Direct (nonstop) flights from Portland to Houston
2 airlines fly nonstop from Portland International (PDX) to George Bush Intcntl Houston (IAH). It's 1,824 miles (2,936 km), about 4h 17m in the air. Operated by Alaska Airlines, United Airlines.
Alaska Airlines
United Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
AS
Alaska Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Portland to Houston with one stop · direct emits 308 kg CO₂ per passenger
Looking for the return flight?
IAH → PDX: Flights from Houston to PortlandOther direct flights from Portland
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from Portland to Houston?
A nonstop flight from Portland (PDX) to Houston (IAH) takes approximately 4 hours and 17 minutes. The distance is 1,824 miles (2,936 km).
Which airlines fly nonstop from Portland to Houston?
2 airlines: Alaska Airlines, United Airlines.
Is there a nonstop flight from Portland to Houston?
Yes. 2 airlines: Alaska Airlines, United Airlines.
How far is Portland from Houston?
The flight distance from Portland to Houston is 1,824 miles (2,936 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Portland to Houston?
At 4h 17m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Portland to Houston?
Roughly 308 kg CO2 per passenger one-way. That's about the same as driving 1,540 km.
Is the return flight from Houston to Portland also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Portland to Houston?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Portland International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.