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$92+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Missouri to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Missouri (USMO) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find 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 November 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/102:33 pmMCI - BOI
1 stop25h 17mSpirit Airlines
Mon 12/1611:57 amBOI - MCI
1 stop24h 37mSpirit Airlines
Deal found 11/19$146
This Delta deal was found by Cheapflights users on 11/20. 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 12/126:25 pmMCI - GEG
2 stops7h 41mDelta
Mon 12/163:40 pmGEG - MCI
1 stop6h 33mDelta
Deal found 11/20$208
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/122:27 pmMCI - GEG
1 stop11h 28mAlaska Airlines
Mon 12/165:00 amGEG - MCI
1 stop16h 59mAlaska Airlines
Deal found 11/20$252
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 12/107:00 amMCI - BOI
1 stop17h 59mAlaska Airlines
Mon 12/162:47 pmBOI - MCI
1 stop8h 12mAlaska Airlines
Deal found 11/19$272
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 12/72:39 pmSGF - BOI
1 stop9h 05mUnited Airlines
Mon 12/162:35 pmBOI - SGF
1 stop4h 53mUnited Airlines
Deal found 11/19$293
This Expedia deal was found by Cheapflights users on 11/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1810:46 pmMCI - BOI
1 stop13h 16mMultiple Airlines
Wed 12/2510:11 amBOI - MCI
1 stop12h 48mMultiple Airlines
Deal found 11/18$295
This Delta deal was found by Cheapflights users on 11/20. 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 12/187:20 amSTL - BOI
1 stop6h 00mDelta
Wed 12/255:32 amBOI - STL
1 stop8h 17mDelta
Deal found 11/20$300
This Delta deal was found by Cheapflights users on 11/19. 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 12/182:30 pmMCI - BOI
1 stop5h 04mDelta
Wed 12/255:32 amBOI - MCI
1 stop8h 34mDelta
Deal found 11/19$300
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/122:25 pmSTL - GEG
2 stops11h 41mDelta
Mon 12/165:00 amGEG - STL
2 stops10h 40mDelta
Deal found 11/19$303
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 12/147:00 amSTL - JAC
1 stop8h 59mUnited Airlines
Tue 12/172:30 pmJAC - STL
1 stop5h 11mUnited Airlines
Deal found 11/19$304
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Thu 12/125:30 amMCI - GEG
1 stop10h 13mAmerican Airlines
Mon 12/166:33 amGEG - MCI
1 stop8h 51mAmerican Airlines
Deal found 11/18$306
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/186:00 amMCI - JAC
1 stop4h 50mUnited Airlines
Wed 12/2510:45 amJAC - MCI
1 stop4h 29mUnited Airlines
Deal found 11/18$314

Find flights from Missouri to Idaho within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

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Route

Depart

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Price

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 12/10

2:33 pm-2:50 pm

1 stop25h 17m

Boise Air Term. Gowen Fld

Mon 12/16

11:57 am-1:34 pm

1 stop24h 37m

$146

Kansas CitySpokane

MCI - GEG

MCIGEG

Kansas City

Tue 2/25

7:00 am-12:44 pm

1 stop7h 44m

Spokane

Fri 2/28

6:00 am-11:59 pm

1 stop15h 59m

$202

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 1/18

2:59 pm-1:45 pm

1 stop23h 46m

Boise Air Term. Gowen Fld

Sun 1/26

9:30 am-2:04 pm

1 stop27h 34m

$202

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 1/23

6:45 am-1:45 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

Sun 1/26

5:00 pm-12:09 am

1 stop6h 09m

$203

Kansas CitySpokane

MCI - GEG

MCIGEG

Kansas City

Thu 12/12

6:25 pm-12:06 am

2 stops7h 41m

Spokane

Mon 12/16

3:40 pm-12:13 am

1 stop6h 33m

$208

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 1/4

10:46 pm-11:02 am

1 stop13h 16m

Boise Air Term. Gowen Fld

Sat 1/11

6:10 am-2:04 pm

1 stop6h 54m

$253

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sat 1/18

6:30 am-6:44 pm

2 stops14h 14m

Spokane

Sat 1/25

11:22 am-11:14 pm

2 stops9h 52m

$253

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Sat 1/18

7:40 am-6:29 pm

2 stops11h 49m

Boise Air Term. Gowen Fld

Sat 1/25

10:40 am-9:33 pm

2 stops9h 53m

$253

SpringfieldBoise

SGF - BOI

SGFBOI

Springfield-Branson

Sat 12/7

2:39 pm-10:44 pm

1 stop9h 05m

Boise Air Term. Gowen Fld

Mon 12/16

2:35 pm-8:28 pm

1 stop4h 53m

$293

St. LouisJackson

STL - JAC

STLJAC

Lambert-St Louis

Wed 1/15

7:40 am-12:15 pm

1 stop5h 35m

Jackson Hole

Tue 1/21

7:05 am-1:43 pm

1 stop5h 38m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 59 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.

Travel insights for flights from Missouri to Idaho

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

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

Currently, January is the cheapest month in which you can book a flight from Missouri to Idaho (average of $310). Flying from Missouri to Idaho in June is currently the most expensive (average of $436). 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 November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Idaho as you normally would.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 November 20, 2024.
See what other customers who have flown with United Airlines, Delta and American Airlines from Missouri to Idaho have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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.

  • 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 $92 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $127 and American Airlines from $157 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, January is the cheapest month in which you can book a flight from Missouri to Idaho (average of $310). Flying from Missouri to Idaho in June is currently the most expensive (average of $436). 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.
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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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$139Average$244FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$526FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$567FlexibilityNo cancel feeOn-time69%
DeltaCheapest$277Average$501FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$302Average$465FlexibilityNo cancel feeOn-time63%
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