$73 Cheap Spirit Airlines flights Houston (IAH) to Oakland (OAK)

Scoring cheap one-way Spirit Airlines flights from IAH to OAK from $73 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $141 for your next exciting vacation.**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 Spirit Airlines flights from George Bush Intercontinental Airport (IAH) to Oakland Intl. Airport (OAK) one to three months prior to your day of 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 journey, the ideal day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

Filter your results by "Morning" and "Early Morning" to find the earliest flights from IAH to OAK. Jetting off early means flight 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.

A rewarding loyalty program and the ability to collect points through Free Spirit are the start of the reasons to depart from IAH to OAK with Spirit Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.