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Idaho Falls

$379+ Cheap flights from Harrisburg to Idaho Falls (MDT - IDA)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — IDA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Harrisburg to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) 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 July 29, 2025.

Round-trip from

$379
(American Airlines)
From Harrisburg to Idaho Falls Fanning Field
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Find flight deals from Harrisburg to Idaho Falls

Cheapest flights from Harrisburg to Idaho Falls
Explore the most affordable flight options available from Harrisburg to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/26. 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 10/286:44 amMDT - IDA
1 stop7h 41mAmerican Airlines
Sat 11/112:55 pmIDA - MDT
1 stop8h 18mAmerican Airlines
Deal found 7/26$379
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/288:15 amMDT - IDA
2 stops11h 31mUnited Airlines
Sat 11/18:30 amIDA - MDT
2 stops10h 34mUnited Airlines
Deal found 7/26$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg 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 July 29, 2025.
Use the filters below to find and compare flights from Harrisburg to Idaho Falls that are best for you.

Fly from

Harrisburg

Fly to

Idaho Falls

Route

Depart

Return

Price

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Tue 10/28

6:44 am-12:25 pm

1 stop7h 41m

Idaho Falls Fanning Field

Sat 11/1

12:55 pm-11:13 pm

1 stop8h 18m

$379

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Tue 10/28

8:15 am-5:46 pm

2 stops11h 31m

Idaho Falls Fanning Field

Sat 11/1

8:30 am-9:04 pm

2 stops10h 34m

$389

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Thu 9/11

6:45 am-8:54 pm

2 stops16h 09m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Harrisburg to Idaho Falls

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

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

Currently, October is the cheapest month in which you can book a flight from Harrisburg to Idaho Falls (average of $380). Flying from Harrisburg to Idaho Falls in December is currently the most expensive (average of $578). 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 July 29, 2025.
See what other customers who have flown with United Airlines and American Airlines from Harrisburg to Idaho Falls 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
8,896 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Harrisburg to Idaho Falls round-trip?

    According to our current data, American Airlines ($379), and United Airlines ($389) offers the cheapest pricing from Harrisburg to Idaho Falls.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Harrisburg to Idaho Falls (average of $380). Flying from Harrisburg to Idaho Falls in December is currently the most expensive (average of $578). 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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Alternative routes for Harrisburg to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Harrisburg to Idaho Falls

Discover the top airline that operate flights from Harrisburg 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$863FlexibilityNo cancel feeOn-time71%

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