$515+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — DEC
Dec 11 — Dec 181
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
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 November 11, 2026.
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 November 11, 2026.
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:04 pm -
1 stop5h 06m
Tue 12/86:57 pm -
1 stop20h 56m
Deal found 11/10![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:26 am -
2 stops8h 44m
Sat 11/289:15 am -
1 stop6h 41m
Deal found 11/6![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:19 pm -
1 stop4h 51m
Sat 11/289:15 am -
1 stop6h 41m
Deal found 11/6![United Airlines logo]()
$546
Best flights from Greenville to DecaturDiscover 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 November 11, 2026.
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 November 11, 2026.
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:04 pm -
1 stop5h 06m
Tue 12/86:57 pm -
1 stop20h 56m
Deal found 11/10![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/710:21 am -
2 stops8h 30m
Sat 4/106:55 pm -
1 stop14h 01m
Deal found 11/7![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:26 am -
2 stops8h 44m
Sat 11/289:15 am -
1 stop6h 41m
Deal found 11/6![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:40 am -
2 stops13h 30m
Sat 11/289:15 am -
1 stop6h 41m
Deal found 11/6![United Airlines logo]()
$535
Last-minute flights from Greenville to DecaturDiscover last-minute flight deals from Greenville to Decatur. Data last updated November 11, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Decatur. Data last updated November 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:26 am -
2 stops8h 44m
Sat 11/289:15 am -
1 stop6h 41m
Deal found 11/6![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:19 pm -
1 stop4h 51m
Sat 11/289:15 am -
1 stop6h 41m
Deal found 11/6![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:04 pm -
1 stop5h 06m
Tue 12/86:57 pm -
1 stop20h 56m
Deal found 11/10![United Airlines logo]()
$515
Find flight deals from Greenville to Decatur
Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Decatur (DEC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 11, 2026.
Round-trip from | $515 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Greenville to Decatur that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 11, 2026.
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
Cheapest round-trip
GreenvilleDecatur
GSP Greenville - DEC Decatur Arpt
GSPDEC
Greenville
Sat 12/5
2:04 pm-6:10 pm
1 stop5h 06m
Decatur Arpt
Tue 12/8
6:57 pm-4:53 pm
1 stop20h 56m
$515
GreenvilleDecatur
GSP Greenville - DEC Decatur Arpt
GSPDEC
Greenville
Wed 4/7
10:21 am-5:51 pm
2 stops8h 30m
Decatur Arpt
Sat 4/10
6:55 pm-9:56 am
1 stop14h 01m
$525
Quickest round-trip
GreenvilleDecatur
GSP Greenville - DEC Decatur Arpt
GSPDEC
Greenville
Sun 11/22
10:26 am-6:10 pm
2 stops8h 44m
Decatur Arpt
Sat 11/28
9:15 am-4:56 pm
1 stop6h 41m
$535
GreenvilleDecatur
GSP Greenville - DEC Decatur Arpt
GSPDEC
Greenville
Mon 11/23
5:40 am-6:10 pm
2 stops13h 30m
Decatur Arpt
Sat 11/28
9:15 am-4:56 pm
1 stop6h 41m
$535
Sorted by cheapest first
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.
GSP-DEC
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.
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.
Traveling to a place near Decatur?
Book flights to Decatur if you plan to visit one of these locationsMattoon
Effingham
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