
Spartanburg Greenville Airport, officially known as Greenville-Spartanburg International Airport (GSP), serves as a vital transportation hub for the Upstate South Carolina region. Located in Greer, South Carolina, GSP offers a convenient gateway for both domestic and international travelers. When considering what airlines fly out of Spartanburg Greenville Airport, passengers can expect a variety of options catering to different travel needs. Major carriers such as Delta Air Lines, American Airlines, and United Airlines operate regular flights, connecting the region to key destinations like Atlanta, Charlotte, and Chicago. Additionally, low-cost carriers like Allegiant Air provide affordable options to leisure destinations. Whether for business or pleasure, GSP’s diverse airline offerings ensure travelers have multiple choices for their journeys.
| Characteristics | Values |
|---|---|
| Airport Name | Greenville-Spartanburg International Airport (GSP) |
| Location | Greer, South Carolina, USA |
| Airlines Operating | Delta Air Lines, American Airlines, United Airlines, Allegiant Air |
| Destinations (Delta) | Atlanta (ATL) |
| Destinations (American) | Charlotte (CLT), Dallas/Fort Worth (DFW), Washington–National (DCA) |
| Destinations (United) | Chicago–O'Hare (ORD), Newark (EWR) |
| Destinations (Allegiant) | Seasonal destinations including Orlando/Sanford (SFB), St. Pete–Clearwater (PIE), and others |
| Terminals | Single terminal with two concourses (A and B) |
| Runways | 2 runways (10,000 ft and 8,000 ft) |
| Annual Passengers | Approximately 2.2 million (pre-pandemic) |
| IATA Code | GSP |
| ICAO Code | KGSP |
| Website | www.gspairport.com |
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What You'll Learn

Major Airlines Serving GSP
The Greenville-Spartanburg International Airport (GSP) serves as a vital transportation hub for the Upstate region of South Carolina, offering a range of domestic flights to various destinations across the United States. Several major airlines operate out of GSP, providing passengers with convenient travel options. One of the key carriers is Delta Air Lines, which offers multiple daily flights to its hub in Atlanta (ATL). This connection is particularly valuable for travelers looking to access Delta’s extensive global network, making GSP a strategic starting point for both domestic and international journeys. Delta’s presence at GSP ensures that passengers can easily connect to major cities and beyond with minimal hassle.
Another major airline serving GSP is American Airlines, which operates flights to its hub in Charlotte (CLT). This route is highly popular among business and leisure travelers alike, as Charlotte serves as a major gateway for American’s domestic and international flights. The frequency of American Airlines flights from GSP provides flexibility for passengers, allowing them to plan trips that align with their schedules. Additionally, American’s partnership with other carriers through its Oneworld alliance further enhances connectivity for travelers flying out of Greenville-Spartanburg.
United Airlines also plays a significant role at GSP, offering flights to its hub in Washington Dulles (IAD). This route is particularly advantageous for travelers heading to the nation’s capital or connecting to United’s extensive network of domestic and international destinations. United’s presence at GSP ensures that passengers have access to a wide range of travel options, whether for business or leisure. The airline’s commitment to providing reliable service makes it a preferred choice for many travelers in the region.
For those seeking low-cost travel options, Southwest Airlines is a major player at GSP, offering flights to several destinations, including Baltimore (BWI), Chicago Midway (MDW), and Orlando (MCO). Southwest’s no-fee policy for checked bags and its customer-friendly approach make it a popular choice among budget-conscious travelers. The airline’s expanding presence at GSP has increased competition, leading to more affordable fares and improved service for passengers.
Lastly, Allegiant Air provides additional options for travelers flying out of GSP, focusing on leisure destinations such as Florida and other popular vacation spots. While Allegiant operates on a seasonal and limited schedule compared to the larger carriers, it offers an attractive alternative for those planning trips to specific locations. The airline’s focus on point-to-point routes ensures that passengers can reach their destinations without the need for layovers, adding convenience to their travel experience.
In summary, GSP is well-served by major airlines such as Delta, American, United, Southwest, and Allegiant, each offering unique routes and services tailored to different traveler needs. Whether you’re planning a business trip, a family vacation, or a quick getaway, these airlines provide ample options to connect you to your desired destination efficiently and affordably.
