What are the cheapest airlines to fly from San Jose to Illinois one-way?

The cheapest airlines for a one-way flight from San Jose to Illinois are Frontier ($97), Spirit Airlines ($116), and Southwest ($124).

What are the most popular routes from San Jose to Illinois?

The most popular route from San Jose to Illinois is San Jose - Chicago O'Hare Intl. You may also consider San Jose - Chicago Midway or San Jose - Lambert-St Louis.

What are the cheapest flights from San Jose to Illinois?

While on average a flight from San Jose to Illinois is generally $963, our data shows the cheapest flight currently is $171. When looking at the most popular route, (San Jose - Chicago O'Hare Intl), you can expect to pay $114 for that flight.

What are the most popular airlines that fly from San Jose to Illinois?

When booking a flight from San Jose to Illinois, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

How far in advance should I book a flight from San Jose to Illinois?

Find a great deal and save up to 43% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Jose to Illinois within the next two weeks, with the cheapest ticket starting at $215.

What is the cheapest month to fly from San Jose to Illinois?

January can be a great time to fly to Illinois from San Jose with a flight ticket averaging about $401. Cheapflights users have found deals in the month of January for as cheap as $148. The most expensive prices can be found in the month of December.

What airport do you fly from for flights from San Jose to Illinois?

For a flight from San Jose to Illinois, you will be flying from San Jose. San Jose (SJC) is just 2.9 mi from the center of the city.

Can I find deals for flights from San Jose to Illinois that include hotel bookings?

Yes. In addition to deals on San Jose to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Jose to Illinois?

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

Can I find deals for business class flights from San Jose to Illinois?

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

$97+ Flights from San Jose to Illinois - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San Jose to Illinois 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.

Cheap flight deals from San Jose to Illinois

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$191 (CheapOair)
One-way from	$97 (CheapOair)
Popular in	December
Cheapest in	January
Average price	$434
Good round-trip deal	$393 or less
Good one-way deal	$195 or less

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

Search Deals

Provider most trusted by Cheapflights users for San Jose-Chicago (CHI) flights.

Search Deals

From San Jose to Illinois

Search Deals

One-way flight from San Jose to Illinois

Search Deals

High demand for flights, 6% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from San Jose to Illinois.

Search Deals

Price to beat on a one-way flight from San Jose to Illinois.

Search Deals

Find flight deals from San Jose to Illinois

Cheapest flights from San Jose to Illinois
Explore the most affordable flight options available from San Jose to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

dom. 5/1112:20 pmSJC - STL

1 stop18h 49mFrontier

mié. 5/148:15 pmSTL - SJC

1 stop16h 49mFrontier

Deal found 4/29

$191

vie. 5/306:00 amSJC - ORD

3 stops27h 50mSpirit Airlines

mar. 6/39:02 pmORD - SJC

1 stop28h 27mSpirit Airlines

Deal found 4/29

$226

lun. 5/512:20 pmSJC - ORD

1 stop9h 21mFrontier

jue. 5/88:14 pmORD - SJC

1 stop24h 27mFrontier

Deal found 4/29

$228

lun. 5/127:41 pmSJC - ORD

1 stop7h 29mMultiple Airlines

jue. 5/159:02 pmORD - SJC

1 stop15h 03mMultiple Airlines

Deal found 4/29

$234

dom. 6/112:13 pmSJC - MDW

1 stop6h 40mFrontier

lun. 6/96:25 amMDW - SJC

1 stop9h 15mFrontier

Deal found 4/30

$238

mié. 6/2510:25 pmSJC - STL

1 stop9h 18mDelta

mar. 7/16:30 amSTL - SJC

1 stop8h 13mDelta

Deal found 4/30

$257

mar. 6/179:45 amSJC - STL

2 stops9h 09mAmerican Airlines

mar. 6/245:37 amSTL - SJC

1 stop8h 46mAmerican Airlines

Deal found 4/29

$262

mié. 5/287:00 amSJC - STL

1 stop7h 31mUnited Airlines

mié. 6/45:27 pmSTL - SJC

1 stop7h 12mUnited Airlines

Deal found 4/29

$282

mar. 5/2010:25 pmSJC - MDW

1 stop9h 15mDelta

mié. 5/211:55 pmMDW - SJC

1 stop8h 36mDelta

Deal found 4/29

$299

mié. 6/46:30 amSJC - ORD

1 stop5h 58mDelta

mié. 6/47:15 pmORD - SJC

1 stop6h 26mDelta

Deal found 4/30

$299

mar. 6/177:03 amSJC - ORD

1 stop13h 27mAlaska Airlines

mar. 6/2410:00 amORD - SJC

1 stop11h 15mAlaska Airlines

Deal found 4/29

$304

vie. 5/306:00 amSJC - MDW

2 stops36h 53mMultiple Airlines

lun. 6/26:25 amMDW - SJC

1 stop9h 15mMultiple Airlines

Deal found 4/29

$313

Best flights from San Jose to Illinois
Discover carefully curated flight deals from San Jose to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mayo 1, 2025.

