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

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

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Flights from Decatur (DEC) to San Jose (SJC)
Origin airport
Decatur
Destination airport
Norman Y. Mineta San Jose Intl.
Distance
1782 mi

Decatur to San Jose Flights

The cheapest times to fly from Decatur to San Jose

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Decatur to San Jose are during the month of . You can find some of the cheapest flights from Decatur to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Decatur to San Jose

Sunday is one of the best days to book for cheap flights from Decatur to San Jose: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Decatur to San Jose

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Decatur to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Decatur to San Jose flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Decatur to San Jose airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
Secure a cheap one-way flight or cheap return flight from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Flying in is a great way to save, as it's the cheapest month for flights between DEC and SJC. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Decatur Airport (DEC) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To find the cheapest airline flying from DEC to SJC, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
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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