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$134+ Cheap flights from Boise (BOI) to Missouri

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Boise to Missouri

Keep the following information in mind while searching for Boise to Missouri flight deals. Data was last updated April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$267
(Delta)

One-way from

$134
(Delta)

Popular in

February

Cheapest in

November

Average price

$339
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Kansas City flights.
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From Boise Air Term. Gowen Fld to Missouri
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One-way flight from Boise Air Term. Gowen Fld to Missouri
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Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Boise to Missouri

Cheapest flights from Boise to Missouri
Explore the most affordable flight options available from Boise to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:50 pmBOI - MCI
1 stop7h 02mDelta
Tue 5/206:45 amMCI - BOI
1 stop6h 09mDelta
Deal found 4/15$267
This American Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 11/81:20 pmBOI - SGF
1 stop6h 12mAmerican Airlines
Wed 11/122:19 pmSGF - BOI
1 stop7h 59mAmerican Airlines
Deal found 4/13$269
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 6/1811:40 pmBOI - STL
1 stop7h 43mDelta
Tue 6/246:30 amSTL - BOI
1 stop8h 23mDelta
Deal found 4/14$287
This Delta deal was found by Cheapflights users on 4/13. 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.
Sat 11/86:05 amBOI - SGF
2 stops11h 03mDelta
Wed 11/126:00 amSGF - BOI
1 stop7h 38mDelta
Deal found 4/13$299
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:00 pmBOI - STL
1 stop6h 35mSouthwest
Sun 5/256:30 amSTL - BOI
1 stop5h 05mSouthwest
Deal found 4/14$338
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 6/111:49 pmBOI - MCI
1 stop8h 45mAmerican Airlines
Sun 6/155:00 amMCI - BOI
1 stop8h 44mAmerican Airlines
Deal found 4/15$344
This United deal was found by Cheapflights users on 4/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:39 amBOI - MCI
2 stops10h 03mUnited Airlines
Sun 9/76:00 amMCI - BOI
1 stop4h 43mUnited Airlines
Deal found 4/14$361
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/122:50 pmBOI - MCI
1 stop5h 45mSouthwest
Mon 6/168:55 pmMCI - BOI
1 stop4h 35mSouthwest
Deal found 4/14$381
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/292:38 pmBOI - SGF
1 stop6h 03mUnited Airlines
Sat 5/31:40 pmSGF - BOI
1 stop5h 20mUnited Airlines
Deal found 4/14$395
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3012:16 pmBOI - STL
2 stops19h 59mSpirit Airlines
Sun 6/110:10 amSTL - BOI
2 stops26h 11mSpirit Airlines
Deal found 4/15$415
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3012:16 pmBOI - STL
2 stops19h 59mMultiple Airlines
Sun 6/11:00 pmSTL - BOI
3 stops23h 21mMultiple Airlines
Deal found 4/15$444
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:38 pmBOI - SGF
1 stop7h 48mAlaska Airlines
Wed 5/145:27 amSGF - BOI
1 stop8h 18mAlaska Airlines
Deal found 4/15$455

Cheapflights Fare Finder

Customize your flight search to find flights from Boise to Missouri 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 April 15, 2025.
Use the filters below to find and compare flights from Boise to Missouri that are best for you.

Fly from

Boise

Fly to

Missouri

Route

Depart

Return

Price

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Sat 5/17

12:50 pm-8:52 pm

1 stop7h 02m

Kansas City

Tue 5/20

6:45 am-11:54 am

1 stop6h 09m

$267

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Wed 6/18

11:40 pm-9:43 am

1 stop9h 03m

Lambert-St Louis

Wed 6/25

7:15 pm-12:14 am

1 stop5h 59m

$287

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Mon 5/19

5:00 pm-12:35 am

1 stop6h 35m

Lambert-St Louis

Sun 5/25

6:30 am-10:35 am

1 stop5h 05m

$338

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Wed 6/11

1:49 pm-11:34 pm

1 stop8h 45m

Kansas City

Sun 6/15

5:00 am-12:44 pm

1 stop8h 44m

$344

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Wed 5/7

1:35 pm-11:44 pm

2 stops9h 09m

Kansas City

Sun 5/11

6:00 am-9:59 am

1 stop4h 59m

$361

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Thu 6/12

2:50 pm-9:35 pm

1 stop5h 45m

Kansas City

Mon 6/16

8:55 pm-12:30 am

1 stop4h 35m

$381

BoiseSpringfield

BOI - SGF

BOISGF

Boise Air Term. Gowen Fld

Tue 4/29

2:38 pm-9:41 pm

1 stop6h 03m

Springfield-Branson

Sat 5/3

1:40 pm-6:00 pm

1 stop5h 20m

$395

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Fri 5/30

12:16 pm-9:15 am

2 stops19h 59m

Lambert-St Louis

Sun 6/1

10:10 am-11:21 am

2 stops26h 11m

$415

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Fri 5/30

12:16 pm-9:15 am

2 stops19h 59m

Lambert-St Louis

Sun 6/1

1:00 pm-11:21 am

3 stops23h 21m

$444

BoiseSpringfield

BOI - SGF

BOISGF

Boise Air Term. Gowen Fld

Tue 5/6

1:38 pm-10:26 pm

1 stop7h 48m

Springfield-Branson

Wed 5/14

5:27 am-12:45 pm

1 stop8h 18m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 30 results
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Best time to book a flight from Boise to Missouri

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

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

Currently, August is the cheapest month in which you can book a flight from Boise to Missouri (average of $311). Flying from Boise to Missouri in March is currently the most expensive (average of $356). 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 BOI to MO?

Find hourly flight availability from Boise to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

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

Rainfall in Missouri by month

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

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

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

If weather is an important factor for your trip to Missouri, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated April 15, 2025.
To help decide which airline to fly from Boise to Missouri, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld (BOI) is the airport most travelers will use when flying to Missouri from Boise.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $134. Users have also found prices from $142 and $160 on Allegiant Air and American Airlines, respectively.

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

    While some choose either Boise Air Term. Gowen Fld - Lambert-St Louis or Boise Air Term. Gowen Fld - Springfield-Branson, Boise Air Term. Gowen Fld - Kansas City is the most popular route from Boise to Missouri.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Boise to Missouri (average of $311). Flying from Boise to Missouri in March is currently the most expensive (average of $356). 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 Boise to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Boise to Missouri

Discover the top 6 airlines that operate flights from Boise to Missouri. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$116Average$187FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$156Average$432FlexibilityNo cancel feeOn-time75%
DeltaCheapest$173Average$361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$226Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$292Average$457FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$315Average$464FlexibilityNo cancel feeOn-time63%

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