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$116+ Cheap flights from Greenville to Denver (GSP - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — DEN
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Find cheap flights from Greenville to Denver 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

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Cheapflights Tip: The best prices from Greenville to Denver Intl are usually found in November or January, booked 90 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Greenville to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Denver (DEN). 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 January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(Kiwi.com)

One-way from

$116
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$348

Good round-trip deal

$329 or less

Good one-way deal

$259 or less
Provider with most accurate pricing for Greenville-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Denver Intl flights.
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From Greenville to Denver Intl
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One-way flight from Greenville to Denver Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Greenville to Denver Intl.
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Price to beat on a one-way flight from Greenville to Denver Intl.
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Find flight deals from Greenville to Denver

Cheapest flights from Greenville to Denver
Explore the most affordable flight options available from Greenville to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/69:49 pm
GSP
-
DEN
1 stop20h 08m
Multiple Airlines
Sat 2/1411:59 pm
DEN
-
GSP
1 stop12h 48m
Multiple Airlines
Deal found 1/15$237
This United Airlines deal was found by Cheapflights users on 1/16. 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 2/84:15 pm
GSP
-
DEN
Nonstop3h 56m
United Airlines
Sat 2/1410:05 am
DEN
-
GSP
Nonstop3h 10m
United Airlines
Deal found 1/16$249
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Tue 4/74:10 pm
GSP
-
DEN
Nonstop3h 39m
United Airlines
Sat 4/116:00 am
DEN
-
GSP
1 stop6h 12m
United Airlines
Deal found 1/14$259
This United Airlines deal was found by Cheapflights users on 1/15. 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 5/94:00 pm
GSP
-
DEN
Nonstop3h 44m
United Airlines
Sat 5/1610:02 am
DEN
-
GSP
Nonstop3h 08m
United Airlines
Deal found 1/15$268
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:40 am
GSP
-
DEN
1 stop6h 00m
Delta
Wed 2/1812:59 am
DEN
-
GSP
1 stop6h 06m
Delta
Deal found 1/15$269
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:45 pm
GSP
-
DEN
2 stops39h 17m
Multiple Airlines
Sat 2/147:00 am
DEN
-
GSP
1 stop29h 14m
Multiple Airlines
Deal found 1/16$272
This Southwest deal was found by Cheapflights users on 1/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:05 am
GSP
-
DEN
2 stops11h 15m
Southwest
Sun 3/17:00 am
DEN
-
GSP
1 stop6h 35m
Southwest
Deal found 1/14$274
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Fri 2/64:15 pm
GSP
-
DEN
Nonstop3h 56m
United Airlines
Sat 2/1410:05 am
DEN
-
GSP
Nonstop3h 10m
United Airlines
Deal found 1/15$279
This Southwest deal was found by Cheapflights users on 1/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:05 am
GSP
-
DEN
2 stops11h 15m
Southwest
Tue 3/1711:30 am
DEN
-
GSP
2 stops7h 00m
Southwest
Deal found 1/15$280
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:17 pm
GSP
-
DEN
2 stops42h 40m
Multiple Airlines
Fri 2/276:00 am
DEN
-
GSP
1 stop12h 07m
Multiple Airlines
Deal found 1/15$281

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Denver 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 January 16, 2026.
Use the filters below to find and compare flights from Greenville to Denver that are best for you.

