What are the cheapest airlines flying from Kansas City to Boise round-trip?

Flying on Spirit Airlines is currently your cheapest option to Boise, with prices starting at $250. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $258 and $262, respectively. Spirit Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Kansas City to Boise one-way?

The cheapest airlines for a one-way flight from Kansas City to Boise are Hawaiian Airlines ($129), American Airlines ($130), and Spirit Airlines ($133).

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular airlines that fly from Kansas City to Boise?

The most popular airlines flying from Kansas City to Boise are American Airlines, Delta and Spirit Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Kansas City to Boise?

Sunday flights are found to be more expensive to fly from Kansas City to Boise. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boise.

How far in advance should I book a flight from Kansas City to Boise?

To save on the cost of your flight from Kansas City to Boise, book at least 53 days before your planned departure. Booking around this time can save you about 62% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $371 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $371.

What is the cheapest month to fly from Kansas City to Boise?

November can be a great time to fly to Boise from Kansas City with a flight ticket averaging about $371. Cheapflights users have found deals in the month of November for as cheap as $227. The most expensive prices can be found in the month of December.

Can I find deals for flights from Kansas City to Boise that include hotel bookings?

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

How can I find direct flights from Kansas City to Boise?

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

Can I find deals for business class flights from Kansas City to Boise?

Yes. Cheapflights offers flight deals from Kansas City 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.

$129+ Flights from Kansas City to Boise

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Cheapflights Tip: The best prices from Kansas City to Boise Air Term. Gowen Fld are usually found in November or January, booked 52 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Kansas City to Boise

Round-trip from	$250 (FlightHub)
One-way from	$129 (Hawaiian Airlines)
Popular in	December
Cheapest in	November
Average price	$459

From Kansas City to Boise Air Term. Gowen Fld

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One-way flight from Kansas City to Boise Air Term. Gowen Fld

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High demand for flights, 5% potential price rise

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Cheapest flight prices on average. 2% potential price decrease ($8 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 Kansas City to Boise

Cheapest flights from Kansas City to Boise
Explore the most affordable flight options available from Kansas City to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sat 10/188:08 pmMCI - BOI

1 stop25h 36mSpirit Airlines

Fri 10/249:49 pmBOI - MCI

1 stop20h 24mSpirit Airlines

Deal found 7/3

$250

Mon 9/83:37 pmMCI - BOI

1 stop8h 03mHawaiian Airlines

Mon 9/156:35 amBOI - MCI

1 stop7h 07mHawaiian Airlines

Deal found 7/3

$258

Sat 8/304:55 pmMCI - BOI

1 stop8h 04mAlaska Airlines

Mon 9/86:00 amBOI - MCI

1 stop9h 01mAlaska Airlines

Deal found 7/3

$262

Tue 7/295:50 amMCI - BOI

1 stop8h 28mAmerican Airlines

Tue 8/51:48 pmBOI - MCI

1 stop8h 46mAmerican Airlines

Deal found 7/1

$263

Thu 9/115:35 amMCI - BOI

2 stops7h 50mSouthwest

Thu 9/184:30 pmBOI - MCI

1 stop4h 45mSouthwest

Deal found 7/3

$264

Sun 9/76:00 amMCI - BOI

1 stop4h 42mUnited Airlines

Wed 9/102:13 pmBOI - MCI

2 stops8h 14mUnited Airlines

Deal found 7/2

$274

Sat 12/136:30 amMCI - BOI

1 stop8h 35mDelta

Sat 12/205:45 pmBOI - MCI

1 stop5h 47mDelta

Deal found 7/2

$398

Mon 9/155:30 amMCI - BOI

3 stops15h 51mMultiple Airlines

Thu 9/259:16 pmBOI - MCI

3 stops24h 52mMultiple Airlines

Deal found 7/1

$437

Best flights from Kansas City to Boise
Discover carefully curated flight deals from Kansas City to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 10/188:08 pmMCI - BOI

