$109 Cheap Delta flights Portland (PDX) to Houston (IAH)

View $109 flight on Thu, Sep 11, 2025Opens in a new window

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$109 Cheap Delta flights Portland (PDX) to Houston (IAH)

Prices were available within the past 7 days and start at $109 for one-way flights and $211 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 30 - Tue, Sep 2
PDX
Portland
IAH
Houston
$211 Roundtrip, found 8 hours ago
$211
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Aug 30 from Portland to Houston, returning Tue, Sep 2, priced at $211 found 8 hours ago
Delta
Thu, Sep 11 - Wed, Sep 17
PDX
Portland
IAH
Houston
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Thu, Sep 11 from Portland to Houston, returning Wed, Sep 17, priced at $217 just found
Delta
Thu, Aug 14 - Mon, Aug 18
PDX
Portland
IAH
Houston
$223 Roundtrip, found 6 hours ago
$223
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Aug 14 from Portland to Houston, returning Mon, Aug 18, priced at $223 found 6 hours ago
Flights from Portland (PDX) to Houston (IAH)
Origin airport
Portland Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Spirit Airlines, United
Popular airline
Alaska Airlines
Distance
1822 mi
Average flight time
6 hours 42 mins

Frequently asked questions

How much is a Delta Air Lines flight from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
You can discover affordable return Delta Air Lines flights from $211 from PDX to IAH by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $109 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.
What is the cheapest month to fly from PDX to IAH with Delta Air Lines?
November is one of the least expensive months to fly to Houston with Delta Air Lines. You could also find excellent prices on one-way and return fares in February.
What is the cheapest time to book flights from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH) with Delta Air Lines?
Look for affordable Delta Air Lines flights from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH) one to three months prior to 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 journey, the best day to book a domestic flight is usually Sunday and the most expensive day 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.
Does Delta Air Lines fly nonstop from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
Use our "Nonstop" filter when browsing for direct Delta Air Lines flights from PDX to IAH. You can also compare other carriers offering the same nonstop trip.
What is the earliest Delta Air Lines flight from PDX to IAH?
To find the earliest departure from PDX to IAH with Delta Air Lines, sort your results by "Morning" and "Early Morning." Choosing an early flight generally 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.
What airports does Delta Air Lines fly into in Houston?
Take a Delta Air Lines flight from Portland Intl. Airport (PDX) to Houston, and you'll probably arrive at George Bush Intercontinental Airport (IAH). This is the airline's primary hub in this city.
Why fly with Delta Air Lines from PDX to IAH?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many travelers flying from PDX to IAH. Also, 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 you can put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
Depending on the ticket type you purchased, a fee may apply if you modify or cancel your flight more than 24 hours after it has been confirmed. To find tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more information on modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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*Available to One Key members.