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San Jose

$85+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJC
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
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 November 21, 2024.

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 November 21, 2024.

This Frontier deal was found by Cheapflights users on 11/20. 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.
Thu 12/57:15 amMDW - SJC
1 stop6h 53mFrontier
Mon 12/162:28 pmSJC - MDW
1 stop7h 45mFrontier
Deal found 11/20$168
This Booking.com deal was found by Cheapflights users on 11/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:25 amORD - SJC
1 stop6h 43mMultiple Airlines
Thu 12/123:56 pmSJC - ORD
1 stop11h 34mMultiple Airlines
Deal found 11/21$169
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/79:10 pmORD - SJC
2 stops17h 17mSpirit Airlines
Sat 12/148:44 pmSJC - ORD
1 stop6h 46mSpirit Airlines
Deal found 11/19$170
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/214:21 pmORD - SJC
1 stop21h 20mFrontier
Sat 12/2811:30 amSJC - ORD
1 stop9h 14mFrontier
Deal found 11/19$184
This CheapOair deal was found by Cheapflights users on 11/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/216:49 pmSTL - SJC
1 stop18h 52mFrontier
Sun 1/512:31 pmSJC - STL
1 stop17h 42mFrontier
Deal found 11/21$218
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Fri 12/61:39 pmSTL - SJC
1 stop6h 11mUnited Airlines
Mon 12/910:55 amSJC - STL
1 stop7h 46mUnited Airlines
Deal found 11/21$226
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/66:46 pmSTL - SJC
1 stop7h 13mDelta
Mon 12/910:10 pmSJC - STL
1 stop9h 12mDelta
Deal found 11/20$276
This Delta deal was found by Cheapflights users on 11/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/182:15 pmMDW - SJC
1 stop8h 52mDelta
Wed 12/256:15 amSJC - MDW
1 stop8h 56mDelta
Deal found 11/21$326
This Delta deal was found by Cheapflights users on 11/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:30 amORD - SJC
1 stop6h 54mDelta
Wed 12/255:55 amSJC - ORD
1 stop5h 56mDelta
Deal found 11/21$326
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/45:17 amSTL - SJC
1 stop7h 36mAmerican Airlines
Tue 12/106:10 amSJC - STL
1 stop7h 05mAmerican Airlines
Deal found 11/21$332
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/185:02 pmMLI - SJC
1 stop8h 04mDelta
Wed 12/255:55 amSJC - MLI
2 stops12h 36mDelta
Deal found 11/20$373
This Mytrip deal was found by Cheapflights users on 11/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:00 pmSTL - SJC
3 stops20h 46mMultiple Airlines
Mon 12/93:56 pmSJC - STL
2 stops21h 25mMultiple Airlines
Deal found 11/21$387

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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Sun 1/5

12:00 pm-1:49 pm

1 stop27h 49m

San Jose

Sun 1/12

1:11 pm-9:06 am

1 stop17h 55m

$152

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Mon 1/20

7:50 am-12:11 pm

1 stop6h 21m

San Jose

Tue 1/21

9:34 pm-5:30 am

1 stop5h 56m

$168

ChicagoSan Jose

MDW - SJC

MDWSJC

Chicago Midway

Thu 12/5

7:15 am-12:08 pm

1 stop6h 53m

San Jose

Mon 12/16

2:28 pm-12:13 am

1 stop7h 45m

$168

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Sat 12/7

9:10 pm-12:27 pm

2 stops17h 17m

San Jose

Sat 12/14

8:44 pm-5:30 am

1 stop6h 46m

$170

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Fri 1/24

7:25 am-12:11 pm

1 stop6h 46m

San Jose

Sun 1/26

1:11 pm-2:11 pm

1 stop23h 00m

$178

ChicagoSan Jose

MDW - SJC

MDWSJC

Chicago Midway

Sun 1/5

10:44 am-9:35 am

2 stops24h 51m

San Jose

Sun 1/12

5:19 pm-8:14 pm

2 stops24h 55m

$211

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Fri 12/6

1:39 pm-5:50 pm

1 stop6h 11m

San Jose

Mon 12/9

10:55 am-8:41 pm

1 stop7h 46m

$226

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Fri 1/10

2:27 pm-6:51 pm

1 stop6h 24m

San Jose

Tue 1/14

6:10 am-4:23 pm

1 stop8h 13m

$236

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Tue 1/21

5:00 pm-11:52 pm

1 stop8h 52m

San Jose

Thu 1/23

6:15 am-4:45 pm

1 stop8h 30m

$252

MolineSan Jose

MLI - SJC

MLISJC

Moline Quad-City

Thu 5/15

6:45 am-11:36 am

1 stop6h 51m

San Jose

Sat 5/24

6:40 am-3:05 pm

1 stop6h 25m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 47 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 November 21, 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.

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 November 21, 2024.

The most flights from USIL to SJC are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, 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 November 21, 2024.
Read reviews from past customers who have flown Spirit Airlines, Frontier and United 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
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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 $85. 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 $609 for a flight from Illinois to San Jose. The cheapest flight overall is $219 while the most popular route, (Chicago O'Hare Intl - San Jose) is currently priced at $148.

  • 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$184FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$138Average$376FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$141Average$246FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$517FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$307Average$513FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$423Average$519FlexibilityNo cancel feeOn-time63%
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