Cheap Flights from Greenville-Spartanburg to Denver

Compare Greenville-Spartanburg to Denver flight deals

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Flight deals from Greenville-Spartanburg to Denver

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

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

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

Direct flights from Greenville-Spartanburg to Denver

Alternative Greenville-Spartanburg to Denver routes

Looking for the cheapest, fastest or easiest route from Greenville-Spartanburg to Denver? You could fly into the following airports instead.

Greenville to Denver: Flight information

The things to know before you go.
Cheapest flight foundR 1,616
Cheapest month to flyJanuary
Average flight time3 hrs, 49 mins
Most popular airlineUnited
Average flights per week23

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

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Greenville-Spartanburg to Denver is R 4,360. 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 49 minutes is the average flight time from Greenville-Spartanburg to Denver.
United, Air Canada and SkyWest Airlines fly direct from Greenville-Spartanburg to Denver.
As of November 2025, there are 23 flights per week flying from Greenville-Spartanburg to Denver.
The cheapest month to fly from Greenville-Spartanburg to Denver is usually February.
If you're flying from Greenville-Spartanburg Airport, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from R 4,360.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Greenville-Spartanburg Airport to Denver on Sunday, 1 February 2026.
Yes – the average flight time is 3 hours and 49 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 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.
In November, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
Currently, Allegiant Air and United offer the cheapest flight tickets to Denver.

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

  • Hop on a direct flight from Greenville-Spartanburg International Airport to Denver and you'll be in the air for an average of 3 hours 5 minutes.

  • The timezone in Denver is UTC-6. The city is two hours behind Greenville, where Greenville-Spartanburg International Airport is located.

  • With seven weekly departures between the two airports, Greenville-Spartanburg International Airport (GSP) to Denver International Airport (DEN) is the most popular route. Hop on Southwest Airlines's 14:10 flight to get your journey from GSP to DEN underway.

  • Leave enough time to catch your GSP to Denver flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Delays at security and check-in are more likely if you're heading away during high season, so give yourself a little extra breathing room. A good rule for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Direct Greenville-Spartanburg International Airport to Denver tickets are available for booking. Denver International Airport (DEN) is where you'll step off the plane.

  • Book your seat with United Airlines. This well-known carrier offers direct flights from Greenville-Spartanburg International Airport to Denver.

  • GSP is around 16 kilometres from central Greenville. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to arrive, depending on traffic conditions.

  • Planning to catch an early flight from Greenville-Spartanburg International Airport to Denver? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels close to GSP:

  • Of all flights leaving Greenville-Spartanburg International Airport, 79.7% arrive as scheduled at their destination.

  • You'll find GSP at 2000 GPS Drive, Suite 1.

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

  • R 1,613 is the cheapest price we've seen for a one-way Greenville-Spartanburg International Airport to Denver flight. A round-trip ticket right now is R 4,360. Depending on when and how early you book, these fares may change.

  • To score cheap flights from GSP to Denver, reserve your trip five months ahead of your departure date.

  • Plan your trip for September. That's the best month for scoring an epic deal on Greenville-Spartanburg International Airport to Denver tickets. If you're flexible with your travel dates, use the 'Whole month' tool to access the lowest price across each month.

  • You don't need to check back constantly to see if fares have dropped when you set up a Price Alert. We'll update you the moment there's an extra saving on cheap flights from GSP to Denver.

  • Pick your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Greenville-Spartanburg International Airport to Denver by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Denver

Denver International Airport (DEN)

  • The distance from Denver International Airport (DEN) to central Denver is roughly 40 kilometres. It'll take you around 35 minutes to reach the centre driving.

  • When travelling on public transport, expect a journey time of around 1 hour 30 minutes.

  • Jump off your flight from Greenville-Spartanburg International Airport to Denver and be tucked up in your hotel bed soon after. If you want a convenient option that's not too far from DEN, check out Baymont by Wyndham Denver International Airport.

  • Hit the road running by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and experience the lesser-explored corners of Denver and beyond.

  • For the best deal, reserve your ride from Denver International Airport around one week ahead of your flight from GSP to Denver.

  • You'll find DEN at 8500 Pena Boulevard.

Best time to go to Denver

  • Before locking in your flights from Greenville-Spartanburg International Airport to Denver, consider which time of year works best for you. Peak season in Denver offers a lively atmosphere and plenty of things to do, while the low season brings cheaper hotel deals and smaller crowds.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your Greenville-Spartanburg International Airport to Denver flight ticket then if that's the weather you find most pleasant.

  • January sees average temperatures of between -9ºC (16ºF) and 7ºC (45ºF). Look for a cheap ticket from GSP to Denver around that time if you'd rather travel in cooler conditions.

More about Denver

  • Start your Denver trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Greenville-Spartanburg International Airport to Denver, check out our range of accommodation options including:

  • There are so many things to discover in this city it can be hard to work out where to begin. Union Station, Denver Art Museum and Denver Botanic Gardens are major attractions which should be on any well-planned Denver itinerary.

Explore more of United States

  • You've seen Denver, now it's time to explore other parts of United States. Travel about 105 kilometres south to Colorado Springs to check off its popular 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'll have a full itinerary ahead.

  • Pueblo is another favourite destination in United States and is around 161 kilometres south of Denver. No journey is complete without visiting Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo.

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