$58+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
May 15 — May 221
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 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 15, 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 15, 2026.
This CheapOair deal was found by Cheapflights users on 4/12. 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 4/298:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Wed 5/63:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/12![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:52 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Wed 5/133:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/13![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Sat 5/163:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/13![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:58 pm
LAX
- SFO
1 stop13h 43m
Frontier
Wed 5/63:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/13![Frontier logo]()
$96
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:30 pm
LAX
- SFO
Nonstop1h 25m
Southwest
Wed 5/2011:25 am
SFO
- LAX
Nonstop1h 30m
Southwest
Deal found 4/13![Southwest logo]()
$97
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia 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 5/912:52 pm
SFO
- LAX
1 stop11h 24m
Frontier
Deal found 4/14![Frontier logo]()
$98
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:00 am
LAX
- SFO
Nonstop1h 30m
Multiple Airlines
Wed 5/278:48 pm
SFO
- LAX
Nonstop1h 38m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Tue 5/123:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/14![Frontier logo]()
$100
This Expedia deal was found by Cheapflights users on 4/11. 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.
Wed 5/136:00 am
LAX
- SFO
Nonstop1h 27m
Multiple Airlines
Sat 5/163:26 pm
SFO
- LAX
Nonstop1h 38m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$101
This Expedia deal was found by Cheapflights users on 4/10. 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.
Sat 5/166:04 pm
LAX
- SFO
Nonstop1h 39m
Multiple Airlines
Tue 5/191:56 pm
SFO
- LAX
Nonstop1h 34m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$102
This CheapOair deal was found by Cheapflights users on 4/10. 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.
Tue 5/56:09 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Tue 5/1212:52 pm
SFO
- LAX
1 stop11h 24m
Frontier
Deal found 4/10![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Wed 5/133:26 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/13![Frontier logo]()
$104
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 15, 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 15, 2026.
This United Airlines deal was found by Cheapflights users on 4/11. 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.
Wed 5/610:15 am
LAX
- SFO
Nonstop1h 33m
United Airlines
Tue 5/1210:28 am
SFO
- LAX
Nonstop1h 37m
United Airlines
Deal found 4/11![United Airlines logo]()
$97
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:55 am
LAX
- SFO
1 stop5h 45m
Southwest
Wed 5/137:20 am
SFO
- LAX
Nonstop1h 35m
Southwest
Deal found 4/13![Southwest logo]()
$107
This Alaska Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:25 am
LAX
- SFO
Nonstop1h 31m
Alaska Airlines
Sat 5/91:45 pm
SFO
- LAX
Nonstop1h 32m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:35 pm
LAX
- SFO
Nonstop1h 21m
Delta
Sun 5/1711:55 am
SFO
- LAX
Nonstop1h 34m
Delta
Deal found 4/13![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:05 pm
LAX
- SFO
Nonstop1h 20m
Southwest
Tue 6/912:10 pm
SFO
- LAX
Nonstop1h 30m
Southwest
Deal found 4/12![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 4/10. 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 5/266:10 pm
LAX
- SFO
1 stop4h 35m
Southwest
Tue 6/21:45 pm
SFO
- LAX
2 stops8h 15m
Southwest
Deal found 4/10![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:30 pm
LAX
- SFO
Nonstop1h 25m
Southwest
Sat 5/305:00 am
SFO
- LAX
2 stops9h 00m
Southwest
Deal found 4/13![Southwest logo]()
$161
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 5/226:00 am
LAX
- SFO
Nonstop1h 35m
United Airlines
Mon 5/2510:37 pm
SFO
- LAX
Nonstop1h 42m
United Airlines
Deal found 4/10![United Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Fri 5/110:27 am
LAX
- SFO
Nonstop1h 33m
United Airlines
Mon 5/116:25 pm
SFO
- LAX
Nonstop1h 43m
United Airlines
Deal found 4/12![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:20 am
LAX
- SFO
1 stop5h 40m
Southwest
Sat 5/1610:00 am
SFO
- LAX
2 stops10h 30m
Southwest
Deal found 4/15![Southwest logo]()
$180
This Southwest deal was found by Cheapflights users on 4/11. 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 4/266:35 am
LAX
- SFO
Nonstop1h 25m
Southwest
Wed 5/65:55 am
SFO
- LAX
2 stops10h 20m
Southwest
Deal found 4/11![Southwest logo]()
$192
This Southwest deal was found by Cheapflights users on 4/10. 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 5/13:35 pm
LAX
- SFO
Nonstop1h 25m
Southwest
Sun 5/36:45 am
SFO
- LAX
Nonstop1h 35m
Southwest
Deal found 4/10![Southwest logo]()
$217
Last-minute flights from Irvine to FremontDiscover last-minute flight deals from Irvine to Fremont. Data last updated April 15, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Fremont. Data last updated April 15, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/12. 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
Sat 5/26:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 4/12![Frontier logo]()
$124
This CheapOair deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 4/276:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 4/13![Frontier logo]()
$138
This deal was found by Cheapflights users on 4/11. 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 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
Sat 5/26:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 4/11![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Tue 5/53:36 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 4/14![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 4/11. 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 4/258:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Sat 5/26:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 4/11![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 4/11. 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 4/258:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Tue 4/286:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 4/11![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 4/10. 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 4/258:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Wed 4/296:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 4/10![Frontier logo]()
$128
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 15, 2026.
