$139 Cheap United flights Kansas City (MCI) to Phoenix (PHX)

View $139 flight on Fri, Aug 22, 2025Opens in a new window

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$139 Cheap United flights Kansas City (MCI) to Phoenix (PHX)

Prices were available within the past 7 days and start at $139 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 2 - Sun, Oct 12
MCI
Kansas City
PHX
Phoenix
$263 Roundtrip, found 2 hours ago
$263
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Oct 2 from Kansas City to Phoenix, returning Sun, Oct 12, priced at $263 found 2 hours ago
United
Fri, Aug 22 - Mon, Aug 25
MCI
Kansas City
PHX
Phoenix
$277 Roundtrip, just found
$277
Roundtrip
just found
Select United flight, departing Fri, Aug 22 from Kansas City to Phoenix, returning Mon, Aug 25, priced at $277 just found
Flights from Kansas City (MCI) to Phoenix (PHX)
Origin airport
Kansas City Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
1041 mi
Average flight time
1 hour 26 mins

Frequently asked questions

How much is a United Airlines flight from Kansas City Intl. Airport (MCI) to Sky Harbor Intl. Airport (PHX)?
Set the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines round-trip flights from $263 from MCI to PHX. Affordable one-way options from $139 are available too.**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 MCI to PHX with United Airlines?
United Airlines flights to Phoenix are usually more affordable in the off-peak months of July and August. Whether you need a one-way or a return ticket, you could score a better deal then.
What is the cheapest time to book flights from Kansas City Intl. Airport (MCI) to Sky Harbor Intl. Airport (PHX) with United Airlines?
To find cheap United Airlines fares from Kansas City Intl. Airport (MCI) to Sky Harbor Intl. Airport (PHX), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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 Kansas City Intl. Airport (MCI) to Sky Harbor Intl. Airport (PHX)?
Click on our "Nonstop" filter when looking for direct United Airlines flights from MCI to PHX. You can also compare other airlines servicing the same nonstop route.
What is the earliest United Airlines flight from MCI to PHX?
To find the earliest departures from MCI to PHX with United Airlines, filter your search by "Early Morning" and "Morning." Choosing an early flight usually means cancellations are less likely.**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 Phoenix?
Get on a United Airlines flight from Kansas City Intl. Airport (MCI) to Phoenix, and you'll probably come in to Sky Harbor Intl. Airport (PHX). This is the airline's primary hub in this city.
Why fly with United Airlines from MCI to PHX?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to travel from MCI to PHX with United Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can earn OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to spend on future bookings.*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 Kansas City Intl. Airport (MCI) to Sky Harbor Intl. Airport (PHX)?
Depending on the type of ticket you purchased, a fee may apply if you modify or cancel your flight more than 24 hours after it's been confirmed. To find flexible fares, select our "Changes included" or "No cancel fee" filter when searching for flights. For more details on modifying or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

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