$304 Cheap Flights from San Jose (SJC) to Decatur (DEC)

View $304 flight on Tue, Aug 19, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $304 for one-way flights and $471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 20 - Mon, Aug 25
SJC
San Jose
DEC
Decatur
$471 Roundtrip, found 2 days ago
$471
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from San Jose to Decatur, returning Mon, Aug 25, priced at $471 found 2 days ago
United
Wed, Aug 20 - Sat, Aug 23
SJC
San Jose
DEC
Decatur
$472 Roundtrip, found 2 days ago
$472
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from San Jose to Decatur, returning Sat, Aug 23, priced at $472 found 2 days ago
United
Mon, Aug 25 - Sun, Aug 31
SJC
San Jose
DEC
Decatur
$481 Roundtrip, found 2 days ago
$481
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 25 from San Jose to Decatur, returning Sun, Aug 31, priced at $481 found 2 days ago
United
Mon, Aug 25 - Fri, Aug 29
SJC
San Jose
DEC
Decatur
$482 Roundtrip, found 2 days ago
$482
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 25 from San Jose to Decatur, returning Fri, Aug 29, priced at $482 found 2 days ago
United
Mon, Aug 25 - Sat, Aug 30
SJC
San Jose
DEC
Decatur
$487 Roundtrip, found 2 days ago
$487
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 25 from San Jose to Decatur, returning Sat, Aug 30, priced at $487 found 2 days ago
United
Tue, Aug 19 - Mon, Aug 25
SJC
San Jose
DEC
Decatur
$568 Roundtrip, found 2 days ago
$568
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 19 from San Jose to Decatur, returning Mon, Aug 25, priced at $568 found 2 days ago
United
Tue, Aug 19 - Sat, Aug 23
SJC
San Jose
DEC
Decatur
$569 Roundtrip, found 2 days ago
$569
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 19 from San Jose to Decatur, returning Sat, Aug 23, priced at $569 found 2 days ago
United
Tue, Aug 19 - Sun, Aug 31
SJC
San Jose
DEC
Decatur
$578 Roundtrip, found 2 days ago
$578
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 19 from San Jose to Decatur, returning Sun, Aug 31, priced at $578 found 2 days ago
United
Tue, Aug 19 - Tue, Aug 26
SJC
San Jose
DEC
Decatur
$579 Roundtrip, found 2 days ago
$579
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 19 from San Jose to Decatur, returning Tue, Aug 26, priced at $579 found 2 days ago
Alaska Airlines
Fri, Aug 22 - Sun, Aug 24
SJC
San Jose
DEC
Decatur
$876 Roundtrip, found 2 days ago
$876
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Aug 22 from San Jose to Decatur, returning Sun, Aug 24, priced at $876 found 2 days ago
Flights from San Jose (SJC) to Decatur (DEC)
Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Decatur
Roundtrip price
$471
Distance
1782 mi

Frequently asked questions

How much does a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Decatur Airport (DEC) cost?
Discover the latest flight deals from SJC to DEC 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 SJC to DEC?
The cheapest flights from SJC to DEC 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 SJC to DEC?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SJC to DEC. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Decatur Airport (DEC)?
You'll need to hop on a flight with a layover if you're traveling from Norman Y. Mineta San Jose Intl. Airport (SJC) to Decatur Airport (DEC). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SJC to DEC?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier 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 Norman Y. Mineta San Jose Intl. Airport (SJC) to Decatur Airport (DEC)?
Book a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Decatur Airport (DEC) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 Norman Y. Mineta San Jose Intl. Airport (SJC) to Decatur Airport (DEC) last-minute?
Booking your ticket from SJC to DEC right before your journey is usually more expensive. But if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a SJC to DEC flight and hotel package?
Opting for a SJC to DEC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Decatur Airport (DEC)?
If you reserved your SJC to DEC flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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