Missouri

$112+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STL
Mar 16 — Mar 231
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Cheap 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 February 14, 2026.

This CheapOair deal was found by Cheapflights users on 2/12. 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.
Sun 3/111:56 am
BOI
-
STL
1 stop24h 13m
Frontier
Sat 3/78:12 pm
STL
-
BOI
1 stop15h 08m
Frontier
Deal found 2/12$236
This Delta deal was found by Cheapflights users on 2/13. 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.
Thu 4/163:44 pm
BOI
-
MCI
1 stop6h 59m
Delta
Mon 4/207:45 am
MCI
-
BOI
1 stop9h 29m
Delta
Deal found 2/13$263
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:03 pm
BOI
-
STL
1 stop20h 45m
Frontier
Tue 4/711:21 am
STL
-
BOI
2 stops48h 47m
Frontier
Deal found 2/13$273
This Delta deal was found by Cheapflights users on 2/11. 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 3/253:00 pm
BOI
-
MCI
1 stop7h 03m
Delta
Sat 3/284:02 pm
MCI
-
BOI
1 stop6h 07m
Delta
Deal found 2/11$277
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/1012:59 pm
BOI
-
STL
2 stops9h 35m
United Airlines
Tue 3/176:25 am
STL
-
BOI
1 stop6h 48m
United Airlines
Deal found 2/10$282
This Delta deal was found by Cheapflights users on 2/13. 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.
Thu 4/210:35 am
BOI
-
STL
2 stops12h 46m
Delta
Tue 4/73:05 pm
STL
-
BOI
2 stops9h 40m
Delta
Deal found 2/13$286
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 3/1011:30 pm
BOI
-
STL
1 stop8h 35m
Delta
Tue 3/173:05 pm
STL
-
BOI
1 stop7h 04m
Delta
Deal found 2/10$287
This United Airlines deal was found by Cheapflights users on 2/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:47 am
BOI
-
STL
1 stop7h 36m
United Airlines
Tue 3/245:15 am
STL
-
BOI
1 stop5h 51m
United Airlines
Deal found 2/13$293
This CheapOair deal was found by Cheapflights users on 2/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:15 pm
BOI
-
MCI
1 stop6h 44m
Alaska Airlines
Sat 3/283:52 pm
MCI
-
BOI
1 stop9h 04m
Alaska Airlines
Deal found 2/13$296
This Delta deal was found by Cheapflights users on 2/11. 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.
Fri 9/251:43 pm
BOI
-
SGF
1 stop7h 46m
Delta
Wed 9/303:30 pm
SGF
-
BOI
1 stop8h 02m
Delta
Deal found 2/11$299
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 3/101:00 pm
BOI
-
MCI
1 stop23h 55m
Alaska Airlines
Mon 4/206:15 am
MCI
-
BOI
1 stop7h 07m
Alaska Airlines
Deal found 2/10$306
This United Airlines deal was found by Cheapflights users on 2/12. 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 4/196:15 am
BOI
-
MCI
1 stop5h 37m
United Airlines
Tue 4/213:21 pm
MCI
-
BOI
2 stops8h 14m
United Airlines
Deal found 2/12$311

Find flight deals from Boise to Missouri

Keep the following information in mind while searching for Boise to Missouri flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(CheapOair)

One-way from

$112
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$469
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Lambert-St Louis flights.
From Boise Air Term. Gowen Fld to Missouri
One-way flight from Boise Air Term. Gowen Fld to Missouri
Highest demand for flights based on searches. 15% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 14, 2026.
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

Thu 4/16

3:44 pm-11:43 pm

1 stop6h 59m

Kansas City

Mon 4/20

7:45 am-4:14 pm

1 stop9h 29m

$263

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Wed 3/18

2:22 pm-11:59 pm

1 stop8h 37m

Kansas City

Wed 4/1

6:15 am-12:19 pm

1 stop7h 04m

$277

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Wed 3/25

3:00 pm-11:03 pm

1 stop7h 03m

Kansas City

Sat 3/28

4:02 pm-9:09 pm

1 stop6h 07m

$277

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sun 3/1

11:56 am-9:13 pm

2 stops32h 17m

Lambert-St Louis

Sat 3/7

8:12 pm-10:20 am

1 stop15h 08m

$279

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Tue 3/10

12:59 pm-11:34 pm

2 stops9h 35m

Lambert-St Louis

Tue 3/17

6:25 am-12:13 pm

1 stop6h 48m

$282

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Thu 4/2

10:35 am-12:21 am

2 stops12h 46m

Lambert-St Louis

Tue 4/7

3:05 pm-11:45 pm

2 stops9h 40m

$286

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Tue 3/10

11:30 pm-9:05 am

1 stop8h 35m

Lambert-St Louis

Tue 3/17

3:05 pm-9:09 pm

1 stop7h 04m

$287

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Wed 3/18

7:47 am-4:23 pm

1 stop7h 36m

Lambert-St Louis

Tue 3/24

5:15 am-10:06 am

1 stop5h 51m

$293

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Tue 3/10

1:00 pm-1:55 pm

1 stop23h 55m

Kansas City

Mon 4/20

6:15 am-12:22 pm

1 stop7h 07m

$306

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Sun 4/19

5:29 pm-11:32 pm

1 stop5h 03m

Kansas City

Tue 4/21

5:18 pm-10:35 pm

1 stop6h 17m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 47 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, April is the cheapest month in which you can book a flight from Boise to Missouri (average of $113). Flying from Boise to Missouri in December is currently the most expensive (average of $301). 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.

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 February 14, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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.

  • How long is the flight from Boise to Missouri?

    Delta, Alaska Airlines, and Frontier can get you from Boise to Missouri in just under 6h 59m. Your travel time can differ by up to 25h 18m. The distance from Boise to Missouri is about 1148 mi. This flight may include one or multiple stops.

  • 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 $82. Users have also found prices from $148 and $170 on United Airlines and Southwest, respectively.

  • What are the most popular routes 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, April is the cheapest month in which you can book a flight from Boise to Missouri (average of $113). Flying from Boise to Missouri in December is currently the most expensive (average of $301). 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.

Top 5 airlines flying from Boise to Missouri

Discover the top 5 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 February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$133Average$443FlexibilityNo cancel feeOn-time75%
DeltaCheapest$143Average$314FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$196Average$410FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$385FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$286Average$414FlexibilityNo cancel feeOn-time69%

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