What is the cheapest day to fly from Greenville to Decatur, Illinois?

Travelers seeking maximum savings on their Greenville to Decatur, Illinois flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Decatur, Illinois ranges from 1.7 - 4.4 inches per month. June is typically the wettest month, when rainfall can reach 4.4 in. January is typically the driest time to visit Decatur, Illinois when rainfall is around 1.7 in.

If weather is an important factor for your trip to Decatur, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest time of day to fly from GSP to DEC?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Greenville to Decatur, Illinois as you normally would.

Can I find deals for flights from Greenville to Decatur that include hotel bookings?

Yes. In addition to deals on Greenville to Decatur flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Greenville to Decatur?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Decatur.

Can I find deals for business class flights from Greenville to Decatur?

Yes. Cheapflights offers flight deals from Greenville to Decatur by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$412+ Flights from Greenville to Decatur, IL

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Cheap flight deals from Greenville to Decatur

Round-trip from	$412 (United Airlines)

From Greenville to Decatur Arpt

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Find flight deals from Greenville to Decatur

Cheapest flights from Greenville to Decatur
Explore the most affordable flight options available from Greenville to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sat 12/139:10 amGSP - DEC

1 stop9h 42mUnited Airlines

Tue 12/167:08 pmDEC - GSP

1 stop24h 41mUnited Airlines

Deal found 7/2

$412

Best flights from Greenville to Decatur
Discover carefully curated flight deals from Greenville to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 12/139:10 amGSP - DEC

1 stop9h 42mUnited Airlines

Tue 12/167:08 pmDEC - GSP

1 stop24h 41mUnited Airlines

Deal found 7/2

$412

Last-minute flights from Greenville to Decatur
Discover last-minute flight deals from Greenville to Decatur. Data last updated July 3, 2025 and is based on user searches.

Tue 8/265:34 pmGSP - DEC

1 stop25h 25mUnited Airlines

Sat 8/309:30 amDEC - GSP

2 stops32h 22mUnited Airlines

Deal found 6/30

$429

Cheapflights Fare Finder

Use the filters below to find and compare flights from Greenville to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleDecatur

GSP - DEC

GSPDEC

Greenville

Sat 12/13

9:10 am-5:52 pm

1 stop9h 42m

Decatur Arpt

Tue 12/16

7:08 pm-8:49 pm

1 stop24h 41m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Greenville to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Greenville with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Decatur

See what other customers who have flown with United Airlines from Greenville to Decatur have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Can I find deals for flights from Greenville to Decatur that include hotel bookings?
Yes. In addition to deals on Greenville to Decatur flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Greenville to Decatur?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Decatur.
Can I find deals for business class flights from Greenville to Decatur?
Yes. Cheapflights offers flight deals from Greenville to Decatur by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Mattoon

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$412+ Cheap flights from Greenville to Decatur, IL (GSP - DEC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greenville to Decatur with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Greenville to Decatur

Round-trip from

Find flight deals from Greenville to Decatur

Cheapest flights from Greenville to DecaturExplore the most affordable flight options available from Greenville to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Greenville to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Greenville to Decatur that are best for you.

Best time to book a flight from Greenville to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Greenville with our price prediction graph.

Reviews of airlines servicing Decatur

See what other customers who have flown with United Airlines from Greenville to Decatur have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Greenville to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Greenville to Decatur that include hotel bookings?

How can I find direct flights from Greenville to Decatur?

Can I find deals for business class flights from Greenville to Decatur?

Traveling to a place near Greenville?

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Alternative routes for Greenville to Decatur

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Cheapest flights from Greenville to Decatur
Explore the most affordable flight options available from Greenville to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.