dom. 5/1112:20 pmSJC - STL

1 stop18h 49mFrontier

mié. 5/148:15 pmSTL - SJC

1 stop16h 49mFrontier

Deal found 4/29

$191

vie. 5/306:00 amSJC - ORD

3 stops27h 50mSpirit Airlines

mar. 6/39:02 pmORD - SJC

1 stop28h 27mSpirit Airlines

Deal found 4/29

$226

lun. 5/127:41 pmSJC - ORD

1 stop7h 29mMultiple Airlines

jue. 5/159:02 pmORD - SJC

1 stop15h 03mMultiple Airlines

Deal found 4/29

$234

mié. 6/2510:25 pmSJC - STL

1 stop9h 18mDelta

mar. 7/16:30 amSTL - SJC

1 stop8h 13mDelta

Deal found 4/30

$257

mar. 6/179:45 amSJC - STL

2 stops9h 09mAmerican Airlines

mar. 6/245:37 amSTL - SJC

1 stop8h 46mAmerican Airlines

Deal found 4/29

$262

mié. 5/287:00 amSJC - STL

1 stop7h 31mUnited Airlines

mié. 6/45:27 pmSTL - SJC

1 stop7h 12mUnited Airlines

Deal found 4/29

$282

mar. 6/177:03 amSJC - ORD

1 stop13h 27mAlaska Airlines

mar. 6/2410:00 amORD - SJC

1 stop11h 15mAlaska Airlines

Deal found 4/29

$304

mar. 5/137:00 amSJC - STL

2 stops7h 35mSouthwest

mié. 5/1412:15 pmSTL - SJC

1 stop6h 40mSouthwest

Deal found 4/30

$348

lun. 5/512:20 pmSJC - ORD

1 stop9h 21mFrontier

jue. 5/88:14 pmORD - SJC

1 stop24h 27mFrontier

Deal found 4/29

$228

dom. 6/112:13 pmSJC - MDW

1 stop6h 40mFrontier

lun. 6/96:25 amMDW - SJC

1 stop9h 15mFrontier

Deal found 4/30

$238

mar. 5/2010:25 pmSJC - MDW

1 stop9h 15mDelta

mié. 5/211:55 pmMDW - SJC

1 stop8h 36mDelta

Deal found 4/29

$299

vie. 5/306:00 amSJC - MDW

2 stops36h 53mMultiple Airlines

lun. 6/26:25 amMDW - SJC

1 stop9h 15mMultiple Airlines

Deal found 4/29

$313

Last-minute flights from San Jose to Illinois
Discover last-minute flight deals from San Jose to Illinois. Data last updated mayo 1, 2025 and is based on user searches.

