Flight Details
Departing from:
Greenville-Spartanburg International Airport
Arriving at:
Denver International Airport
Distance:
1278 miles
Southwest® flights from Greenville-Spartanburg to Denver from $135
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1 Passenger
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today
Low fares from Greenville-Spartanburg to Denver
$
Greenville-Spartanburg (GSP)to
Denver (DEN)
Depart: 03/11/2026
One-way
Basic
From
$135
Seen: 15 hrs ago
Greenville-Spartanburg (GSP)to
Denver (DEN)
Depart: 01/21/2026
One-way
Basic
From
$135
Seen: 5 hrs ago
Greenville-Spartanburg (GSP)to
Denver (DEN)
Depart: 01/23/2026
One-way
Basic
From
$135
Seen: 5 hrs ago
Greenville-Spartanburg (GSP)to
Denver (DEN)
Depart: 02/19/2026
One-way
Basic
From
$135
Seen: 13 hrs ago
Greenville-Spartanburg (GSP)to
Denver (DEN)
Depart: 02/20/2026
One-way
Basic
From
$140
Seen: 13 hrs ago
Greenville-Spartanburg (GSP)to
Denver (DEN)
Depart: 03/02/2026
One-way
Basic
From
$156
Seen: 12 hrs ago
Explore flights from Greenville-Spartanburg to Denver
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Route Information
71† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 71 weekly flights from Greenville-Spartanburg to Denver on Southwest Airlines.
To find the lowest fares by day and time to fly Greenville-Spartanburg to Denver with Southwest, check out our Low Fare Calendar.
You can rent a car at Denver International Airport book yours with your flight.
Yes! Flights from Greenville-Spartanburg to Denver—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.