HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missoula

$309+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MSO
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 flights from Greenville to Missoula
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 February 18, 2026.

This United Airlines deal was found by Cheapflights users on 2/17. 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 8/186:46 am
GSP
-
MSO
1 stop6h 48m
United Airlines
Tue 9/112:40 pm
MSO
-
GSP
1 stop6h 31m
United Airlines
Deal found 2/17$309
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/54:26 pm
GSP
-
MSO
1 stop7h 30m
American Airlines
Mon 3/96:15 am
MSO
-
GSP
2 stops12h 31m
American Airlines
Deal found 2/18$409
This Delta deal was found by Cheapflights users on 2/14. 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 2/2011:36 am
GSP
-
MSO
2 stops10h 25m
Delta
Mon 2/237:30 am
MSO
-
GSP
2 stops12h 43m
Delta
Deal found 2/14$494
This United Airlines deal was found by Cheapflights users on 2/17. 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 2/254:16 pm
GSP
-
MSO
1 stop7h 41m
United Airlines
Sat 2/286:15 am
MSO
-
GSP
2 stops12h 26m
United Airlines
Deal found 2/17$544
This American Airlines deal was found by Cheapflights users on 2/18. 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 5/216:44 pm
GSP
-
MSO
1 stop19h 50m
American Airlines
Tue 5/261:05 pm
MSO
-
GSP
1 stop19h 58m
American Airlines
Deal found 2/18$548
This United Airlines deal was found by Cheapflights users on 2/15. 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 5/214:15 pm
GSP
-
MSO
1 stop7h 19m
United Airlines
Tue 5/266:15 am
MSO
-
GSP
1 stop7h 04m
United Airlines
Deal found 2/15$635

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$418
Provider with most accurate pricing for Greenville-Missoula Johnson-Bell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Missoula Johnson-Bell Field flights.
Search Deals
From Greenville to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Greenville to Missoula that are best for you.

Fly from

Greenville

Fly to

Missoula

Route

Depart

Return

Price

GreenvilleMissoula

GSP - MSO

GSPMSO

Greenville

Thu 3/5

4:26 pm-9:56 pm

1 stop7h 30m

Missoula Johnson-Bell Field

Mon 3/9

6:15 am-8:46 pm

2 stops12h 31m

$409

GreenvilleMissoula

GSP - MSO

GSPMSO

Greenville

Thu 5/21

6:44 pm-12:34 pm

1 stop19h 50m

Missoula Johnson-Bell Field

Tue 5/26

1:05 pm-11:03 am

1 stop19h 58m

$548

GreenvilleMissoula

GSP - MSO

GSPMSO

Greenville

Thu 5/21

4:15 pm-9:34 pm

1 stop7h 19m

Missoula Johnson-Bell Field

Tue 5/26

6:15 am-3:19 pm

1 stop7h 04m

$635

GreenvilleMissoula

GSP - MSO

GSPMSO

Greenville

Wed 5/13

10:40 am-9:30 pm

2 stops12h 50m

Missoula Johnson-Bell Field

Sun 5/17

6:15 am-9:58 am

2 stops25h 43m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 is the cheapest month to book a flight from Greenville to Missoula?

Currently, January is the cheapest month in which you can book a flight from Greenville to Missoula (average of $267). Flying from Greenville to Missoula in December is currently the most expensive (average of $764). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 February 18, 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.
United Airlines
7.4
Good
9,315 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,315 reviews
United Airlines
7.4
Good
9,315 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,307 reviews
United Airlines
7.4
Good
9,315 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Greenville to Missoula?

    There are many flights that can get you from Greenville to Missoula in 7h 30m. Fly via American Airlines to get the fastest option. The distance between Greenville and Missoula is about 1841 mi.

  • What are the cheapest airlines flying from Greenville to Missoula round-trip?

    According to our current data, American Airlines ($288), and United Airlines ($378) offers the cheapest pricing from Greenville to Missoula. These flights start at 41% lower than the current average price 3 months from now.

  • Can I find deals for flights from Greenville to Missoula that include hotel bookings?

    Yes. In addition to deals on Greenville to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Missoula.

  • Can I find deals for business class flights from Greenville to Missoula?

    Yes. Cheapflights offers flight deals from Greenville to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Greenville to Missoula?

    Currently, January is the cheapest month in which you can book a flight from Greenville to Missoula (average of $267). Flying from Greenville to Missoula in December is currently the most expensive (average of $764). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$512FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$378Average$519FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.