$359+ Cheap flights from Greenville to Missoula (GSP - MSO)
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MSO
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to Missoula 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 Missoula
Cheapest
Best
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Cheapest flights from Greenville to MissoulaExplore the most affordable flight options available from Greenville to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
Explore the most affordable flight options available from Greenville to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:02 am -
1 stop7h 34m
Fri 12/111:06 pm -
1 stop6h 52m
Deal found 8/21![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:30 am -
2 stops9h 14m
Fri 12/115:33 am -
2 stops10h 36m
Deal found 8/21![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:01 am -
1 stop8h 34m
Tue 11/31:10 pm -
2 stops19h 39m
Deal found 8/19![American Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:05 am -
2 stops11h 38m
Tue 11/35:30 am -
2 stops10h 10m
Deal found 8/19![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/244:25 pm -
1 stop7h 07m
Wed 10/286:15 am -
1 stop6h 48m
Deal found 8/23![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 9/76:30 am -
1 stop7h 12m
Tue 9/157:00 am -
2 stops14h 15m
Deal found 8/20![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 8/264:33 pm -
1 stop6h 58m
Mon 8/316:15 am -
1 stop6h 33m
Deal found 8/22![United Airlines logo]()
$554
Best flights from Greenville to MissoulaDiscover carefully curated flight deals from Greenville to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
Discover carefully curated flight deals from Greenville to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:01 am -
1 stop8h 34m
Tue 11/31:10 pm -
1 stop6h 48m
Deal found 8/19![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:27 am -
2 stops11h 35m
Fri 12/118:27 am -
2 stops11h 55m
Deal found 8/23![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/244:25 pm -
1 stop7h 07m
Wed 10/286:15 am -
1 stop6h 48m
Deal found 8/23![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:02 am -
1 stop7h 34m
Fri 12/111:06 pm -
2 stops8h 21m
Deal found 8/24![American Airlines logo]()
$399
Last-minute flights from Greenville to MissoulaDiscover last-minute flight deals from Greenville to Missoula. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Missoula. Data last updated August 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 8/264:33 pm -
1 stop6h 58m
Mon 8/316:15 am -
1 stop6h 33m
Deal found 8/22![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:46 am -
2 stops10h 57m
Mon 8/316:27 pm -
2 stops12h 51m
Deal found 8/22![Delta logo]()
$564
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am -
2 stops13h 20m
Mon 8/311:25 pm -
1 stop6h 52m
Deal found 8/21![American Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/64:33 pm -
1 stop6h 58m
Fri 9/186:15 am -
1 stop6h 59m
Deal found 8/20![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 9/76:30 am -
1 stop7h 12m
Tue 9/157:00 am -
2 stops14h 15m
Deal found 8/20![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Mon 9/76:30 am -
1 stop7h 12m
Fri 9/116:15 am -
1 stop6h 59m
Deal found 8/22![United Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am -
2 stops10h 43m
Tue 9/156:00 am -
2 stops14h 24m
Deal found 8/20![Delta logo]()
$694
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 9/144:19 pm -
1 stop7h 15m
Wed 9/166:15 am -
1 stop6h 59m
Deal found 8/20![United Airlines logo]()
$710
Find flight deals from Greenville to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Missoula (MSO). 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 August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $281 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Greenville to Missoula 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 August 24, 2026.
Use the filters below to find and compare flights from Greenville to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
GreenvilleMissoula
GSP Greenville - MSO Missoula Johnson-Bell Field
GSPMSO
Greenville
Fri 10/30
6:01 am-12:35 pm
1 stop8h 34m
Missoula Johnson-Bell Field
Tue 11/3
1:10 pm-9:58 pm
1 stop6h 48m
$359
GreenvilleMissoula
GSP Greenville - MSO Missoula Johnson-Bell Field
GSPMSO
Greenville
Fri 12/4
10:27 am-8:02 pm
2 stops11h 35m
Missoula Johnson-Bell Field
Fri 12/11
8:27 am-10:22 pm
2 stops11h 55m
$369
GreenvilleMissoula
GSP Greenville - MSO Missoula Johnson-Bell Field
GSPMSO
Greenville
Fri 12/4
7:02 am-12:36 pm
1 stop7h 34m
Missoula Johnson-Bell Field
Fri 12/11
1:06 pm-11:27 pm
2 stops8h 21m
$399
Quickest round-trip
GreenvilleMissoula
GSP Greenville - MSO Missoula Johnson-Bell Field
GSPMSO
Greenville
Sat 10/24
4:25 pm-9:32 pm
1 stop7h 07m
Missoula Johnson-Bell Field
Wed 10/28
6:15 am-3:03 pm
1 stop6h 48m
$459
Sorted by cheapest first
Compare providers for flights from Greenville to Missoula
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Missoula in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Greenville-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Greenville-Missoula 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-Missoula 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 Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Greenville with our price prediction graph.
GSP-MSO
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.
Cheapflights Insights
Everything you need to know about your flight from Greenville to Missoula
What’s the top layover airport for flights from Greenville to Missoula?
Share of 1-stop round-trip flights from Greenville to Missoula chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 67% of 1-stop itineraries from Greenville to Missoula on Cheapflights.
What’s the cheapest layover airport for flights from Greenville to Missoula?
Average round-trip fare for 1-stop flights from Greenville to Missoula, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $663.
What’s the fastest layover option from Greenville to Missoula?
Shortest average travel time for 1-stop one-way flights from Greenville to Missoula, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 32m.
Which airport typically offers the quickest layover for flights from Greenville to Missoula?
Average layover duration for 1-stop one-way flights from Greenville to Missoula, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 13m.
Reviews of airlines servicing Missoula
Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated August 24, 2026.
See what other customers who have flown with United Airlines and American Airlines from Greenville to Missoula have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Greenville to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 2 airlines flying from Greenville to Missoula
Discover the top 2 airlines that operate flights from Greenville to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$379 | Average$616 | FlexibilityNo cancel fee | On-time69% |