lun. 5/512:20 pmSJC - ORD

1 stop9h 21mFrontier

jue. 5/88:14 pmORD - SJC

1 stop24h 27mFrontier

Deal found 4/29

$228

mar. 5/612:10 pmSJC - STL

1 stop8h 35mAmerican Airlines

vie. 5/94:52 pmSTL - SJC

2 stops7h 54mAmerican Airlines

Deal found 4/29

$384

mié. 5/74:28 pmSJC - ORD

2 stops14h 27mSpirit Airlines

lun. 5/129:02 pmORD - SJC

1 stop15h 03mSpirit Airlines

Deal found 4/30

$255

mié. 5/74:28 pmSJC - ORD

1 stop10h 57mMultiple Airlines

jue. 5/88:14 pmORD - SJC

1 stop24h 27mMultiple Airlines

Deal found 4/30

$258

mié. 5/78:24 amSJC - STL

2 stops13h 34mAlaska Airlines

sáb. 5/175:19 amSTL - SJC

1 stop7h 56mAlaska Airlines

Deal found 4/30

$498

jue. 5/87:41 pmSJC - MDW

1 stop17h 07mFrontier

dom. 5/118:03 pmMDW - SJC

1 stop17h 17mFrontier

Deal found 4/28

$241

jue. 5/83:30 pmSJC - STL

1 stop6h 28mUnited Airlines

dom. 5/115:20 amSTL - SJC

1 stop6h 42mUnited Airlines

Deal found 4/29

$469

vie. 5/96:00 amSJC - MDW

2 stops25h 33mMultiple Airlines

lun. 5/126:15 amMDW - SJC

1 stop14h 26mMultiple Airlines

Deal found 4/29

$337

vie. 5/91:27 pmSJC - STL

1 stop7h 59mDelta

mar. 5/137:19 pmSTL - SJC

1 stop6h 22mDelta

Deal found 4/29

$343

vie. 5/96:00 amSJC - STL

2 stops25h 15mSpirit Airlines

jue. 6/510:10 amSTL - SJC

3 stops25h 55mSpirit Airlines

Deal found 4/29

$397

vie. 5/912:26 pmSJC - MLI

1 stop8h 31mDelta

lun. 5/125:15 pmMLI - SJC

1 stop7h 45mDelta

Deal found 4/30

$419

vie. 5/96:00 amSJC - MLI

2 stops10h 02mAmerican Airlines

lun. 5/123:25 pmMLI - SJC

2 stops9h 21mAmerican Airlines

Deal found 4/30

$502

One-way flights from San Jose to Illinois
Search for one-way flight options from San Jose to Illinois. Find affordable one-way fares based on user searches. Data last updated mayo 1, 2025.

