HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$114+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — DEN
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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

Cheap 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 February 18, 2026.

This Southwest deal was found by Cheapflights users on 2/17. 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.
Wed 3/111:50 pm
GSP
-
DEN
1 stop7h 30m
Southwest
Tue 3/175:05 am
DEN
-
GSP
1 stop4h 55m
Southwest
Deal found 2/17$237
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/214:13 pm
GSP
-
DEN
Nonstop3h 49m
United Airlines
Sat 3/2810:05 am
DEN
-
GSP
Nonstop2h 56m
United Airlines
Deal found 2/14$239
This United Airlines deal was found by Cheapflights users on 2/15. 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 8/74:20 pm
GSP
-
DEN
Nonstop3h 41m
United Airlines
Mon 8/1011:59 pm
DEN
-
GSP
1 stop7h 50m
United Airlines
Deal found 2/15$249
This Southwest deal was found by Cheapflights users on 2/17. 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 4/71:55 pm
GSP
-
DEN
1 stop9h 35m
Southwest
Tue 4/215:55 am
DEN
-
GSP
2 stops8h 25m
Southwest
Deal found 2/17$252
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Fri 7/314:20 pm
GSP
-
DEN
Nonstop3h 41m
United Airlines
Fri 8/710:00 am
DEN
-
GSP
Nonstop3h 06m
United Airlines
Deal found 2/14$255
This Southwest deal was found by Cheapflights users on 2/15. 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.
Wed 5/135:10 pm
GSP
-
DEN
1 stop7h 30m
Southwest
Sun 5/175:20 am
DEN
-
GSP
1 stop4h 30m
Southwest
Deal found 2/15$257
This Delta deal was found by Cheapflights users on 2/17. 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.
Sat 5/911:40 am
GSP
-
DEN
1 stop7h 36m
Delta
Fri 5/154:40 pm
DEN
-
GSP
1 stop5h 13m
Delta
Deal found 2/17$259
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/284:13 pm
GSP
-
DEN
Nonstop3h 49m
United Airlines
Wed 4/16:00 am
DEN
-
GSP
1 stop6h 12m
United Airlines
Deal found 2/15$265
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Wed 7/84:20 pm
GSP
-
DEN
Nonstop3h 41m
United Airlines
Wed 7/1510:00 am
DEN
-
GSP
Nonstop3h 06m
United Airlines
Deal found 2/16$268

Find 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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Southwest)

One-way from

$114
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$436

Good round-trip deal

$329 or less

Good one-way deal

$201 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.
Search Deals
From Greenville to Denver Intl
Search Deals
One-way flight from Greenville to Denver Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 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 February 2026
Search Deals
Price to beat on a round-trip flight from Greenville to Denver Intl.
Search Deals
Price to beat on a one-way flight from Greenville to Denver Intl.
Search Deals

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 February 18, 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

Tue 4/7

4:10 pm-5:49 pm

Nonstop3h 39m

Denver Intl

Tue 4/21

10:05 am-3:09 pm

Nonstop3h 04m

$239

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Fri 8/7

4:20 pm-6:01 pm

Nonstop3h 41m

Denver Intl

Mon 8/10

11:59 pm-9:49 am

1 stop7h 50m

$249

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Fri 7/31

7:42 pm-12:22 am

1 stop6h 40m

Denver Intl

Fri 8/7

10:00 am-3:06 pm

Nonstop3h 06m

$249

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Fri 4/10

4:10 pm-5:49 pm

Nonstop3h 39m

Denver Intl

Tue 4/14

6:00 am-2:12 pm

1 stop6h 12m

$249

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Sat 4/25

4:10 pm-5:49 pm

Nonstop3h 39m

Denver Intl

Sat 5/2

7:32 am-4:57 pm

1 stop7h 25m

$249

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Wed 7/22

4:20 pm-6:01 pm

Nonstop3h 41m

Denver Intl

Tue 7/28

6:00 am-2:20 pm

1 stop6h 20m

$249

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Wed 5/13

5:10 pm-10:40 pm

1 stop7h 30m

Denver Intl

Sun 5/17

5:20 am-11:50 am

1 stop4h 30m

$257

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Mon 5/4

7:59 pm-12:36 am

1 stop6h 37m

Denver Intl

Sat 5/9

6:05 am-2:14 pm

1 stop6h 09m

$259

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Mon 3/30

6:45 pm-1:07 pm

2 stops44h 22m

$114

GreenvilleDenver

GSP - DEN

GSPDEN

Greenville

Wed 3/11

1:50 pm-9:05 pm

1 stop9h 15m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 17 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Denver flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 13, 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 $69). 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 February 18, 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 February 18, 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
4,294 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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
8,208 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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
9,312 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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
11,304 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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
711 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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 is 1 outbound flight from Greenville to Denver Intl offered by 4 different airlines.

  • How popular is this Greenville to Denver flight route?

    Flights from Greenville to Denver Intl have been viewed 20 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 39m. Fly via United Airlines to get the fastest option. Greenville and Denver are separated by a distance of 1275 mi. All flights are typically nonstop.

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

    Flying on American Airlines is currently your cheapest option to Denver, with prices starting at $218. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $249 and $258, respectively. You may be able to fly from Greenville to Denver for 43% 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 Air Canada (82%), SkyWest Airlines (82%) or United Airlines (82%) 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 $372 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 $239.

  • 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 $69). 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
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

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.

Top 4 airlines flying from Greenville to Denver

Discover the top 4 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$409FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$336FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$268Average$394FlexibilityNo cancel feeOn-time63%

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.