Idaho

$144+ Cheap flights from Missouri to Idaho

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Jan 15 — Jan 221
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Cheap flight deals from Missouri to Idaho

Cheapest flights from Missouri to Idaho
Explore the most affordable flight options available from Missouri to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:35 pmMCI - JAC
1 stop7h 54mDelta
Sat 12/275:45 pmJAC - MCI
1 stop5h 27mDelta
Deal found 12/16$399
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:43 pmSTL - BOI
1 stop17h 00mFrontier
Sun 1/412:38 pmBOI - STL
2 stops31h 47mFrontier
Deal found 12/16$403
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:56 pmMCI - GEG
1 stop8h 04mMultiple Airlines
Sun 12/2812:02 pmGEG - MCI
1 stop5h 49mMultiple Airlines
Deal found 12/16$417
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:04 amMCI - BOI
1 stop8h 33mMultiple Airlines
Sun 1/412:38 pmBOI - MCI
1 stop6h 13mMultiple Airlines
Deal found 12/15$456
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 12/199:00 amMCI - JAC
1 stop7h 24mUnited Airlines
Sun 12/217:00 amJAC - MCI
1 stop5h 02mUnited Airlines
Deal found 12/15$459
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/245:07 pmMCI - GEG
1 stop5h 51mUnited Airlines
Mon 12/294:00 pmGEG - MCI
1 stop5h 15mUnited Airlines
Deal found 12/15$460
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:01 pmSGF - BOI
1 stop9h 39mAllegiant Air
Sun 12/219:30 pmBOI - SGF
1 stop12h 11mAllegiant Air
Deal found 12/15$469
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sat 12/205:45 amMCI - JAC
1 stop5h 10mUnited Airlines
Tue 12/231:00 pmJAC - MCI
1 stop8h 30mUnited Airlines
Deal found 12/15$469
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/258:00 amMCI - JAC
1 stop4h 55mDelta
Mon 12/295:40 pmJAC - MCI
1 stop5h 32mDelta
Deal found 12/14$479
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:50 pmMCI - JAC
1 stop4h 35mUnited Airlines
Sat 12/2710:37 amJAC - MCI
1 stop4h 30mUnited Airlines
Deal found 12/16$483
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/224:00 pmSGF - GEG
1 stop6h 38mAmerican Airlines
Wed 1/146:00 amGEG - SGF
1 stop7h 58mAmerican Airlines
Deal found 12/15$493
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:43 pmSTL - GEG
2 stops22h 10mFrontier
Sun 1/412:02 pmGEG - STL
1 stop20h 00mFrontier
Deal found 12/16$507

Find flight deals from Missouri to Idaho

Keep the following information in mind while searching for Missouri to Idaho flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(Delta)

One-way from

$144
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$466
Provider with most accurate pricing for Lambert-St Louis-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Boise Air Term. Gowen Fld flights.
From Missouri to Idaho
One-way flight from Missouri to Idaho
Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Idaho 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 December 16, 2025.
Use the filters below to find and compare flights from Missouri to Idaho that are best for you.

Fly from

Missouri

Fly to

Idaho

Route

Depart

Return

Price

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Wed 1/7

1:56 pm-7:25 pm

1 stop6h 29m

Boise Air Term. Gowen Fld

Sun 1/11

2:56 pm-11:59 pm

1 stop8h 03m

$197

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 1/6

7:00 am-1:00 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Sat 1/10

3:01 pm-11:27 pm

1 stop7h 26m

$197

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sun 1/25

1:56 pm-7:25 pm

1 stop6h 29m

Boise Air Term. Gowen Fld

Wed 1/28

1:58 pm-11:12 pm

1 stop8h 14m

$226

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Mon 1/12

11:55 am-7:25 pm

1 stop8h 30m

Boise Air Term. Gowen Fld

Mon 1/19

2:48 pm-11:59 pm

1 stop8h 11m

$228

Kansas CityJackson

MCI - JAC

MCIJAC

Kansas City

Wed 1/28

5:45 am-9:55 am

1 stop5h 10m

Jackson Hole

Sat 1/31

2:40 pm-8:33 pm

1 stop4h 53m

$229

Kansas CityJackson

MCI - JAC

MCIJAC

Kansas City

Tue 1/20

2:53 pm-7:06 pm

1 stop5h 13m

Jackson Hole

Sat 1/24

2:40 pm-11:51 pm

1 stop8h 11m

$229

Kansas CityJackson

MCI - JAC

MCIJAC

Kansas City

Fri 2/20

6:30 am-12:07 pm

1 stop6h 37m

Jackson Hole

Tue 2/24

3:35 pm-11:29 pm

1 stop6h 54m

$229

Kansas CitySpokane

MCI - GEG

MCIGEG

Kansas City

Fri 1/23

5:10 pm-9:22 pm

1 stop6h 12m

Spokane

Sat 1/24

6:53 am-7:13 pm

1 stop10h 20m

$232

Kansas CitySpokane

MCI - GEG

MCIGEG

Kansas City

Fri 1/23

2:45 pm-9:25 pm

1 stop8h 40m

Spokane

Tue 1/27

5:45 am-1:50 pm

1 stop6h 05m

$236

Kansas CitySpokane

MCI - GEG

MCIGEG

Kansas City

Tue 1/6

4:56 pm-11:00 pm

1 stop8h 04m

Spokane

Tue 1/13

5:45 am-1:50 pm

1 stop6h 05m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Idaho

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

Cheapflights Insights

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

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

Currently, June is the cheapest month in which you can book a flight from Missouri to Idaho (average of $133). Flying from Missouri to Idaho in July is currently the most expensive (average of $286). 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 MO to ID?

Find hourly flight availability from Missouri to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

It’s optimal to fly from Missouri to Idaho in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Missouri to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Idaho. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Idaho flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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. Reviews last updated December 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Missouri to Idaho by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Missouri to Idaho?

    Airlines like American Airlines, Delta, and United Airlines fly from Missouri to Idaho in about 5h 10m. The time it takes to get you to your destination can typically vary by up to 1h 50m. Missouri and Idaho are separated by a distance of 879 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $82 on Southwest. Other airlines that offer cheap prices include United Airlines from $117 and Delta from $139 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Idaho 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?

    Currently, June is the cheapest month in which you can book a flight from Missouri to Idaho (average of $133). Flying from Missouri to Idaho in July is currently the most expensive (average of $286). 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 Missouri to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Missouri to Idaho

Discover the top 5 airlines that operate flights from Missouri to Idaho. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$166Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$524FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$440FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$288Average$398FlexibilityNo cancel feeOn-time75%

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