$183 Find Cheap Flights from Portland to Houston - Compare and Save

Among airlines operating Portland to Houston flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Portland and Houston.

Flights from Portland to Houston usually depart from Portland (PWM) and may arrive at several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Portland to Houston.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$40 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Portland to Houston most commonly connect through:

• Baltimore/Washington (BWI) - 36% of one-stop connections
• Washington, D.C. Reagan-National (DCA) - 17% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections
• Chicago O'Hare Intl (ORD) - 8% of one-stop connections

Baltimore/Washington (BWI) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 26% on the Portland to Houston route. Wednesday is the cheapest departure day at $404 round-trip on average, while Monday is the most expensive at $540, a difference of $136. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Houston are Downtown Houston, George R. Brown Convention Center and Galleria Mall. These are among the most viewed places in Houston on KAYAK.

These are the earliest and latest flight times available from Portland to Houston:

• Earliest: departs at 3:26 pm and lands at 7:54 pm
• Latest: departs at 3:26 pm and lands at 7:54 pm.

The flight takes about 4h 28m.

Last-minute fares on this route - booked within 2 weeks of departure - run 42% above the route average of $407. Book 18 weeks before departure for the lowest fares.

A nonstop flight from Portland to Houston takes 4h 28m, covering 1,676 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $314 to $1,944. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Portland to Houston are currently lower than usual. Average one-way flight prices are about $225, which is 15% below the typical average for this route.

Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 6h 08m, compared with 6h 09m via Washington, D.C. Reagan-National (DCA) and 6h 19m via Baltimore/Washington (BWI).

Houston is 1 hour behind Portland (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Since Houston is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Houston George Bush Intcntl Airport (IAH) — daily rates from around $3:

• ACO Rent A Car
• Easirent
• America Car Rental
• Hertz
• Thrifty

Near Houston Hobby Airport (HOU) — daily rates from around $20:

• Thrifty
• Dollar
• Alamo
• Hertz
• Budget

Round-trip flights from Portland to Houston range from $324 to $565, with an average of $407 over the past 12 months. Anything below $324 counts as a good deal.