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Idaho Falls

$326+ Cheap flights from Greenville to Idaho Falls (GSP - IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — IDA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Greenville to Idaho Falls

Cheapest flights from Greenville to Idaho Falls
Explore the most affordable flight options available from Greenville to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/2211:08 amGSP - IDA
2 stops13h 13mAmerican Airlines
Thu 1/17:00 amIDA - GSP
2 stops11h 39mAmerican Airlines
Deal found 12/11$620
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/224:15 pmGSP - IDA
1 stop8h 44mUnited Airlines
Thu 1/15:00 amIDA - GSP
2 stops12h 16mUnited Airlines
Deal found 12/10$689
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/256:45 amGSP - IDA
2 stops10h 39mUnited Airlines
Mon 12/294:05 pmIDA - GSP
2 stops16h 51mUnited Airlines
Deal found 12/10$782
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/295:44 pmGSP - IDA
2 stops18h 14mUnited Airlines
Sat 1/34:05 pmIDA - GSP
2 stops27h 52mUnited Airlines
Deal found 12/10$957

Find flight deals from Greenville to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Idaho Falls (IDA). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$418
(United Airlines)

One-way from

$326
(American Airlines)
Provider with most accurate pricing for Greenville-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Idaho Falls Fanning Field flights.
Search Deals
From Greenville to Idaho Falls Fanning Field
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One-way flight from Greenville to Idaho Falls Fanning Field
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Idaho Falls 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 December 12, 2025.
Use the filters below to find and compare flights from Greenville to Idaho Falls that are best for you.

Fly from

Greenville

Fly to

Idaho Falls

Route

Depart

Return

Price

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Sat 1/17

6:35 am-3:31 pm

2 stops10h 56m

Idaho Falls Fanning Field

Wed 1/21

4:19 pm-3:20 pm

1 stop21h 01m

$472

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Wed 1/21

6:49 am-3:31 pm

2 stops10h 42m

Idaho Falls Fanning Field

Fri 1/23

4:19 pm-3:20 pm

1 stop21h 01m

$488

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Sun 1/11

6:35 am-1:30 pm

2 stops8h 55m

Idaho Falls Fanning Field

Fri 1/16

4:19 pm-3:35 pm

2 stops21h 16m

$548

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Fri 2/13

2:31 pm-11:07 pm

2 stops10h 36m

Idaho Falls Fanning Field

Sun 2/15

6:42 am-8:44 pm

2 stops12h 02m

$614

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Mon 12/22

11:08 am-10:21 pm

2 stops13h 13m

Idaho Falls Fanning Field

Thu 1/1

7:00 am-8:39 pm

2 stops11h 39m

$620

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Sun 12/21

11:31 am-10:21 pm

2 stops12h 50m

$326

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Sun 12/21

4:15 pm-10:59 pm

1 stop8h 44m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Greenville to Idaho Falls

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 Idaho Falls in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Greenville-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Greenville-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-Idaho Falls flights, Cheapflights users trust eDreams the most. eDreams 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-Idaho Falls 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 Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls 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 Idaho Falls

What is the cheapest month to book a flight from Greenville to Idaho Falls?

Currently, April is the cheapest month in which you can book a flight from Greenville to Idaho Falls (average of $283). Flying from Greenville to Idaho Falls in March is currently the most expensive (average of $482). 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 Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with American Airlines from Greenville to Idaho Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Greenville to Idaho Falls. 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 Idaho Falls?

    A quick flight from Greenville to Idaho Falls can take about 10h 56m. United Airlines provides one of the quickest options available for as low as $472. The distance from Greenville to Idaho Falls is about 1693 mi.

  • What is the cheapest airline to fly from Greenville to Idaho Falls round-trip?

    Our cheapest airline available from Greenville to Idaho Falls is American Airlines. Our recent data shows that you can find tickets from as low as $348 on this airline.

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

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

  • How can I find direct flights from Greenville to Idaho Falls?

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

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

    Yes. Cheapflights offers flight deals from Greenville to Idaho Falls 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 Idaho Falls?

    Currently, April is the cheapest month in which you can book a flight from Greenville to Idaho Falls (average of $283). Flying from Greenville to Idaho Falls in March is currently the most expensive (average of $482). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top airline flying from Greenville to Idaho Falls

Discover the top airline that operate flights from Greenville to Idaho Falls. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$348Average$427FlexibilityNo cancel feeOn-time71%

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