Cheap flights from San Jose to Illinois from $74
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose to Illinois departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from San Jose to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from San Jose is in January. Flight prices, which tend to average around $305, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $355.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from San Jose to Illinois is on a Tuesday when prices can be found for as low as $466. Flights from San Jose to Illinois on a Sunday will generally be more expensive and average around $586. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from San Jose to Illinois during this time can be as low as $433. Flights in the evening are often more expensive with an average ticket price of $569.
What is the cheapest San Jose to Illinois flight route?
Fly from San Jose to Chicago O'Hare Intl for the best San Jose - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from San Jose when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $459 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from San Jose for as low as $358 on momondo.
What cabin class options are available on San Jose to Illinois flights?
There are 4 cabin classes available to choose from on San Jose to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Jose to Illinois?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from San Jose to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Illinois from San Jose according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 8 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Jose to Illinois on average per day?
As of May 2025, 2 flights take off from San Jose and land in Illinois each day. The most common flight departure time for this route is 6:00AM, with 91% of daily flights taking off at noon.
How many flights depart from San Jose to Illinois on average per week?
As of May 2025, 17 flights take off from San Jose and land in Illinois each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
Cheap San Jose to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Jose to Illinois
When did momondo last update prices for flights from San Jose Airport to Illinois?
Prices for flights from San Jose Airport to Illinois are updated daily.
How many operators does momondo search for flights from San Jose Airport to Illinois?
The number of operators available for flights from San Jose Airport to Illinois is 7 as of May 2025.
How old do you have to be to fly from San Jose Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Jose to Illinois?
Based on momondo bookings for flights between San Jose and Illinois, the leading plane model is Boeing 737 MAX 8, making up 17.13% of the total bookings. Other popular models include Airbus A320-100/200 with 10.93%, Airbus A319 with 9.27%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 8.04%.
Best airlines flying from San Jose to Illinois
Compare and see reviews for airlines that fly from San Jose to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 5.9 3,288 reviews | |||
| PriceFrom $134 | Free Cancellation | Rating 6.3 7,967 reviews | |||
| PriceFrom $170 | Free Cancellation | Rating 8.0 9,987 reviews | |||
| PriceFrom $212 | Free Cancellation | Rating 7.4 8,702 reviews | |||
| PriceFrom $234 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,939 reviews | |||
| PriceFrom $367 | Free Cancellation | Rating 8.0 4,292 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Jose to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Jose to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from San Jose to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from San Jose with this policy.
How can momondo help me find flights from San Jose to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Jose to Illinois.
I’m not ready to book a flight from San Jose to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from San Jose are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.