What is the cheapest airline that flies from Idaho Falls Fanning Field to Missouri?

Delta, United Airlines, and Allegiant Air are the most popular carriers operating from Idaho Falls Fanning Field to Missouri

What airlines fly to Missouri?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Missouri from Idaho Falls according to our data. United Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Missouri?

Prices for flights from Idaho Falls Fanning Field Airport to Missouri are refreshed on a daily basis.

How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Missouri?

The number of operators available for flights from Idaho Falls Fanning Field Airport to Missouri is 4 as of May 2026.

How old do you have to be to fly from Idaho Falls Fanning Field Airport to Missouri?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Missouri.

What documentation or ID do you need to fly to Missouri?

The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$185 Cheap Flights from Idaho Falls to Missouri in 2026

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Find the cheapest flights from Idaho Falls to Missouri

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 12:13 am

IDA

MCI

4h 13m

1 stop

6:00 pm - 10:32 pm

MCI

IDA

5h 32m

1 stop

$359Delta

Wed, Jul 22 - Wed, Jul 29

5:54 pm - 11:57 pm

IDA

STL

5h 03m

1 stop

5:10 am - 9:50 am

STL

IDA

5h 40m

1 stop

$369United Airlines

Wed, Jun 10 - Sun, Jun 14

6:18 am - 1:57 pm

IDA

MCI

6h 39m

1 stop

2:53 pm - 1:24 pm

MCI

IDA

23h 31m

1 stop

$369Alaska Airlines

Tue, Sep 8 - Thu, Sep 17

5:54 pm - 11:25 pm

IDA

MCI

4h 31m

1 stop

6:00 am - 9:50 am

MCI

IDA

4h 50m

1 stop

$399United Airlines

Tue, Jun 23 - Sat, Jul 4

2:25 pm - 8:38 pm

IDA

STL

5h 13m

1 stop

5:10 am - 9:53 am

STL

IDA

5h 43m

1 stop

$409United Airlines

Wed, Sep 23 - Sat, Sep 26

6:18 am - 1:52 pm

IDA

MCI

6h 34m

1 stop

2:48 pm - 1:24 pm

MCI

IDA

23h 36m

1 stop

$419Alaska Airlines

Thu, Aug 27 - Sun, Aug 30

2:20 pm - 10:59 pm

IDA

MCI

7h 39m

1 stop

6:20 am - 1:50 pm

MCI

IDA

8h 30m

1 stop

$429American Airlines

Thu, Aug 27 - Sun, Aug 30

2:30 pm - 8:43 pm

IDA

MCI

5h 13m

1 stop

6:00 am - 9:50 am

MCI

IDA

4h 50m

1 stop

$431United Airlines

Thu, Jun 11 - Fri, Jun 12

7:00 pm - 12:43 am

IDA

STL

4h 43m

1 stop

2:28 pm - 6:17 pm

STL

IDA

4h 49m

1 stop

$447Delta

Wed, Jun 24 - Tue, Jun 30

2:20 pm - 8:43 pm

IDA

SGF

5h 23m

1 stop

2:26 pm - 9:43 pm

SGF

IDA

8h 17m

1 stop

$514American Airlines

Thu, Aug 27 - Sun, Aug 30

Alaska Airlines flights from Idaho Falls to Missouri

Our best Alaska Airlines deals on Idaho Falls to Missouri flight tickets

Alaska Airlines

Sep 8

IDA6:18 amIdaho Falls Fanning Field

6h 39m

1 stop

MCI1:57 pmKansas City

Sep 17

MCI2:53 pmKansas City

23h 31m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

$369

Alaska Airlines

Aug 27

IDA6:18 amIdaho Falls Fanning Field

6h 34m

1 stop

MCI1:52 pmKansas City

Aug 30

MCI2:48 pmKansas City

23h 36m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

$419

Alaska Airlines

Sep 8

IDA2:01 pmIdaho Falls Fanning Field

8h 58m

1 stop

MCI11:59 pmKansas City

Sep 17

MCI2:53 pmKansas City

23h 31m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

$484

United Airlines flights from Idaho Falls to Missouri

Our best United Airlines deals on Idaho Falls to Missouri flight tickets

United Airlines

Jun 10

IDA5:54 pmIdaho Falls Fanning Field

5h 03m

1 stop

STL11:57 pmLambert-St Louis

Jun 14

STL5:10 amLambert-St Louis

5h 40m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$369

United Airlines

Jun 23

IDA5:54 pmIdaho Falls Fanning Field

4h 31m

1 stop

MCI11:25 pmKansas City

Jul 4

MCI6:00 amKansas City

4h 50m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$399

United Airlines

Sep 23

IDA2:25 pmIdaho Falls Fanning Field

5h 13m

1 stop

STL8:38 pmLambert-St Louis

Sep 26

STL5:10 amLambert-St Louis

5h 43m

1 stop

IDA9:53 amIdaho Falls Fanning Field

$409

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Wed 7/22

