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Idaho Falls

$150+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IDA
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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Cheap 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 August 7, 2025.

Round-trip from

$301
(Delta)

One-way from

$150
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$470
From Kansas City to Idaho Falls Fanning Field
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One-way flight from Kansas City to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Kansas City to Idaho Falls

Cheapest flights from Kansas City to Idaho Falls
Explore the most affordable flight options available from Kansas City to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

This Delta deal was found by Cheapflights users on 8/7. 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.
Wed 9/36:40 amMCI - IDA
1 stop4h 59mDelta
Tue 9/96:52 pmIDA - MCI
1 stop4h 07mDelta
Deal found 8/7$301
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/215:15 pmMCI - IDA
1 stop4h 39mUnited Airlines
Mon 8/257:00 amIDA - MCI
1 stop4h 40mUnited Airlines
Deal found 8/6$431
This United Airlines deal was found by Cheapflights users on 8/5. 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 8/201:45 pmMCI - IDA
1 stop4h 30mUnited Airlines
Sun 8/245:56 pmIDA - MCI
1 stop17h 44mUnited Airlines
Deal found 8/5$453
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:15 pmMCI - IDA
1 stop4h 39mUnited Airlines
Sat 8/235:00 amIDA - MCI
1 stop6h 40mUnited Airlines
Deal found 8/6$481
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/33:23 pmMCI - IDA
2 stops8h 25mUnited Airlines
Wed 9/105:00 amIDA - MCI
2 stops8h 20mUnited Airlines
Deal found 8/6$531
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:59 pmMCI - IDA
1 stop27h 40mAlaska Airlines
Fri 9/193:57 pmIDA - MCI
1 stop7h 02mAlaska Airlines
Deal found 8/6$533

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 August 7, 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

Wed 9/3

6:40 am-10:39 am

1 stop4h 59m

Idaho Falls Fanning Field

Tue 9/9

6:52 pm-11:59 pm

1 stop4h 07m

$301

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 8/20

6:40 am-10:39 am

1 stop4h 59m

Idaho Falls Fanning Field

Sun 8/24

6:52 pm-11:59 pm

1 stop4h 07m

$411

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Thu 8/21

5:15 pm-8:54 pm

1 stop4h 39m

Idaho Falls Fanning Field

Mon 8/25

7:00 am-12:40 pm

1 stop4h 40m

$431

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 8/20

1:45 pm-5:15 pm

1 stop4h 30m

Idaho Falls Fanning Field

Sun 8/24

5:56 pm-12:40 pm

1 stop17h 44m

$453

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 8/20

1:45 pm-5:15 pm

1 stop4h 30m

Idaho Falls Fanning Field

Sat 8/23

4:00 pm-11:27 pm

1 stop6h 27m

$481

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 12/20

9:17 am-1:35 pm

1 stop5h 18m

Idaho Falls Fanning Field

Sat 12/27

2:35 pm-8:04 pm

1 stop4h 29m

$515

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Mon 10/6

7:00 am-3:38 pm

1 stop9h 38m

$150

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 9/5

3:37 pm-10:39 pm

1 stop8h 02m

$172

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 9/5

2:57 pm-9:25 pm

1 stop7h 28m

$201

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 9/5

3:23 pm-10:48 pm

2 stops8h 25m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 12 results
1
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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, October is the cheapest month in which you can book a flight from Kansas City to Idaho Falls (average of $380). Flying from Kansas City 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 August 7, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,987 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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.

  • What is the cheapest airline to fly 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 $301 on this airline. You may be able to fly from Kansas City to Idaho Falls for 43% less than the average price by searching for this airline.

  • 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, October is the cheapest month in which you can book a flight from Kansas City to Idaho Falls (average of $380). Flying from Kansas City 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 Kansas City to Idaho Falls

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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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$623FlexibilityNo cancel feeOn-time69%

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