$114 Cheap United flights Boise (BOI) to Kansas City (MCI)

View $114 flight on Wed, Feb 4, 2026Opens in a new window

$114 Cheap United flights Boise (BOI) to Kansas City (MCI)

Prices were available within the past 7 days and start at $114 for one-way flights and $221 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Dec 3 - Sat, Dec 6
BOI
Boise
MCI
Kansas City
$221 Roundtrip, found 2 hours ago
$221
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Dec 3 from Boise to Kansas City, returning Sat, Dec 6, priced at $221 found 2 hours ago
United
Wed, Dec 3 - Sat, Dec 6
BOI
Boise
MCI
Kansas City
$227 Roundtrip, found 2 hours ago
$227
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Dec 3 from Boise to Kansas City, returning Sat, Dec 6, priced at $227 found 2 hours ago
United
Sat, Jan 10 - Wed, Jan 28
BOI
Boise
MCI
Kansas City
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 10 from Boise to Kansas City, returning Wed, Jan 28, priced at $232 found 1 day ago
United
Wed, Dec 3 - Sat, Dec 6
BOI
Boise
MCI
Kansas City
$236 Roundtrip, found 2 hours ago
$236
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Dec 3 from Boise to Kansas City, returning Sat, Dec 6, priced at $236 found 2 hours ago
United
Thu, Feb 5 - Sat, Feb 7
BOI
Boise
MCI
Kansas City
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 5 from Boise to Kansas City, returning Sat, Feb 7, priced at $244 found 1 day ago
United
Thu, Feb 5 - Sat, Feb 7
BOI
Boise
MCI
Kansas City
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 5 from Boise to Kansas City, returning Sat, Feb 7, priced at $247 found 1 day ago
Flights from Boise (BOI) to Kansas City (MCI)
Origin airport
Boise
Destination airport
Kansas City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1148 mi

Frequently asked questions

How much is a United Airlines flight from Boise Airport (BOI) to Kansas City Intl. Airport (MCI)?
You'll discover affordable return United Airlines flights from $221 from BOI to MCI by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $114 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOI to MCI with United Airlines?
Look for round-trip or one-way flights to Kansas City in January or November. You could find an affordable fare with United Airlines during these off-season months.
What is the cheapest time to book flights from Boise Airport (BOI) to Kansas City Intl. Airport (MCI) with United Airlines?
Search for cheap United Airlines flights from Boise Airport (BOI) to Kansas City Intl. Airport (MCI) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Boise Airport (BOI) to Kansas City Intl. Airport (MCI)?
Enter your dates, press search and check the "Nonstop" filter on Expedia to browse any direct flights from BOI to MCI with United Airlines or other airlines.
What is the earliest United Airlines flight from BOI to MCI?
To find the earliest departure from BOI to MCI with United Airlines, filter your results by "Early Morning" and "Morning." Choosing an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Kansas City?
United Airlines flights from Boise Airport (BOI) to Kansas City land at Kansas City Intl. Airport (MCI). This is the main gateway here.
Why fly with United Airlines from BOI to MCI?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to travel from BOI to MCI with United Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to United Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Boise Airport (BOI) to Kansas City Intl. Airport (MCI)?
Typically, you can modify or cancel your flight, although there may be additional fees if you booked over 24 hours ago. Need to keep your options open? Use Expedia's "Changes included" and "No cancel fee" filters to find flights that won't penalize you if you have to adjust your plans. To update your booking, visit "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.