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$117+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOI
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Missouri to Boise

Keep the following information in mind while searching for Missouri to Boise flight deals. Data was last updated July 31, 2025.

Round-trip from

$235
(FlightHub)

One-way from

$117
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$466
From Missouri to Boise Air Term. Gowen Fld
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One-way flight from Missouri to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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.
Wed 8/67:29 pmSTL - BOI
1 stop17h 17mFrontier
Sun 8/1012:36 pmBOI - STL
1 stop19h 35mFrontier
Deal found 7/30$237
This Southwest deal was found by Cheapflights users on 7/31. 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 9/96:55 amMCI - BOI
1 stop5h 50mSouthwest
Sat 9/205:10 amBOI - MCI
1 stop4h 15mSouthwest
Deal found 7/31$267
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/302:51 pmMCI - BOI
1 stop6h 19mAmerican Airlines
Mon 9/81:57 pmBOI - MCI
1 stop5h 46mAmerican Airlines
Deal found 7/31$273
This Hawaiian Airlines deal was found by Cheapflights users on 7/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:35 pmSTL - BOI
1 stop9h 33mHawaiian Airlines
Sat 9/206:35 amBOI - STL
1 stop7h 04mHawaiian Airlines
Deal found 7/30$278
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:00 amMCI - BOI
1 stop9h 00mHawaiian Airlines
Mon 9/154:34 pmBOI - MCI
1 stop6h 25mHawaiian Airlines
Deal found 7/31$278
This Delta deal was found by Cheapflights users on 7/31. 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 8/213:42 pmSTL - BOI
1 stop7h 47mDelta
Tue 8/263:06 pmBOI - STL
1 stop7h 18mDelta
Deal found 7/31$279
This Delta deal was found by Cheapflights users on 7/31. 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 9/116:03 pmMCI - BOI
1 stop7h 12mDelta
Mon 9/155:43 pmBOI - MCI
1 stop5h 21mDelta
Deal found 7/31$279
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/245:15 amSTL - BOI
1 stop5h 27mUnited Airlines
Tue 8/265:00 amBOI - STL
2 stops8h 33mUnited Airlines
Deal found 7/31$284
This Southwest deal was found by Cheapflights users on 7/30. 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 9/185:25 amSTL - BOI
1 stop11h 25mSouthwest
Fri 9/265:45 amBOI - STL
2 stops7h 45mSouthwest
Deal found 7/30$290
This Mytrip deal was found by Cheapflights users on 7/30. 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 9/54:05 pmMCI - BOI
2 stops22h 16mSpirit Airlines
Sun 9/72:16 pmBOI - MCI
2 stops19h 02mSpirit Airlines
Deal found 7/30$291
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/136:00 amSTL - BOI
2 stops13h 37mAlaska Airlines
Sat 9/206:35 amBOI - STL
1 stop7h 04mAlaska Airlines
Deal found 7/30$306
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/23:37 pmMCI - BOI
2 stops16h 43mAlaska Airlines
Fri 9/59:00 amBOI - MCI
1 stop9h 04mAlaska Airlines
Deal found 7/30$306

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 July 31, 2025.
Use the filters below to find and compare flights from Missouri to Boise that are best for you.

Fly from

Missouri

Fly to

Boise

Route

Depart

Return

Price

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Thu 9/18

7:55 pm-11:37 am

1 stop16h 42m

Boise Air Term. Gowen Fld

Fri 9/26

12:22 pm-9:06 am

1 stop19h 44m

$245

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 9/9

6:55 am-11:45 am

1 stop5h 50m

Boise Air Term. Gowen Fld

Sat 9/20

5:10 am-10:25 am

1 stop4h 15m

$267

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 8/30

2:51 pm-8:10 pm

1 stop6h 19m

Boise Air Term. Gowen Fld

Mon 9/8

1:57 pm-8:43 pm

1 stop5h 46m

$273

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Sat 9/13

3:35 pm-12:08 am

1 stop9h 33m

Boise Air Term. Gowen Fld

Sat 9/20

6:35 am-2:39 pm

1 stop7h 04m

$278

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Mon 9/8

7:00 am-3:00 pm

1 stop9h 00m

Boise Air Term. Gowen Fld

Mon 9/15

4:34 pm-11:59 pm

1 stop6h 25m

$278

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Thu 8/21

3:42 pm-10:29 pm

1 stop7h 47m

Boise Air Term. Gowen Fld

Tue 8/26

3:06 pm-11:24 pm

1 stop7h 18m

$279

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 9/11

6:03 pm-12:15 am

1 stop7h 12m

Boise Air Term. Gowen Fld

Mon 9/15

5:43 pm-12:04 am

1 stop5h 21m

$279

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Sun 8/24

5:15 am-9:42 am

1 stop5h 27m

Boise Air Term. Gowen Fld

Tue 8/26

5:00 am-2:33 pm

2 stops8h 33m

$284

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Thu 1/15

2:55 pm-10:20 pm

1 stop8h 25m

Boise Air Term. Gowen Fld

Mon 1/19

8:30 pm-1:52 pm

1 stop16h 22m

$287

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Thu 9/18

5:25 am-3:50 pm

1 stop11h 25m

Boise Air Term. Gowen Fld

Fri 9/26

5:45 am-2:30 pm

2 stops7h 45m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 34 results
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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, October is the cheapest month in which you can book a flight from Missouri to Boise (average of $314). Flying from Missouri to Boise in June is currently the most expensive (average of $398). 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 MO to BOI?

Find hourly flight availability from Missouri to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Missouri to Boise by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $117. However, be on the lookout for offers from American Airlines and Alaska Airlines, 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 Springfield-Branson - Boise Air Term. Gowen Fld, Lambert-St Louis - Boise Air Term. Gowen Fld or Kansas City - 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, October is the cheapest month in which you can book a flight from Missouri to Boise (average of $314). Flying from Missouri to Boise in June is currently the most expensive (average of $398). 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
Ontario
McCall
Caldwell

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Alternative routes for Missouri to Boise

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

Discover the top 6 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$137Average$177FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$420FlexibilityNo cancel feeOn-time71%
DeltaCheapest$197Average$361FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$216Average$390FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$280Average$464FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$290Average$429FlexibilityNo cancel feeOn-time63%

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