7:00 pm-12:13 am

1 stop4h 13m

Kansas City

Wed 7/29

6:00 pm-10:32 pm

1 stop5h 32m

$359

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Wed 6/10

5:54 pm-11:57 pm

1 stop5h 03m

Lambert-St Louis

Sun 6/14

5:10 am-9:50 am

1 stop5h 40m

$369

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Tue 9/8

6:18 am-1:57 pm

1 stop6h 39m

Kansas City

Thu 9/17

2:53 pm-1:24 pm

1 stop23h 31m

$369

Quickest round-trip

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Tue 6/23

5:54 pm-11:25 pm

1 stop4h 31m

Kansas City

Sat 7/4

6:00 am-9:50 am

1 stop4h 50m

$399

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Wed 9/23

2:25 pm-8:38 pm

1 stop5h 13m

Lambert-St Louis

Sat 9/26

5:10 am-9:53 am

1 stop5h 43m

$409

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Thu 8/27

6:18 am-1:52 pm

1 stop6h 34m

Kansas City

Sun 8/30

2:48 pm-1:24 pm

1 stop23h 36m

$419

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Thu 8/27

2:20 pm-10:59 pm

1 stop7h 39m

Kansas City

Sun 8/30

6:20 am-1:50 pm

1 stop8h 30m

$429

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Thu 6/11

2:30 pm-8:43 pm

1 stop5h 13m

Kansas City

Fri 6/12

6:00 am-9:50 am

1 stop4h 50m

$431

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Wed 6/24

7:00 pm-12:43 am

1 stop4h 43m

Lambert-St Louis

Tue 6/30

2:28 pm-6:17 pm

1 stop4h 49m

$447

Idaho FallsSpringfield

IDA - SGF

IDASGF

Idaho Falls Fanning Field

Thu 8/27

2:20 pm-8:43 pm

1 stop5h 23m

Springfield-Branson

Sun 8/30

2:26 pm-9:43 pm

1 stop8h 17m

$514

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho Falls to Missouri

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Missouri?

In general, March is the cheapest month to fly from Idaho Falls to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $150. If you aren’t able to travel to Missouri during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $185.

Can stopping save me money on Idaho Falls to Missouri flights?

You could potentially save up to 36% on your flight if you consider stops on a Idaho Falls to Missouri flight.

Cheap Idaho Falls to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Missouri

Fastest flight time	4h 13m
Direct flights	None

The fastest flight from Idaho Falls to Missouri takes 4h 13m

There are no direct flights from Idaho Falls to Missouri. There are no popular flight routes from Idaho Falls to Missouri.

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Frequently asked questions about flying from Idaho Falls to Missouri

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Missouri?
Prices for flights from Idaho Falls Fanning Field Airport to Missouri are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Missouri?
The number of operators available for flights from Idaho Falls Fanning Field Airport to Missouri is 4 as of May 2026.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Missouri?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho Falls to Missouri

Compare and see reviews for airlines that fly from Idaho Falls to Missouri with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $150	Free Cancellation	Rating 7.9 8,416 reviews	Search Delta flights
United Airlines	PriceFrom $308	Free Cancellation	Rating 7.4 9,767 reviews	Search United Airlines flights
American Airlines	PriceFrom $350	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $389	Free Cancellation	Rating 7.9 12,437 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Missouri?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missouri from Idaho Falls.

Can I find flights from Idaho Falls to Missouri with flexible booking policies on momondo?

All flight searches from Idaho Falls to Missouri on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho Falls to Missouri?

Once all potential Idaho Falls to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho Falls to Missouri right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho Falls to Missouri flights. All you need is a valid email address and we will do the rest; it is that quick and easy.