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Missouri

$139+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STL
Oct 24 — Oct 311
Fri 10/24
Fri 10/31
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 September 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$212
(Kiwi.com)

One-way from

$139
(Delta)

Popular in

February

Cheapest in

April

Average price

$322
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 ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 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 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 September 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:33 pmBOI - STL
1 stop19h 34mFrontier
Sat 11/87:45 pmSTL - BOI
1 stop17h 03mFrontier
Deal found 9/22$212
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:40 amBOI - STL
2 stops10h 00mDelta
Wed 10/296:00 amSTL - BOI
2 stops11h 06mDelta
Deal found 9/24$249
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:54 amBOI - MCI
1 stop9h 00mAlaska Airlines
Fri 11/144:49 pmMCI - BOI
1 stop17h 36mAlaska Airlines
Deal found 9/24$265
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:00 amBOI - STL
2 stops11h 23mDelta
Sat 11/156:00 amSTL - BOI
2 stops13h 54mDelta
Deal found 9/23$274
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:28 pmBOI - STL
1 stop19h 39mMultiple Airlines
Thu 10/308:40 pmSTL - BOI
2 stops25h 29mMultiple Airlines
Deal found 9/23$278
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:00 amBOI - STL
2 stops11h 23mDelta
Sat 11/16:50 amSTL - BOI
1 stop6h 11mDelta
Deal found 9/24$287
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:35 pmBOI - MCI
1 stop8h 15mAmerican Airlines
Wed 10/293:10 pmMCI - BOI
1 stop8h 12mAmerican Airlines
Deal found 9/24$287
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:00 amBOI - STL
1 stop14h 03mAlaska Airlines
Thu 10/304:14 pmSTL - BOI
1 stop7h 06mAlaska Airlines
Deal found 9/23$296
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:39 pmBOI - STL
1 stop7h 25mDelta
Mon 11/106:00 amSTL - BOI
1 stop7h 39mDelta
Deal found 9/22$297
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.
Sat 10/259:30 amBOI - STL
2 stops9h 12mUnited Airlines
Sat 11/15:29 pmSTL - BOI
1 stop6h 59mUnited Airlines
Deal found 9/24$302
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:17 amBOI - STL
2 stops10h 32mDelta
Sat 12/135:34 pmSTL - BOI
1 stop7h 36mDelta
Deal found 9/23$305
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:09 pmBOI - MCI
1 stop8h 30mAmerican Airlines
Sat 12/135:13 amMCI - BOI
1 stop8h 14mAmerican Airlines
Deal found 9/24$307

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 September 24, 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

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Wed 10/22

7:40 am-6:40 pm

2 stops10h 00m

Lambert-St Louis

Wed 10/29

6:00 am-4:06 pm

2 stops11h 06m

$249

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sat 10/25

11:41 am-9:23 pm

2 stops8h 42m

Lambert-St Louis

Sat 11/1

12:14 pm-8:16 pm

2 stops9h 02m

$249

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Tue 11/11

5:54 am-3:54 pm

1 stop9h 00m

Kansas City

Fri 11/14

4:49 pm-9:25 am

1 stop17h 36m

$265

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Wed 10/22

1:26 pm-8:26 pm

1 stop6h 00m

Lambert-St Louis

Wed 10/29

5:09 pm-10:22 pm

1 stop6h 13m

$277

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Wed 10/22

1:35 pm-10:50 pm

1 stop8h 15m

Kansas City

Wed 10/29

3:10 pm-10:22 pm

1 stop8h 12m

$287

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sat 10/25

1:35 pm-12:03 am

1 stop9h 28m

Lambert-St Louis

Sat 11/1

7:00 am-3:12 pm

1 stop9h 12m

$296

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sat 12/6

9:40 am-4:28 pm

1 stop5h 48m

Lambert-St Louis

Sat 12/13

1:35 pm-7:43 pm

1 stop7h 08m

$297

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sat 11/8

5:00 am-12:45 pm

1 stop6h 45m

Lambert-St Louis

Sat 11/15

5:30 am-9:50 am

1 stop5h 20m

$297

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sat 10/25

2:39 pm-8:46 pm

1 stop5h 07m

Lambert-St Louis

Sat 11/1

4:43 pm-10:37 pm

1 stop6h 54m

$297

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sat 11/8

5:42 am-11:34 am

1 stop4h 52m

Lambert-St Louis

Sat 11/8

5:30 pm-10:50 pm

1 stop6h 20m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 48 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 September 24, 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.

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 September 24, 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
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

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
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

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
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

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
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

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, Alaska Airlines, and American Airlines can get you from Boise to Missouri in just under 6h. Your travel time can differ by up to 4h. The distance from Boise to Missouri is about 1378 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 $139. Users have also found prices from $144 and $144 on United Airlines 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.

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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 September 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$346FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$226Average$385FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$261Average$429FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$278Average$442FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$286Average$432FlexibilityNo cancel feeOn-time69%

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