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$99+ Cheap flights from Fremont, CA to Chicago (CHI)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CHI
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Chicago are usually found in February or April, booked 76 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Fremont to Chicago

Keep the following information in mind while searching for Fremont to Chicago flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$208
(Alaska Airlines)

One-way from

$99
(Southwest)

Popular in

December

Cheapest in

February

Average price

$357
Provider with most accurate pricing for San Francisco-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Chicago (CHI) flights.
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From Fremont to Chicago (CHI)
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One-way flight from Fremont to Chicago (CHI)
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Fremont to Chicago

Cheapest flights from Fremont to Chicago
Explore the most affordable flight options available from Fremont to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 5/258:00 amSFO - ORD
1 stop13h 56mAlaska Airlines
Wed 5/287:59 pmORD - SFO
Nonstop4h 50mAlaska Airlines
Deal found 3/31$208
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:55 pmSFO - ORD
1 stop8h 45mMultiple Airlines
Fri 5/307:59 pmORD - SFO
Nonstop4h 50mMultiple Airlines
Deal found 3/29$212
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:35 pmSFO - MDW
1 stop8h 45mSouthwest
Tue 6/105:25 pmMDW - SFO
1 stop8h 05mSouthwest
Deal found 3/31$216
This Southwest deal was found by Cheapflights users on 3/30. 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.
Tue 5/136:00 amSFO - ORD
1 stop8h 45mSouthwest
Tue 6/36:55 pmORD - SFO
1 stop6h 25mSouthwest
Deal found 3/30$216
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:16 amSFO - ORD
Nonstop4h 25mAmerican Airlines
Thu 9/116:35 pmORD - SFO
Nonstop4h 54mAmerican Airlines
Deal found 3/31$218
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:04 amSFO - ORD
Nonstop4h 22mUnited Airlines
Mon 5/55:05 amORD - SFO
1 stop6h 31mUnited Airlines
Deal found 3/30$227
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2211:38 pmSFO - MDW
1 stop8h 27mFrontier
Thu 4/248:01 pmMDW - SFO
1 stop6h 32mFrontier
Deal found 3/30$234
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/208:32 pmSFO - ORD
1 stop6h 22mFrontier
Mon 4/214:26 pmORD - SFO
1 stop7h 13mFrontier
Deal found 3/31$235
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/3112:33 pmSFO - ORD
Nonstop4h 26mHawaiian Airlines
Sat 5/317:59 pmORD - SFO
Nonstop4h 50mHawaiian Airlines
Deal found 3/30$241
This Delta deal was found by Cheapflights users on 3/30. 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 4/1812:47 amSFO - MDW
1 stop6h 53mDelta
Sat 4/193:02 pmMDW - SFO
1 stop7h 12mDelta
Deal found 3/30$257
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:00 amSFO - ORD
1 stop9h 06mDelta
Wed 5/2811:03 amORD - SFO
1 stop8h 44mDelta
Deal found 3/31$257
This Sun Country Air deal was found by Cheapflights users on 3/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:09 pmSFO - ORD
1 stop21h 12mSun Country Air
Mon 5/269:05 pmORD - SFO
1 stop18h 07mSun Country Air
Deal found 3/30$275

Cheapflights Fare Finder

Customize your flight search to find flights from Fremont to Chicago 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 March 31, 2025.
Use the filters below to find and compare flights from Fremont to Chicago that are best for you.

Fly from

Fremont

Fly to

Chicago

Route

Depart

Return

Price

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 5/25

8:00 am-11:56 pm

1 stop13h 56m

Chicago O'Hare Intl

Wed 5/28

7:59 pm-10:49 pm

Nonstop4h 50m

$208

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 5/24

6:55 pm-5:40 am

1 stop8h 45m

Chicago O'Hare Intl

Fri 5/30

7:59 pm-10:49 pm

Nonstop4h 50m

$212

San FranciscoChicago

SFO - MDW

SFOMDW

San Francisco

Tue 6/3

6:35 pm-5:20 am

1 stop8h 45m

Chicago Midway

Tue 6/10

5:25 pm-11:30 pm

1 stop8h 05m

$216

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 5/13

6:00 am-4:45 pm

1 stop8h 45m

Chicago O'Hare Intl

Tue 6/3

6:55 pm-11:20 pm

1 stop6h 25m

$216

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 9/5

10:16 am-4:41 pm

Nonstop4h 25m

Chicago O'Hare Intl

Thu 9/11

6:35 pm-9:29 pm

Nonstop4h 54m

$218

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 5/1

5:04 am-11:26 am

Nonstop4h 22m

Chicago O'Hare Intl

Mon 5/5

5:05 am-9:36 am

1 stop6h 31m

$227

San FranciscoChicago

SFO - MDW

SFOMDW

San Francisco

Tue 4/22

11:38 pm-10:05 am

1 stop8h 27m

Chicago Midway

Thu 4/24

8:01 pm-12:33 am

1 stop6h 32m

$234

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 4/20

8:32 pm-4:54 am

1 stop6h 22m

Chicago O'Hare Intl

Mon 4/21

4:26 pm-9:39 pm

1 stop7h 13m

$235

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 5/31

12:33 pm-6:59 pm

Nonstop4h 26m

Chicago O'Hare Intl

Sat 5/31

7:59 pm-10:49 pm

Nonstop4h 50m

$241

San FranciscoChicago

SFO - MDW

SFOMDW

San Francisco

Fri 4/18

12:47 am-9:40 am

1 stop6h 53m

Chicago Midway

Sat 4/19

3:02 pm-8:14 pm

1 stop7h 12m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 27 results
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2
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Best time to book a flight from Fremont to Chicago

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

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Chicago. Price data was last updated on March 28, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Fremont to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Fremont to Chicago (average of $245). Flying from Fremont to Chicago in March is currently the most expensive (average of $323). 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 FR8 to CHI?

Find hourly flight availability from Fremont to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Fremont to Chicago as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Fremont to Chicago. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Fremont to Chicago flight should consider departing on Wednesday afternoons 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 Fremont to Chicago

Explore weekly flight availability from Fremont to Chicago. 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 March 31, 2025.

The most flights from FR8 to CHI are scheduled on a Sunday (74 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated March 31, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Fremont to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Fremont to Chicago. 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 Fremont to Chicago one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Alaska Airlines and Frontier, as they are both options that can get you from Fremont to Chicago for a low price.

  • What are the most popular routes from Fremont to Chicago?

    When deciding which route to take from Fremont to Chicago consider San Francisco - Chicago O'Hare Intl, San Francisco - Chicago Midway or San Francisco - Chicago Greater Rockford as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Fremont to Chicago consider choosing Royal Jordanian (99%), Asiana Airlines (97%) or Brussels Airlines (95%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Fremont to Chicago?

    On average you can expect to pay $912 for a flight from Fremont to Chicago. The cheapest flight overall is $98 while the most popular route, (San Francisco - Chicago O'Hare Intl) is currently priced at $180.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Fremont to Chicago (average of $245). Flying from Fremont to Chicago in March is currently the most expensive (average of $323). 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

Traveling to a place near Fremont?

Book flights to Fremont if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Fremont to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Fremont to Chicago

Discover the top 8 airlines that operate flights from Fremont to Chicago. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$237FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$113Average$260FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$115Average$325FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$178Average$318FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$185Average$399FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$206Average$459FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$208Average$451FlexibilityNo cancel feeOn-time63%
DeltaCheapest$235Average$404FlexibilityNo cancel feeOn-timeN/A
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