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Idaho Falls

$152+ Cheap flights from Missouri to Idaho Falls (IDA)

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IDA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Missouri to Idaho Falls

Keep the following information in mind while searching for Missouri to Idaho Falls flight deals. Data was last updated February 20, 2025.

Round-trip from

$305
(Delta)

One-way from

$152
(Hawaiian Airlines)
From Missouri to Idaho Falls Fanning Field
Search Deals
One-way flight from Missouri to Idaho Falls Fanning Field
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Find flight deals from Missouri to Idaho Falls

Cheapest flights from Missouri to Idaho Falls
Explore the most affordable flight options available from Missouri to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 4/26:10 pmMCI - IDA
1 stop5h 23mDelta
Sat 4/53:30 pmIDA - MCI
1 stop4h 43mDelta
Deal found 2/19$305
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 3/187:00 amMCI - IDA
1 stop9h 30mAlaska Airlines
Tue 3/258:00 amIDA - MCI
1 stop14h 59mAlaska Airlines
Deal found 2/19$358
This Delta deal was found by Cheapflights users on 2/18. 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.
Fri 3/212:20 pmSTL - IDA
1 stop4h 53mDelta
Fri 3/286:55 pmIDA - STL
1 stop4h 37mDelta
Deal found 2/18$412
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1810:20 amMCI - IDA
2 stops11h 46mUnited Airlines
Tue 3/255:48 pmIDA - MCI
1 stop4h 56mUnited Airlines
Deal found 2/19$426
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/57:00 amSTL - IDA
1 stop9h 30mAlaska Airlines
Wed 3/128:00 amIDA - STL
1 stop14h 59mAlaska Airlines
Deal found 2/19$464
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/56:30 amSTL - IDA
2 stops8h 01mUnited Airlines
Wed 3/1210:38 amIDA - STL
1 stop4h 56mUnited Airlines
Deal found 2/19$511
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 2/265:30 amSGF - IDA
1 stop5h 10mUnited Airlines
Sun 3/25:44 pmIDA - SGF
1 stop4h 43mUnited Airlines
Deal found 2/19$519
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 9/124:17 pmSTL - IDA
1 stop5h 51mAmerican Airlines
Sun 9/147:34 amIDA - STL
2 stops14h 51mAmerican Airlines
Deal found 2/18$710
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/268:49 amSGF - IDA
2 stops14h 47mMultiple Airlines
Sun 3/22:30 pmIDA - SGF
2 stops22h 35mMultiple Airlines
Deal found 2/19$1,201

Find flights from Missouri to Idaho Falls within your budget

Customize your flight search to find flights from Missouri to Idaho Falls 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 February 20, 2025.

Fly from

Missouri

Fly to

Idaho Falls

Route

Depart

Return

Price

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Wed 4/2

6:10 pm-10:33 pm

1 stop5h 23m

Idaho Falls Fanning Field

Sat 4/5

3:30 pm-9:13 pm

1 stop4h 43m

$305

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 3/18

7:00 am-3:30 pm

1 stop9h 30m

Idaho Falls Fanning Field

Tue 3/25

8:00 am-11:59 pm

1 stop14h 59m

$358

St. LouisIdaho Falls

STL - IDA

STLIDA

Lambert-St Louis

Fri 3/21

2:20 pm-6:13 pm

1 stop4h 53m

Idaho Falls Fanning Field

Fri 3/28

6:55 pm-12:32 am

1 stop4h 37m

$412

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Tue 3/18

10:20 am-9:06 pm

2 stops11h 46m

Idaho Falls Fanning Field

Tue 3/25

5:48 pm-11:44 pm

1 stop4h 56m

$426

St. LouisIdaho Falls

STL - IDA

STLIDA

Lambert-St Louis

Wed 3/5

7:00 am-3:30 pm

1 stop9h 30m

Idaho Falls Fanning Field

Wed 3/12

8:00 am-11:59 pm

1 stop14h 59m

$464

St. LouisIdaho Falls

STL - IDA

STLIDA

Lambert-St Louis

Wed 3/5

6:30 am-1:31 pm

2 stops8h 01m

Idaho Falls Fanning Field

Wed 3/12

10:38 am-4:34 pm

1 stop4h 56m

$511

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 4/5

2:55 pm-10:35 pm

1 stop8h 40m

$152

Kansas CityIdaho Falls

MCI - IDA

MCIIDA

Kansas City

Sat 4/5

7:45 am-3:23 pm

2 stops8h 38m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from Missouri to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Missouri 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.

Travel insights for flights from Missouri to Idaho Falls

Get recent, data-driven insights about flights from Missouri to Idaho Falls including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Missouri to Idaho Falls (average of $380). Flying from Missouri to Idaho Falls in July is currently the most expensive (average of $628). 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.

Rainfall in Idaho Falls by month

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

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

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

If weather is an important factor for your trip to Idaho Falls, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated February 20, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Missouri to Idaho Falls. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,697 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,697 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,219 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,765 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Missouri to Idaho Falls. 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 into for flights to Idaho Falls from Missouri?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly into when you book flights from Missouri to Idaho Falls.

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

    The most popular route from Missouri to Idaho Falls is Kansas City - Idaho Falls Fanning Field. You may also consider Lambert-St Louis - Idaho Falls Fanning Field or Springfield-Branson - Idaho Falls Fanning Field.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Idaho Falls 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 Missouri to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Missouri to Idaho Falls (average of $380). Flying from Missouri to Idaho Falls in July is currently the most expensive (average of $628). 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

Traveling to a place near Missouri?

Book flights to Missouri if you plan to visit one of these locations
Rexburg

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Top 3 airlines flying from Missouri to Idaho Falls

Discover the top 3 airlines that operate flights from Missouri to Idaho Falls. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$305Average$653FlexibilityNo cancel feeOn-time71%
DeltaCheapest$329Average$584FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$363Average$634FlexibilityNo cancel feeOn-time69%
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