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$55+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STL
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:48 pmBOI - MCI
1 stop5h 45mFrontier
Sun 11/238:28 pmMCI - BOI
1 stop24h 31mFrontier
Deal found 11/12$195
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:54 pmBOI - MCI
1 stop8h 28mDelta
Sat 12/137:50 amMCI - BOI
1 stop9h 12mDelta
Deal found 11/12$197
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/102:49 pmBOI - MCI
1 stop7h 18mUnited Airlines
Wed 12/176:00 amMCI - BOI
2 stops8h 35mUnited Airlines
Deal found 11/12$246
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:54 pmBOI - MCI
1 stop8h 28mDelta
Mon 12/156:28 amMCI - BOI
1 stop4h 47mDelta
Deal found 11/12$262
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/2512:38 pmBOI - STL
2 stops31h 47mFrontier
Wed 12/317:43 pmSTL - BOI
1 stop17h 00mFrontier
Deal found 11/13$276
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:45 pmBOI - MCI
2 stops13h 15mDelta
Wed 12/177:50 amMCI - BOI
1 stop6h 24mDelta
Deal found 11/12$287
This Delta deal was found by Cheapflights users on 11/11. 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.
Mon 12/89:00 amBOI - STL
2 stops9h 10mDelta
Wed 12/106:00 amSTL - BOI
2 stops11h 02mDelta
Deal found 11/11$296
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:19 pmBOI - STL
1 stop10h 40mAlaska Airlines
Wed 12/107:00 amSTL - BOI
1 stop9h 26mAlaska Airlines
Deal found 11/11$311
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:57 pmBOI - STL
1 stop8h 41mAmerican Airlines
Wed 12/107:00 amSTL - BOI
1 stop6h 33mAmerican Airlines
Deal found 11/11$312
This Delta deal was found by Cheapflights users on 11/13. 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 12/2511:17 amBOI - STL
2 stops9h 17mDelta
Wed 12/316:05 amSTL - BOI
2 stops9h 44mDelta
Deal found 11/13$337
This American Airlines deal was found by Cheapflights users on 11/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:25 pmBOI - SGF
1 stop6h 19mAmerican Airlines
Tue 12/97:00 amSGF - BOI
1 stop7h 27mAmerican Airlines
Deal found 11/12$339
This Southwest deal was found by Cheapflights users on 11/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:10 pmBOI - MCI
1 stop7h 40mSouthwest
Thu 11/276:00 amMCI - BOI
1 stop5h 10mSouthwest
Deal found 11/12$342

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(Delta)

One-way from

$55
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$497
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Lambert-St Louis flights.
Search Deals
From Boise Air Term. Gowen Fld to Missouri
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Missouri
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 13, 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

Tue 12/9

1:54 pm-11:22 pm

1 stop8h 28m

Kansas City

Mon 12/15

7:50 am-4:02 pm

1 stop9h 12m

$197

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Mon 12/15

1:54 pm-11:22 pm

1 stop8h 28m

Kansas City

Wed 12/17

7:50 am-1:14 pm

1 stop6h 24m

$197

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Mon 3/9

2:00 pm-10:59 pm

1 stop7h 59m

Kansas City

Tue 3/10

7:55 am-1:07 pm

1 stop6h 12m

$197

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Mon 12/8

1:54 pm-11:22 pm

1 stop8h 28m

Kansas City

Sat 12/13

7:50 am-4:02 pm

1 stop9h 12m

$197

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Wed 12/10

2:49 pm-11:07 pm

1 stop7h 18m

Kansas City

Wed 12/17

6:00 am-1:35 pm

2 stops8h 35m

$246

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Tue 2/3

8:50 am-9:38 pm

2 stops11h 48m

Lambert-St Louis

Sat 2/7

7:00 am-3:57 pm

2 stops9h 57m

$256

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Thu 12/25

12:38 pm-9:25 pm

2 stops31h 47m

Lambert-St Louis

Wed 12/31

7:43 pm-11:43 am

1 stop17h 00m

$276

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Tue 2/3

3:43 pm-1:54 pm

1 stop21h 11m

Lambert-St Louis

Sat 2/7

6:19 pm-10:52 am

1 stop17h 33m

$296

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Mon 12/8

9:00 am-7:10 pm

2 stops9h 10m

Lambert-St Louis

Wed 12/10

6:00 am-4:02 pm

2 stops11h 02m

$296

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Mon 12/8

12:19 pm-11:59 pm

1 stop10h 40m

Lambert-St Louis

Wed 12/10

7:00 am-3:26 pm

1 stop9h 26m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 40 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 November is currently the most expensive (average of $289). 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 November 13, 2025.

One of the essential ways to save on airfare from Boise to Missouri is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Boise to Missouri?

Use this chart to determine the cheapest time to fly round-trip from Boise to Missouri. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boise to Missouri flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 13, 2025.
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.
Alaska Airlines
8.0
Very good
11,288 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,288 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,017 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,051 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a 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, Frontier, and Alaska Airlines can get you from Boise to Missouri in just under 8h 28m. Your travel time can differ by up to 23h 19m. The distance from Boise to Missouri is about 1148 mi. This flight may include one or multiple stops.

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

    While some choose either Boise Air Term. Gowen Fld - Kansas City or Boise Air Term. Gowen Fld - Joplin, Boise Air Term. Gowen Fld - Lambert-St Louis 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, 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 November is currently the most expensive (average of $289). 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 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$226Average$391FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$261Average$420FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$278Average$449FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$286Average$423FlexibilityNo cancel feeOn-time69%

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