$48+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
Feb 27 — Mar 61
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 February or March, booked 85 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Irvine to Fremont
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 January 28, 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 January 28, 2026.
This Super.com deal was found by Cheapflights users on 1/28. 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.
Fri 5/158:01 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Mon 5/185:49 pm
SFO
- LAX
Nonstop1h 35m
Frontier
Deal found 1/28![Frontier logo]()
$80
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/148:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Sat 3/218:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 1/27![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Mon 4/67:34 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Sat 4/118:09 pm
SFO
- LAX
Nonstop1h 37m
Frontier
Deal found 1/28![Frontier logo]()
$82
This CheapOair deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:44 am
LAX
- SFO
Nonstop1h 34m
Frontier
Mon 3/26:53 pm
SFO
- LAX
Nonstop1h 33m
Frontier
Deal found 1/27![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 1/26. 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.
Fri 4/37:34 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Wed 4/88:09 pm
SFO
- LAX
Nonstop1h 37m
Frontier
Deal found 1/26![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
LAX
- SFO
Nonstop1h 31m
Multiple Airlines
Sat 2/286:53 pm
SFO
- LAX
Nonstop1h 33m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:49 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Wed 3/47:35 am
SFO
- LAX
1 stop15h 43m
Frontier
Deal found 1/27![Frontier logo]()
$86
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
LAX
- SFO
Nonstop1h 31m
Multiple Airlines
Sun 3/19:28 am
SFO
- LAX
Nonstop1h 39m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$87
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Thu 3/198:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 1/26![Frontier logo]()
$88
This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:01 pm
LAX
- SFO
Nonstop1h 37m
Multiple Airlines
Sun 3/226:00 am
SFO
- LAX
Nonstop1h 33m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$89
This CheapOair deal was found by Cheapflights users on 1/28. 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 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 33m
Frontier
Sun 4/195:49 pm
SFO
- LAX
Nonstop1h 35m
Frontier
Deal found 1/28![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 am
LAX
- SFO
Nonstop1h 31m
Alaska Airlines
Wed 3/46:00 am
SFO
- LAX
Nonstop1h 37m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$91
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 January 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $80 (Frontier) |
One-way from | $48 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $165 |
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 January 28, 2026.
Use the filters below to find and compare flights from Irvine to Fremont that are best for you.
Fly from
Irvine
Fly to
Fremont
Route
Depart
Return
Price
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 2/24
4:30 pm-5:56 pm
Nonstop1h 26m
San Francisco
Mon 3/2
11:02 am-12:35 pm
Nonstop1h 33m
$107
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 2/28
10:25 am-11:54 am
Nonstop1h 29m
San Francisco
Mon 3/2
6:00 am-7:29 am
Nonstop1h 29m
$107
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 2/18
7:50 am-9:20 am
Nonstop1h 30m
San Francisco
Thu 2/19
7:50 am-9:20 am
Nonstop1h 30m
$112
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 4/1
6:35 pm-8:00 pm
Nonstop1h 25m
San Francisco
Sun 4/5
9:35 pm-11:15 pm
Nonstop1h 40m
$112
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Thu 2/19
6:30 am-7:55 am
Nonstop1h 25m
San Francisco
Sat 2/21
6:55 pm-8:26 pm
Nonstop1h 31m
$112
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 2/25
9:35 pm-11:04 pm
Nonstop1h 29m
San Francisco
Sun 3/1
6:00 am-7:29 am
Nonstop1h 29m
$112
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sun 3/22
6:30 am-7:54 am
Nonstop1h 24m
San Francisco
Sat 3/28
5:50 pm-7:17 pm
Nonstop1h 27m
$112
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 3/4
10:35 pm-12:15 am
Nonstop1h 40m
San Francisco
Wed 3/11
10:44 pm-12:17 am
Nonstop1h 33m
$117
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 2/24
1:37 pm-3:03 pm
Nonstop1h 26m
San Francisco
Wed 2/25
11:02 am-12:35 pm
Nonstop1h 33m
$117
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 2/28
4:10 pm-5:40 pm
Nonstop1h 30m
San Francisco
Sun 3/1
5:30 am-6:55 am
Nonstop1h 25m
$119
Showing 1-10 of 23 results
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.
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
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 January 23, 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, February is the cheapest month in which you can book a flight from Irvine to Fremont (average of $19). Flying from Irvine to Fremont in November 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 January 28, 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 January 28, 2026.
The most flights from IR9 to FR8 are scheduled on a Monday (136 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (54 on average).
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 January 28, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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 for Irvine to Fremont
See prices for flight routes from nearby airports that may be better suited for you.
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 January 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$19 | Average$97 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$27 | Average$103 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$38 | Average$168 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$58 | Average$210 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$67 | Average$200 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$78 | Average$202 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$266 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$107 | Average$358 | FlexibilityNo cancel fee | On-time71% |