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Fremont

$102+ Cheap flights from Chicago (CHI) 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Fremont are usually found in September or October, booked 84 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Chicago to Fremont

Keep the following information in mind while searching for Chicago to Fremont flight deals. Data was last updated July 1, 2025.

Round-trip from

$204
(Frontier)

One-way from

$102
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$293
From Chicago (CHI) to Fremont
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One-way flight from Chicago (CHI) to Fremont
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Highest demand for flights based on searches. 8% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Chicago to Fremont

Cheapest flights from Chicago to Fremont
Explore the most affordable flight options available from Chicago to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Frontier deal was found by Cheapflights users on 6/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amORD - SFO
1 stop7h 07mFrontier
Sat 9/610:49 amSFO - ORD
1 stop8h 39mFrontier
Deal found 6/30$204
This Frontier deal was found by Cheapflights users on 6/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:48 pmMDW - SFO
1 stop9h 28mFrontier
Mon 9/156:29 amSFO - MDW
1 stop7h 24mFrontier
Deal found 6/30$205
This Southwest deal was found by Cheapflights users on 7/1. 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 8/168:10 amMDW - SFO
Nonstop4h 35mSouthwest
Sat 8/236:20 pmSFO - MDW
1 stop8h 50mSouthwest
Deal found 7/1$207
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/283:17 pmORD - SFO
Nonstop4h 35mAmerican Airlines
Tue 9/22:26 pmSFO - ORD
Nonstop4h 22mAmerican Airlines
Deal found 6/30$207
This Southwest deal was found by Cheapflights users on 6/30. 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 8/237:00 amORD - SFO
1 stop6h 20mSouthwest
Sun 8/3110:30 amSFO - ORD
1 stop9h 00mSouthwest
Deal found 6/30$208
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:20 amORD - SFO
1 stop7h 41mAlaska Airlines
Tue 10/1410:30 amSFO - ORD
1 stop11h 29mAlaska Airlines
Deal found 7/1$216
This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:18 pmORD - SFO
Nonstop4h 48mHawaiian Airlines
Mon 8/1111:55 amSFO - ORD
Nonstop4h 23mHawaiian Airlines
Deal found 6/30$217
This Orbitz deal was found by Cheapflights users on 6/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/191:39 pmORD - SFO
1 stop8h 00mMultiple Airlines
Tue 7/2211:55 amSFO - ORD
Nonstop4h 23mMultiple Airlines
Deal found 6/30$241
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:43 pmMDW - SFO
1 stop8h 09mDelta
Mon 8/189:35 pmSFO - MDW
1 stop10h 01mDelta
Deal found 6/30$257

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago 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 July 1, 2025.
Use the filters below to find and compare flights from Chicago to Fremont that are best for you.

Fly from

Chicago

Fly to

Fremont

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 8/25

7:00 am-12:07 pm

1 stop7h 07m

San Francisco

Sat 9/6

10:49 am-9:28 pm

1 stop8h 39m

$204

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Mon 9/8

4:48 pm-12:16 am

1 stop9h 28m

San Francisco

Mon 9/15

6:29 am-3:53 pm

1 stop7h 24m

$205

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Sat 8/16

8:10 am-10:45 am

Nonstop4h 35m

San Francisco

Sat 8/23

6:20 pm-5:10 am

1 stop8h 50m

$207

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 8/28

3:17 pm-5:52 pm

Nonstop4h 35m

San Francisco

Tue 9/2

2:26 pm-8:48 pm

Nonstop4h 22m

$207

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 8/23

7:00 am-11:20 am

1 stop6h 20m

San Francisco

Sun 8/31

10:30 am-9:30 pm

1 stop9h 00m

$208

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 8/8

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

Mon 8/11

11:55 am-6:18 pm

Nonstop4h 23m

$217

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 7/29

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

Tue 8/5

6:53 pm-5:40 am

1 stop8h 47m

$227

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 7/19

1:39 pm-7:39 pm

1 stop8h 00m

San Francisco

Tue 7/22

11:55 am-6:18 pm

Nonstop4h 23m

$241

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Fri 8/15

12:43 pm-6:52 pm

1 stop8h 09m

San Francisco

Mon 8/18

9:35 pm-9:36 am

1 stop10h 01m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 8/19

7:20 am-10:33 pm

1 stop17h 13m

$102

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 21 results
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Best time to book a flight from Chicago to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Chicago 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 Chicago to Fremont

How far ahead should I book a flight from Chicago to Fremont?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Fremont. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Fremont, you should look to book at least 84 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 Chicago to Fremont?

Currently, January is the cheapest month in which you can book a flight from Chicago to Fremont (average of $276). Flying from Chicago to Fremont in June is currently the most expensive (average of $360). 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 CHI to FR8?

Find hourly flight availability from Chicago 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 July 1, 2025.

When flying from Chicago to Fremont, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Fremont. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Chicago to Fremont

Explore weekly flight availability from Chicago 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 July 1, 2025.

The most flights from CHI to FR8 are scheduled on a Tuesday (92 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 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 July 1, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Chicago to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $102. Users have also found prices from $109 and $109 on Southwest and United Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Chicago to Fremont are Alaska Airlines (93%), Air China (89%) and ANA (89%).

  • What are the cheapest flights from Chicago to Fremont?

    The cheapest flight price from Chicago to Fremont is $98. On average you can expect to pay $1,098. The most popular route, (Chicago O'Hare Intl - San Francisco), can usually be booked for $165.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Fremont?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Fremont (average of $276). Flying from Chicago to Fremont in June is currently the most expensive (average of $360). 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

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Alternative routes for Chicago to Fremont

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Top 8 airlines flying from Chicago to Fremont

Discover the top 8 airlines that operate flights from Chicago 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$246FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$217FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$127Average$234FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$394FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$187Average$325FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$197Average$391FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$226Average$417FlexibilityNo cancel feeOn-time63%

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