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Idaho Falls

$367+ Cheap flights from Louisville to Idaho Falls (SDF - 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IDA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Louisville to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(American Airlines)

One-way from

$367
(United Airlines)

Popular in

May

Cheapest in

January
Provider with most accurate pricing for Louisville Intl-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Idaho Falls Fanning Field flights.
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From Louisville Intl to Idaho Falls Fanning Field
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One-way flight from Louisville Intl to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 12% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Find flight deals from Louisville to Idaho Falls

Cheapest flights from Louisville to Idaho Falls
Explore the most affordable flight options available from Louisville to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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.
Mon 8/257:25 pmSDF - IDA
2 stops28h 50mDelta
Sat 8/307:00 pmIDA - SDF
2 stops12h 48mDelta
Deal found 2/19$464
This United Airlines deal was found by Cheapflights users on 2/19. 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 8/254:30 pmSDF - IDA
1 stop6h 23mUnited Airlines
Sat 8/307:00 amIDA - SDF
1 stop5h 27mUnited Airlines
Deal found 2/19$533
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/57:01 amSDF - IDA
1 stop7h 16mAmerican Airlines
Mon 3/1012:58 pmIDA - SDF
1 stop6h 52mAmerican Airlines
Deal found 2/19$604
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 4/311:02 amSDF - IDA
2 stops13h 33mAlaska Airlines
Sun 4/68:00 amIDA - SDF
2 stops24h 38mAlaska Airlines
Deal found 2/19$647

Find flights from Louisville to Idaho Falls within your budget

Customize your flight search to find flights from Louisville 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 February 20, 2025.

Fly from

Louisville

Fly to

Idaho Falls

Route

Depart

Return

Price

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 3/5

7:01 am-12:17 pm

1 stop7h 16m

Idaho Falls Fanning Field

Mon 3/10

12:58 pm-9:50 pm

1 stop6h 52m

$604

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 4/9

3:25 pm-9:07 pm

1 stop7h 42m

Idaho Falls Fanning Field

Sun 4/13

6:50 am-10:15 pm

1 stop13h 25m

$646

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 4/3

11:02 am-10:35 pm

2 stops13h 33m

Idaho Falls Fanning Field

Sun 4/6

8:00 am-10:38 am

2 stops24h 38m

$647

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 6/18

8:00 am-9:44 am

1 stop27h 44m

$367

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 6/19

6:55 am-9:03 pm

2 stops16h 08m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Compare providers for flights from Louisville 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 Louisville to Idaho Falls 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 Louisville-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-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 Louisville-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 Louisville to Idaho Falls

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

Travel insights for flights from Louisville to Idaho Falls

Get recent, data-driven insights about flights from Louisville to Idaho Falls including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Louisville to Idaho Falls (average of $380). Flying from Louisville to Idaho Falls in July is currently the most expensive (average of $628). 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.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 20, 2025.
Alaska Airlines
8.0
Very good
9,697 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,697 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,765 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Louisville 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 Louisville to Idaho Falls round-trip?

    Flying on American Airlines is currently your cheapest option to Idaho Falls, with prices starting at $604. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $646 and $647, respectively. These flights start at 2% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Louisville to Idaho Falls (average of $380). Flying from Louisville to Idaho Falls in July is currently the most expensive (average of $628). 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

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Top airline flying from Louisville to Idaho Falls

Discover the top airline that operate flights from Louisville 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$324Average$621FlexibilityNo cancel feeOn-time69%
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