$213 Cheap Flights from Decatur (DEC) to Boise (BOI)

Popular airlines from Decatur, IL (DEC) to Boise Airport (BOI)

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Cheap Flights from Decatur to Boise (DEC-BOI)

Prices were available within the past 7 days and start at $213 for one-way flights and $444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Decatur (DEC) to Boise (BOI)
Origin airport
Decatur
Destination airport
Boise
Roundtrip price
$444
Distance
1427 mi

Decatur to Boise Flights

The cheapest times to fly from Decatur to Boise

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 Boise are during the month of July. You can find some of the cheapest flights from Decatur to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Decatur to Boise

Sunday is one of the best days to book for cheap flights from Decatur to Boise: 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 Boise

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 Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $213 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 Boise 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 Boise 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 Boise Airport (BOI) cost?
Discover the latest flight deals from DEC to BOI 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 BOI?
The cheapest flights from DEC to BOI 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 BOI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEC to BOI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Decatur Airport (DEC) to Boise Airport (BOI)?
You'll need to book a flight with a layover when traveling from Decatur Airport (DEC) to Boise Airport (BOI). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from DEC to BOI?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, airline 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 Boise Airport (BOI)?
Choose a flight from Decatur Airport (DEC) to Boise Airport (BOI) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Boise Airport (BOI) last-minute?
Last-minute bookings from DEC to BOI are usually more expensive. To secure the best rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel plans, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a DEC to BOI flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEC to BOI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Decatur Airport (DEC) to Boise Airport (BOI)?
Typically, you're able to cancel or reschedule your DEC to BOI flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.