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Idaho Falls

$331+ Cheap flights from Kansas City to Idaho Falls (MCI - 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IDA
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Kansas City to Idaho Falls

Best flights from Kansas City to Idaho Falls
Discover carefully curated flight deals from Kansas City to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/27. 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 1/243:32 pmMCI - IDA
1 stop8h 27mAlaska Airlines
Sun 1/256:58 pmIDA - MCI
1 stop17h 52mAlaska Airlines
Deal found 12/27$359
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Sat 1/245:45 amMCI - IDA
1 stop5h 11mUnited Airlines
Sun 1/252:40 pmIDA - MCI
1 stop4h 53mUnited Airlines
Deal found 12/27$421
This American Airlines deal was found by Cheapflights users on 12/27. 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 1/242:30 pmMCI - IDA
1 stop9h 06mAmerican Airlines
Sun 1/257:20 amIDA - MCI
1 stop8h 38mAmerican Airlines
Deal found 12/27$481
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/212:45 pmMCI - IDA
1 stop9h 14mAlaska Airlines
Sat 1/246:58 pmIDA - MCI
2 stops19h 07mAlaska Airlines
Deal found 12/26$361
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Wed 1/218:00 amMCI - IDA
2 stops8h 31mUnited Airlines
Sat 1/2410:51 amIDA - MCI
2 stops10h 08mUnited Airlines
Deal found 12/27$451
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Fri 1/911:29 amMCI - IDA
2 stops10h 47mUnited Airlines
Tue 1/134:19 pmIDA - MCI
1 stop6h 11mUnited Airlines
Deal found 12/25$506

Find flight deals from Kansas City to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) 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 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$359
(Alaska Airlines)

One-way from

$331
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$374
Provider with most accurate pricing for Kansas City-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Idaho Falls Fanning Field flights.
Search Deals
From Kansas City to Idaho Falls Fanning Field
Search Deals
One-way flight from Kansas City to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City 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 28, 2025.
Use the filters below to find and compare flights from Kansas City to Idaho Falls that are best for you.

Fly from

Kansas City

Fly to

Idaho Falls

Route

Depart

Return

Price

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 1/24

3:32 pm-10:59 pm

1 stop8h 27m

Idaho Falls Fanning Field

Sun 1/25

6:58 pm-1:50 pm

1 stop17h 52m

$359

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 1/21

2:45 pm-10:59 pm

1 stop9h 14m

Idaho Falls Fanning Field

Sat 1/24

6:58 pm-3:05 pm

2 stops19h 07m

$361

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 1/24

5:45 am-9:56 am

1 stop5h 11m

Idaho Falls Fanning Field

Sun 1/25

2:40 pm-8:33 pm

1 stop4h 53m

$421

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 1/21

8:00 am-3:31 pm

2 stops8h 31m

Idaho Falls Fanning Field

Sat 1/24

10:51 am-9:59 pm

2 stops10h 08m

$451

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 1/24

2:30 pm-10:36 pm

1 stop9h 06m

Idaho Falls Fanning Field

Sun 1/25

7:20 am-4:58 pm

1 stop8h 38m

$481

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 1/9

11:29 am-9:16 pm

2 stops10h 47m

Idaho Falls Fanning Field

Tue 1/13

4:19 pm-11:30 pm

1 stop6h 11m

$506

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 12/30

5:45 am-9:58 am

1 stop5h 13m

$331

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 12/30

2:16 pm-10:21 pm

1 stop9h 05m

$331

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 12/30

3:29 pm-10:52 pm

2 stops8h 23m

$336

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 12/30

6:15 pm-4:40 pm

3 stops47h 25m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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

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

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

Currently, March is the cheapest month in which you can book a flight from Kansas City to Idaho Falls (average of $169). Flying from Kansas City to Idaho Falls in November is currently the most expensive (average of $328). 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 28, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Kansas City 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.
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,019 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,113 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Kansas City 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 Kansas City to Idaho Falls?

    A quick flight from Kansas City to Idaho Falls can take about 8h 27m. Alaska Airlines provides one of the quickest options available for as low as $359. Kansas City and Idaho Falls are separated by a distance of 942 mi.

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

    Our cheapest airline available from Kansas City to Idaho Falls is Delta. Our recent data shows that you can find tickets from as low as $200 on this airline. An additional option worth looking into is United Airlines, starting at $235. You may be able to fly from Kansas City to Idaho Falls for 58% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansas City 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 Kansas City to Idaho Falls?

    Currently, March is the cheapest month in which you can book a flight from Kansas City to Idaho Falls (average of $169). Flying from Kansas City to Idaho Falls in November is currently the most expensive (average of $328). 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 2 airlines flying from Kansas City to Idaho Falls

Discover the top 2 airlines that operate flights from Kansas City 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$470FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$300Average$525FlexibilityNo cancel feeOn-time69%

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