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San Jose

$50+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJC
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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 January 21, 2025.

Round-trip from

$140
(FlightHub)

One-way from

$50
(Trip.com)

Good round-trip deal

$432 or less

Good one-way deal

$217 or less
From Illinois to San Jose
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One-way flight from Illinois to San Jose
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Price to beat on a round-trip flight from Illinois to San Jose.
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Price to beat on a 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 January 21, 2025.

This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:55 pmSTL - SJC
1 stop17h 40mFrontier
Sun 5/412:04 pmSJC - STL
1 stop19h 05mFrontier
Deal found 1/20$140
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Wed 2/1211:35 amORD - SJC
2 stops10h 48mSpirit Airlines
Tue 2/185:40 pmSJC - ORD
1 stop10h 27mSpirit Airlines
Deal found 1/20$175
This Booking.com deal was found by Cheapflights users on 1/20. 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 2/612:43 pmMDW - SJC
1 stop29h 46mFrontier
Sun 2/95:19 pmSJC - MDW
1 stop16h 25mFrontier
Deal found 1/20$180
This Frontier deal was found by Cheapflights users on 1/20. 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 3/146:30 amORD - SJC
1 stop10h 33mFrontier
Sat 3/2211:29 amSJC - ORD
1 stop11h 28mFrontier
Deal found 1/20$180
This FlightHub deal was found by Cheapflights users on 1/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2010:45 pmORD - SJC
1 stop13h 36mMultiple Airlines
Thu 2/271:00 pmSJC - ORD
1 stop14h 00mMultiple Airlines
Deal found 1/19$183
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/193:26 pmMLI - SJC
1 stop8h 03mAmerican Airlines
Wed 3/512:15 pmSJC - MLI
1 stop7h 08mAmerican Airlines
Deal found 1/21$229
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/257:00 amSTL - SJC
1 stop9h 11mAlaska Airlines
Thu 2/271:00 pmSJC - STL
1 stop8h 59mAlaska Airlines
Deal found 1/20$246
This Delta deal was found by Cheapflights users on 1/20. 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.
Mon 3/247:30 pmSTL - SJC
1 stop6h 29mDelta
Mon 3/316:15 amSJC - STL
1 stop8h 37mDelta
Deal found 1/20$257
This United Airlines deal was found by Cheapflights users on 1/21. 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 10/165:30 amSTL - SJC
1 stop6h 26mUnited Airlines
Wed 10/223:35 pmSJC - STL
1 stop5h 43mUnited Airlines
Deal found 1/21$279
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/56:30 amMLI - SJC
1 stop7h 26mUnited Airlines
Sun 2/96:30 amSJC - MLI
1 stop8h 19mUnited Airlines
Deal found 1/21$284
This Kissandfly.com deal was found by Cheapflights users on 1/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/38:44 pmMDW - SJC
2 stops21h 38mMultiple Airlines
Mon 3/109:03 amSJC - MDW
2 stops18h 28mMultiple Airlines
Deal found 1/21$287
This Delta deal was found by Cheapflights users on 1/20. 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 3/182:20 pmORD - SJC
1 stop9h 50mDelta
Tue 3/2511:36 amSJC - ORD
1 stop10h 17mDelta
Deal found 1/20$295

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Thu 5/1

9:55 pm-1:35 pm

1 stop17h 40m

San Jose

Sun 5/4

12:04 pm-9:09 am

1 stop19h 05m

$140

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Wed 2/12

11:35 am-8:23 pm

2 stops10h 48m

San Jose

Tue 2/18

5:40 pm-6:07 am

1 stop10h 27m

$175

ChicagoSan Jose

MDW - SJC

MDWSJC

Chicago Midway

Thu 2/6

12:43 pm-4:29 pm

1 stop29h 46m

San Jose

Sun 2/9

5:19 pm-11:44 am

1 stop16h 25m

$180

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Fri 3/14

6:30 am-3:03 pm

1 stop10h 33m

San Jose

Sat 3/22

11:29 am-12:57 am

1 stop11h 28m

$180

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 2/20

10:45 pm-10:21 am

1 stop13h 36m

San Jose

Thu 2/27

1:00 pm-5:00 am

1 stop14h 00m

$183

MolineSan Jose

MLI - SJC

MLISJC

Moline Quad-City

Wed 2/19

3:26 pm-9:29 pm

1 stop8h 03m

San Jose

Wed 3/5

12:15 pm-9:23 pm

1 stop7h 08m

$229

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Tue 2/25

7:00 am-2:11 pm

1 stop9h 11m

San Jose

Thu 2/27

1:00 pm-11:59 pm

1 stop8h 59m

$246

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Sun 3/2

5:10 am-11:11 am

1 stop8h 01m

San Jose

Sat 3/8

6:10 am-4:33 pm

1 stop8h 23m

$247

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Fri 2/21

6:59 pm-11:52 pm

1 stop6h 53m

San Jose

Mon 3/3

5:10 pm-12:38 am

1 stop5h 28m

$257

MolineSan Jose

MLI - SJC

MLISJC

Moline Quad-City

Wed 2/5

6:30 am-11:56 am

1 stop7h 26m

San Jose

Sun 2/9

6:30 am-4:49 pm

1 stop8h 19m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 46 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 $255). Flying from Illinois to San Jose in June is currently the most expensive (average of $372). 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 January 21, 2025.

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.

Weekly flight availability from Illinois to San Jose

Explore weekly flight availability from Illinois to San Jose. 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 January 21, 2025.

The most flights from USIL to SJC are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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 January 21, 2025.
Read reviews from past customers who have flown United Airlines, Frontier and Spirit Airlines 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
4,662 reviews

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

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
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

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
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

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
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

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
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

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
4,662 reviews

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

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 $50. 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 $407 for a flight from Illinois to San Jose. The cheapest flight overall is $216 while the most popular route, (Chicago O'Hare Intl - San Jose) is currently priced at $129.

  • 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 $255). Flying from Illinois to San Jose in June is currently the most expensive (average of $372). 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 Illinois to San Jose

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$204FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$140Average$376FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$141Average$244FlexibilityNo cancel feeOn-time65%
DeltaCheapest$237Average$361FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$497FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$328Average$528FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$376Average$529FlexibilityNo cancel feeOn-time63%
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