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Boise

$160+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Jun 23 — Jun 301
Tue 6/23
Tue 6/30
1 adult, Economy
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Cheap 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 May 24, 2026.

This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
-
BOI
1 stop23h 45m
Frontier
Tue 7/71:25 pm
BOI
-
MCI
1 stop22h 30m
Frontier
Deal found 5/21$242
This Booking.com deal was found by Cheapflights users on 5/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:45 pm
MCI
-
BOI
1 stop23h 44m
Frontier
Sun 7/121:24 pm
BOI
-
MCI
1 stop22h 36m
Frontier
Deal found 5/23$262
This CheapOair deal was found by Cheapflights users on 5/19. 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.
Wed 6/108:08 pm
STL
-
BOI
1 stop17h 22m
Frontier
Sun 6/141:25 pm
BOI
-
STL
1 stop28h 28m
Frontier
Deal found 5/19$300
This CheapOair deal was found by Cheapflights users on 5/21. 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.
Mon 6/157:38 pm
STL
-
BOI
1 stop17h 52m
Frontier
Sun 6/211:25 pm
BOI
-
STL
1 stop28h 28m
Frontier
Deal found 5/21$319
This Gotogate deal was found by Cheapflights users on 5/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:45 pm
MCI
-
BOI
1 stop23h 24m
Frontier
Sun 8/231:04 pm
BOI
-
MCI
1 stop22h 56m
Frontier
Deal found 5/22$325
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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 8/186:02 am
MCI
-
BOI
1 stop7h 24m
Alaska Airlines
Wed 8/192:17 pm
BOI
-
MCI
1 stop8h 42m
Alaska Airlines
Deal found 5/19$327
This American Airlines deal was found by Cheapflights users on 5/21. 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 8/247:15 am
SGF
-
BOI
1 stop7h 59m
American Airlines
Sat 8/292:46 pm
BOI
-
SGF
1 stop6h 59m
American Airlines
Deal found 5/21$329
This Southwest deal was found by Cheapflights users on 5/22. 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 7/88:00 pm
MCI
-
BOI
1 stop5h 35m
Southwest
Wed 7/1511:30 am
BOI
-
MCI
2 stops8h 05m
Southwest
Deal found 5/22$332
This Southwest deal was found by Cheapflights users on 5/21. 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.
Tue 9/85:35 pm
MCI
-
BOI
1 stop5h 50m
Southwest
Wed 9/97:40 am
BOI
-
MCI
2 stops8h 20m
Southwest
Deal found 5/21$347
This United Airlines deal was found by Cheapflights users on 5/21. 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 9/15:30 am
SGF
-
BOI
2 stops11h 01m
United Airlines
Sat 9/55:44 pm
BOI
-
SGF
1 stop4h 58m
United Airlines
Deal found 5/21$355
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
Sat 10/246:00 am
STL
-
BOI
1 stop7h 35m
Alaska Airlines
Wed 10/286:40 am
BOI
-
STL
1 stop8h 04m
Alaska Airlines
Deal found 5/20$357
This Southwest deal was found by Cheapflights users on 5/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:15 pm
MCI
-
BOI
1 stop8h 15m
Southwest
Tue 7/74:20 pm
BOI
-
MCI
1 stop5h 55m
Southwest
Deal found 5/23$357

Find flight deals from Missouri to Boise

Keep the following information in mind while searching for Missouri to Boise flight deals. Data was last updated May 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(Booking.com)

One-way from

$160
(CheapOair)

Popular in

February

Cheapest in

January

Average price

$456
Provider with most accurate pricing for Lambert-St Louis-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Boise Air Term. Gowen Fld flights.
Search Deals
From Missouri to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Missouri to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 24, 2026.
Use the filters below to find and compare flights from Missouri to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 8/18

2:17 pm-10:24 pm

1 stop9h 07m

Boise Air Term. Gowen Fld

Wed 8/19

6:00 am-12:38 pm

1 stop5h 38m

$327

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 8/25

5:14 pm-10:20 pm

1 stop6h 06m

Boise Air Term. Gowen Fld

Tue 9/1

3:16 pm-12:35 am

1 stop8h 19m

$327

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Mon 6/15

7:38 pm-12:30 pm

1 stop17h 52m

Boise Air Term. Gowen Fld

Sun 6/21

1:25 pm-6:53 pm

1 stop28h 28m

$340

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 9/8

5:35 pm-10:25 pm

1 stop5h 50m

Boise Air Term. Gowen Fld

Wed 9/9

7:40 am-5:00 pm

2 stops8h 20m

$347

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Fri 7/3

5:25 pm-12:15 am

2 stops7h 50m

Boise Air Term. Gowen Fld

Tue 7/7

4:20 pm-11:15 pm

1 stop5h 55m

$392

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Wed 8/19

4:45 pm-11:10 pm

2 stops7h 25m

Boise Air Term. Gowen Fld

Sun 8/23

4:45 pm-1:10 am

1 stop7h 25m

$392

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 6/25

6:00 pm-12:09 am

1 stop7h 09m

Boise Air Term. Gowen Fld

Tue 6/30

5:59 pm-12:18 am

1 stop5h 19m

$397

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Wed 7/8

5:50 pm-12:25 am

2 stops7h 35m

Boise Air Term. Gowen Fld

Sun 7/12

8:35 am-9:05 pm

1 stop11h 30m

$398

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Thu 9/24

6:00 am-2:15 pm

2 stops9h 15m

Boise Air Term. Gowen Fld

Tue 9/29

3:40 pm-10:35 pm

1 stop5h 55m

$406

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 8/6

7:15 pm-11:55 pm

1 stop5h 40m

Boise Air Term. Gowen Fld

Sun 8/9

4:45 pm-1:10 am

1 stop7h 25m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 46 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Missouri to Boise (average of $89). Flying from Missouri to Boise in January 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.

How much does it cost to fly round-trip from Missouri to Boise?

How far ahead should I book a flight from Missouri to Boise?

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Missouri to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 6h 06m. 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 Southwest, with whom users have recently found tickets for as low as $82. However, be on the lookout for offers from United Airlines and Delta, 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, Lambert-St Louis - Boise Air Term. Gowen Fld or Springfield-Branson - 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, May is the cheapest month in which you can book a flight from Missouri to Boise (average of $89). Flying from Missouri to Boise in January 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

Traveling to a place near Boise?

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

Browse thousands of different options on Cheapflights for your next trip

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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 May 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$133Average$371FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$417FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$232Average$390FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$256Average$466FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$466FlexibilityNo cancel feeOn-time63%

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