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Idaho Falls

$165+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IDA
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheap 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 May 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 10/203:11 pm
MCI
-
IDA
1 stop8h 43m
Alaska Airlines
Sat 10/246:09 am
IDA
-
MCI
1 stop7h 08m
Alaska Airlines
Deal found 5/6$349
This Delta deal was found by Cheapflights users on 5/9. 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.
Tue 7/142:10 pm
MCI
-
IDA
2 stops9h 22m
Delta
Tue 7/216:00 am
IDA
-
MCI
1 stop6h 57m
Delta
Deal found 5/9$354
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Sun 8/96:00 am
MCI
-
IDA
1 stop4h 50m
United Airlines
Wed 8/124:04 pm
IDA
-
MCI
1 stop6h 26m
United Airlines
Deal found 5/10$361
This Delta deal was found by Cheapflights users on 5/9. 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.
Thu 6/187:02 am
MCI
-
IDA
1 stop4h 41m
Delta
Thu 6/2511:25 am
IDA
-
MCI
1 stop4h 41m
Delta
Deal found 5/9$375
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:52 pm
MCI
-
IDA
1 stop20h 25m
Alaska Airlines
Tue 6/91:54 pm
IDA
-
MCI
1 stop8h 55m
Alaska Airlines
Deal found 5/6$389
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 6/205:50 pm
MCI
-
IDA
1 stop20h 16m
Alaska Airlines
Wed 6/241:43 pm
IDA
-
MCI
1 stop9h 16m
Alaska Airlines
Deal found 5/6$419
This Delta deal was found by Cheapflights users on 5/9. 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.
Sat 5/302:56 pm
MCI
-
IDA
1 stop4h 18m
Delta
Tue 6/167:00 pm
IDA
-
MCI
1 stop4h 18m
Delta
Deal found 5/9$434
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:51 pm
MCI
-
IDA
1 stop9h 02m
Alaska Airlines
Sat 6/66:00 am
IDA
-
MCI
2 stops9h 57m
Alaska Airlines
Deal found 5/6$436
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:52 pm
MCI
-
IDA
1 stop20h 25m
Alaska Airlines
Tue 6/91:54 pm
IDA
-
MCI
1 stop8h 55m
Alaska Airlines
Deal found 5/6$439
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 6/66:00 am
MCI
-
IDA
1 stop4h 50m
United Airlines
Mon 6/85:54 pm
IDA
-
MCI
1 stop4h 31m
United Airlines
Deal found 5/6$447

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Alaska Airlines)

One-way from

$165
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$597
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. 19% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 10, 2026.
Use the filters below to find and compare flights from Kansas City to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 10/20

3:11 pm-10:54 pm

1 stop8h 43m

Idaho Falls Fanning Field

Sat 10/24

6:09 am-2:17 pm

1 stop7h 08m

$349

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 7/14

2:10 pm-10:32 pm

2 stops9h 22m

Idaho Falls Fanning Field

Tue 7/21

6:00 am-1:57 pm

1 stop6h 57m

$354

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sun 8/9

6:00 am-9:50 am

1 stop4h 50m

Idaho Falls Fanning Field

Wed 8/12

4:04 pm-11:30 pm

1 stop6h 26m

$361
Quickest round-trip

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 6/6

6:00 am-9:50 am

1 stop4h 50m

Idaho Falls Fanning Field

Mon 6/8

5:54 pm-11:25 pm

1 stop4h 31m

$471

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Thu 6/4

6:40 am-10:47 am

1 stop5h 07m

Idaho Falls Fanning Field

Sun 6/7

7:00 pm-12:18 am

1 stop4h 18m

$479

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 6/5

5:52 pm-1:17 pm

1 stop20h 25m

Idaho Falls Fanning Field

Mon 6/8

1:54 pm-11:49 pm

1 stop8h 55m

$479

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Thu 5/21

6:40 am-10:47 am

1 stop5h 07m

Idaho Falls Fanning Field

Mon 5/25

6:54 pm-12:25 am

1 stop4h 31m

$494

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 5/29

6:00 am-9:50 am

1 stop4h 50m

Idaho Falls Fanning Field

Sat 6/13

5:54 pm-11:25 pm

1 stop4h 31m

$498

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 6/20

5:50 pm-1:06 pm

1 stop20h 16m

Idaho Falls Fanning Field

Wed 6/24

4:14 pm-4:53 pm

1 stop23h 39m

$534
Cheapest one-way

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 6/13

6:16 pm-4:08 pm

2 stops46h 52m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 May.
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 Kansas City-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Idaho Falls flight deals on Cheapflights vs. FlightHub >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 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 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

How much does it cost to fly round-trip from Kansas City to Idaho Falls?

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 May 10, 2026.
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
8,454 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,454 reviews
Delta
7.9
Good
8,454 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,694 reviews
Delta
7.9
Good
8,454 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 4h 50m. Alaska Airlines provides one of the quickest options available for as low as $361. Kansas City and Idaho Falls are separated by a distance of 942 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $248 on this airline. An additional option worth looking into is United Airlines, starting at $252. You may be able to fly from Kansas City to Idaho Falls for 45% 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.

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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$436FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$427FlexibilityNo cancel feeOn-time69%

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