$56+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
Oct 2 — Oct 91
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 October 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 September 2, 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 September 2, 2026.
This Booking.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:30 am -
1 stop6h 54m
Tue 10/137:25 pm -
Nonstop1h 36m
Deal found 9/1![Frontier logo]()
$79
This CheapOair deal was found by Cheapflights users on 9/1. 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 9/298:44 am -
Nonstop1h 38m
Mon 10/512:07 pm -
Nonstop1h 36m
Deal found 9/1![Frontier logo]()
$80
This FlightHub deal was found by Cheapflights users on 9/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:44 am -
Nonstop1h 38m
Thu 9/242:28 pm -
1 stop4h 16m
Deal found 9/1![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:44 am -
Nonstop1h 38m
Mon 9/288:57 pm -
Nonstop1h 32m
Deal found 8/31![Multiple Airlines logo]()
$82
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:44 am -
Nonstop1h 38m
Sat 10/106:00 am -
1 stop28h 45m
Deal found 8/28![Frontier logo]()
$83
This Booking.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:19 am -
1 stop7h 06m
Mon 10/127:25 pm -
Nonstop1h 36m
Deal found 9/1![Frontier logo]()
$84
This CheapOair deal was found by Cheapflights users on 9/1. 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 10/158:22 am -
Nonstop1h 32m
Tue 10/209:11 am -
1 stop7h 09m
Deal found 9/1![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 8/31. 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.
Mon 9/288:44 am -
Nonstop1h 38m
Wed 9/309:00 am -
Nonstop1h 37m
Deal found 8/31![Frontier logo]()
$86
This FlightHub deal was found by Cheapflights users on 8/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:44 am -
Nonstop1h 38m
Tue 10/67:11 pm -
1 stop21h 12m
Deal found 8/28![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/228:44 am -
Nonstop1h 38m
Sat 9/266:04 am -
1 stop8h 35m
Deal found 9/1![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 8/31. 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.
Fri 10/28:44 am -
Nonstop1h 38m
Mon 10/512:07 pm -
Nonstop1h 36m
Deal found 8/31![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/228:44 am -
Nonstop1h 38m
Wed 9/3011:17 am -
1 stop5h 06m
Deal found 9/1![Frontier logo]()
$90
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 September 2, 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 September 2, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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.
Thu 10/157:59 pm -
Nonstop1h 23m
Mon 10/198:57 pm -
Nonstop1h 30m
Deal found 8/28![Delta logo]()
$117
This Southwest deal was found by Cheapflights users on 8/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:25 am -
1 stop6h 50m
Mon 10/128:40 pm -
Nonstop1h 25m
Deal found 8/30![Southwest logo]()
$127
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:50 pm -
Nonstop1h 27m
Mon 10/1210:21 am -
Nonstop1h 32m
Deal found 8/30![Alaska Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 8/29. 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.
Tue 10/1310:10 am -
Nonstop1h 20m
Tue 10/205:20 am -
2 stops7h 40m
Deal found 8/29![Southwest logo]()
$132
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/227:16 am -
Nonstop1h 24m
Sat 9/263:41 pm -
Nonstop1h 31m
Deal found 8/31![Alaska Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 8/28. 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 10/105:25 am -
1 stop6h 50m
Wed 10/146:55 am -
1 stop4h 20m
Deal found 8/28![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 8/28. 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.
Tue 10/610:50 am -
1 stop6h 20m
Tue 10/271:25 pm -
2 stops8h 50m
Deal found 8/28![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/1. 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 10/105:25 am -
1 stop6h 50m
Tue 10/135:20 am -
2 stops7h 40m
Deal found 9/1![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/1. 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 10/69:25 am -
2 stops7h 45m
Tue 10/136:55 am -
1 stop6h 05m
Deal found 9/1![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 8/29. 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.
Mon 9/217:50 am -
2 stops6h 50m
Tue 9/2210:40 am -
1 stop6h 30m
Deal found 8/29![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 8/29. 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.
Wed 10/219:25 am -
2 stops7h 45m
Fri 10/236:10 am -
Nonstop1h 25m
Deal found 8/29![Southwest logo]()
$149
Last-minute flights from Irvine to FremontDiscover last-minute flight deals from Irvine to Fremont. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Fremont. Data last updated September 2, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:44 am -
Nonstop1h 38m
Thu 9/242:28 pm -
1 stop4h 16m
Deal found 9/1![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/228:44 am -
Nonstop1h 38m
Sat 9/266:04 am -
1 stop8h 35m
Deal found 9/1![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/228:44 am -
Nonstop1h 38m
Wed 9/3011:17 am -
1 stop5h 06m
Deal found 9/1![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:44 am -
Nonstop1h 38m
Mon 9/288:57 pm -
Nonstop1h 32m
Deal found 8/31![Multiple Airlines logo]()
$82
This CheapOair deal was found by Cheapflights users on 8/31. 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.
Mon 9/288:44 am -
Nonstop1h 38m
Wed 9/309:00 am -
Nonstop1h 37m
Deal found 8/31![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 9/1. 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 9/298:44 am -
Nonstop1h 38m
Mon 10/512:07 pm -
Nonstop1h 36m
Deal found 9/1![Frontier logo]()
$80
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:44 am -
Nonstop1h 38m
Sat 10/106:00 am -
1 stop28h 45m
Deal found 8/28![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 8/31. 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.
