$129 Cheap Delta flights Portland (PWM) to Houston (IAH)

You can discover affordable round-trip Delta Air Lines flights from $257 from PWM to IAH by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $129 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.

Delta Air Lines flights to Houston are typically cheaper in the quieter months of November and February. Whether you need a return or one-way ticket, you could land a better deal then.

Search for cheap Delta Air Lines flights from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH) one to three months ahead of 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 class and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive 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.

Simply enter your dates, click search and select “Nonstop” on Expedia to browse any direct flights from PWM to IAH with Delta Air Lines or other airlines.

To find the earliest departures from PWM to IAH with Delta Air Lines, sort your results by “Early Morning” and “Morning.” Booking an early flight usually means you’ll experience fewer 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.

George Bush Intercontinental Airport (IAH) is the main Houston gateway for Delta Air Lines flights from Portland Intl. Jetport Airport (PWM).

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many travelers heading from PWM to IAH. Plus, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of booking, but your airline may charge you after that time. For further details about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without being charged, check the “Changes included” or “No cancel fee” filter when organizing your next getaway.