Cheap Flights from Buffalo (BUF) to Decatur (DEC)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Decatur, IL (DEC)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Frequently asked questions

How much is a flight from BUF to DEC?
If you're travelling between Buffalo Niagara Intl. Airport (BUF) and Decatur Airport (DEC), round-trip journeys start from . This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Buffalo Niagara International Airport to Decatur Airport?
This can differ between air carriers, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Buffalo Niagara Intl. Airport (BUF) to DEC that have flexible change policies?
Many airlines offer the option to reschedule your flight without charging a fee. All you pay is the cost difference between the two flights. When searching for Buffalo Niagara International Airport to Decatur Airport flights, you'll find a "No change fees" filter for you to select.
How many hours is the flight from Buffalo Niagara International Airport to DEC?
There are lots of ways to make the 3 hours and 15 minutes between BUF and Decatur Airport (DEC) go by faster. Be productive and sort through your camera roll or delete all those unwanted emails. A nice snooze also helps pass the time!
How far is the flight from Buffalo Niagara Intl. Airport (BUF) to DEC?
With a flight distance of 910 kilometres, it's only a hop from Buffalo Niagara Intl. Airport (BUF) to Decatur Airport (DEC). It might be a quick journey, but it's still worth packing a good book to read.
Which airlines fly direct from BUF to Decatur Airport (DEC)?
Direct flights aren't available, so you'll have to make at least one stop between Buffalo Niagara International Airport and DEC. Make the most of the layover time to stretch your legs and grab a coffee.
Are Buffalo Niagara International Airport to Decatur Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from BUF to Decatur Airport (DEC) at the last minute could save you some serious cash. However, you might miss out on a flight altogether! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

Frequently asked questions

How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
There are approximately 7 connecting flights per day from Buffalo Niagara Intl. (BUF) to Decatur, IL (DEC). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Liberty Intl. (EWR), and O'Hare Intl. (ORD).
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from BUF to DEC. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
For flights from Buffalo Niagara Intl. (BUF) to Decatur (DEC), you'll typically find the most options on a Wednesday, with around 9 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Delta and United Airlines.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Decatur, IL (DEC) are in the morning, from 6am to 9am. About 46% of passengers prefer this time. Many major carriers, including United Airlines and Delta, offer flights during this window. This timing works well for travelers who want to get an early start on their journey.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
Flying from BUF to DEC with a connection usually takes about 5 hours, traveling roughly 567 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
Select the "Business class" and "First class" filters when looking for BUF to DEC flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (DEC)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Decatur, IL (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 ticket 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'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Decatur
Distance
907 km

Explore a world of travel with Expedia

*Available to Expedia members.