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Boise

$157+ Cheap flights from Missouri to Boise (BOI)

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOI
Oct 26 — Nov 21
Sun 10/26
Sun 11/2
1 adult, Economy
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Cheap flight deals from Missouri to Boise

Keep the following information in mind while searching for Missouri to Boise flight deals. Data was last updated September 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Expedia)

One-way from

$157
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$322
Provider with most accurate pricing for Kansas City-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Kansas City-Boise Air Term. Gowen Fld flights.
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From Missouri to Boise Air Term. Gowen Fld
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One-way flight from Missouri to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Missouri to Boise

Cheapest flights from Missouri to Boise
Explore the most affordable flight options available from Missouri to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2025.

This Orbitz deal was found by Cheapflights users on 9/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:57 pmMCI - BOI
1 stop7h 00mAlaska Airlines
Sat 11/15:54 amBOI - MCI
1 stop9h 00mAlaska Airlines
Deal found 9/25$258
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/226:33 amSTL - BOI
1 stop7h 37mAlaska Airlines
Wed 10/224:25 pmBOI - STL
1 stop6h 38mAlaska Airlines
Deal found 9/25$271
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 12/91:35 pmSGF - BOI
1 stop7h 08mUnited Airlines
Tue 12/162:49 pmBOI - SGF
1 stop5h 01mUnited Airlines
Deal found 9/23$281
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 12/127:00 amMCI - BOI
1 stop9h 44mMultiple Airlines
Mon 12/1510:41 pmBOI - MCI
1 stop24h 59mMultiple Airlines
Deal found 9/24$281
This Delta deal was found by Cheapflights users on 9/26. 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 11/58:53 amSTL - BOI
1 stop6h 09mDelta
Mon 11/105:58 pmBOI - STL
1 stop5h 48mDelta
Deal found 9/26$286
This Southwest deal was found by Cheapflights users on 9/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:20 amMCI - BOI
1 stop5h 25mSouthwest
Wed 11/55:15 amBOI - MCI
1 stop4h 30mSouthwest
Deal found 9/24$287
This Southwest deal was found by Cheapflights users on 9/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:15 amSTL - BOI
1 stop7h 00mSouthwest
Wed 10/222:35 pmBOI - STL
2 stops8h 35mSouthwest
Deal found 9/25$292
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/296:00 amMCI - BOI
2 stops8h 44mUnited Airlines
Wed 11/52:31 pmBOI - MCI
1 stop5h 16mUnited Airlines
Deal found 9/24$292
This Delta deal was found by Cheapflights users on 9/26. 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 10/166:40 amMCI - BOI
1 stop4h 37mDelta
Tue 10/2111:12 amBOI - MCI
1 stop5h 08mDelta
Deal found 9/26$295
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 11/64:14 pmSTL - BOI
1 stop7h 06mAlaska Airlines
Mon 11/102:20 pmBOI - STL
1 stop8h 39mAlaska Airlines
Deal found 9/26$296
This Expedia deal was found by Cheapflights users on 9/24. 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.
Fri 10/245:57 pmMCI - BOI
1 stop16h 17mAlaska Airlines
Mon 11/36:28 amBOI - MCI
2 stops8h 26mAlaska Airlines
Deal found 9/24$296
This Expedia deal was found by Cheapflights users on 9/25. 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 11/57:00 amMCI - BOI
2 stops11h 11mAlaska Airlines
Sat 11/85:54 amBOI - MCI
1 stop9h 00mAlaska Airlines
Deal found 9/25$298

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Boise 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 September 26, 2025.
Use the filters below to find and compare flights from Missouri to Boise that are best for you.

Fly from

Missouri

Fly to

Boise

Route

Depart

Return

Price

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Wed 10/22

6:33 am-1:10 pm

1 stop7h 37m

Boise Air Term. Gowen Fld

Wed 10/22

4:25 pm-12:03 am

1 stop6h 38m

$271

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Wed 11/5

8:53 am-2:02 pm

1 stop6h 09m

Boise Air Term. Gowen Fld

Mon 11/10

5:58 pm-12:46 am

1 stop5h 48m

$286

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Wed 10/29

6:20 am-10:45 am

1 stop5h 25m

Boise Air Term. Gowen Fld

Wed 11/5

5:15 am-10:45 am

1 stop4h 30m

$287

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Wed 2/18

6:40 am-12:18 pm

1 stop6h 38m

Boise Air Term. Gowen Fld

Wed 2/25

5:40 am-2:17 pm

1 stop7h 37m

$287

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Wed 10/22

6:15 am-12:15 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Wed 10/22

2:35 pm-12:10 am

2 stops8h 35m

$292

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 10/16

6:40 am-10:17 am

1 stop4h 37m

Boise Air Term. Gowen Fld

Tue 10/21

11:12 am-5:20 pm

1 stop5h 08m

$295

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Thu 11/6

4:14 pm-10:20 pm

1 stop7h 06m

Boise Air Term. Gowen Fld

Mon 11/10

6:28 am-3:18 pm

1 stop7h 50m

$296

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Wed 2/18

5:55 pm-9:26 am

2 stops16h 31m

Boise Air Term. Gowen Fld

Wed 2/25

7:20 pm-1:42 pm

1 stop17h 22m

$296

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Fri 10/24

5:57 pm-9:14 am

1 stop16h 17m

Boise Air Term. Gowen Fld

Mon 11/3

6:28 am-2:02 pm

1 stop6h 34m

$299

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 10/25

5:57 pm-11:57 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Sat 11/1

6:28 am-3:54 pm

2 stops8h 26m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

Showing 1-10 of 40 results
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Best time to book a flight from Missouri to Boise

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

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

Currently, October is the cheapest month in which you can book a flight from Missouri to Boise (average of $314). Flying from Missouri to Boise in June is currently the most expensive (average of $398). 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 BOI?

Find hourly flight availability from Missouri to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 26, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Missouri to Boise. 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 Boise from Missouri?

    Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Missouri. Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • How long is the flight from Missouri to Boise?

    Departing from Missouri to Boise will take you 5h 25m. Missouri and Boise are separated by a distance of 1148 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $163. However, be on the lookout for offers from Frontier and Allegiant Air, as they are both options that can get you from Missouri to Boise for a low price.

  • What are the most popular routes from Missouri to Boise?

    When deciding which route to take from Missouri to Boise consider Kansas City - Boise Air Term. Gowen Fld, Springfield-Branson - Boise Air Term. Gowen Fld or Lambert-St Louis - Boise Air Term. Gowen Fld as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Boise 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 Boise?

    Currently, October is the cheapest month in which you can book a flight from Missouri to Boise (average of $314). Flying from Missouri to Boise in June is currently the most expensive (average of $398). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Alternative routes for Missouri to Boise

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Top 5 airlines flying from Missouri to Boise

Discover the top 5 airlines that operate flights from Missouri to Boise. 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 September 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$182Average$365FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$440FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$216Average$393FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$266Average$449FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$267Average$466FlexibilityNo cancel feeOn-time69%

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