Cheap Flights from Greenville-Spartanburg to Denver International

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Flight deals from Greenville-Spartanburg to Denver International

Looking for a cheap last-minute deal or the best return flight from Greenville-Spartanburg to Denver International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Greenville-Spartanburg to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Greenville-Spartanburg to Denver International flights are currently cheapest in August.

Direct flights from Greenville-Spartanburg to Denver International

Greenville-Spartanburg to Denver International: Alternative routes

Compare routes from Greenville-Spartanburg to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Greenville to Denver: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 453
Cheapest month to flyAugust
Average flight time3 hrs, 33 mins
Most popular airlineUnited
Average flights per week21

Finding cheap flights from Greenville-Spartanburg to Denver International: Frequently asked questions

The best price we found for a return flight from Greenville-Spartanburg to Denver International is ر.ق.‏ 864. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 33 minutes is the average flight time from Greenville-Spartanburg to Denver International.
United, Air Canada and SkyWest Airlines fly direct from Greenville-Spartanburg to Denver International.
As of June 2025, there are 21 flights per week flying from Greenville-Spartanburg to Denver International.
The cheapest month to fly from Greenville-Spartanburg to Denver International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Greenville-Spartanburg Airport to Denver International Airport on Wednesday, 1 October 2025.
Yes – the average flight time is 3 hours and 33 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and United offer the cheapest flight tickets to Denver International.

Flying from Greenville-Spartanburg International Airport (GSP) to Denver International Airport (DEN): what you need to know

  • Book a direct flight from Greenville-Spartanburg International Airport to Denver International Airport and you'll be in the air for an average of 3 hours 35 minutes.

  • Denver is two hours behind Greenville and is in the UTC-6 timezone.

  • Flights from GSP to DEN start at 08:20 — the first with United Airlines. The latest departure is at 16:40 with United Airlines. In total, you can choose from ten weekly Greenville-Spartanburg International Airport to Denver International Airport flights.

  • Leave plenty of time to make your GSP to DEN flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer lines in popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • Getting to Denver (and then discovering more of United States!) is easy with United Airlines. This popular airline has direct flights from Greenville-Spartanburg International Airport to Denver International Airport.

  • United Airlines tops the list for bookings on this route.

  • United Airlines is the most punctual carrier that offers GSP to DEN flights. A dependable 90.0% of its services on this route arrive as scheduled.

  • Consider adding a stopover when booking your ticket from Greenville-Spartanburg International Airport to Denver International Airport. Just uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here are some options between GSP and DEN:

    • Nashville International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Greenville-Spartanburg International Airport (GSP) to Denver International Airport (DEN)

  • ر.ق.‏ 453 is the best price for a one-way Greenville-Spartanburg International Airport to Denver International Airport flight. Return flights start from ر.ق.‏ 864. These fares can change depending on availability.

  • Score cheap tickets from GSP to DEN by booking ten months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • Plan your trip for September. That's the cheapest month for flights from Greenville-Spartanburg International Airport to Denver International Airport. If your travel dates are flexible, use the 'Whole month' tool to see the lowest airfare across every month.

  • Getting your hands on cheap flights from GSP to DEN couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Tailor your trip using filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Greenville-Spartanburg International Airport to Denver International Airport.

Handy information about Greenville-Spartanburg International Airport (GSP)

  • The address for GSP is 2000 GPS Drive, Suite 1.

  • 79.7% of flights that leave from Greenville-Spartanburg International Airport arrive at their destination on time.

  • Greenville-Spartanburg International Airport is around 27 kilometres from central Greenville. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Searching for a handy hotel close to GSP? If you've booked an early flight from Greenville-Spartanburg International Airport to Denver International Airport, these stays will have you moments from your departure gate:

Arriving at Denver International Airport (DEN)

  • Hop off your Greenville-Spartanburg International Airport to Denver International Airport flight and be snoozing in your hotel bed soon after. If you're searching for a convenient option a short journey from DEN, check out Baymont by Wyndham Denver International Airport.

  • Pick up a Denver International Airport rental car and explore Denver and beyond with your own wheels. Routes Car Rentals, Dollar and Budget are top outlets you can book with here.

  • Get the best deal by reserving your vehicle from Denver International Airport about one week before your travel date.

Getting from Denver International Airport (DEN) to central Denver

  • DEN is located at 8500 Pena Boulevard.

  • Denver International Airport to central Denver has a drive time of around 35 minutes. It's approximately 40 kilometres away.

  • Travelling by public transport will take you around 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • The quietest month for a flight from Greenville-Spartanburg International Airport to Denver International Airport is April, while July is the most popular. Pick the best time to go to Denver based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from Greenville-Spartanburg International Airport to Denver International Airport, think about the type of weather you like. July is the warmest month in Denver, with the temperature ranging from 14ºC to 32ºC.

  • Look for cheap tickets from GSP to DEN in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC and 7ºC on average.

Explore more of United States

  • You've visited Denver, now it's time to explore other corners of United States. Travel around 105 kilometres south to Colorado Springs to tick off its top sights. From US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters to Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA), you've got a jam-packed schedule ahead.

  • Around 13 kilometres east of Denver, Aurora is another favourite stop in United States. Start your sightseeing at Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.