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San Jose

$65+ Cheap flights from Illinois to San Jose (SJC)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJC
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Illinois to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$138
(CheapOair)

One-way from

$65
(CheapOair)
From Illinois to San Jose
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One-way flight from Illinois to San Jose
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Find flight deals from Illinois to San Jose

Cheapest flights from Illinois to San Jose
Explore the most affordable flight options available from Illinois to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:49 pmSTL - SJC
1 stop17h 51mFrontier
Thu 1/212:40 pmSJC - STL
1 stop17h 33mFrontier
Deal found 12/17$257
This Frontier deal was found by Cheapflights users on 12/17. 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.
Fri 12/206:00 amORD - SJC
1 stop7h 45mFrontier
Sun 1/191:11 pmSJC - ORD
1 stop9h 21mFrontier
Deal found 12/17$324
This Booking.com deal was found by Cheapflights users on 12/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1910:44 amMDW - SJC
1 stop8h 32mFrontier
Wed 1/19:52 pmSJC - MDW
1 stop9h 57mFrontier
Deal found 12/18$338
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/173:26 pmSTL - SJC
1 stop7h 41mDelta
Wed 12/186:35 amSJC - STL
1 stop7h 22mDelta
Deal found 12/17$368
This eDestinos deal was found by Cheapflights users on 12/17. 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.
Wed 12/259:54 pmORD - SJC
1 stop11h 52mSpirit Airlines
Wed 1/19:24 pmSJC - ORD
1 stop12h 41mSpirit Airlines
Deal found 12/17$370
This eDestinos deal was found by Cheapflights users on 12/17. 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.
Wed 12/256:00 amORD - SJC
2 stops29h 35mMultiple Airlines
Wed 1/19:24 pmSJC - ORD
2 stops25h 43mMultiple Airlines
Deal found 12/17$380
This American Airlines deal was found by Cheapflights users on 12/18. 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 12/262:41 pmPIA - SJC
2 stops10h 08mAmerican Airlines
Thu 1/26:10 amSJC - PIA
1 stop6h 58mAmerican Airlines
Deal found 12/18$458
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/275:21 amSTL - SJC
1 stop7h 35mAmerican Airlines
Fri 1/311:55 amSJC - STL
1 stop8h 26mAmerican Airlines
Deal found 12/17$483
This eDestinos deal was found by Cheapflights users on 12/18. 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.
Thu 12/192:31 pmMDW - SJC
2 stops29h 55mMultiple Airlines
Wed 1/15:50 amSJC - MDW
3 stops25h 59mMultiple Airlines
Deal found 12/18$578
This Southwest deal was found by Cheapflights users on 12/16. 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.
Fri 12/272:20 pmMDW - SJC
1 stop7h 35mSouthwest
Mon 1/66:35 amSJC - MDW
2 stops7h 20mSouthwest
Deal found 12/16$684
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/287:04 amSTL - SJC
1 stop8h 25mAlaska Airlines
Fri 1/31:37 pmSJC - STL
1 stop7h 50mAlaska Airlines
Deal found 12/17$696
This United deal was found by Cheapflights users on 12/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:35 amSTL - SJC
2 stops12h 33mUnited Airlines
Wed 1/18:30 amSJC - STL
1 stop5h 58mUnited Airlines
Deal found 12/17$703

Find flights from Illinois to San Jose within your budget

Customize your flight search to find flights from Illinois to San Jose 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Sat 1/11

6:46 pm-12:08 pm

1 stop19h 22m

San Jose

Thu 1/16

5:19 pm-7:31 pm

1 stop24h 12m

$138

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Sat 2/15

10:47 am-10:07 pm

1 stop13h 20m

San Jose

Tue 2/18

9:18 pm-6:07 am

1 stop6h 49m

$186

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 1/16

9:18 pm-8:46 am

1 stop13h 28m

San Jose

Thu 1/23

5:19 pm-7:28 pm

1 stop24h 09m

$188

ChicagoSan Jose

MDW - SJC

MDWSJC

Chicago Midway

Fri 1/31

12:43 pm-4:21 pm

1 stop29h 38m

San Jose

Fri 2/7

1:11 pm-12:17 am

1 stop9h 06m

$195

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Fri 2/7

8:25 pm-4:21 pm

1 stop21h 56m

San Jose

Sun 2/16

1:00 pm-5:05 am

1 stop14h 05m

$202

ChicagoSan Jose

MDW - SJC

MDWSJC

Chicago Midway

Fri 1/17

3:15 pm-3:43 pm

2 stops26h 28m

San Jose

Mon 1/20

2:10 pm-12:17 am

2 stops32h 07m

$211

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Fri 1/17

5:03 am-11:12 am

1 stop8h 09m

San Jose

Tue 1/28

6:10 am-4:23 pm

1 stop8h 13m

$246

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Tue 2/25

2:10 pm-10:12 pm

1 stop10h 02m

San Jose

Tue 3/4

11:45 am-11:56 pm

1 stop10h 11m

$291

PeoriaSan Jose

PIA - SJC

PIASJC

Greater Peoria

Sat 1/18

3:33 pm-9:28 pm

1 stop7h 55m

San Jose

Sat 1/25

6:00 am-7:58 pm

2 stops11h 58m

$293

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Wed 1/29

6:55 pm-7:50 am

1 stop14h 55m

San Jose

Mon 2/3

7:15 pm-2:03 pm

1 stop16h 48m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 44 results
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Best time to book a flight from Illinois to San Jose

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

Travel insights for flights from Illinois to San Jose

Get recent, data-driven insights about flights from Illinois to San Jose including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Illinois to San Jose (average of $251). Flying from Illinois to San Jose in June is currently the most expensive (average of $368). 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 IL to SJC?

Find hourly flight availability from Illinois to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

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

Rainfall in San Jose by month

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

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

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

If weather is an important factor for your trip to San Jose, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown Frontier, American Airlines and Delta from Illinois to San Jose. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

Find useful and relevant information for your journey from Illinois to San Jose. 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 into for flights to San Jose from Illinois?

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

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $65. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Illinois to San Jose for a low price.

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

    The most popular flight routes from Illinois to San Jose are Chicago O'Hare Intl - San Jose, Chicago Midway - San Jose and Lambert-St Louis - San Jose.

  • What are the cheapest flights from Illinois to San Jose?

    On average you can expect to pay $405 for a flight from Illinois to San Jose. The cheapest flight overall is $211 while the most popular route, (Chicago O'Hare Intl - San Jose) is currently priced at $123.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to San Jose 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 Illinois to San Jose?

    Currently, September is the cheapest month in which you can book a flight from Illinois to San Jose (average of $251). Flying from Illinois to San Jose in June is currently the most expensive (average of $368). 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.

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Alternative routes for Illinois to San Jose

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to San Jose

Discover the top 7 airlines that operate flights from Illinois to San Jose. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$200FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$140Average$376FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$141Average$247FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$513FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$307Average$516FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$376Average$478FlexibilityNo cancel feeOn-time63%
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