$52+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
Apr 25 — May 21
Round-trip
1 adult, Economy
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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 September, booked 85 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 March 26, 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 March 26, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Wed 5/208:48 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 3/26![Frontier logo]()
$90
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/206:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$91
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/276:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/21![Frontier logo]()
$92
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Thu 4/236:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$93
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/206:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$94
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.
Tue 4/218:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Wed 4/227:40 pm
SFO
- LAX
1 stop12h 38m
Frontier
Deal found 3/25![Frontier logo]()
$95
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.
Tue 4/218:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/276:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/22![Frontier logo]()
$96
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:01 pm
LAX
- SFO
Nonstop1h 38m
Multiple Airlines
Tue 4/288:00 am
SFO
- LAX
Nonstop1h 37m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$97
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:17 pm
LAX
- SFO
1 stop7h 08m
Frontier
Wed 4/296:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$98
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Tue 5/1210:40 pm
SFO
- LAX
1 stop10h 23m
Frontier
Deal found 3/25![Frontier logo]()
$99
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:17 pm
LAX
- SFO
1 stop7h 08m
Frontier
Sat 4/256:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$100
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 March 26, 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 March 26, 2026.
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.
Wed 4/226:20 am
LAX
- SFO
Nonstop1h 25m
Southwest
Tue 4/285:40 am
SFO
- LAX
2 stops8h 00m
Southwest
Deal found 3/21![Southwest logo]()
$132
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.
Sat 4/2512:05 pm
LAX
- SFO
Nonstop1h 22m
Delta
Mon 4/271:10 pm
SFO
- LAX
Nonstop1h 30m
Delta
Deal found 3/25![Delta logo]()
$162
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.
Tue 5/56:10 pm
LAX
- SFO
1 stop4h 35m
Southwest
Wed 5/65:55 am
SFO
- LAX
2 stops10h 20m
Southwest
Deal found 3/25![Southwest logo]()
$154
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.
Wed 4/156:20 am
LAX
- SFO
Nonstop1h 25m
Southwest
Wed 4/1510:30 am
SFO
- LAX
1 stop5h 45m
Southwest
Deal found 3/21![Southwest logo]()
$167
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.
Sat 5/23:30 pm
LAX
- SFO
Nonstop1h 21m
Delta
Sun 5/36:00 am
SFO
- LAX
Nonstop1h 27m
Delta
Deal found 3/25![Delta logo]()
$185
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:20 pm
LAX
- SFO
2 stops8h 25m
Southwest
Sat 6/65:00 am
SFO
- LAX
2 stops10h 45m
Southwest
Deal found 3/22![Southwest logo]()
$178
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.
Sat 4/185:20 am
LAX
- SFO
2 stops6h 30m
Southwest
Mon 4/206:20 am
SFO
- LAX
Nonstop1h 35m
Southwest
Deal found 3/23![Southwest logo]()
$179
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.
Sat 4/255:20 am
LAX
- SFO
2 stops6h 30m
Southwest
Mon 4/275:40 pm
SFO
- LAX
1 stop5h 40m
Southwest
Deal found 3/23![Southwest logo]()
$187
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.
Tue 4/142:20 pm
LAX
- SFO
2 stops8h 25m
Southwest
Wed 4/155:40 am
SFO
- LAX
2 stops6h 30m
Southwest
Deal found 3/21![Southwest logo]()
$187
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.
Thu 5/73:35 pm
LAX
- SFO
Nonstop1h 25m
Southwest
Thu 5/146:20 am
SFO
- LAX
Nonstop1h 35m
Southwest
Deal found 3/23![Southwest logo]()
$194
Last-minute flights from Irvine to FremontDiscover last-minute flight deals from Irvine to Fremont. Data last updated March 26, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Fremont. Data last updated March 26, 2026 and is based on user searches.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/206:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/21![Frontier logo]()
$89
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/206:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$94
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/206:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$91
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.
Tue 4/218:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Wed 4/227:40 pm
SFO
- LAX
1 stop12h 38m
Frontier
Deal found 3/25![Frontier logo]()
$95
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.
