deal found 4/25![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 5/46:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 4/27![Frontier logo]()
$98
This Mytrip deal was found by Cheapflights users on 4/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:04 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Wed 5/133:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/26![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 4/30. 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 7/257:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Thu 7/308:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Deal found 4/30![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 4/29. 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 5/287:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Thu 6/43:21 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/29![Frontier logo]()
$101
This Frontier deal was found by Cheapflights users on 4/30. 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 5/237:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Sat 5/308:48 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/30![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:42 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Mon 5/187:26 pm
SFO
- LAX
Nonstop1h 46m
Frontier
Deal found 4/25![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:04 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Tue 5/193:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/27![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 4/27. 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 5/28:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Tue 5/53:36 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/27![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:22 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Sun 8/308:30 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/29![Frontier logo]()
$108
Best flights from Irvine to FremontDiscover carefully curated flight deals from Irvine to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from Irvine to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/192:35 pm
LAX
- SFO
Nonstop1h 21m
Delta
Fri 5/294:55 pm
SFO
- LAX
Nonstop1h 36m
Delta
Deal found 4/28![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 5/298:00 am
LAX
- SFO
Nonstop1h 30m
Alaska Airlines
Fri 5/2910:57 am
SFO
- LAX
Nonstop1h 34m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 4/27. 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 5/2710:45 am
LAX
- SFO
1 stop8h 20m
Southwest
Wed 6/31:45 pm
SFO
- LAX
2 stops8h 15m
Southwest
Deal found 4/27![Southwest logo]()
$206
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 6/138:40 pm
LAX
- SFO
Nonstop1h 25m
Delta
Mon 6/156:50 pm
SFO
- LAX
Nonstop1h 31m
Delta
Deal found 4/25![Delta logo]()
$206
This Southwest deal was found by Cheapflights users on 4/28. 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 5/156:00 am
LAX
- SFO
Nonstop1h 30m
Southwest
Mon 5/256:20 am
SFO
- LAX
Nonstop1h 35m
Southwest
Deal found 4/28![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 4/29. 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.
Sun 5/176:35 am
LAX
- SFO
Nonstop1h 25m
Southwest
Tue 5/197:20 am
SFO
- LAX
Nonstop1h 35m
Southwest
Deal found 4/29![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 4/29. 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 7/109:05 pm
LAX
- SFO
Nonstop1h 20m
Southwest
Sun 7/126:25 am
SFO
- LAX
Nonstop1h 30m
Southwest
Deal found 4/29![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 4/29. 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 5/165:35 am
LAX
- SFO
1 stop6h 15m
Southwest
Sun 5/176:45 am
SFO
- LAX
Nonstop1h 35m
Southwest
Deal found 4/29![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 4/29. 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 6/208:10 pm
LAX
- SFO
Nonstop1h 25m
Southwest
Sat 7/45:00 am
SFO
- LAX
2 stops10h 15m
Southwest
Deal found 4/29![Southwest logo]()
$220
This Southwest deal was found by Cheapflights users on 4/29. 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 7/35:20 am
LAX
- SFO
1 stop3h 50m
Southwest
Sun 7/59:30 pm
SFO
- LAX
Nonstop1h 45m
Southwest
Deal found 4/29![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 4/28. 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 5/285:30 pm
LAX
- SFO
1 stop6h 40m
Southwest
Thu 6/45:00 am
SFO
- LAX
2 stops7h 45m
Southwest
Deal found 4/28![Southwest logo]()
$238
This Southwest deal was found by Cheapflights users on 4/28. 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 7/45:35 am
LAX
- SFO
1 stop3h 35m
Southwest
Mon 7/63:45 pm
SFO
- LAX
2 stops8h 20m
Southwest
Deal found 4/28![Southwest logo]()
$241
Last-minute flights from Irvine to FremontDiscover last-minute flight deals from Irvine to Fremont. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Fremont. Data last updated April 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:09 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Wed 5/133:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/27![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/56:09 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Tue 6/210:45 pm
SFO
- LAX
1 stop10h 18m
Frontier
Deal found 4/28![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:09 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Sat 5/93:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/28![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:09 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Tue 5/123:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/28![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:09 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Wed 5/63:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/25![Frontier logo]()
$128
This Mytrip deal was found by Cheapflights users on 4/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:04 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Wed 5/133:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/26![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:04 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Sat 5/163:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/27![Frontier logo]()
$105
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:42 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Tue 5/123:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/25![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 4/28. 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 5/96:04 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Tue 5/193:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/28![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:48 am
LAX
- SFO
1 stop8h 14m
Frontier
Tue 5/123:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/25![Frontier logo]()
$118
One-way flights from Irvine to FremontSearch for one-way flight options from Irvine to Fremont. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from Irvine to Fremont. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 7/257:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 4/28![Frontier logo]()
$61
This Frontier deal was found by Cheapflights users on 4/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Deal found 4/26![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:04 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Deal found 4/30![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/212:02 pm
LAX
- SFO
1 stop22h 28m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$65
This Super.com deal was found by Cheapflights users on 4/27. 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 5/184:52 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Deal found 4/27![Frontier logo]()
$66
This SmartFares deal was found by Cheapflights users on 4/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:03 am
LAX
- SFO
Nonstop1h 24m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$67
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:01 am
LAX
- SFO
Nonstop1h 36m
American Airlines
Deal found 4/30![American Airlines logo]()
$68
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/195:59 pm
LAX
- SFO
Nonstop1h 21m
Delta
Deal found 4/28![Delta logo]()
$69
This Frontier deal was found by Cheapflights users on 4/30. 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 5/249:48 am
LAX
- SFO
1 stop8h 09m
Frontier
Deal found 4/30![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:02 pm
LAX
- SFO
1 stop28h 39m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$72
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:45 pm
LAX
- SFO
Nonstop1h 35m
American Airlines
Deal found 4/27![American Airlines logo]()
$73
Find flight deals from Irvine to Fremont
Keep the following information in mind while searching for Irvine to Fremont flight deals. Data was last updated April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $97 (Frontier) |
One-way from | $61 (Kiwi.com) |
Popular in | February |
Cheapest in | July |
Average price | $217 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine 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 30, 2026.
