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Idaho Falls

$479+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — IDA
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:47 amMDT - IDA
2 stops14h 20mAlaska Airlines
Fri 1/26:00 amIDA - MDT
2 stops11h 31mAlaska Airlines
Deal found 12/14$4,129

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$479
(United Airlines)
Provider with most accurate pricing for Harrisburg-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Harrisburg-Idaho Falls Fanning Field flights.
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From Harrisburg to Idaho Falls Fanning Field
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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 December 15, 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

Sat 1/24

6:30 am-3:31 pm

2 stops11h 01m

Idaho Falls Fanning Field

Tue 1/27

6:30 am-9:05 pm

2 stops12h 35m

$479

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Sat 4/18

5:43 pm-9:53 am

2 stops18h 10m

Idaho Falls Fanning Field

Sun 4/19

2:35 pm-9:56 am

2 stops17h 21m

$674

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Sat 4/18

2:15 pm-10:14 pm

2 stops9h 59m

Idaho Falls Fanning Field

Sun 4/19

6:10 am-5:26 pm

2 stops9h 16m

$1,067

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Mon 12/29

11:47 am-12:07 am

2 stops14h 20m

Idaho Falls Fanning Field

Fri 1/2

6:00 am-7:31 pm

2 stops11h 31m

$4,129

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Compare providers for flights from Harrisburg 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 Harrisburg to Idaho Falls in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
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 Harrisburg-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harrisburg-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harrisburg-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-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 Harrisburg-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 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, April is the cheapest month in which you can book a flight from Harrisburg to Idaho Falls (average of $333). Flying from Harrisburg to Idaho Falls in December is currently the most expensive (average of $619). 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.

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.

  • How long is the flight from Harrisburg to Idaho Falls?

    There are many flights that can get you from Harrisburg to Idaho Falls in 9h 59m. Fly via United Airlines or Delta to get the fastest option. Harrisburg and Idaho Falls are separated by a distance of 1816 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, April is the cheapest month in which you can book a flight from Harrisburg to Idaho Falls (average of $333). Flying from Harrisburg to Idaho Falls in December is currently the most expensive (average of $619). 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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