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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $91. However, be on the lookout for offers from JetBlue and Delta, as they are both options that can get you from Fremont to Chicago for a low price.

Weekly flight availability from Fremont to Chicago

The most flights from FR8 to CHI are scheduled on a Monday (95 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (66 on average).

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.

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).

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 cheapest flights from Fremont to Chicago?

On average you can expect to pay $1,141 for a flight from Fremont to Chicago. The cheapest flight overall is $165 while the most popular route, (San Francisco - Chicago O'Hare Intl) is currently priced at $268.

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 ITA Airways (90%), Aer Lingus (78%) or Austrian Airlines (73%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Fremont to Chicago?

United Airlines, American Airlines and Southwest are the most popular airlines when flying from Fremont to Chicago.

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.

Find Cheap Flights from Fremont to Chicago

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Cheapflights Tip: The best prices from Fremont to Chicago are usually found in February or January, booked 56 days in advance, depart on a Wednesday or Thursday and return on a Thursday

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Most accurate provider	FlightHub 3 stars
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Popular in	July
Cheapest in	February
Average price	$417

Provider with most accurate pricing for San Francisco-Chicago (CHI) flight deals.

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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Fremont to Chicago

Prices

Airlines

What is the cheapest time of day to fly from FR8 to CHI?

When flying from Fremont to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight in the afternoon.

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

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

Reviews of airlines servicing Chicago

Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Fremont to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Southwest

7.9

Good

4,214 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Delta

7.8

Good

8,650 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

United Airlines

7.4

Good

10,362 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

American Airlines

7.0

Good

12,165 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Frontier

5.5

Fair

2,539 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Related info for your journey

What are the cheapest airlines to fly from Fremont to Chicago one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $91. However, be on the lookout for offers from JetBlue and Delta, 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 ITA Airways (90%), Aer Lingus (78%) or Austrian Airlines (73%) 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 $1,141 for a flight from Fremont to Chicago. The cheapest flight overall is $165 while the most popular route, (San Francisco - Chicago O'Hare Intl) is currently priced at $268.
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.

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Top 7 airlines flying from Fremont to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$122	Average$389	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$157	Average$363	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$200	Average$424	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$204	Average$419	FlexibilityNo cancel fee	On-time75%
JetBlue	Cheapest$224	Average$306	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$256	Average$470	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$262	Average$515	FlexibilityNo cancel fee	On-time69%

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Cheap flights from Fremont, CA to Chicago (CHI)

Find cheap flights from Fremont to Chicago with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Fremont to Chicago

Most accurate provider

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Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from FR8 to CHI?

When flying from Fremont to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight in the afternoon.

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

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

Weekly flight availability from Fremont to Chicago

The most flights from FR8 to CHI are scheduled on a Monday (95 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (66 on average).

Reviews of airlines servicing Chicago

Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Fremont to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most popular routes from Fremont to Chicago?

What are the most reliable airlines from Fremont to Chicago?

What are the cheapest flights from Fremont to Chicago?

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

How can I find direct flights from Fremont to Chicago?

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

Traveling to a place near Chicago?

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Other flights to Chicago

Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.

Complete your trip

Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.

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