HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IDA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansas City to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 29, 2025.

Round-trip from

$301
(Delta)

One-way from

$150
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$421
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. 7% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 29, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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 7/29$301
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:28 pmMCI - IDA
1 stop8h 10mHawaiian Airlines
Wed 10/224:15 pmIDA - MCI
1 stop6h 44mHawaiian Airlines
Deal found 7/29$350
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 10/216:00 amMCI - IDA
1 stop4h 48mUnited Airlines
Fri 10/245:56 pmIDA - MCI
1 stop4h 34mUnited Airlines
Deal found 7/29$371
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/185:57 pmMCI - IDA
2 stops29h 41mAlaska Airlines
Wed 10/224:15 pmIDA - MCI
1 stop6h 44mAlaska Airlines
Deal found 7/29$387
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:00 amMCI - IDA
3 stops36h 04mMultiple Airlines
Fri 8/156:20 pmIDA - MCI
2 stops18h 41mMultiple Airlines
Deal found 7/29$593

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 July 29, 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

Sat 10/18

3:28 pm-10:38 pm

1 stop8h 10m

Idaho Falls Fanning Field

Wed 10/22

4:15 pm-11:59 pm

1 stop6h 44m

$350

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 10/21

6:00 am-9:48 am

1 stop4h 48m

Idaho Falls Fanning Field

Fri 10/24

5:56 pm-11:30 pm

1 stop4h 34m

$371

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 10/18

5:57 pm-10:38 pm

2 stops29h 41m

Idaho Falls Fanning Field

Wed 10/22

4:15 pm-11:59 pm

1 stop6h 44m

$387

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 8/9

6:00 am-5:04 pm

3 stops36h 04m

Idaho Falls Fanning Field

Fri 8/15

6:20 pm-2:01 pm

2 stops18h 41m

$593

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 9/3

3:37 pm-10:39 pm

1 stop8h 02m

$150

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sun 9/7

6:40 am-10:39 am

1 stop4h 59m

$181

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 9/3

9:58 am-8:54 pm

2 stops11h 56m

$191

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 9/5

3:37 pm-10:39 pm

1 stop8h 02m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian 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

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 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 $301 on this airline. Additional options worth looking into are Hawaiian Airlines and United Airlines, starting at $350 and $371 round-trip. You may be able to fly from Kansas City to Idaho Falls for 43% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kansas City to Idaho Falls one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $150. Delta flights start at $181 while deals on United Airlines start at $191 one-way.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kansas City to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Springfield to Boise flights
Kansas City to Spokane flights
St. Louis to Jackson flights
St. Louis to Boise flights
St. Louis to Spokane flights
Kansas City to Boise flights
Kansas City to Jackson flights
Springfield to Jackson flights
Springfield to Spokane flights
St. Louis to Idaho Falls flights
Columbia to Jackson flights
St. Louis to Lewiston flights
Columbia to Spokane flights
Kansas City to Hailey flights
Springfield to Idaho Falls flights
St. Louis to Pocatello flights
Kansas City to Pocatello flights
Joplin to Spokane flights
Columbia to West Yellowstone flights
St. Louis to West Yellowstone flights
Kansas City to West Yellowstone flights
Springfield to West Yellowstone flights
Joplin to Jackson flights

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$620FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.