$53+ Cheap flights from Irvine, CA to Fremont, CA
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
Oct 11 — Oct 181
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 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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/236:48 pm -
Nonstop1h 37m
Wed 12/21:14 pm -
Nonstop1h 33m
Deal found 9/8![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 12/1011:46 am -
Nonstop1h 35m
Tue 12/151:14 pm -
Nonstop1h 33m
Deal found 9/8![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 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
Tue 10/133:11 pm -
1 stop16h 38m
Deal found 9/10![Frontier logo]()
$77
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:44 am -
Nonstop1h 38m
Thu 10/88:47 am -
Nonstop1h 37m
Deal found 9/9![Multiple Airlines logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/177:03 pm -
Nonstop1h 35m
Tue 10/207:25 pm -
Nonstop1h 36m
Deal found 9/9![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 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 10/73:15 pm -
1 stop8h 56m
Deal found 9/10![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 9/10. 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.
Fri 12/1111:46 am -
Nonstop1h 35m
Mon 12/141:14 pm -
Nonstop1h 33m
Deal found 9/10![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 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
Tue 10/67:11 pm -
1 stop12h 36m
Deal found 9/10![Frontier logo]()
$83
This Flightnetwork deal was found by Cheapflights users on 9/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:05 am -
1 stop18h 09m
Wed 10/147:25 pm -
Nonstop1h 36m
Deal found 9/9![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:44 pm -
Nonstop1h 43m
Mon 10/510:24 pm -
1 stop9h 23m
Deal found 9/10![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:33 pm -
1 stop15h 40m
Wed 11/47:25 pm -
Nonstop1h 28m
Deal found 9/10![Frontier logo]()
$86
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 11, 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 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/187:35 am -
Nonstop1h 28m
Mon 1/189:14 pm -
Nonstop1h 38m
Deal found 9/10![Alaska Airlines logo]()
$117
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:20 pm -
Nonstop1h 25m
Mon 11/25:18 pm -
Nonstop1h 24m
Deal found 9/10![Delta logo]()
$118
This Southwest deal was found by Cheapflights users on 9/7. 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 10/2812:35 pm -
Nonstop1h 20m
Sat 10/3111:25 am -
1 stop5h 45m
Deal found 9/7![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 9/6. 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 9/286:30 am -
Nonstop1h 20m
Tue 9/2910:40 am -
2 stops8h 15m
Deal found 9/6![Southwest logo]()
$132
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:02 am -
Nonstop1h 26m
Fri 11/139:43 am -
Nonstop1h 28m
Deal found 9/10![Alaska Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 9/9. 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 12/95:45 am -
2 stops7h 40m
Sat 12/126:40 am -
Nonstop1h 30m
Deal found 9/9![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/7. 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 stops8h 45m
Sat 10/242:25 pm -
Nonstop1h 30m
Deal found 9/7![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/8. 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 10/28:55 pm -
Nonstop1h 20m
Mon 10/55:40 pm -
Nonstop1h 25m
Deal found 9/8![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 9/6. 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 10/64:20 pm -
1 stop6h 30m
Tue 10/135:20 am -
2 stops7h 40m
Deal found 9/6![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/8. 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 9/8![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/9. 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 10/245:25 am -
1 stop6h 50m
Sat 10/315:10 am -
2 stops9h 10m
Deal found 9/9![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/10. 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 11/107:20 am -
1 stop6h 05m
Sat 11/145:00 am -
2 stops7h 50m
Deal found 9/10![Southwest logo]()
$142
Last-minute flights from Irvine to FremontDiscover last-minute flight deals from Irvine to Fremont. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Fremont. Data last updated September 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:44 pm -
Nonstop1h 43m
Mon 10/510:24 pm -
1 stop9h 23m
Deal found 9/10![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 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
Tue 10/133:11 pm -
1 stop16h 38m
Deal found 9/10![Frontier logo]()
$77
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:44 am -
Nonstop1h 38m
Thu 10/88:47 am -
Nonstop1h 37m
Deal found 9/9![Multiple Airlines logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 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 10/73:15 pm -
1 stop8h 56m
Deal found 9/10![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 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
Tue 10/67:11 pm -
1 stop12h 36m
Deal found 9/10![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/711:30 am -
1 stop6h 54m
Wed 10/147:25 pm -
Nonstop1h 36m
Deal found 9/9![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:03 pm -
Nonstop1h 35m
Thu 11/59:14 am -
Nonstop1h 32m
Deal found 9/10![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:33 pm -
1 stop15h 40m
Wed 11/47:25 pm -
Nonstop1h 28m
Deal found 9/10![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/177:03 pm -
Nonstop1h 35m
Tue 10/207:25 pm -
Nonstop1h 36m
Deal found 9/9![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/273:37 pm -
Nonstop1h 23m
Tue 10/277:25 pm -
Nonstop1h 28m
Deal found 9/8![Multiple Airlines logo]()
$76
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 11, 2026.
Search for one-way flight options from Irvine to Fremont. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This SmartFares deal was found by Cheapflights users on 9/6. 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 10/279:12 am -
Nonstop1h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$53
This Trip.com deal was found by Cheapflights users on 9/7. 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 10/1512:57 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$56
This Super.com deal was found by Cheapflights users on 9/9. 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 10/38:44 am -
Nonstop1h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$58
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:35 pm -
Nonstop1h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:15 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/65:20 pm -
1 stop14h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 9/7. 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.
Sun 10/118:22 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$63
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:44 am -
Nonstop1h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:33 pm -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$65
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Fri 10/168:22 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:20 am -
1 stop20h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$67
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $75 (Kiwi.com) |
One-way from | $53 (SmartFares) |
Popular in | July |
Cheapest in | October |
Average price | $193 |
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 11, 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 Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Wed 2/10
1:45 pm-3:08 pm
Nonstop1h 23m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Thu 11/19
5:45 am-12:20 pm
1 stop6h 35m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Thu 12/3
5:45 am-9:40 am
1 stop3h 55m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Sat 10/3
11:05 am-3:05 pm
1 stop4h 00m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Mon 3/1
5:10 pm-11:05 pm
1 stop5h 55m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Mon 10/26
5:45 am-10:05 am
1 stop4h 20m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Thu 12/17
7:35 am-3:10 pm
2 stops7h 35m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Sat 10/24
5:25 am-2:35 pm
2 stops9h 10m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Fri 10/23
6:35 am-8:00 am
Nonstop1h 25m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$76
Los AngelesSan Francisco
LAX Los Angeles Los Angeles - SFO San Francisco
LAXSFO
Los Angeles Los Angeles
Fri 10/2
7:10 pm-12:35 am
1 stop5h 25m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$86
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 September 11, 2026.
It’s typically best to fly out from Irvine to Fremont in the afternoon. Doing so could potentially save you 17% 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 11, 2026.
The most flights from IR9 to FR8 are scheduled on a Wednesday (147 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 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 $139 and $254 in November.The cheapest round-trip price found within the last 5 days was $75 on Frontier (Nov 23-Nov 27).
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 11, 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
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - 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 September 11, 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$28 | Average$123 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$68 | Average$230 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$78 | Average$251 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$88 | Average$280 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$92 | Average$229 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$106 | Average$246 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$342 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$135 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$498 | Average$598 | FlexibilityNo cancel fee | On-timeN/A |