HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Decatur

$348+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — DEC
dic. 20 — dic. 271
sáb. 12/20
sáb. 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Greenville to Decatur with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 noviembre 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$348
(United Airlines)
Provider with most accurate pricing for Greenville-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Decatur Arpt flights.
Search Deals
From Greenville to Decatur Arpt
Search Deals

Find flight deals from Greenville to Decatur

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 noviembre 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
sáb. 1/316:35 amGSP - DEC
1 stop27h 30mUnited Airlines
mié. 2/49:49 amDEC - GSP
1 stop6h 03mUnited Airlines
Deal found 11/19$348

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 2,558,603 searches. Data last updated noviembre 20, 2025.
Use the filters below to find and compare flights from Greenville to Decatur that are best for you.

Fly from

Greenville

Fly to

Decatur

Route

Depart

Return

Price

GreenvilleDecatur

GSP - DEC

GSPDEC

Greenville

sáb. 1/31

6:35 am-9:05 am

1 stop27h 30m

Decatur Arpt

mié. 2/4

9:49 am-4:52 pm

1 stop6h 03m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Compare providers for flights from Greenville to Decatur

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Decatur in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Greenville-Decatur, Illinois flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Greenville-Decatur, Illinois flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Greenville-Decatur, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-Decatur, Illinois flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-Decatur, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Decatur

What is the cheapest month to book a flight from Greenville to Decatur, Illinois?

Currently, May is the cheapest month in which you can book a flight from Greenville to Decatur, Illinois (average of $207). Flying from Greenville to Decatur, Illinois in December is currently the most expensive (average of $467). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

  • How long is the flight from Greenville to Decatur, Illinois?

    A quick flight from Greenville to Decatur, Illinois can take about 27h 30m. United Airlines provides one of the quickest options available for as low as $348. The distance between Greenville and Decatur, Illinois is about 499 mi.

  • 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.

  • What is the cheapest month to book a flight from Greenville to Decatur, Illinois?

    Currently, May is the cheapest month in which you can book a flight from Greenville to Decatur, Illinois (average of $207). Flying from Greenville to Decatur, Illinois in December is currently the most expensive (average of $467). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Greenville to Decatur

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to O'Hare Intl flights
Charlotte to Midway flights
Charleston to O'Hare Intl flights
Savannah to O'Hare Intl flights
Columbia to O'Hare Intl flights
Greenville to O'Hare Intl flights
Charlotte to St. Louis flights
Charleston to Midway flights
Columbia to Midway flights
Myrtle Beach to O'Hare Intl flights
Savannah to Midway flights
Myrtle Beach to Midway flights
Greenville to Midway flights
Charleston to St. Louis flights
Myrtle Beach to St. Louis flights
Columbia to Peoria flights
Savannah to St. Louis flights
Augusta to Moline flights
Charlotte to Moline flights
Charleston to Peoria flights
Columbia to Moline flights
Charlotte to Bloomington flights
Columbia to St. Louis flights
Greenville to St. Louis flights
Augusta to O'Hare Intl flights
Augusta to Midway flights
Greenville to Peoria flights
Charlotte to Evansville flights
Charlotte to Peoria flights
Hilton Head Island to O'Hare Intl flights
Augusta to St. Louis flights
Greenville to Moline flights
Myrtle Beach to Moline flights
Charleston to Evansville flights
Charleston to Moline flights
Greenville to Evansville flights
Hilton Head Island to St. Louis flights
Greenville to Bloomington flights
Augusta to Bloomington flights
Florence to O'Hare Intl flights
Charlotte to Springfield flights
Savannah to Peoria flights
Florence to St. Louis flights
Columbia to Bloomington flights
Myrtle Beach to Peoria flights
Columbia to Springfield flights
Charlotte to Rockford flights
Charleston to Rockford flights
Charlotte to Champaign flights
Columbia to Evansville flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.