$93 Cheap Spirit Airlines flights Kansas City (MCI) to Portland (PDX)

Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Spirit Airlines round-trip flights from $186 from MCI to PDX. Affordable one-way tickets from $93 are also available.**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.

Search for affordable Spirit Airlines flights from Kansas City Intl. Airport (MCI) to Portland Intl. Airport (PDX) one to three months ahead of 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. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive 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.

To find the earliest departures from MCI to PDX with Spirit Airlines, filter your results by "Early Morning" and "Morning." Choosing an early flight usually 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.

Depart from MCI to PDX with Spirit Airlines and you'll enjoy a range of perks starting with a rewarding loyalty program. When booking through Expedia as a Free Spirit and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.