Fremont

$49+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
Mar 13 — Mar 201
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 March or July, booked 77 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 Fremont
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 February 11, 2026.

This Super.com deal was found by Cheapflights users on 2/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:01 pm
LAX
-
SFO
Nonstop1h 37m
Frontier
Wed 3/118:09 pm
SFO
-
LAX
Nonstop1h 30m
Frontier
Deal found 2/10$81
This Super.com deal was found by Cheapflights users on 2/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:49 pm
LAX
-
SFO
Nonstop1h 34m
Frontier
Sat 3/78:15 pm
SFO
-
LAX
Nonstop1h 30m
Frontier
Deal found 2/10$82
This Frontier deal was found by Cheapflights users on 2/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/308:01 pm
LAX
-
SFO
Nonstop1h 37m
Frontier
Mon 4/138:09 pm
SFO
-
LAX
Nonstop1h 37m
Frontier
Deal found 2/7$83
This Frontier deal was found by Cheapflights users on 2/10. 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.
Tue 3/318:01 pm
LAX
-
SFO
Nonstop1h 37m
Frontier
Sat 4/48:09 pm
SFO
-
LAX
Nonstop1h 37m
Frontier
Deal found 2/10$84
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/49:12 am
LAX
-
SFO
1 stop9h 08m
Multiple Airlines
Mon 3/98:09 pm
SFO
-
LAX
Nonstop1h 30m
Multiple Airlines
Deal found 2/9$85
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Tue 4/144:17 pm
LAX
-
SFO
1 stop7h 08m
Frontier
Wed 4/155:49 pm
SFO
-
LAX
Nonstop1h 35m
Frontier
Deal found 2/11$86
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/49:12 am
LAX
-
SFO
1 stop9h 08m
Multiple Airlines
Sat 3/78:15 pm
SFO
-
LAX
Nonstop1h 30m
Multiple Airlines
Deal found 2/10$87
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sat 4/47:34 pm
LAX
-
SFO
Nonstop1h 34m
Frontier
Fri 4/108:09 pm
SFO
-
LAX
Nonstop1h 37m
Frontier
Deal found 2/10$88
This eDestinos deal was found by Cheapflights users on 2/7. 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 eDestinos 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 2/7$89
This Super.com deal was found by Cheapflights users on 2/9. 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.
Tue 3/31:51 pm
LAX
-
SFO
1 stop8h 10m
Frontier
Wed 4/18:09 pm
SFO
-
LAX
Nonstop1h 37m
Frontier
Deal found 2/9$91
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:51 pm
LAX
-
SFO
1 stop8h 10m
Frontier
Mon 3/98:09 pm
SFO
-
LAX
Nonstop1h 30m
Frontier
Deal found 2/9$92

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$81
(Super.com)

One-way from

$49
(Delta)

Popular in

January

Cheapest in

March

Average price

$188
Provider with most accurate pricing for Los Angeles-San Francisco flight deals.
Provider most trusted by Cheapflights users for Los Angeles-San Francisco flights.
From Irvine to Fremont
One-way flight from Irvine to Fremont
Highest demand for flights based on searches. 10% potential increase in price ($19 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 11, 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

Sat 3/14

5:05 am-6:35 am

Nonstop1h 30m

San Francisco

Tue 3/17

6:45 am-8:10 am

Nonstop1h 25m

$91

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Sat 4/18

6:20 am-7:45 am

Nonstop1h 25m

San Francisco

Sat 4/25

11:05 am-4:20 pm

1 stop5h 15m

$94

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 3/3

10:26 am-12:00 pm

Nonstop1h 34m

San Francisco

Sat 3/7

7:45 pm-9:26 pm

Nonstop1h 41m

$97

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 3/31

6:30 am-7:54 am

Nonstop1h 24m

San Francisco

Tue 3/31

1:05 pm-2:35 pm

Nonstop1h 30m

$97

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 3/24

6:30 am-7:54 am

Nonstop1h 24m

San Francisco

Tue 3/24

9:35 pm-11:15 pm

Nonstop1h 40m

$97

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 5/12

5:27 pm-6:56 pm

Nonstop1h 29m

San Francisco

Tue 5/19

10:28 am-12:05 pm

Nonstop1h 37m

$97

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Wed 3/4

6:30 am-7:55 am

Nonstop1h 25m

San Francisco

Wed 3/4

1:15 pm-2:47 pm

Nonstop1h 32m

$97

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 3/3

6:30 am-7:55 am

Nonstop1h 25m

San Francisco

Tue 3/3

1:15 pm-2:47 pm

Nonstop1h 32m

$97

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Sat 2/28

5:40 am-7:10 am

Nonstop1h 30m

San Francisco

Mon 3/2

7:50 am-9:20 am

Nonstop1h 30m

$106

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 3/31

2:05 pm-5:35 pm

1 stop3h 30m

San Francisco

Tue 3/31

7:15 pm-8:40 pm

Nonstop1h 25m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 22 results
1
2
3

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 February 6, 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, March is the cheapest month in which you can book a flight from Irvine to Fremont (average of $31). 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 February 11, 2026.

It’s typically best to fly out from Irvine to Fremont in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Irvine to Fremont?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Fremont. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Irvine to Fremont flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 11, 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.

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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.
  • How popular is this Irvine to Fremont flight route?

  • How long is the flight from Irvine to Fremont?

    Southwest, United Airlines, and Delta can get you from Irvine to Fremont in just under 1h 24m. Your travel time will be generally consistent. Irvine and Fremont are separated by a distance of 338 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Irvine to Fremont one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $24. However, be on the lookout for offers from Frontier and Southwest, as they are both options that can get you from Irvine to Fremont for a low price.

  • What are the most reliable airlines from Irvine to Fremont?

    Consider SkyWest Airlines (85%), Gulf Air (80%) or United Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Irvine to Fremont.

  • What are the cheapest flights from Irvine to Fremont?

    Looking for the cheapest flight from Irvine to Fremont? While on average our users pay $591, our data indicates the cheapest price to be $50. The most popular route (Los Angeles - San Francisco), is priced around $58.

  • Can I find deals for flights from Irvine to Fremont that include hotel bookings?

    Yes. In addition to deals on Irvine to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Fremont.

  • Can I find deals for business class flights from Irvine to Fremont?

    Yes. Cheapflights offers flight deals from Irvine to Fremont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Irvine to Fremont?

    Currently, March is the cheapest month in which you can book a flight from Irvine to Fremont (average of $31). 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.

See more FAQs

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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$25Average$103FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$27Average$107FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$38Average$168FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$58Average$213FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$67Average$202FlexibilityNo cancel feeOn-time75%
DeltaCheapest$78Average$201FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$85Average$217FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$268FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$107Average$353FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.