$139 Cheap United flights Phoenix (PHX) to Des Moines (DSM)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap United Airlines round-trip flights from $271 from PHX to DSM. Affordable one-way fares from $139 are also on offer.**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.

Look for one-way or round-trip flights to Des Moines in January or December. You could find cheaper fares with United Airlines during these quieter months.

Begin your search one to three months before your departure to find cheaper fares on United Airlines flights from Sky Harbor Intl. Airport (PHX) to Des Moines Intl. Airport (DSM). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*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.

Fill in your dates, click search and tick the “Nonstop” filter on Expedia to browse any direct flights from PHX to DSM with United Airlines or another airline.

Browse United Airlines’s earliest flights from PHX to DSM by selecting our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

Catch a United Airlines flight from Sky Harbor Intl. Airport (PHX) to Des Moines, and you’ll probably land at Des Moines Intl. Airport (DSM). This is the airline’s primary hub here.

Offering a rewarding loyalty program, United Airlines is a top choice for many travelers heading from PHX to DSM. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can cancel or modify your flight, although additional charges may apply if you booked more than 24 hours ago. Want to keep your options open? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you have to adjust your plans. To modify your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more details.