Cheap flights from Illinois to San Jose from $76
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Jose departing on 6/17. 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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Spirit Airlines flights from Illinois to San Jose
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Frontier flights from Illinois to San Jose
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How to get the cheapest flight ticket from Illinois to San Jose
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 San Jose?
In general, October is the cheapest month to fly from Illinois to San Jose. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel to San Jose during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $369.
What is the cheapest day to depart on your flight to San Jose?
The cheapest day to depart on your flight to San Jose is on a Wednesday when prices can be found for as low as $450. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Jose on Sunday is $588.
What is the cheapest time of day to depart on your flight to San Jose?
Our most recent data shows that the best time of day to fly to San Jose is in the afternoon. Flights from Illinois to San Jose during this time can be as low as $450. In contrast, the most expensive time of day to depart to San Jose is in the morning when prices are around $513.
What is the cheapest Illinois to San Jose flight route?
Fly from Chicago Midway to San Jose for the best Illinois - San Jose flight prices
How far in advance should I book a flight to San Jose?
You are more likely to see cheaper flights to San Jose from Illinois when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to San Jose for around $414 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose from Illinois for as low as $276 on momondo.
What cabin class options are available on Illinois to San Jose flights?
There are 4 cabin classes available to choose from on Illinois to San Jose 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 Illinois to San Jose?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Illinois to San Jose
What airlines fly to San Jose?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to San Jose from Illinois according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to San Jose. Keep in mind that there are 8 different airlines that fly to San Jose on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to San Jose on average per day?
4 flights are operational daily from Illinois to San Jose as of May 2025. The most popular departure time for this route is 8:00AM, with 59% of flights per day taking off at noon.
How many flights depart from Illinois to San Jose on average per week?
As of May 2025, there are 28 flights per week flying from Illinois to San Jose. The most common day of the week flights depart is Mon, with 29% of flights taking off on this day.
Cheap Illinois to San Jose flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to San Jose
When did momondo last update prices for flights from Illinois to San Jose Airport?
Prices for flights from Illinois to San Jose Airport refresh daily.
How many operators does momondo search for flights from Illinois to San Jose Airport?
As of May 2025, there are 7 operators available to choose from for flights from Illinois to San Jose Airport.
How old do you have to be to fly from Illinois to San Jose Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to San Jose Airport.
What documentation or ID do you need to fly to San Jose Airport?
The required travel and health documents for your San Jose Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Jose Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to San Jose?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to San Jose is Boeing 737 MAX 8 (19.25% of total bookings). The next most popular plane models are Airbus A319 (13.07%), Boeing 737-700 Passenger/BBJ1 (winglets) (8.05%), and Airbus A320-100/200 (7.90%).
Best airlines flying from Illinois to San Jose
Compare and see reviews for airlines that fly from Illinois to San Jose with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $90 | Free Cancellation | Rating 5.9 3,288 reviews | |||
| PriceFrom $133 | Free Cancellation | Rating 6.3 7,967 reviews | |||
| PriceFrom $140 | Free Cancellation | Rating 8.0 9,985 reviews | |||
| PriceFrom $273 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 8.0 7,941 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.4 8,701 reviews | |||
| PriceFrom $376 | Free Cancellation | Rating 8.0 4,292 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to San Jose?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Jose from Illinois.
Can I find flights from Illinois to San Jose with flexible booking policies on momondo?
Flights from Illinois to San Jose with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Illinois to San Jose?
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 Illinois to San Jose.
I’m not ready to book a flight from Illinois to San Jose right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Jose, momondo offers a useful price alert feature which will track prices for flights to San Jose from Illinois and alert you when they change.