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Cheap flights from Idaho Falls to Missouri from $200

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 11/18. 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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Find the cheapest flights from Idaho Falls to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 2:27 pmIDA-MCI
8h 27m2 stops
United Airlines Logo
5:45 am - 9:56 amMCI-IDA
5h 11m1 stop
$326United Airlines
Find Deal
Tue, Jan 6 - Mon, Jan 12
United Airlines Logo
2:40 pm - 8:56 pmIDA-SGF
5h 16m1 stop
United Airlines Logo
9:03 am - 1:30 pmSGF-IDA
5h 27m1 stop
$342United Airlines
Find Deal
Wed, Feb 18 - Wed, Feb 25
Delta Logo
6:00 am - 1:15 pmIDA-MCI
6h 15m1 stop
Delta Logo
6:40 am - 12:31 pmMCI-IDA
6h 51m1 stop
$350Delta
Find Deal
Tue, Apr 7 - Wed, Apr 8
Delta Logo
1:17 pm - 7:10 pmIDA-STL
4h 53m1 stop
Delta Logo
6:30 am - 12:37 pmSTL-IDA
7h 07m1 stop
$371Delta
Find Deal
Wed, Dec 3 - Tue, Dec 9
Alaska Airlines Logo
9:00 am - 3:05 pmIDA-MCI
29h 05m2 stops
Alaska Airlines Logo
2:38 pm - 10:59 pmMCI-IDA
9h 21m1 stop
$437Alaska Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
10:52 pm - 2:52 pmIDA-MCI
15h 00m1 stop
Multiple Airlines Logo
7:00 am - 4:12 pmMCI-IDA
10h 12m1 stop
$438Multiple Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2
Multiple Airlines Logo
10:52 pm - 7:51 pmIDA-MCI
19h 59m2 stops
Multiple Airlines Logo
7:00 am - 4:12 pmMCI-IDA
10h 12m1 stop
$452Multiple Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2
Alaska Airlines Logo
9:00 am - 3:05 pmIDA-MCI
29h 05m2 stops
Alaska Airlines Logo
3:59 pm - 6:18 pmMCI-IDA
27h 19m2 stops
$453Alaska Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 25
American Airlines Logo
1:58 pm - 10:59 pmIDA-STL
8h 01m1 stop
American Airlines Logo
7:00 am - 12:46 pmSTL-IDA
6h 46m1 stop
$516American Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 18
American Airlines Logo
6:42 am - 12:30 pmIDA-SGF
28h 48m2 stops
American Airlines Logo
8:24 am - 1:32 pmSGF-IDA
6h 08m1 stop
$605American Airlines
Find Deal
Mon, Feb 16 - Tue, Feb 24

American Airlines flights from Idaho Falls to Missouri

Our best American Airlines deals on Idaho Falls to Missouri flight tickets
American Airlines
Dec 2
IDA1:58 pmIdaho Falls Fanning Field
8h 01m
1 stop
STL10:59 pmLambert-St Louis
Dec 18
STL7:00 amLambert-St Louis
6h 46m
1 stop
IDA12:46 pmIdaho Falls Fanning Field
$516
Find similar
American Airlines
Feb 16
IDA6:42 amIdaho Falls Fanning Field
28h 48m
2 stops
SGF12:30 pmSpringfield-Branson
Feb 24
SGF8:24 amSpringfield-Branson
6h 08m
1 stop
IDA1:32 pmIdaho Falls Fanning Field
$605
Find similar
American Airlines
Dec 2
IDA7:00 amIdaho Falls Fanning Field
14h 59m
2 stops
STL10:59 pmLambert-St Louis
Dec 18
STL7:00 amLambert-St Louis
6h 46m
1 stop
IDA12:46 pmIdaho Falls Fanning Field
$619
Find similar

Delta flights from Idaho Falls to Missouri

Our best Delta deals on Idaho Falls to Missouri flight tickets
Delta
Apr 7
IDA6:00 amIdaho Falls Fanning Field
6h 15m
1 stop
MCI1:15 pmKansas City
Apr 8
MCI6:40 amKansas City
6h 51m
1 stop
IDA12:31 pmIdaho Falls Fanning Field
$350
Find similar
Delta
Dec 3
IDA1:17 pmIdaho Falls Fanning Field
4h 53m
1 stop
STL7:10 pmLambert-St Louis
Dec 9
STL6:30 amLambert-St Louis
7h 07m
1 stop
IDA12:37 pmIdaho Falls Fanning Field
$371
Find similar
Delta
Dec 3
IDA1:17 pmIdaho Falls Fanning Field
4h 53m
1 stop
STL7:10 pmLambert-St Louis
Dec 10
STL6:39 amLambert-St Louis
12h 47m
2 stops
IDA6:26 pmIdaho Falls Fanning Field
$376
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 November 3, 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

Tue 1/6

5:00 am-2:27 pm

2 stops8h 27m

Kansas City

Mon 1/12

5:45 am-9:56 am

1 stop5h 11m

$326

Idaho FallsSpringfield

IDA - SGF

IDASGF

Idaho Falls Fanning Field

Wed 2/18

2:40 pm-8:56 pm

1 stop5h 16m

Springfield-Branson

Wed 2/25

9:03 am-1:30 pm

1 stop5h 27m

$342

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Tue 4/7

6:00 am-1:15 pm

1 stop6h 15m

Kansas City

Wed 4/8

6:40 am-12:31 pm

1 stop6h 51m

$350

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Wed 12/3

1:17 pm-7:10 pm

1 stop4h 53m

Lambert-St Louis

Tue 12/9

6:30 am-12:37 pm

1 stop7h 07m

$371

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Sun 1/18

9:00 am-3:05 pm

2 stops29h 05m

Kansas City

Sun 1/25

2:38 pm-10:59 pm

1 stop9h 21m

$437

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Fri 12/26

10:52 pm-2:52 pm

1 stop15h 00m

Kansas City

Fri 1/2

7:00 am-4:12 pm

1 stop10h 12m

$438

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Fri 12/26

10:52 pm-7:51 pm

2 stops19h 59m

Kansas City

Fri 1/2

7:00 am-4:12 pm

1 stop10h 12m

$452

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

Sun 1/18

9:00 am-3:05 pm

2 stops29h 05m

Kansas City

Sun 1/25

3:59 pm-6:18 pm

2 stops27h 19m

$453

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Tue 12/2

1:58 pm-10:59 pm

1 stop8h 01m

Lambert-St Louis

Thu 12/18

7:00 am-12:46 pm

1 stop6h 46m

$516

Idaho FallsSpringfield

IDA - SGF

IDASGF

Idaho Falls Fanning Field

Mon 2/16

6:42 am-12:30 pm

2 stops28h 48m

Springfield-Branson

Tue 2/24

8:24 am-1:32 pm

1 stop6h 08m

$605

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 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

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
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
8,997 reviews
Search United 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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