Tue 4/218:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/276:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/22![Frontier logo]()
$96
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:01 pm
LAX
- SFO
Nonstop1h 38m
Multiple Airlines
Tue 4/288:00 am
SFO
- LAX
Nonstop1h 37m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$97
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Tue 4/288:40 am
SFO
- LAX
1 stop6h 40m
Frontier
Deal found 3/24![Frontier logo]()
$99
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Thu 4/236:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$93
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:17 pm
LAX
- SFO
1 stop7h 08m
Frontier
Wed 4/296:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/25![Frontier logo]()
$98
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Mon 4/276:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/21![Frontier logo]()
$92
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 March 26, 2026.
Search for one-way flight options from Irvine to Fremont. Find affordable one-way fares based on user searches. Data last updated March 26, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Deal found 3/25![Frontier logo]()
$52
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.
Sat 5/307:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Deal found 3/23![Frontier logo]()
$53
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:34 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Deal found 3/21![Frontier logo]()
$54
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/24![Frontier logo]()
$55
This Jetabroad 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Deal found 3/25![Frontier logo]()
$56
This Jetabroad 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:22 pm
LAX
- SFO
Nonstop1h 42m
Frontier
Deal found 3/24![Frontier logo]()
$57
This iWofly 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:22 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/23![Frontier logo]()
$58
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:22 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/25![Frontier logo]()
$59
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/24![Frontier logo]()
$60
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.
Wed 4/223:49 pm
LAX
- SFO
1 stop26h 02m
Frontier
Deal found 3/25![Frontier logo]()
$61
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/21![Frontier logo]()
$62
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/24![Frontier logo]()
$63
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 March 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $90 (Frontier) |
One-way from | $52 (Frontier) |
Popular in | February |
Cheapest in | July |
Average price | $178 |
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 March 26, 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
Wed 4/22
6:20 am-7:45 am
Nonstop1h 25m
San Francisco
Tue 4/28
5:40 am-1:40 pm
2 stops8h 00m
$132
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 5/5
6:10 pm-10:45 pm
1 stop4h 35m
San Francisco
Wed 5/6
5:55 am-4:15 pm
2 stops10h 20m
$154
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 4/25
12:05 pm-1:27 pm
Nonstop1h 22m
San Francisco
Mon 4/27
1:10 pm-2:40 pm
Nonstop1h 30m
$162
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 4/15
6:20 am-7:45 am
Nonstop1h 25m
San Francisco
Wed 4/15
10:30 am-4:15 pm
1 stop5h 45m
$167
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 6/3
2:20 pm-10:45 pm
2 stops8h 25m
San Francisco
Sat 6/6
5:00 am-3:45 pm
2 stops10h 45m
$178
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 4/18
5:20 am-11:50 am
2 stops6h 30m
San Francisco
Mon 4/20
6:20 am-7:55 am
Nonstop1h 35m
$179
Quickest round-trip
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 5/2
3:30 pm-4:51 pm
Nonstop1h 21m
San Francisco
Sun 5/3
6:00 am-7:27 am
Nonstop1h 27m
$185
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 4/25
5:20 am-11:50 am
2 stops6h 30m
San Francisco
Mon 4/27
5:40 pm-11:20 pm
1 stop5h 40m
$187
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 4/14
2:20 pm-10:45 pm
2 stops8h 25m
San Francisco
Wed 4/15
5:40 am-12:10 pm
2 stops6h 30m
$187
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Thu 5/7
3:35 pm-5:00 pm
Nonstop1h 25m
San Francisco
Thu 5/14
6:20 am-7:55 am
Nonstop1h 35m
$194
Showing 1-10 of 21 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.
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Everything you need to know about your flight from Irvine to Fremont
IR9-FR8
LAX-SFO
How far ahead should I book a flight from Irvine to Fremont?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Fremont. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to Fremont, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Irvine to Fremont?
Currently, May is the cheapest month in which you can book a flight from Irvine to Fremont (average of $33). Flying from Irvine to Fremont in February is currently the most expensive (average of $62). 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 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 March 26, 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 evenings when fares are most often at their lowest. Monday mornings 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 March 26, 2026.
The most flights from IR9 to FR8 are scheduled on a Wednesday (143 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 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 March 26, 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.
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
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.
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Alternative routes for Irvine to Fremont
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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
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Irvine and Fremont flights
Browse other Irvine and Fremont flight options. Last updated on March 26, 2026.
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Irvine to Fremont flights
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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 March 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$115 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$27 | Average$124 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$48 | Average$178 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$58 | Average$228 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$68 | Average$209 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$79 | Average$212 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$285 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$107 | Average$383 | FlexibilityNo cancel fee | On-time71% |