1 stop25h 36mSpirit Airlines

Fri 10/249:49 pmBOI - MCI

1 stop20h 24mSpirit Airlines

Deal found 7/3

$250

Mon 9/83:37 pmMCI - BOI

1 stop8h 03mHawaiian Airlines

Mon 9/156:35 amBOI - MCI

1 stop7h 07mHawaiian Airlines

Deal found 7/3

$258

Sat 8/304:55 pmMCI - BOI

1 stop8h 04mAlaska Airlines

Mon 9/86:00 amBOI - MCI

1 stop9h 01mAlaska Airlines

Deal found 7/3

$262

Tue 7/295:50 amMCI - BOI

1 stop8h 28mAmerican Airlines

Tue 8/51:48 pmBOI - MCI

1 stop8h 46mAmerican Airlines

Deal found 7/1

$263

Thu 9/115:35 amMCI - BOI

2 stops7h 50mSouthwest

Thu 9/184:30 pmBOI - MCI

1 stop4h 45mSouthwest

Deal found 7/3

$264

Sun 9/76:00 amMCI - BOI

1 stop4h 42mUnited Airlines

Wed 9/102:13 pmBOI - MCI

2 stops8h 14mUnited Airlines

Deal found 7/2

$274

Sat 12/136:30 amMCI - BOI

1 stop8h 35mDelta

Sat 12/205:45 pmBOI - MCI

1 stop5h 47mDelta

Deal found 7/2

$398

Mon 9/155:30 amMCI - BOI

3 stops15h 51mMultiple Airlines

Thu 9/259:16 pmBOI - MCI

3 stops24h 52mMultiple Airlines

Deal found 7/1

$437

Last-minute flights from Kansas City to Boise
Discover last-minute flight deals from Kansas City to Boise. Data last updated July 3, 2025 and is based on user searches.

Thu 7/108:30 pmMCI - BOI

2 stops23h 22mMultiple Airlines

Mon 7/147:48 pmBOI - MCI

2 stops18h 29mMultiple Airlines

Deal found 7/2

$619

Thu 7/104:23 pmMCI - BOI

3 stops27h 29mSpirit Airlines

Mon 7/147:48 pmBOI - MCI

2 stops18h 29mSpirit Airlines

Deal found 7/2

$668

Thu 7/106:04 pmMCI - BOI

1 stop7h 05mDelta

Sat 7/125:40 amBOI - MCI

1 stop6h 40mDelta

Deal found 7/2

$705

Thu 7/103:34 pmMCI - BOI

1 stop8h 12mAlaska Airlines

Sun 7/134:50 pmBOI - MCI

1 stop20h 49mAlaska Airlines

Deal found 7/2

$746

Fri 7/119:47 amMCI - BOI

1 stop5h 54mAmerican Airlines

Sun 7/133:35 pmBOI - MCI

1 stop6h 37mAmerican Airlines

Deal found 7/3

$747

Fri 7/111:44 pmMCI - BOI

2 stops10h 47mUnited Airlines

Sun 7/137:15 pmBOI - MCI

2 stops14h 20mUnited Airlines

Deal found 7/1

$757

Sun 7/133:34 pmMCI - BOI

1 stop8h 12mHawaiian Airlines

Tue 7/153:10 pmBOI - MCI

1 stop7h 25mHawaiian Airlines

Deal found 6/30

$596

Sun 7/1310:50 amMCI - BOI

1 stop6h 55mSouthwest

Wed 7/165:05 amBOI - MCI

1 stop7h 00mSouthwest

Deal found 6/30

$627

Tue 7/151:44 pmMCI - BOI

1 stop5h 23mUnited Airlines

Tue 7/225:00 amBOI - MCI

1 stop4h 48mUnited Airlines

Deal found 7/1

$427

Thu 7/245:45 amMCI - BOI

1 stop4h 41mDelta

Tue 7/296:00 pmBOI - MCI

1 stop5h 21mDelta

Deal found 7/2

$407

Tue 7/295:50 amMCI - BOI

1 stop8h 28mAmerican Airlines

Tue 8/51:48 pmBOI - MCI

1 stop8h 46mAmerican Airlines

Deal found 7/1

$263

Tue 7/294:50 pmMCI - BOI

1 stop8h 35mSouthwest

Tue 8/57:25 amBOI - MCI

2 stops7h 15mSouthwest

Deal found 7/1

$268

One-way flights from Kansas City to Boise
Search for one-way flight options from Kansas City to Boise. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Mon 8/186:45 amMCI - BOI

