What airlines fly to Idaho Falls?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Idaho Falls from Missouri according to our data. United Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Idaho Falls?

If you’re flying from a popular airport in Missouri, such as Springfield or Kansas City, and flying into Idaho Falls, then you can expect flight times to average 4h 40m and 4h 44m, respectively.

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

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

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

Prices for flights from Missouri to Idaho Falls Fanning Field Airport were last updated today.

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

As of October 2026, there are 2 operators available to choose from for flights from Missouri to Idaho Falls Fanning Field Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Idaho Falls Fanning Field Airport.

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$185 Cheap Flights from Missouri to Idaho Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Idaho Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 pm - 9:41 amSGF Springfield-Branson-IDA Idaho Falls Fanning Field

14h 06m1 stop Phoenix-Mesa Gateway

11:01 am - 12:43 pmIDA Idaho Falls Fanning Field-SGF Springfield-Branson

24h 42m1 stop Phoenix-Mesa Gateway

$347Allegiant Air

Thu, Jan 7 - Mon, Feb 1

5:40 am - 1:09 pmSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

8h 29m1 stop Dallas/Fort Worth

1:50 pm - 9:13 pmIDA Idaho Falls Fanning Field-STL Lambert-St Louis

6h 23m1 stop Chicago O'Hare Intl

$349American Airlines

Thu, Oct 29 - Sat, Oct 31

5:00 pm - 10:10 pmSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

6h 10m1 stop Salt Lake City

6:56 pm - 12:44 amIDA Idaho Falls Fanning Field-STL Lambert-St Louis

4h 48m1 stop Salt Lake City

$349Delta

Sat, Oct 24 - Sun, Nov 8

5:00 pm - 10:10 pmSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

6h 10m1 stop Salt Lake City

6:57 pm - 12:40 amIDA Idaho Falls Fanning Field-STL Lambert-St Louis

4h 43m1 stop Salt Lake City

$349Delta

Sat, Oct 24 - Mon, Nov 9

5:10 am - 9:53 amSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

5h 43m1 stop Denver Intl

10:35 am - 4:57 pmIDA Idaho Falls Fanning Field-STL Lambert-St Louis

5h 22m1 stop Denver Intl

$349United Airlines

Sat, Oct 24 - Sat, Nov 7

7:45 am - 12:22 pmSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

5h 37m1 stop Salt Lake City

6:56 pm - 12:44 amIDA Idaho Falls Fanning Field-STL Lambert-St Louis

4h 48m1 stop Salt Lake City

$349Delta

Tue, Oct 27 - Sun, Nov 8

5:10 am - 9:53 amSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

5h 43m1 stop Denver Intl

10:35 am - 9:40 pmIDA Idaho Falls Fanning Field-STL Lambert-St Louis

10h 05m2 stops Denver Intl Chicago O'Hare Intl

$354United Airlines

Sat, Oct 24 - Sat, Nov 7

5:45 am - 9:53 amMCI Kansas City-IDA Idaho Falls Fanning Field

5h 08m1 stop Denver Intl

4:30 pm - 11:52 pmIDA Idaho Falls Fanning Field-MCI Kansas City

6h 22m1 stop Denver Intl

$365United Airlines

Mon, Oct 26 - Mon, Nov 2

1:20 pm - 10:59 pmSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

10h 39m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

6:36 am - 7:22 pmIDA Idaho Falls Fanning Field-STL Lambert-St Louis

11h 46m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$380American Airlines