Fri 10/28:44 am -
Nonstop1h 38m
Mon 10/512:07 pm -
Nonstop1h 36m
Deal found 8/31![Frontier logo]()
$89
This Booking.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:30 am -
1 stop6h 54m
Tue 10/137:25 pm -
Nonstop1h 36m
Deal found 9/1![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/68:44 am -
Nonstop1h 38m
Wed 10/711:17 am -
1 stop5h 06m
Deal found 8/28![Frontier logo]()
$87
This Booking.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:19 am -
1 stop7h 06m
Mon 10/127:25 pm -
Nonstop1h 36m
Deal found 9/1![Frontier logo]()
$84
This CheapOair deal was found by Cheapflights users on 9/1. 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 10/158:22 am -
Nonstop1h 32m
Tue 10/209:11 am -
1 stop7h 09m
Deal found 9/1![Frontier logo]()
$85
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 September 2, 2026.
Search for one-way flight options from Irvine to Fremont. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Super.com deal was found by Cheapflights users on 8/31. 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 9/98:44 am -
Nonstop1h 38m
Deal found 8/31![Frontier logo]()
$56
This Super.com deal was found by Cheapflights users on 8/28. 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.
Thu 9/108:44 am -
Nonstop1h 38m
Deal found 8/28![Frontier logo]()
$57
This Delta deal was found by Cheapflights users on 8/28. 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.
Sat 10/32:35 pm -
Nonstop1h 19m
Deal found 8/28![Delta logo]()
$59
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Thu 11/199:35 pm -
Nonstop1h 42m
Deal found 8/30![American Airlines logo]()
$60
This Jetabroad deal was found by Cheapflights users on 8/28. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:30 am -
1 stop6h 54m
Deal found 8/28![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 8/31. 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 11/167:36 pm -
1 stop18h 44m
Deal found 8/31![Frontier logo]()
$63
This Super.com deal was found by Cheapflights users on 9/1. 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 10/199:57 pm -
1 stop20h 28m
Deal found 9/1![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 8/28. 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.
Mon 9/2810:04 pm -
1 stop10h 10m
Deal found 8/28![Frontier logo]()
$65
This Jettzy deal was found by Cheapflights users on 8/28. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:44 am -
Nonstop1h 38m
Deal found 8/28![Frontier logo]()
$66
This Jetabroad deal was found by Cheapflights users on 8/28. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:36 am -
1 stop12h 38m
Deal found 8/28![Frontier logo]()
$67
This Kissandfly.com deal was found by Cheapflights users on 8/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:15 am -
1 stop5h 10m
Deal found 8/29![Frontier logo]()
$68
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $79 (Booking.com) |
One-way from | $56 (Super.com) |
Popular in | July |
Cheapest in | October |
Average price | $186 |
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 7,457,451 searches. Data last updated September 2, 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
Quickest round-trip
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Thu 10/15
7:59 pm-9:22 pm
Nonstop1h 23m
San Francisco
Mon 10/19
8:57 pm-10:27 pm
Nonstop1h 30m
$117
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Sat 10/10
5:25 am-12:15 pm
1 stop6h 50m
San Francisco
Mon 10/12
8:40 pm-10:05 pm
Nonstop1h 25m
$127
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Tue 10/13
10:10 am-11:30 am
Nonstop1h 20m
San Francisco
Tue 10/20
5:20 am-1:00 pm
2 stops7h 40m
$132
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Fri 10/9
7:50 pm-9:17 pm
Nonstop1h 27m
San Francisco
Mon 10/12
10:21 am-11:53 am
Nonstop1h 32m
$134
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Tue 9/22
7:16 am-8:40 am
Nonstop1h 24m
San Francisco
Sat 9/26
3:41 pm-5:12 pm
Nonstop1h 31m
$137
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Sat 10/10
5:25 am-12:15 pm
1 stop6h 50m
San Francisco
Wed 10/14
6:55 am-11:15 am
1 stop4h 20m
$137
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Tue 10/6
10:50 am-5:10 pm
1 stop6h 20m
San Francisco
Tue 10/27
1:25 pm-10:15 pm
2 stops8h 50m
$142
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Sat 10/10
5:25 am-12:15 pm
1 stop6h 50m
San Francisco
Tue 10/13
5:20 am-1:00 pm
2 stops7h 40m
$142
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Tue 10/6
9:25 am-5:10 pm
2 stops7h 45m
San Francisco
Tue 10/13
6:55 am-1:00 pm
1 stop6h 05m
$142
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Mon 9/21
7:50 am-2:40 pm
2 stops6h 50m
San Francisco
Tue 9/22
10:40 am-5:10 pm
1 stop6h 30m
$142
Showing 1-10 of 22 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 September 2, 2026.
It’s typically best to fly out from Irvine to Fremont in the afternoon. Doing so could potentially save you 18% on the flight price compared to flying in the morning, which is usually more expensive.
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 September 2, 2026.
The most flights from IR9 to FR8 are scheduled on a Monday (173 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (50 on average).
How much does it cost to fly round-trip from Irvine to Fremont?
Airfare is below average for this route at the moment.
Irvine to Fremont flights typically cost between $134 and $251 in October.The cheapest round-trip price found within the last 5 days was $79 on Frontier (Oct 6-Oct 13).
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.
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 September 2, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
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Irvine and 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$28 | Average$123 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$68 | Average$232 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$78 | Average$251 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$88 | Average$278 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$92 | Average$220 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$106 | Average$246 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$340 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$128 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$488 | Average$579 | FlexibilityNo cancel fee | On-timeN/A |