$58 Cheap Frontier Airlines flights Las Vegas (LAS) to Portland (PDX)

You'll discover cheap return Frontier Airlines flights from $97 from LAS to PDX by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $58 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.

Look for affordable Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to Portland Intl. Airport (PDX) one to three months prior to your departure date. 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 journey, the best day to book a domestic flight is usually Sunday and the most expensive day tends to be 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.

The earliest Frontier Airlines flight from LAS to PDX departs at 7:16AM UTC-8, landing at 9:45AM UTC-8. If you'd like to set off later in the day, the last Frontier Airlines flight leaves LAS at 7:16AM UTC-8 and touches down at PDX at 9:45AM UTC-8. Flying earlier is often a smart choice as morning and mid-morning flights are 20% less likely to be 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.

Travel from LAS to PDX with Frontier Airlines and you'll enjoy a range of benefits including a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.