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

Alaska Airlines and American Airlines are the most popular carriers operating from Idaho Falls Fanning Field to Missouri

What airlines fly to Missouri?

United Airlines, Delta and American 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 70% 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 April 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.

$154 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.

5:54 pm - 11:57 pm

IDA

STL

5h 03m

1 stop

5:10 am - 9:50 am

STL

IDA

5h 40m

1 stop

$339United Airlines

화, 5월 26 - 수, 6월 3

5:26 pm - 11:59 pm

IDA

MCI

5h 33m

1 stop

6:00 am - 9:55 am

MCI

IDA

4h 55m

1 stop

$339United Airlines

일, 5월 3 - 일, 5월 10

2:30 pm - 8:34 pm

IDA

MCI

5h 04m

1 stop

6:00 am - 9:53 am

MCI

IDA

4h 53m

1 stop

$369United Airlines

토, 4월 18 - 수, 4월 22

1:45 pm - 11:59 pm

IDA

MCI

9h 14m

1 stop

1:32 pm - 10:56 pm

MCI

IDA

10h 24m

1 stop

$379Alaska Airlines

화, 9월 8 - 목, 9월 17

7:07 pm - 12:18 am

IDA

MCI

4h 11m

1 stop

7:02 am - 10:43 am

MCI

IDA

4h 41m

1 stop

$399Delta

화, 6월 16 - 토, 6월 20

5:46 pm - 1:30 pm

IDA

MCI

18h 44m

2 stops

7:03 pm - 3:27 pm

MCI

IDA

21h 24m

1 stop

$405Multiple Airlines

일, 5월 3 - 일, 5월 10

6:00 am - 2:04 pm

IDA

MCI

7h 04m

1 stop

2:58 pm - 10:40 pm

MCI

IDA

8h 42m

1 stop

$419Alaska Airlines

토, 5월 2 - 화, 5월 5

6:58 pm - 8:30 am

IDA

STL

12h 32m

2 stops

6:45 pm - 10:40 pm

STL

IDA

4h 55m

1 stop

$434Delta

월, 4월 27 - 화, 4월 28

12:44 pm - 8:30 pm

IDA

STL

6h 46m

1 stop

7:00 am - 1:38 pm

STL

IDA

7h 38m

1 stop

$471American Airlines

화, 5월 26 - 화, 6월 2

12:29 pm - 1:41 pm

IDA

SGF

24h 12m

1 stop

2:11 pm - 1:24 pm

SGF

IDA

24h 13m

1 stop

$648American Airlines

목, 7월 2 - 목, 7월 9

United Airlines flights from Idaho Falls to Missouri

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

United Airlines

May 26

IDA5:54 pmIdaho Falls Fanning Field

5h 03m

1 stop

STL11:57 pmLambert-St Louis

Jun 3

STL5:10 amLambert-St Louis

5h 40m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$339

United Airlines

Apr 18

IDA2:30 pmIdaho Falls Fanning Field

5h 04m

1 stop

MCI8:34 pmKansas City

Apr 22

MCI6:00 amKansas City

4h 53m

1 stop

IDA9:53 amIdaho Falls Fanning Field

$369

United Airlines

May 29

IDA4:10 pmIdaho Falls Fanning Field

6h 15m

1 stop

MCI11:25 pmKansas City

May 31

MCI6:00 amKansas City

4h 50m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$394

Delta flights from Idaho Falls to Missouri

Our best Delta deals on Idaho Falls to Missouri flight tickets

Delta

Jun 16

IDA7:07 pmIdaho Falls Fanning Field

4h 11m

1 stop

MCI12:18 amKansas City

Jun 20

MCI7:02 amKansas City

4h 41m

1 stop

IDA10:43 amIdaho Falls Fanning Field

$399

Delta

Apr 27

IDA6:58 pmIdaho Falls Fanning Field

12h 32m

2 stops

STL8:30 amLambert-St Louis

Apr 28

STL6:45 pmLambert-St Louis

4h 55m

1 stop

IDA10:40 pmIdaho Falls Fanning Field

$434

Delta

Jun 17

IDA7:07 pmIdaho Falls Fanning Field

4h 11m

1 stop

MCI12:18 amKansas City

Jun 20

MCI7:02 amKansas City

4h 41m

1 stop

IDA10:43 amIdaho Falls Fanning Field

$449

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

화 5/26

5:54 pm-11:57 pm

1 stop5h 03m

Lambert-St Louis

수 6/3

5:10 am-9:50 am

1 stop5h 40m

$339

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

일 5/3

5:26 pm-11:59 pm

1 stop5h 33m

Kansas City

일 5/10

6:00 am-9:55 am

1 stop4h 55m

$339

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

토 4/18

2:30 pm-8:34 pm

1 stop5h 04m

Kansas City

수 4/22

6:00 am-9:53 am

1 stop4h 53m

$369

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

화 9/8

1:45 pm-11:59 pm

1 stop9h 14m

Kansas City

목 9/17

1:32 pm-10:56 pm

1 stop10h 24m

$379

Quickest round-trip

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

화 6/16

7:07 pm-12:18 am

1 stop4h 11m

Kansas City

토 6/20

7:02 am-10:43 am

1 stop4h 41m

$399

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

일 5/3

5:46 pm-1:30 pm

2 stops18h 44m

Kansas City

일 5/10

7:03 pm-3:27 pm

1 stop21h 24m

$405

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

토 5/2

6:00 am-2:04 pm

1 stop7h 04m

Kansas City

화 5/5

2:58 pm-10:40 pm

1 stop8h 42m

$419

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

월 4/27

6:58 pm-8:30 am

2 stops12h 32m

Lambert-St Louis

화 4/28

6:45 pm-10:40 pm

1 stop4h 55m

$434

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

화 5/26

12:44 pm-8:30 pm

1 stop6h 46m

Lambert-St Louis

화 6/2

7:00 am-1:38 pm

1 stop7h 38m

$471

Idaho FallsSpringfield

IDA - SGF

IDASGF

Idaho Falls Fanning Field

목 7/2

12:29 pm-1:41 pm

1 stop24h 12m

Springfield-Branson

목 7/9

2:11 pm-1:24 pm

1 stop24h 13m

$648

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, August 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 $384. If you aren’t able to travel to Missouri during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $393.

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

You could potentially save up to 22% 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 26m
Direct flights	None

The fastest flight from Idaho Falls to Missouri takes 4h 26m

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

Search flight deals

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 April 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 $185	Free Cancellation	Rating 7.9 8,384 reviews	Search Delta flights
American Airlines	PriceFrom $350	Free Cancellation	Rating 7.1 11,555 reviews	Search American Airlines flights
United Airlines	PriceFrom $350	Free Cancellation	Rating 7.4 9,545 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $389	Free Cancellation	Rating 7.9 12,173 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.