Tue, Nov 10 - Fri, Nov 13

7:02 am - 3:20 pmSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

9h 18m1 stop Seattle/Tacoma Intl

1:53 pm - 11:59 pmIDA Idaho Falls Fanning Field-STL Lambert-St Louis

9h 06m1 stop Seattle/Tacoma Intl

$392Alaska Airlines

Wed, Oct 21 - Mon, Nov 9

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Missouri to Idaho Falls

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

United Airlines

Oct 26

MCI5:45 amKansas City

5h 08m

1 stop

IDA9:53 amIdaho Falls Fanning Field

Nov 2

IDA4:30 pmIdaho Falls Fanning Field

6h 22m

1 stop

MCI11:52 pmKansas City

$365

United Airlines

Oct 15

STL5:10 amLambert-St Louis

5h 43m

1 stop

IDA9:53 amIdaho Falls Fanning Field

Oct 24

IDA2:28 pmIdaho Falls Fanning Field

5h 08m

1 stop

STL8:36 pmLambert-St Louis

$374

United Airlines

Nov 25

MCI5:45 amKansas City

5h 08m

1 stop

IDA9:53 amIdaho Falls Fanning Field

Nov 30

IDA5:30 pmIdaho Falls Fanning Field

5h 17m

1 stop

MCI11:47 pmKansas City

$391

Alaska Airlines flights from Missouri to Idaho Falls

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

Alaska Airlines

Dec 4

MCI6:30 amKansas City

9h 37m

1 stop

IDA3:07 pmIdaho Falls Fanning Field

Dec 12

IDA6:00 amIdaho Falls Fanning Field

8h 23m

1 stop

MCI3:23 pmKansas City

$413

Alaska Airlines

Oct 21

STL7:02 amLambert-St Louis

9h 18m

1 stop

IDA3:20 pmIdaho Falls Fanning Field

Nov 8

IDA1:53 pmIdaho Falls Fanning Field

9h 06m

1 stop

STL11:59 pmLambert-St Louis

$415

Alaska Airlines

Dec 4

MCI6:30 amKansas City

9h 37m

1 stop

IDA3:07 pmIdaho Falls Fanning Field

Dec 7

IDA1:54 pmIdaho Falls Fanning Field

9h 05m

1 stop

MCI11:59 pmKansas City

$429

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpringfieldIdaho Falls

SGF Springfield-Branson - IDA Idaho Falls Fanning Field

SGFIDA

Springfield-Branson

Thu 1/7

8:35 pm-9:41 am

1 stop14h 06m

Idaho Falls Fanning Field

Mon 2/1

11:01 am-12:43 pm

1 stop24h 42m

$347

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Thu 10/29

5:40 am-1:09 pm

1 stop8h 29m

Idaho Falls Fanning Field

Sat 10/31

1:50 pm-9:13 pm

1 stop6h 23m

$349

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Sat 10/24

5:00 pm-10:10 pm

1 stop6h 10m

Idaho Falls Fanning Field

Sun 11/8

6:56 pm-12:44 am

1 stop4h 48m

$349

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Sat 10/24

5:00 pm-10:10 pm

1 stop6h 10m

Idaho Falls Fanning Field

Mon 11/9

6:57 pm-12:40 am

1 stop4h 43m

$349

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Sat 10/24

5:10 am-9:53 am

1 stop5h 43m

Idaho Falls Fanning Field

Sat 11/7

10:35 am-4:57 pm

1 stop5h 22m

$349

Quickest round-trip

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Tue 10/27

7:45 am-12:22 pm

1 stop5h 37m

Idaho Falls Fanning Field

Sun 11/8

6:56 pm-12:44 am

1 stop4h 48m

$349

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Sat 10/24

5:10 am-9:53 am

1 stop5h 43m

Idaho Falls Fanning Field

Sat 11/7

10:35 am-9:40 pm

2 stops10h 05m

$354

Kansas CityIdaho Falls

MCI Kansas City - IDA Idaho Falls Fanning Field

MCIIDA

Kansas City

Mon 10/26

5:45 am-9:53 am

1 stop5h 08m

Idaho Falls Fanning Field

Mon 11/2

4:30 pm-11:52 pm

1 stop6h 22m

$365

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Tue 11/10

1:20 pm-10:59 pm

2 stops10h 39m

Idaho Falls Fanning Field

Fri 11/13

6:36 am-7:22 pm

2 stops11h 46m

$380

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Wed 10/21

7:02 am-3:20 pm

1 stop9h 18m

Idaho Falls Fanning Field

Mon 11/9

1:53 pm-11:59 pm

1 stop9h 06m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

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

Other information

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $378.

Cheap Missouri to Idaho Falls flight deals and tips

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

Best Price Found	$185
Fastest flight time	4h 53m
Direct flights	None

The best one-way flight to Idaho Falls from Missouri in the past 72 hours is $185. The best round-trip flight deal from Missouri to Idaho Falls found on momondo in the last 72 hours is $347.

The fastest flight from Missouri to Idaho Falls takes 4h 53m

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

Search flight deals

Frequently asked questions about flying from Missouri to Idaho Falls

When did momondo last update prices for flights from Missouri to Idaho Falls Fanning Field Airport?
Prices for flights from Missouri to Idaho Falls Fanning Field Airport were last updated today.
How many operators does momondo search for flights from Missouri to Idaho Falls Fanning Field Airport?
As of October 2026, there are 2 operators available to choose from for flights from Missouri to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from Missouri to Idaho Falls Fanning Field Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Idaho Falls

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $295	Free Cancellation	Rating 7.4 10,275 reviews		Search United Airlines flights
Delta	PriceFrom $313	Free Cancellation	Rating 7.8 8,624 reviews		Search Delta flights

Rexburg

Why use momondo?

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

It is quick and easy to find Missouri to Idaho Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.

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

Yes. momondo allows you to filter the results for Missouri to Idaho Falls flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Idaho Falls from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Missouri to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 11/1

Sun 11/8

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Missouri

Complete your trip

Feeling lucky

Airports servicing Idaho

Boise Air Term. Gowen Fld Airport

Lewiston Nez Perce Rgnl Airport

Pocatello Airport

Hailey Sun Valley-Friedman Airport

Twin Falls Joslin Airport

Cheap flights from Missouri to Idaho Falls from $185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Idaho Falls departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Missouri to Idaho Falls

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Missouri to Idaho Falls

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

Alaska Airlines flights from Missouri to Idaho Falls

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

momondo Fare Finder

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

See travel insights to Idaho Falls from

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

What is the cheapest month to fly to Idaho Falls?

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

What airlines fly to Idaho Falls?

How long does it take to fly to Idaho Falls?

Cheap Missouri to Idaho Falls flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Idaho Falls

Best airlines flying from Missouri to Idaho Falls

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

Traveling to a place near Idaho Falls?

Why use momondo?

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho

Fly your favorite airline to Idaho Falls

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Idaho Falls

List of cabin classes available on flights landing in Idaho Falls. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Missouri

According to popular flight searches on momondo this year

Complete your trip to Idaho Falls

Explore popular destinations other users love

According to popular flight searches on momondo this year