Search for one-way flight options from Irvine to Fremont. Find affordable one-way fares based on user searches. Data last updated April 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 4/14![Frontier logo]()
$58
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:35 pm
LAX
- SFO
1 stop7h 10m
Southwest
Deal found 4/13![Southwest logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:30 am
LAX
- SFO
1 stop8h 11m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:22 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 4/14![Frontier logo]()
$62
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:00 am
LAX
- SFO
1 stop10h 40m
Southwest
Deal found 4/13![Southwest logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:05 pm
LAX
- SFO
1 stop18h 25m
Frontier
Deal found 4/12![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:58 pm
LAX
- SFO
1 stop13h 43m
Frontier
Deal found 4/13![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 4/13![Frontier logo]()
$67
This iWofly deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly 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
Deal found 4/14![Frontier logo]()
$69
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:48 am
LAX
- SFO
1 stop8h 09m
Frontier
Deal found 4/13![Frontier logo]()
$71
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $92 (CheapOair) |
One-way from | $58 (Kiwi.com) |
Popular in | February |
Cheapest in | July |
Average price | $202 |
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 15, 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 5/6
10:15 am-11:48 am
Nonstop1h 33m
San Francisco
Tue 5/12
10:28 am-12:05 pm
Nonstop1h 37m
$97
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 5/6
10:55 am-4:40 pm
1 stop5h 45m
San Francisco
Wed 5/13
7:20 am-8:55 am
Nonstop1h 35m
$107
Quickest round-trip
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Mon 6/8
9:05 pm-10:25 pm
Nonstop1h 20m
San Francisco
Tue 6/9
12:10 pm-1:40 pm
Nonstop1h 30m
$137
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 5/26
6:10 pm-10:45 pm
1 stop4h 35m
San Francisco
Tue 6/2
1:45 pm-10:00 pm
2 stops8h 15m
$157
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 5/19
6:30 pm-7:55 pm
Nonstop1h 25m
San Francisco
Sat 5/30
5:00 am-2:00 pm
2 stops9h 00m
$161
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 5/9
8:25 am-9:56 am
Nonstop1h 31m
San Francisco
Sat 5/9
1:45 pm-3:17 pm
Nonstop1h 32m
$172
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 5/6
6:20 am-12:00 pm
1 stop5h 40m
San Francisco
Sat 5/16
10:00 am-8:30 pm
2 stops10h 30m
$180
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sun 4/26
6:35 am-8:00 am
Nonstop1h 25m
San Francisco
Wed 5/6
5:55 am-4:15 pm
2 stops10h 20m
$192
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Thu 5/14
2:35 pm-3:56 pm
Nonstop1h 21m
San Francisco
Sun 5/17
11:55 am-1:29 pm
Nonstop1h 34m
$197
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Fri 5/22
6:00 am-7:35 am
Nonstop1h 35m
San Francisco
Mon 5/25
10:37 pm-12:19 am
Nonstop1h 42m
$217
Showing 1-10 of 24 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
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 April 10, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to Fremont, you should look to book at least 77 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 $32). 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 April 15, 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. 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 April 15, 2026.
The most flights from IR9 to FR8 are scheduled on a Monday (153 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (53 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 15, 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.
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
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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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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$119 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$27 | Average$131 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$50 | Average$181 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$58 | Average$234 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$68 | Average$212 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$79 | Average$220 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$283 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$292 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$107 | Average$384 | FlexibilityNo cancel fee | On-time71% |