$150 Cheap United flights Des Moines (DSM) to Portland (PDX)

Grab cheap return United Airlines flights from $284 from DSM to PDX by organizing your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $150 for a one-way trip.**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.

Browse for one-way or return flights to Portland in January or December. You could find lower fares with United Airlines during these off-peak times.

Start searching one to three months ahead of your departure date to find cheaper fares on United Airlines flights from Des Moines Intl. Airport (DSM) to Portland Intl. Airport (PDX). 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.* Get the timing right, and you can enjoy significant savings on domestic trips.*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.

To figure out if there’s a direct trip from DSM to PDX with United Airlines or other carriers, use our “Nonstop” filter when browsing for tickets.

Search United Airlines’s earliest flights from DSM to PDX by using the “Early Morning” and “Morning” filters. Not only will you arrive 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.

United Airlines flights from Des Moines Intl. Airport (DSM) to Portland come in to Portland Intl. Airport (PDX). This is the main gateway to this city.

A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to jet off from DSM to PDX with United Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can receive OneKeyCash™* on top of any airline 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.

Changes are generally free within 24 hours of booking, but your airline may charge you after that. For further information about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your itinerary without additional charges, check the “Changes included” and “No cancel fee” filters when planning your trip.