dom. 5/1112:20 pmSJC - STL

1 stop18h 49mFrontier

Deal found 4/29

$97

dom. 6/82:30 pmSJC - MDW

1 stop22h 26mFrontier

Deal found 4/30

$116

mar. 6/106:00 amSJC - ORD

2 stops27h 36mSpirit Airlines

Deal found 4/29

$116

jue. 5/292:33 pmSJC - ORD

1 stop28h 20mFrontier

Deal found 4/29

$117

mié. 6/47:30 amSJC - STL

1 stop5h 25mSouthwest

Deal found 4/29

$124

mié. 6/257:00 amSJC - STL

1 stop7h 31mUnited Airlines

Deal found 4/29

$129

sáb. 5/176:00 amSJC - RFD

1 stop27h 38mMultiple Airlines

Deal found 4/29

$132

mar. 6/109:45 amSJC - STL

2 stops8h 45mAmerican Airlines

Deal found 4/30

$134

jue. 6/1211:01 amSJC - STL

2 stops21h 32mSpirit Airlines

Deal found 4/30

$139

mar. 6/36:45 amSJC - ORD

1 stop10h 10mAlaska Airlines

Deal found 4/28

$147

mar. 6/172:20 pmSJC - ORD

1 stop7h 43mDelta

Deal found 4/29

$148

mar. 6/310:25 pmSJC - MDW

1 stop9h 15mDelta

Deal found 4/29

$150

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

dom. 5/11

12:20 pm-9:09 am

1 stop18h 49m

Lambert-St Louis

mié. 5/14

8:15 pm-11:04 am

1 stop16h 49m

$191

San JoseChicago

SJC - ORD

SJCORD

San Jose

vie. 5/30

6:00 am-11:50 am

3 stops27h 50m

Chicago O'Hare Intl

mar. 6/3

9:02 pm-11:29 pm

1 stop28h 27m

$226

San JoseChicago

SJC - ORD

SJCORD

San Jose

lun. 5/12

7:41 pm-5:10 am

1 stop7h 29m

Chicago O'Hare Intl

jue. 5/15

9:02 pm-10:05 am

1 stop15h 03m

$234

San JoseChicago

SJC - MDW

SJCMDW

San Jose

dom. 6/1

12:13 pm-8:53 pm

1 stop6h 40m

Chicago Midway

lun. 6/9

6:25 am-1:40 pm

1 stop9h 15m

$238

San JoseChicago

SJC - ORD

SJCORD

San Jose

jue. 5/29

2:33 pm-8:53 pm

1 stop28h 20m

Chicago O'Hare Intl

jue. 6/5

6:00 am-11:18 am

1 stop7h 18m

$241

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

mié. 6/25

12:50 pm-10:15 pm

1 stop7h 25m

Lambert-St Louis

dom. 6/29

5:30 pm-10:35 pm

1 stop7h 05m

$257

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

mar. 6/17

9:45 am-8:54 pm

2 stops9h 09m

Lambert-St Louis

mar. 6/24

5:37 am-12:23 pm

1 stop8h 46m

$262

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

mié. 5/28

6:08 pm-9:35 am

2 stops13h 27m

Lambert-St Louis

mié. 6/4

7:19 pm-11:41 pm

1 stop6h 22m

$281

San JoseChicago

SJC - MDW

SJCMDW

San Jose

mar. 5/20

10:25 pm-9:40 am

1 stop9h 15m

Chicago Midway

mié. 5/21

1:55 pm-8:31 pm

1 stop8h 36m

$299

San JoseChicago

SJC - ORD

SJCORD

San Jose

mié. 6/4

6:30 am-2:28 pm

1 stop5h 58m

Chicago O'Hare Intl

mié. 6/4

7:15 pm-11:41 pm

1 stop6h 26m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 55 results

...

Best time to book a flight from San Jose to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from San Jose 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 San Jose to Illinois

What is the cheapest month to book a flight from San Jose to Illinois?

Currently, August is the cheapest month in which you can book a flight from San Jose to Illinois (average of $245). Flying from San Jose to Illinois in March is currently the most expensive (average of $321). 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 SJC to IL?

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

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

If weather is an important factor for your trip to Illinois, 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 Illinois

Read through reviews of airlines operating flights from San Jose to Illinois, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,972 reviews

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

9,972 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

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

4,294 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

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

7,934 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,408 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

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

8,696 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

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

What airport do you fly from for flights from San Jose to Illinois?
For a flight from San Jose to Illinois, you will be flying from San Jose. San Jose (SJC) is just 2.9 mi from the center of the city.
What are the cheapest airlines to fly from San Jose to Illinois one-way?
The cheapest airlines for a one-way flight from San Jose to Illinois are Frontier ($97), Spirit Airlines ($116), and Southwest ($124).
What are the most popular routes from San Jose to Illinois?
The most popular route from San Jose to Illinois is San Jose - Chicago O'Hare Intl. You may also consider San Jose - Chicago Midway or San Jose - Lambert-St Louis.
What are the cheapest flights from San Jose to Illinois?
While on average a flight from San Jose to Illinois is generally $963, our data shows the cheapest flight currently is $171. When looking at the most popular route, (San Jose - Chicago O'Hare Intl), you can expect to pay $114 for that flight.
Can I find deals for flights from San Jose to Illinois that include hotel bookings?
Yes. In addition to deals on San Jose to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Jose to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Illinois.
Can I find deals for business class flights from San Jose to Illinois?
Yes. Cheapflights offers flight deals from San Jose to Illinois 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 San Jose to Illinois?
Currently, August is the cheapest month in which you can book a flight from San Jose to Illinois (average of $245). Flying from San Jose to Illinois in March is currently the most expensive (average of $321). 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

Top 7 airlines flying from San Jose to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$98	Average$245	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$134	Average$265	FlexibilityNo cancel fee	On-time65%
Alaska Airlines	Cheapest$197	Average$297	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$212	Average$472	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$234	Average$495	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$501	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$367	Average$503	FlexibilityNo cancel fee	On-time63%

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.

$97+ Cheap flights from San Jose (SJC) to Illinois

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Jose to Illinois with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Jose to Illinois

Keep the following information in mind while searching for San Jose to Illinois flight deals. Data was last updated mayo 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Jose to Illinois

Cheapest flights from San Jose to IllinoisExplore the most affordable flight options available from San Jose to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

Explore the most affordable flight options available from San Jose to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to Illinois that are best for you.

Best time to book a flight from San Jose to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from San Jose with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Illinois

What is the cheapest month to book a flight from San Jose to Illinois?

What is the cheapest time of day to fly from SJC to IL?

Find hourly flight availability from San Jose to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 1, 2025.

Rainfall in Illinois by month

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

Temperature in Illinois by month

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

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from San Jose to Illinois, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from San Jose to Illinois?

What are the cheapest airlines to fly from San Jose to Illinois one-way?

What are the most popular routes from San Jose to Illinois?

What are the cheapest flights from San Jose to Illinois?

Can I find deals for flights from San Jose to Illinois that include hotel bookings?

How can I find direct flights from San Jose to Illinois?

Can I find deals for business class flights from San Jose to Illinois?

What is the cheapest month to book a flight from San Jose to Illinois?

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 San Jose to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San Jose to Illinois

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Jose to Illinois
Explore the most affordable flight options available from San Jose to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.