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$164+ Cheap flights from Idaho Falls (IDA) to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — STL
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Idaho Falls to Missouri

Keep the following information in mind while searching for Idaho Falls to Missouri flight deals. Data was last updated abril 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$371
(Delta)

One-way from

$164
(Delta)

Popular in

October

Cheapest in

May

Average price

$635
Provider with most accurate pricing for Idaho Falls Fanning Field-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Kansas City flights.
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From Idaho Falls Fanning Field to Missouri
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One-way flight from Idaho Falls Fanning Field to Missouri
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Highest demand for flights based on searches. 23% potential increase in price ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Idaho Falls to Missouri

Cheapest flights from Idaho Falls to Missouri
Explore the most affordable flight options available from Idaho Falls to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/306:50 pmIDA - STL
1 stop5h 09mDelta
lun. 6/21:09 pmSTL - IDA
2 stops10h 42mDelta
Deal found 4/17$371
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/41:09 pmIDA - MCI
1 stop6h 58mDelta
mar. 7/86:40 amMCI - IDA
1 stop4h 53mDelta
Deal found 4/17$381
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/2312:30 pmIDA - MCI
1 stop7h 06mAmerican Airlines
mar. 8/266:14 amMCI - IDA
1 stop6h 46mAmerican Airlines
Deal found 4/17$394
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/210:53 amIDA - SGF
2 stops10h 08mUnited Airlines
mar. 5/65:45 amSGF - IDA
1 stop4h 47mUnited Airlines
Deal found 4/17$418
This Alaska Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/304:20 pmIDA - STL
1 stop6h 44mAlaska Airlines
lun. 6/26:18 pmSTL - IDA
1 stop22h 22mAlaska Airlines
Deal found 4/17$421
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/51:51 pmIDA - STL
1 stop8h 28mAmerican Airlines
sáb. 6/143:08 pmSTL - IDA
1 stop7h 27mAmerican Airlines
Deal found 4/17$449
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/237:00 amIDA - MCI
2 stops9h 20mUnited Airlines
mar. 8/2611:33 amMCI - IDA
2 stops10h 20mUnited Airlines
Deal found 4/17$484
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/94:13 pmIDA - STL
1 stop4h 37mUnited Airlines
sáb. 7/125:15 amSTL - IDA
1 stop13h 07mUnited Airlines
Deal found 4/17$495
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/212:59 pmIDA - SGF
1 stop6h 24mAmerican Airlines
mar. 5/64:28 pmSGF - IDA
1 stop5h 49mAmerican Airlines
Deal found 4/17$560
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/14:35 pmIDA - MCI
2 stops15h 31mAlaska Airlines
lun. 5/55:30 amMCI - IDA
2 stops11h 28mAlaska Airlines
Deal found 4/16$1,004

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated abril 17, 2025.
Use the filters below to find and compare flights from Idaho Falls to Missouri that are best for you.

Fly from

Idaho Falls

Fly to

Missouri

Route

Depart

Return

Price

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

vie. 5/30

6:50 pm-12:59 am

1 stop5h 09m

Lambert-St Louis

lun. 6/2

1:09 pm-10:51 pm

2 stops10h 42m

$371

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

vie. 7/4

1:09 pm-9:07 pm

1 stop6h 58m

Kansas City

mar. 7/8

6:40 am-10:33 am

1 stop4h 53m

$381

Idaho FallsSpringfield

IDA - SGF

IDASGF

Idaho Falls Fanning Field

vie. 5/2

10:53 am-10:01 pm

2 stops10h 08m

Springfield-Branson

mar. 5/6

5:45 am-9:32 am

1 stop4h 47m

$418

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

vie. 5/30

4:20 pm-12:04 am

1 stop6h 44m

Lambert-St Louis

lun. 6/2

6:18 pm-3:40 pm

1 stop22h 22m

$421

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

jue. 6/5

1:51 pm-11:19 pm

1 stop8h 28m

Lambert-St Louis

sáb. 6/14

3:08 pm-9:35 pm

1 stop7h 27m

$449

Idaho FallsSt. Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

mié. 7/9

4:13 pm-9:50 pm

1 stop4h 37m

Lambert-St Louis

sáb. 7/12

5:15 am-5:22 pm

1 stop13h 07m

$495

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

vie. 4/25

12:59 pm-10:04 pm

1 stop8h 05m

Kansas City

lun. 4/28

2:44 pm-10:10 pm

1 stop8h 26m

$511

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

jue. 5/1

4:22 pm-11:44 pm

1 stop6h 22m

Kansas City

lun. 5/5

6:00 am-9:32 am

1 stop4h 32m

$521

Idaho FallsSpringfield

IDA - SGF

IDASGF

Idaho Falls Fanning Field

vie. 5/2

12:59 pm-8:23 pm

1 stop6h 24m

Springfield-Branson

mar. 5/6

4:28 pm-9:17 pm

1 stop5h 49m

$560

Idaho FallsKansas City

IDA - MCI

IDAMCI

Idaho Falls Fanning Field

jue. 5/1

4:35 pm-9:06 am

2 stops15h 31m

Kansas City

lun. 5/5

5:30 am-3:58 pm

2 stops11h 28m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 14 results
1
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Best time to book a flight from Idaho Falls to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Missouri

What is the cheapest month to book a flight from Idaho Falls to Missouri?

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Missouri (average of $311). Flying from Idaho Falls to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IDA to MO?

Find hourly flight availability from Idaho Falls to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

When flying from Idaho Falls to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated abril 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Idaho Falls to Missouri to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Missouri?

    Most people fly from Idaho Falls Fanning Field (IDA) if they book a flight from Idaho Falls to Missouri. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • What are the cheapest airlines to fly from Idaho Falls to Missouri one-way?

    The cheapest airlines for a one-way flight from Idaho Falls to Missouri are Delta ($164), Alaska Airlines ($279), and United Airlines ($332).

  • What are the most popular routes from Idaho Falls to Missouri?

    Most travelers choose Idaho Falls Fanning Field - Lambert-St Louis, Idaho Falls Fanning Field - Kansas City or Idaho Falls Fanning Field - Springfield-Branson when deciding on the best route from Idaho Falls to Missouri.

  • Can I find deals for flights from Idaho Falls to Missouri that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Missouri.

  • Can I find deals for business class flights from Idaho Falls to Missouri?

    Yes. Cheapflights offers flight deals from Idaho Falls to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho Falls to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Missouri (average of $311). Flying from Idaho Falls to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Idaho Falls to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Idaho Falls to Missouri

Discover the top 2 airlines that operate flights from Idaho Falls to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$559FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$313Average$582FlexibilityNo cancel feeOn-time69%

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