1 stop8h 13mHawaiian Airlines

Deal found 7/2

$129

Tue 8/195:45 amMCI - BOI

1 stop8h 01mAmerican Airlines

Deal found 7/2

$130

Sat 8/168:56 pmMCI - BOI

2 stops21h 15mSpirit Airlines

Deal found 7/3

$133

Mon 8/189:45 amMCI - BOI

2 stops9h 30mSouthwest

Deal found 7/2

$135

Sat 8/166:00 amMCI - BOI

2 stops10h 59mUnited Airlines

Deal found 6/30

$179

Mon 8/46:45 amMCI - BOI

1 stop8h 13mAlaska Airlines

Deal found 7/2

$220

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 10/18

8:08 pm-8:44 pm

1 stop25h 36m

Boise Air Term. Gowen Fld

Fri 10/24

9:49 pm-7:13 pm

1 stop20h 24m

$250

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Mon 9/8

3:37 pm-10:40 pm

1 stop8h 03m

Boise Air Term. Gowen Fld

Mon 9/15

6:35 am-2:42 pm

1 stop7h 07m

$258

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 8/30

4:55 pm-11:59 pm

1 stop8h 04m

Boise Air Term. Gowen Fld

Mon 9/8

6:00 am-4:01 pm

1 stop9h 01m

$262

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 7/29

5:50 am-1:18 pm

1 stop8h 28m

Boise Air Term. Gowen Fld

Tue 8/5

1:48 pm-11:34 pm

1 stop8h 46m

$263

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 9/11

5:35 am-12:25 pm

2 stops7h 50m

Boise Air Term. Gowen Fld

Thu 9/18

4:30 pm-10:15 pm

1 stop4h 45m

$264

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sun 9/7

6:00 am-9:42 am

1 stop4h 42m

Boise Air Term. Gowen Fld

Wed 9/10

2:13 pm-11:27 pm

2 stops8h 14m

$274

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 12/13

6:30 am-2:05 pm

1 stop8h 35m

Boise Air Term. Gowen Fld

Sat 12/20

5:45 pm-12:32 am

1 stop5h 47m

$398

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Mon 9/15

5:30 am-8:21 pm

3 stops15h 51m

Boise Air Term. Gowen Fld

Thu 9/25

9:16 pm-11:08 pm

3 stops24h 52m

$437

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Mon 8/18

6:45 am-1:58 pm

1 stop8h 13m

$129

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Tue 8/19

5:45 am-12:46 pm

1 stop8h 01m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 14 results

Best time to book a flight from Kansas City to Boise

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

How far ahead should I book a flight from Kansas City to Boise?

Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kansas City to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Kansas City to Boise (average of $314). Flying from Kansas City 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 MCI to BOI?

One of the essential ways to save on airfare from Kansas City to Boise 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 18% on airfare.

What is the cheapest day to fly from Kansas City to Boise?

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

Reviews of airlines servicing Boise

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Kansas City to Boise. 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

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,266 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,982 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Kansas City to Boise round-trip?
Flying on Spirit Airlines is currently your cheapest option to Boise, with prices starting at $250. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $258 and $262, respectively. Spirit Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Kansas City to Boise one-way?
The cheapest airlines for a one-way flight from Kansas City to Boise are Hawaiian Airlines ($129), American Airlines ($130), and Spirit Airlines ($133).
Can I find deals for flights from Kansas City to Boise that include hotel bookings?
Yes. In addition to deals on Kansas City to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansas City to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Boise.
Can I find deals for business class flights from Kansas City to Boise?
Yes. Cheapflights offers flight deals from Kansas City 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 Kansas City to Boise?
Currently, October is the cheapest month in which you can book a flight from Kansas City to Boise (average of $314). Flying from Kansas City 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

Meridian

Nampa

McCall

Ontario

Caldwell

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Alternative routes for Kansas City to Boise

Other flights to Boise

Top 5 airlines flying from Kansas City to Boise

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$137	Average$177	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$171	Average$396	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$197	Average$336	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$280	Average$438	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$302	Average$451	FlexibilityNo cancel fee	On-time63%

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$129+ Cheap flights from Kansas City to Boise (MCI - 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansas City to Boise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Kansas City to Boise Air Term. Gowen Fld are usually found in November or January, booked 52 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Kansas City to Boise

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kansas City to Boise

Cheapest flights from Kansas City to BoiseExplore the most affordable flight options available from Kansas City to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Kansas City to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Boise that are best for you.

Best time to book a flight from Kansas City to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Kansas City with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kansas City to Boise

How far ahead should I book a flight from Kansas City to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to Boise. Price data was last updated on June 27, 2025.

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

What is the cheapest time of day to fly from MCI to BOI?

Find hourly flight availability from Kansas City 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 3, 2025.

What is the cheapest day to fly from Kansas City to Boise?

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

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 3, 2025.

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Kansas City to Boise. 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.

Related info for your journey

Find useful and relevant information for your journey from Kansas City to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Kansas City to Boise round-trip?

What are the cheapest airlines to fly from Kansas City to Boise one-way?

Can I find deals for flights from Kansas City to Boise that include hotel bookings?

How can I find direct flights from Kansas City to Boise?

Can I find deals for business class flights from Kansas City to Boise?

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

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Alternative routes for Kansas City to Boise

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Top 5 airlines flying from Kansas City to Boise

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Cheapest flights from Kansas City to Boise
Explore the most affordable flight options available from Kansas City to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.