$308 Cheap Flights from Decatur (DEC) to San Jose (SJC)

View $308 flight on Thu, Aug 21, 2025Opens in a new window

Popular airlines from Decatur, IL (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC)

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Cheap Flights from Decatur to San Jose (DEC-SJC)

Prices were available within the past 7 days and start at $308 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alternative airports near San Jose

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $513
SFO
San Francisco Intl.
Cheapest
Average driving time to city center40 min
Flights from $513
Flights from Decatur (DEC) to San Jose (SJC)
Origin airport
Decatur
Destination airport
Norman Y. Mineta San Jose Intl.
Distance
1782 mi

Frequently asked questions

How much does a flight from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
Discover the latest flight deals from DEC to SJC by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DEC to SJC?
The cheapest flights from DEC to SJC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEC to SJC?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEC to SJC. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
You'll need to book a flight with a layover when traveling from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DEC to SJC?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To avoid potential delays on the Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Booking your ticket from DEC to SJC just before your journey is generally more expensive. But if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a DEC to SJC flight and hotel package?
Opting for a DEC to SJC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
If you booked your DEC to SJC flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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