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Cheap flights from Idaho Falls to Missouri from $176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Missouri departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho Falls to Missouri

Cheap round-trip flights

Delta Logo
6:53 pm - 12:18 amIDA-MCI
4h 25m1 stop
Delta Logo
6:15 pm - 10:15 pmMCI-IDA
5h 00m1 stop
$301Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
6:53 pm - 12:18 amIDA-MCI
4h 25m1 stop
Delta Logo
1:37 pm - 10:15 pmMCI-IDA
9h 38m2 stops
$335Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
United Airlines Logo
9:41 am - 10:07 pmIDA-SGF
11h 26m2 stops
United Airlines Logo
6:00 am - 9:48 amSGF-IDA
4h 48m1 stop
$341United Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Hawaiian Airlines Logo
6:13 am - 2:39 pmIDA-STL
7h 26m1 stop
Hawaiian Airlines Logo
3:57 pm - 10:38 pmSTL-IDA
7h 41m1 stop
$367Hawaiian Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
4:15 pm - 11:27 pmIDA-MCI
6h 12m1 stop
United Airlines Logo
1:45 pm - 5:15 pmMCI-IDA
4h 30m1 stop
$371United Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Delta Logo
6:51 pm - 8:14 amIDA-STL
12h 23m2 stops
Delta Logo
5:30 pm - 10:25 pmSTL-IDA
5h 55m1 stop
$373Delta
Find Deal
Tue, Sep 30 - Sat, Oct 4
Logo
7:58 pm - 12:40 amIDA-MCI
27h 42m1 stop
Logo
7:00 am - 1:16 pmMCI-IDA
7h 16m1 stop
$387
Find Deal
Mon, Dec 1 - Fri, Dec 5
American Airlines Logo
1:35 pm - 10:23 pmIDA-STL
7h 48m1 stop
American Airlines Logo
6:00 am - 12:25 pmSTL-IDA
7h 25m1 stop
$431American Airlines
Find Deal
Thu, Oct 2 - Thu, Oct 9
American Airlines Logo
12:41 pm - 8:25 pmIDA-STL
6h 44m1 stop
American Airlines Logo
5:18 am - 12:59 pmSTL-IDA
8h 41m1 stop
$455American Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Logo
3:22 pm - 9:04 amIDA-MCI
40h 42m2 stops
Logo
7:00 am - 1:16 pmMCI-IDA
7h 16m1 stop
$633
Find Deal
Mon, Dec 1 - Fri, Dec 5

American Airlines flights from Idaho Falls to Missouri

Our best American Airlines deals on Idaho Falls to Missouri flight tickets
American Airlines
Aug 21
IDA7:00 amIdaho Falls Fanning Field
5h 48m
1 stop
SGF1:48 pmSpringfield-Branson
Aug 23
SGF4:18 pmSpringfield-Branson
6h 00m
1 stop
IDA9:18 pmIdaho Falls Fanning Field
$389
Find similar
American Airlines
Oct 2
IDA1:35 pmIdaho Falls Fanning Field
7h 48m
1 stop
STL10:23 pmLambert-St Louis
Oct 9
STL6:00 amLambert-St Louis
7h 25m
1 stop
IDA12:25 pmIdaho Falls Fanning Field
$431
Find similar
American Airlines
Sep 25
IDA12:41 pmIdaho Falls Fanning Field
6h 44m
1 stop
STL8:25 pmLambert-St Louis
Sep 29
STL5:18 amLambert-St Louis
8h 41m
1 stop
IDA12:59 pmIdaho Falls Fanning Field
$455
Find similar

Delta flights from Idaho Falls to Missouri

Our best Delta deals on Idaho Falls to Missouri flight tickets
Delta
Oct 17
IDA6:53 pmIdaho Falls Fanning Field
4h 25m
1 stop
MCI12:18 amKansas City
Oct 21
MCI6:15 pmKansas City
5h 00m
1 stop
IDA10:15 pmIdaho Falls Fanning Field
$301
Find similar
Delta
Oct 17
IDA6:53 pmIdaho Falls Fanning Field
4h 25m
1 stop
MCI12:18 amKansas City
Oct 21
MCI1:37 pmKansas City
9h 38m
2 stops
IDA10:15 pmIdaho Falls Fanning Field
$335
Find similar
Delta
Sep 30
IDA6:51 pmIdaho Falls Fanning Field
12h 23m
2 stops
STL8:14 amLambert-St Louis
Oct 4
STL5:30 pmLambert-St Louis
5h 55m
1 stop
IDA10:25 pmIdaho Falls Fanning Field
$373
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Missouri 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, momondo users made 832,500 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Idaho Falls to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Fri 10/17

6:53 pm-12:18 am

1 stop4h 25m

Kansas City

Tue 10/21

6:15 pm-10:15 pm

1 stop5h 00m

$301

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Fri 10/17

6:53 pm-12:18 am

1 stop4h 25m

Kansas City

Tue 10/21

1:37 pm-10:15 pm

2 stops9h 38m

$335

Idaho FallsSpringfield

IDA - SGF

IDASGF

Idaho Falls Fanning Field

Sat 10/4

9:41 am-10:07 pm

2 stops11h 26m

Springfield-Branson

Sat 10/11

6:00 am-9:48 am

1 stop4h 48m

$341

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Tue 9/30

6:13 am-2:39 pm

1 stop7h 26m

Lambert-St Louis

Sat 10/4

3:57 pm-10:38 pm

1 stop7h 41m

$367

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Thu 9/18

4:15 pm-11:27 pm

1 stop6h 12m

Kansas City

Mon 9/22

1:45 pm-5:15 pm

1 stop4h 30m

$371

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Tue 9/30

6:51 pm-8:14 am

2 stops12h 23m

Lambert-St Louis

Sat 10/4

5:30 pm-10:25 pm

1 stop5h 55m

$373

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Mon 12/1

7:58 pm-12:40 am

1 stop27h 42m

Kansas City

Fri 12/5

7:00 am-1:16 pm

1 stop7h 16m

$387

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Thu 10/2

1:35 pm-10:23 pm

1 stop7h 48m

Lambert-St Louis

Thu 10/9

6:00 am-12:25 pm

1 stop7h 25m

$431

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Thu 9/25

12:41 pm-8:25 pm

1 stop6h 44m

Lambert-St Louis

Mon 9/29

5:18 am-12:59 pm

1 stop8h 41m

$455

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Mon 12/1

3:22 pm-9:04 am

2 stops40h 42m

Kansas City

Fri 12/5

7:00 am-1:16 pm

1 stop7h 16m

$633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Missouri from

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

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from Idaho Falls to Missouri is on a Thursday when prices can be found for as low as $631. Flights from Idaho Falls to Missouri on a Monday will generally be more expensive and average around $811. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Missouri?

According to our data, the cheapest time of day to fly to Missouri is in the evening. momondo users have found flights departing from Idaho Falls to Missouri in the evening for as low as $548. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the afternoon, with an average ticket price of $704. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 44% 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

Direct flights

None
There are no direct flights from Idaho Falls to Missouri. There are no popular flight routes from Idaho Falls to Missouri.
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $258Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $313Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
10,000 reviews
Search American 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.

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