Fly from

Greenville

Fly to

Denver

Route

Depart

Return

Price

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Sun 2/8

4:15 pm-6:11 pm

Nonstop3h 56m

Denver Intl

Sat 2/14

10:05 am-3:15 pm

Nonstop3h 10m

$249

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Wed 4/8

4:10 pm-5:49 pm

Nonstop3h 39m

Denver Intl

Wed 4/15

6:00 am-2:12 pm

1 stop6h 12m

$259

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Wed 4/8

1:55 pm-9:30 pm

1 stop9h 35m

Denver Intl

Wed 4/15

5:15 am-1:10 pm

1 stop5h 55m

$269

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Sat 2/14

3:58 pm-8:14 pm

1 stop6h 16m

Denver Intl

Sat 2/21

8:00 am-3:36 pm

1 stop5h 36m

$269

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Thu 4/16

7:59 pm-12:26 am

1 stop6h 27m

Denver Intl

Tue 4/21

12:55 am-10:26 am

1 stop7h 31m

$269

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Mon 3/23

5:32 pm-9:55 pm

1 stop6h 23m

Denver Intl

Sat 3/28

11:59 pm-9:58 am

1 stop7h 59m

$269

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Mon 2/16

4:25 pm-11:35 pm

2 stops9h 10m

Denver Intl

Thu 2/19

5:30 am-11:55 am

1 stop4h 25m

$290

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Tue 5/5

5:10 pm-10:05 pm

2 stops6h 55m

Denver Intl

Mon 5/11

5:20 am-12:00 pm

1 stop4h 40m

$290

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Mon 3/23

1:55 pm-7:50 pm

2 stops7h 55m

Denver Intl

Sat 3/28

5:10 am-12:00 pm

1 stop4h 50m

$290

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Mon 2/16

4:25 pm-11:55 pm

1 stop9h 30m

Denver Intl

Fri 2/20

5:30 am-3:35 pm

1 stop8h 05m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 18 results
1
2

Compare providers for flights from Greenville to Denver

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 Denver in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Greenville-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Greenville-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-Denver 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-Denver 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 Denver

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

How far ahead should I book a flight from Greenville to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Greenville to Denver. Price data was last updated on January 9, 2026.

To ensure you get the cheapest price possible for a flight from Greenville to Denver, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Greenville to Denver?

Currently, January is the cheapest month in which you can book a flight from Greenville to Denver (average of $71). Flying from Greenville to Denver in May is currently the most expensive (average of $131). 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.

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

Find hourly flight availability from Greenville to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2026.

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

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated January 16, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Greenville to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,260 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,260 reviews
Southwest
8.0
Very good
4,260 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,053 reviews
Southwest
8.0
Very good
4,260 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,163 reviews
Southwest
8.0
Very good
4,260 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,137 reviews
Southwest
8.0
Very good
4,260 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Allegiant Air
7.2
Good
702 reviews
Southwest
8.0
Very good
4,260 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • What airports do I use to fly from Greenville to Denver?

    To fly from Greenville to Denver, you need to book a flight from Greenville (GSP) to Denver Intl (DEN). Nonstop flights to Denver Intl from Greenville take 3h 36m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Greenville to Denver Intl offered by 5 different airlines.

  • How popular is this Greenville to Denver flight route?

    Flights from Greenville to Denver Intl have been viewed 17 times in the past calendar month.

  • How long is the flight from Greenville to Denver?

    There are many flights that can get you from Greenville to Denver in 3h 56m. Fly via United Airlines, Southwest, or American Airlines to get the fastest option. Greenville and Denver are separated by a distance of 1275 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Greenville to Denver round-trip?

    Flying on Allegiant Air is currently your cheapest option to Denver, with prices starting at $75. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $218 and $250, respectively. You may be able to fly from Greenville to Denver for 80% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Greenville to Denver one-way?

    The cheapest airlines for a one-way flight from Greenville to Denver are Southwest ($118), American Airlines ($134), and Delta ($134).

  • What are the most reliable airlines from Greenville to Denver?

    No one likes to see their flight delayed. When booking a flight from Greenville to Denver consider choosing United Airlines (95%), Air Canada (88%) or SkyWest Airlines (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Greenville to Denver?

    On average you can expect to pay $400 for a flight from Greenville to Denver. The cheapest flight overall is $158 while the most popular route, (Greenville - Denver Intl) is currently priced at $237.

  • Where are the most common layover locations when flying from Greenville to Denver?

    Most of the time, Greenville to Denver flights that have layovers will stop in Atlanta.

  • What are some popular things to do or see while on a layover in Atlanta?

    Atlanta travelers tend to visit Georgia Aquarium, Fox Theatre, and Centennial Olympic Park more than anywhere else. Georgia Aquarium, Fox Theatre and Centennial Olympic Park are located about 8.6 mi, 9.3 mi, and 8.4 mi, respectively from Atlanta Hartsfield-Jackson if you are interested in checking them out. Those landing in Atlanta looking to spend some time exploring during their layover can rent a car for about $52 per day.

  • Where are the least popular layover locations for Greenville to Denver flights?

    Greenville to Denver flights that have layovers will least frequently stop in Charlotte.

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

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

  • How can I find direct flights from Greenville to Denver?

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

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

    Yes. Cheapflights offers flight deals from Greenville to Denver 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 Denver?

    Currently, January is the cheapest month in which you can book a flight from Greenville to Denver (average of $71). Flying from Greenville to Denver in May is currently the most expensive (average of $131). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Greeley
Lone Tree
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Centennial
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
Idaho Springs

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Alternative routes for Greenville to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Greenville to Denver

Discover the top 5 airlines that operate flights from Greenville to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$75Average$286FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$218Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$250Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$259Average$329FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$268Average$396FlexibilityNo cancel feeOn-time63%

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