Use the filters below to find and compare flights from Irvine to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Tue 5/19
2:35 pm-3:56 pm
Nonstop1h 21m
San Francisco
Fri 5/29
4:55 pm-6:31 pm
Nonstop1h 36m
$157
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Fri 5/29
8:00 am-9:30 am
Nonstop1h 30m
San Francisco
Fri 5/29
10:57 am-12:31 pm
Nonstop1h 34m
$172
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Wed 5/27
10:45 am-7:05 pm
1 stop8h 20m
San Francisco
Wed 6/3
1:45 pm-10:00 pm
2 stops8h 15m
$206
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Sat 6/13
8:40 pm-10:05 pm
Nonstop1h 25m
San Francisco
Mon 6/15
6:50 pm-8:21 pm
Nonstop1h 31m
$206
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Fri 5/15
6:00 am-7:30 am
Nonstop1h 30m
San Francisco
Mon 5/25
6:20 am-7:55 am
Nonstop1h 35m
$207
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Sun 5/17
6:35 am-8:00 am
Nonstop1h 25m
San Francisco
Tue 5/19
7:20 am-8:55 am
Nonstop1h 35m
$207
Quickest round-trip
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Fri 7/10
9:05 pm-10:25 pm
Nonstop1h 20m
San Francisco
Sun 7/12
6:25 am-7:55 am
Nonstop1h 30m
$217
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Sat 5/16
5:35 am-11:50 am
1 stop6h 15m
San Francisco
Sun 5/17
6:45 am-8:20 am
Nonstop1h 35m
$217
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Sat 6/20
8:10 pm-9:35 pm
Nonstop1h 25m
San Francisco
Sat 7/4
5:00 am-3:15 pm
2 stops10h 15m
$220
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles Los Angeles
Fri 7/3
5:20 am-9:10 am
1 stop3h 50m
San Francisco
Sun 7/5
9:30 pm-11:15 pm
Nonstop1h 45m
$227
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Irvine to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont from Irvine with our price prediction graph.
LAX-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 Irvine to Fremont
IR9-FR8
LAX-SFO
What is the cheapest time of day to fly from IR9 to FR8?
Find hourly flight availability from Irvine 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 30, 2026.
It’s typically best to fly out from Irvine to Fremont in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Irvine to Fremont?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Fremont. Price data was last updated on October 12, 2025.
Travelers seeking maximum savings on their Irvine to Fremont flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Irvine to Fremont
Explore weekly flight availability from Irvine 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 30, 2026.
The most flights from IR9 to FR8 are scheduled on a Thursday (150 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).
How much does it cost to fly round-trip from Irvine 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 30, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Irvine to Fremont by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.1
Comfort
7.8
Crew
8.5
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 Irvine to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Irvine to Fremont
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Fremont by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to Fremont by cabin class
Find flights from Irvine to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and Fremont flights
Browse other Irvine and Fremont flight options. Last updated on April 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Fremont
Find the right flight back to Irvine after your stay in Fremont
Irvine to Fremont flights
Consider these flights traveling from Irvine to Fremont.
Top 9 airlines flying from Irvine to Fremont
Discover the top 9 airlines that operate flights from Irvine 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$121 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$27 | Average$137 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$48 | Average$183 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$58 | Average$234 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$68 | Average$211 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$79 | Average$224 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$102 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$296 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$107 | Average$390 | FlexibilityNo cancel fee | On-time71% |