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Domestic Flight Destinations
The Greenville-Spartanburg International Airport (GSP) serves as a convenient gateway for travelers in the Upstate South Carolina region, offering a range of domestic flight destinations across the United States. Several major airlines operate out of GSP, providing passengers with numerous options for both business and leisure travel. When considering domestic flights, travelers can expect a variety of routes to key cities and hubs, ensuring connectivity to almost any destination within the country.
Major Airlines and Their Destinations
American Airlines, Delta Air Lines, and United Airlines are the primary carriers at GSP, each offering multiple daily flights to their respective hubs. American Airlines connects passengers to Charlotte Douglas International Airport (CLT), a major hub with extensive domestic and international routes. From CLT, travelers can easily reach destinations such as New York, Los Angeles, Chicago, and Miami. Delta Air Lines operates flights to Hartsfield-Jackson Atlanta International Airport (ATL), another significant hub that provides access to cities like Boston, San Francisco, Seattle, and Orlando. United Airlines, on the other hand, offers flights to Washington Dulles International Airport (IAD) and Chicago O'Hare International Airport (ORD), enabling connections to destinations such as Denver, Houston, and Newark.
Direct and Connecting Flights
While many domestic destinations from GSP require a layover, some airlines offer direct flights to popular cities. For instance, Allegiant Air provides non-stop service to leisure destinations like Orlando, Tampa, and Fort Lauderdale, ideal for vacationers seeking sun and sand. Additionally, seasonal routes may be available during peak travel times, such as direct flights to destinations like Denver or Las Vegas. For most other domestic locations, travelers will connect through hubs like CLT, ATL, or ORD, where they can access a broader network of flights.
Regional and Business Travel
GSP also caters to regional and business travelers with flights to nearby cities. For example, American Airlines offers direct flights to Washington, D.C. (Reagan National Airport), a key destination for government and corporate travelers. Similarly, Delta provides service to Detroit and Minneapolis, connecting passengers to major business centers in the Midwest. These routes are particularly useful for professionals seeking efficient travel options without the need for lengthy layovers.
Leisure Destinations and Seasonal Routes
For leisure travelers, GSP provides access to a variety of vacation spots. Direct flights to Florida destinations like Orlando and Tampa are popular year-round, while seasonal routes may include cities like New Orleans or Nashville, known for their cultural attractions. During the winter months, travelers can also find connections to ski destinations in Colorado or Utah via hubs like Denver or Chicago. This flexibility ensures that GSP meets the diverse needs of both business and leisure travelers.
Tips for Booking Domestic Flights
When planning domestic travel from GSP, it’s advisable to book in advance to secure the best fares and preferred routes. Travelers should also consider the advantages of connecting through major hubs, as these often provide more frequent flight options and better availability. Additionally, checking for seasonal routes or promotions from airlines like Allegiant Air can yield cost-effective travel solutions. By leveraging the services of the airlines operating out of GSP, passengers can efficiently reach their desired domestic destinations with minimal hassle.
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International Routes Available
Spartanburg Greenville Airport (GSP), officially known as Greenville-Spartanburg International Airport, serves as a convenient gateway for travelers in the Upstate South Carolina region. While it primarily handles domestic flights, several airlines operating out of GSP offer international routes through connecting flights. These connections provide passengers with access to a wide range of global destinations, making international travel from this regional airport both feasible and efficient.
One of the key airlines facilitating international travel from GSP is American Airlines. Through its hub in Charlotte Douglas International Airport (CLT), American Airlines connects passengers to numerous international destinations. Popular routes include flights to Europe, such as London, Paris, and Frankfurt, as well as to Latin America, with cities like Mexico City, São Paulo, and Buenos Aires. Travelers can book a single ticket that includes the domestic leg from GSP to CLT and the subsequent international flight, ensuring a seamless travel experience.
Delta Air Lines is another major carrier offering international connections from GSP. Via its hub at Hartsfield-Jackson Atlanta International Airport (ATL), Delta provides access to an extensive global network. Passengers can fly to Asian destinations like Tokyo, Seoul, and Shanghai, or explore African cities such as Nairobi and Accra. Additionally, Delta’s routes to the Middle East, including Dubai and Tel Aviv, are popular choices for both business and leisure travelers. The airline’s codeshare agreements with partner carriers further expand the range of international destinations available.
