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 $441 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $491 and $766 round-trip. You may be able to fly from Kansas City to Idaho Falls for 23% less than the average price by searching for these airlines.

What is the cheapest day to fly from Kansas City to Idaho Falls?

Travelers seeking maximum savings on their Kansas City to Idaho Falls flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Kansas City to Idaho Falls?

Travelers have found that booking a Tuesday departure is the best way to save up to 26% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Kansas City to Idaho Falls?

January can be a great time to fly to Idaho Falls from Kansas City with a flight ticket averaging about $577. Cheapflights users have found deals in the month of January for as cheap as $404. The most expensive prices can be found in the month of October.

What is the cheapest time of day to fly from MCI to IDA?

A simple way to save on the total cost of your ticket is to fly from Kansas City to Idaho Falls at noon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the afternoon.

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 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.

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.

$206+ Flights from Kansas City to Idaho Falls

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$441 (Delta)
One-way from	$206 (Delta)
Popular in	October
Cheapest in	January
Average price	$500

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. 10% potential increase in price ($69 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 17, 2025.

Fri 5/26:05 pmMCI - IDA

1 stop5h 51mDelta

Tue 5/66:00 amIDA - MCI

1 stop6h 18mDelta

Deal found 4/17

$441

Tue 7/225:15 pmMCI - IDA

1 stop4h 44mUnited Airlines

Tue 7/296:03 pmIDA - MCI

1 stop4h 28mUnited Airlines

Deal found 4/17

$491

Tue 7/222:05 pmMCI - IDA

2 stops33h 34mAlaska Airlines

Mon 7/284:03 pmIDA - MCI

2 stops23h 56mAlaska Airlines

Deal found 4/17

$766

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 April 17, 2025.

Fri 5/26:05 pmMCI - IDA

1 stop5h 51mDelta

Tue 5/66:00 amIDA - MCI

1 stop6h 18mDelta

Deal found 4/17

$441

Tue 7/225:15 pmMCI - IDA

1 stop4h 44mUnited Airlines

Tue 7/296:03 pmIDA - MCI

1 stop4h 28mUnited Airlines

Deal found 4/17

$491

Tue 7/222:05 pmMCI - IDA

2 stops33h 34mAlaska Airlines

Mon 7/284:03 pmIDA - MCI

2 stops23h 56mAlaska Airlines

Deal found 4/17

$766

Last-minute flights from Kansas City to Idaho Falls
Discover last-minute flight deals from Kansas City to Idaho Falls. Data last updated April 17, 2025 and is based on user searches.

Fri 5/26:05 pmMCI - IDA

1 stop5h 51mDelta

Tue 5/66:00 amIDA - MCI

1 stop6h 18mDelta

Deal found 4/17

$441

Fri 5/26:00 amMCI - IDA

1 stop4h 32mUnited Airlines

Tue 5/67:00 amIDA - MCI

1 stop4h 52mUnited Airlines

Deal found 4/17

$521

One-way flights from Kansas City to Idaho Falls
Search for one-way flight options from Kansas City to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Mon 7/216:40 amMCI - IDA

1 stop4h 53mDelta

Deal found 4/17

$206

Mon 7/213:28 pmMCI - IDA

2 stops19h 16mUnited Airlines

Deal found 4/17

$402

Cheapflights Fare Finder

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

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Fri 5/2

6:05 pm-10:56 pm

1 stop5h 51m

Idaho Falls Fanning Field

Tue 5/6

6:00 am-1:18 pm

1 stop6h 18m

$441

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 7/22

5:15 pm-8:59 pm

1 stop4h 44m

Idaho Falls Fanning Field

Tue 7/29

6:03 pm-11:31 pm

1 stop4h 28m

$491

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 7/22

2:05 pm-10:39 pm

2 stops33h 34m

Idaho Falls Fanning Field

Mon 7/28

4:03 pm-4:59 pm

2 stops23h 56m

$766

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Mon 7/21

6:40 am-10:33 am

1 stop4h 53m

$206

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Mon 7/21

3:28 pm-9:44 am

2 stops19h 16m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Kansas City to Idaho Falls

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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 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, 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 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

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

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

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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 $441 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $491 and $766 round-trip. You may be able to fly from Kansas City to Idaho Falls for 23% 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, 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 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

Rexburg

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Kansas City to Idaho Falls

Other flights to Idaho Falls

Portland to Idaho Falls flights

Santa Ana to Idaho Falls flights

Denver to Idaho Falls flights

Oakland to Idaho Falls flights

Sky Harbor Intl to Idaho Falls flights

Seattle to Idaho Falls flights

Idaho Falls to Portland flights

Idaho Falls to Las Vegas flights

Idaho Falls to Santa Ana flights

Idaho Falls to Portland flights

Idaho Falls to Phoenix-Mesa Gateway Airport flights

Idaho Falls to Las Vegas flights

Idaho Falls to Santa Ana flights

Idaho Falls to Seattle flights

Idaho Falls to Phoenix-Mesa Gateway Airport flights

Idaho Falls to Phoenix Sky Harbor Intl Airport flights

Idaho Falls to Salt Lake City flights

Idaho Falls to Denver flights

Idaho Falls to Dallas/Fort Worth Airport flights

Idaho Falls to Salt Lake City flights

Idaho Falls to Seattle flights

Idaho Falls to Denver flights

Idaho Falls to Dallas/Fort Worth Airport flights

Idaho Falls to Phoenix Sky Harbor Intl Airport flights

Top 2 airlines flying from Kansas City to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$338	Average$517	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$352	Average$629	FlexibilityNo cancel fee	On-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.

$206+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansas City to Idaho Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kansas City to Idaho Falls

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kansas City to Idaho Falls

Cheapest flights from Kansas City to Idaho FallsExplore 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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

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

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 April.

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.

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?

Rainfall in Idaho Falls by month

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

Temperature in Idaho Falls by month

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

Reviews of airlines servicing Idaho Falls

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?

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

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

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

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

Traveling to a place near Kansas City?

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.

Top 2 airlines flying from Kansas City to Idaho Falls

100% Free

Book with Flexibility

Travel Smart

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 April 17, 2025.