$145 Cheap Delta flights Houston (IAH) to Portland (PWM)

View $145 flight on Sat, Oct 4, 2025Opens in a new window

$145 Cheap Delta flights Houston (IAH) to Portland (PWM)

Prices were available within the past 7 days and start at $145 for one-way flights and $276 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 23 - Wed, Oct 1
IAH
Houston
PWM
Portland
$276 Roundtrip, found 17 hours ago
$276
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Sep 23 from Houston to Portland, returning Wed, Oct 1, priced at $276 found 17 hours ago
Delta
Fri, Sep 19 - Mon, Sep 22
IAH
Houston
PWM
Portland
$293 Roundtrip, just found
$293
Roundtrip
just found
Select Delta flight, departing Fri, Sep 19 from Houston to Portland, returning Mon, Sep 22, priced at $293 just found
Delta
Wed, Oct 1 - Thu, Oct 2
IAH
Houston
PWM
Portland
$294 Roundtrip, found 1 hour ago
$294
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Oct 1 from Houston to Portland, returning Thu, Oct 2, priced at $294 found 1 hour ago
Delta
Tue, Sep 30 - Thu, Oct 2
IAH
Houston
PWM
Portland
$296 Roundtrip, found 1 day ago
$296
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 30 from Houston to Portland, returning Thu, Oct 2, priced at $296 found 1 day ago
Delta
Tue, Sep 30 - Tue, Oct 7
IAH
Houston
PWM
Portland
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 30 from Houston to Portland, returning Tue, Oct 7, priced at $298 found 1 day ago
Delta
Tue, Sep 30 - Thu, Oct 9
IAH
Houston
PWM
Portland
$301 Roundtrip, found 3 hours ago
$301
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 30 from Houston to Portland, returning Thu, Oct 9, priced at $301 found 3 hours ago
Flights from Houston (IAH) to Portland (PWM)
Origin airport
George Bush Intercontinental
Destination airport
Portland Intl. Jetport
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Popular airline
United
Distance
1664 mi

Frequently asked questions

How much is a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines round-trip flights from $276 from IAH to PWM. Affordable one-way fares from $145 are available as well.**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 IAH to PWM with Delta Air Lines?
Delta Air Lines flights to Portland are often more affordable in the off-peak months of January and February. Whether you're after a return or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM) with Delta Air Lines?
Search for cheap Delta Air Lines flights from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM) 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 ideal day to book a domestic flight is generally 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 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.
Does Delta Air Lines fly nonstop from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM)?
To find out if there's a direct journey from IAH to PWM with Delta Air Lines or any other carriers, select the "Nonstop" filter when searching for flights.
What is the earliest Delta Air Lines flight from IAH to PWM?
Find Delta Air Lines's earliest flights from IAH to PWM by checking our "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% 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.
What airports does Delta Air Lines fly into in Portland?
Delta Air Lines flights from George Bush Intercontinental Airport (IAH) to Portland land at Portland Intl. Jetport Airport (PWM). This is the main gateway here.
Why fly with Delta Air Lines from IAH to PWM?
Taking off from IAH to PWM with Delta Air Lines means enjoying a host of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*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 George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM)?
Changes are often free within 24 hours of making your booking, but your airline may charge a fee after that. For further information about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without additional charges, apply the "Changes included" and "No cancel fee" filters when planning your next getaway.

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*Available to One Key members.