United Airlines also plays a significant role in connecting GSP passengers to international routes. Through its hubs in Chicago O’Hare (ORD) and Newark Liberty (EWR), United offers flights to Europe, Asia, and beyond. Notable destinations include London, Delhi, Sydney, and Rio de Janeiro. United’s MileagePlus program allows frequent flyers to earn and redeem miles on international routes, adding value to the travel experience. The airline’s focus on customer service and modern amenities ensures a comfortable journey for international travelers.
For those seeking budget-friendly international travel options, Spirit Airlines provides connections through its hubs in Orlando (MCO) and Fort Lauderdale (FLL). While Spirit primarily focuses on the Caribbean and Latin America, passengers can access destinations like Cancun, Santo Domingo, and Bogotá. The airline’s no-frills approach keeps costs low, making it an attractive option for budget-conscious travelers. However, passengers should be aware of additional fees for baggage and seat selection when planning their international trips.
In summary, while Spartanburg Greenville Airport does not offer direct international flights, its partnerships with major airlines like American, Delta, United, and Spirit ensure that passengers can easily connect to a vast array of global destinations. By leveraging these airlines’ hubs and networks, travelers from the Upstate region can explore the world with convenience and efficiency. Whether for business or leisure, the international routes available through GSP open up endless possibilities for global travel.
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Low-Cost Carriers at GSP
The Greenville-Spartanburg International Airport (GSP) serves as a convenient gateway for travelers in the Upstate South Carolina region, offering a range of flight options, including several low-cost carriers. These airlines provide budget-friendly alternatives for passengers looking to save on airfare without compromising on essential services. Among the low-cost carriers operating at GSP, Allegiant Air stands out as a prominent option. Allegiant Air specializes in connecting smaller markets to popular vacation destinations, offering seasonal and year-round flights to leisure-focused cities like Orlando, St. Petersburg/Clearwater, and Fort Lauderdale. Their business model emphasizes affordability, with base fares often significantly lower than those of traditional airlines, though additional fees may apply for extras like checked bags or seat selection.
Another key low-cost carrier at GSP is Spirit Airlines, known for its ultra-low-cost approach. Spirit operates flights to major hubs such as Atlanta, Dallas/Fort Worth, and Chicago, as well as leisure destinations like Miami and Las Vegas. While their base fares are highly competitive, Spirit charges fees for additional services, including carry-on and checked baggage, seat assignments, and in-flight refreshments. Travelers who pack light and forgo extras can benefit significantly from Spirit’s pricing structure, making it an attractive option for budget-conscious flyers.
Frontier Airlines is also a notable low-cost carrier serving GSP, offering flights to destinations like Denver, Philadelphia, and Tampa. Frontier’s model is similar to Spirit’s, with low base fares and additional fees for services like baggage and seat selection. However, Frontier distinguishes itself with its "Bundle It" option, which allows passengers to purchase a package that includes a carry-on bag, checked bag, and seat selection at a discounted rate compared to buying each item separately. This flexibility appeals to travelers who want to save money while still enjoying some conveniences.
For those seeking international low-cost options, Volaris provides service to Guadalajara, Mexico, catering to the region’s Hispanic population and travelers looking for affordable international flights. Volaris operates on a similar ultra-low-cost model, with base fares that are often lower than traditional carriers but with additional fees for extras. This makes it an excellent choice for passengers traveling light and prioritizing affordability.
In summary, GSP offers a variety of low-cost carrier options, including Allegiant Air, Spirit Airlines, Frontier Airlines, and Volaris, each catering to different travel needs and preferences. By understanding their pricing models and fee structures, travelers can maximize savings while enjoying convenient access to both domestic and international destinations. Whether planning a vacation or a quick getaway, these low-cost carriers make flying from Greenville-Spartanburg more accessible and affordable.
