$368+ Cheap flights from Greenville to Rock Springs (GSP - RKS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — RKS
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to Rock Springs 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.Cheap flight deals from Greenville to Rock Springs
Cheapest
Best
Last-minute
One-way
Cheapest flights from Greenville to Rock SpringsExplore the most affordable flight options available from Greenville to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Greenville to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/174:25 pm -
1 stop7h 56m
Sat 10/245:05 am -
1 stop8h 03m
Deal found 9/20![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/294:29 pm -
1 stop7h 51m
Fri 11/65:00 am -
1 stop8h 03m
Deal found 9/21![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/3110:42 am -
2 stops13h 38m
Thu 11/125:00 am -
1 stop8h 02m
Deal found 9/20![United Airlines logo]()
$679
Best flights from Greenville to Rock SpringsDiscover carefully curated flight deals from Greenville to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Greenville to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/174:25 pm -
1 stop7h 56m
Sat 10/245:05 am -
1 stop8h 03m
Deal found 9/20![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/294:29 pm -
1 stop7h 51m
Fri 11/65:00 am -
1 stop8h 03m
Deal found 9/21![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/3110:42 am -
2 stops13h 38m
Thu 11/125:00 am -
1 stop8h 02m
Deal found 9/20![United Airlines logo]()
$679
Last-minute flights from Greenville to Rock SpringsDiscover last-minute flight deals from Greenville to Rock Springs. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Rock Springs. Data last updated September 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/174:25 pm -
1 stop7h 56m
Sat 10/245:05 am -
1 stop8h 03m
Deal found 9/20![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/294:29 pm -
1 stop7h 51m
Fri 11/65:00 am -
1 stop8h 03m
Deal found 9/21![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/3110:42 am -
2 stops13h 38m
Thu 11/125:00 am -
1 stop8h 02m
Deal found 9/20![United Airlines logo]()
$679
One-way flights from Greenville to Rock SpringsSearch for one-way flight options from Greenville to Rock Springs. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Greenville to Rock Springs. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/64:25 pm -
1 stop7h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$463
Find flight deals from Greenville to Rock Springs
Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Rock Springs (RKS). 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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Greenville to Rock Springs 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 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from Greenville to Rock Springs that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
GreenvilleRock Springs
GSP Greenville - RKS Rock Springs Sweetwater County
GSPRKS
Greenville
Sat 10/17
4:25 pm-10:21 pm
1 stop7h 56m
Rock Springs Sweetwater County
Sat 10/24
5:05 am-3:08 pm
1 stop8h 03m
$368
Quickest round-trip
GreenvilleRock Springs
GSP Greenville - RKS Rock Springs Sweetwater County
GSPRKS
Greenville
Tue 10/6
4:25 pm-10:21 pm
1 stop7h 56m
Rock Springs Sweetwater County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$463
GreenvilleRock Springs
GSP Greenville - RKS Rock Springs Sweetwater County
GSPRKS
Greenville
Thu 10/29
4:29 pm-10:20 pm
1 stop7h 51m
Rock Springs Sweetwater County
Fri 11/6
5:00 am-3:03 pm
1 stop8h 03m
$483
GreenvilleRock Springs
GSP Greenville - RKS Rock Springs Sweetwater County
GSPRKS
Greenville
Sat 10/31
10:42 am-10:20 pm
2 stops13h 38m
Rock Springs Sweetwater County
Thu 11/12
5:00 am-3:02 pm
1 stop8h 02m
$679
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Greenville-Rock Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Rock Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Rock Springs flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Greenville-Rock Springs 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-Rock Springs 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 Rock Springs
Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Greenville with our price prediction graph.
GSP-RKS
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.
Related info for your journey
Find useful and relevant information for your journey from Greenville to Rock Springs. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Rock Springs?
Book flights to Rock Springs if you plan to visit one of these locationsGreen River
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