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Idaho Falls

$279+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — IDA
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This American Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 3/216:01 am
GSP
-
IDA
1 stop9h 47m
American Airlines
Wed 3/252:18 pm
IDA
-
GSP
1 stop6h 27m
American Airlines
Deal found 3/6$379
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 3/246:01 am
GSP
-
IDA
1 stop9h 47m
American Airlines
Wed 3/252:18 pm
IDA
-
GSP
1 stop6h 27m
American Airlines
Deal found 3/8$455
This United Airlines deal was found by Cheapflights users on 3/9. 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 3/246:15 am
GSP
-
IDA
2 stops11h 25m
United Airlines
Sat 3/286:36 am
IDA
-
GSP
1 stop6h 25m
United Airlines
Deal found 3/9$474
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 3/241:49 pm
GSP
-
IDA
2 stops11h 35m
American Airlines
Sat 3/286:05 am
IDA
-
GSP
2 stops11h 57m
American Airlines
Deal found 3/9$476
This American Airlines deal was found by Cheapflights users on 3/8. 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 3/1210:40 am
GSP
-
IDA
2 stops14h 44m
American Airlines
Sat 3/142:18 pm
IDA
-
GSP
1 stop6h 27m
American Airlines
Deal found 3/8$498
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:07 pm
GSP
-
IDA
2 stops12h 32m
Alaska Airlines
Wed 11/116:15 am
IDA
-
GSP
2 stops13h 45m
Alaska Airlines
Deal found 3/9$547
This American Airlines deal was found by Cheapflights users on 3/8. 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 3/206:01 am
GSP
-
IDA
1 stop9h 47m
American Airlines
Mon 3/232:18 pm
IDA
-
GSP
1 stop6h 27m
American Airlines
Deal found 3/8$567

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(American Airlines)

One-way from

$279
(American Airlines)

Popular in

March

Cheapest in

April

Average price

$934
Provider with most accurate pricing for Greenville-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Greenville-Idaho Falls Fanning Field flights.
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From Greenville to Idaho Falls Fanning Field
Search Deals
One-way flight from Greenville to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Greenville to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Sat 3/21

6:01 am-1:48 pm

1 stop9h 47m

Idaho Falls Fanning Field

Wed 3/25

2:18 pm-10:45 pm

1 stop6h 27m

$379

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Tue 3/24

6:01 am-1:48 pm

1 stop9h 47m

Idaho Falls Fanning Field

Wed 3/25

2:18 pm-10:45 pm

1 stop6h 27m

$455

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Tue 3/24

6:15 am-3:40 pm

2 stops11h 25m

Idaho Falls Fanning Field

Sat 3/28

6:36 am-3:01 pm

1 stop6h 25m

$474

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Tue 3/24

1:49 pm-11:24 pm

2 stops11h 35m

Idaho Falls Fanning Field

Sat 3/28

6:05 am-8:02 pm

2 stops11h 57m

$476
Quickest round-trip

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Wed 3/25

4:13 pm-9:06 pm

1 stop6h 53m

Idaho Falls Fanning Field

Sun 3/29

6:45 am-3:09 pm

1 stop6h 24m

$735

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Fri 3/20

12:06 pm-11:24 pm

2 stops13h 18m

Idaho Falls Fanning Field

Mon 3/23

6:05 am-8:46 pm

2 stops12h 41m

$787
Cheapest one-way
Quickest one-way

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Fri 3/20

6:01 am-1:48 pm

1 stop9h 47m

$279

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Wed 4/15

11:01 am-11:39 pm

2 stops14h 38m

$305

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Wed 4/15

6:00 am-3:39 pm

2 stops11h 39m

$316

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Wed 4/15

5:50 pm-10:52 pm

3 stops31h 02m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Greenville-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Idaho Falls flight deals on Cheapflights vs. FlightHub >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 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-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, January is the cheapest month in which you can book a flight from Greenville to Idaho Falls (average of $286). Flying from Greenville to Idaho Falls in March is currently the most expensive (average of $399). 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 March 11, 2026.
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
7.1
Good
11,419 reviews

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,419 reviews
American Airlines
7.1
Good
11,419 reviews

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 9h 47m. American Airlines provides one of the quickest options available for as low as $379. The distance from Greenville to Idaho Falls is about 1693 mi. This flight may include one or multiple stops.

  • 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 $386 on this airline. You may be able to fly from Greenville to Idaho Falls for 29% less than the average price by searching for 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, January is the cheapest month in which you can book a flight from Greenville to Idaho Falls (average of $286). Flying from Greenville to Idaho Falls in March is currently the most expensive (average of $399). 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$386Average$495FlexibilityNo cancel feeOn-time71%

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