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Frequent Flyer Programs Offered
The Greenville-Spartanburg International Airport (GSP) serves as a convenient gateway for travelers in the Upstate South Carolina region, offering flights to various destinations across the United States. Several major airlines operate out of GSP, each providing its own frequent flyer program to reward loyal customers. These programs are designed to enhance the travel experience by offering benefits such as mileage accumulation, priority boarding, and exclusive perks. Below is a detailed look at the frequent flyer programs offered by the airlines operating out of Greenville-Spartanburg International Airport.
Delta Air Lines operates numerous flights from GSP, connecting passengers to its extensive network via hubs like Atlanta. Delta’s frequent flyer program, SkyMiles, is one of the most popular in the industry. Members earn miles based on the distance flown and fare class, which can be redeemed for free flights, upgrades, and other rewards. SkyMiles offers multiple tiers—Silver, Gold, Platinum, and Diamond—each with increasing benefits such as priority boarding, complimentary upgrades, and waived fees. Travelers flying Delta from GSP can easily accumulate miles and enjoy perks tailored to their travel frequency.
American Airlines is another major carrier at GSP, providing flights to its hubs like Charlotte and beyond. Its frequent flyer program, AAdvantage, allows members to earn miles for every dollar spent on eligible flights. These miles can be used for award flights, seat upgrades, and even vacation packages. AAdvantage also features elite tiers—Gold, Platinum, Platinum Pro, and Executive Platinum—offering benefits like free checked bags, preferred seating, and lounge access. Frequent flyers on American Airlines from GSP can maximize their travel experience by leveraging these rewards.
United Airlines connects GSP passengers to its hubs such as Chicago and Washington, D.C., through its extensive route network. The airline’s frequent flyer program, MileagePlus, enables members to earn miles based on ticket price, which can be redeemed for flights, upgrades, and partner rewards. MileagePlus includes elite status levels—Premier Silver, Gold, Platinum, and 1K—each providing perks like priority check-in, extra baggage allowance, and complimentary upgrades. Travelers flying United from GSP can benefit from these advantages while earning miles for future travel.
Southwest Airlines stands out with its unique approach to frequent flyer programs. Its Rapid Rewards program awards points based on the cost of the ticket, not the distance flown. Points can be redeemed for flights, hotel stays, and rental cars with no blackout dates. Southwest also offers a companion pass, one of the most coveted perks in the industry, allowing a designated companion to fly with the member for free (excluding taxes and fees). The airline’s straightforward and customer-friendly program makes it a popular choice for GSP travelers.
Lastly, Allegiant Air serves GSP with affordable flights to leisure destinations. While Allegiant does not have a traditional frequent flyer program, it offers Allways Rewards, a subscription-based service providing benefits like low fares, priority boarding, and free flight changes. This model caters to budget-conscious travelers who fly Allegiant regularly from GSP. Although not a mileage-based program, Allways Rewards provides value through flexibility and cost savings.
In summary, travelers departing from Greenville-Spartanburg International Airport have access to a variety of frequent flyer programs tailored to different travel preferences. Whether earning miles with Delta SkyMiles, American AAdvantage, or United MileagePlus, accumulating points with Southwest Rapid Rewards, or enjoying subscription benefits with Allegiant Allways Rewards, GSP passengers can maximize their travel experience by enrolling in these programs and taking advantage of the perks offered.
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Frequently asked questions
Spartanburg Greenville Airport (GSP) is served by several major airlines, including American Airlines, Delta Air Lines, United Airlines, Allegiant Air, and Silver Airways.
No, Spartanburg Greenville Airport (GSP) primarily serves domestic destinations. For international flights, travelers typically connect through larger hubs like Atlanta (ATL), Charlotte (CLT), or Chicago (ORD).
Airlines like American Airlines, Delta Air Lines, and Allegiant Air offer non-stop flights to popular destinations such as Atlanta, Charlotte, Chicago, Dallas, and Orlando from GSP.
Yes, Allegiant Air is a low-cost carrier that operates out of GSP, offering affordable flights to leisure destinations like Orlando, Tampa, and Fort Lauderdale.
You can visit the official Spartanburg Greenville Airport (GSP) website or use flight search platforms like Google Flights, Kayak, or Skyscanner to check available airlines and routes from GSP to your desired destination.











































