George Bush Intercontinental to Portland International
1823 miles great-circle distance, typically flown in 4h 04m with 5 airlines operating direct service from George Bush Intercontinental (IAH) to Portland International (PDX). Cheapest fares are usually in January (around $169 return), with peak prices in August (around $507). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from George Bush Intercontinental
Houston George Bush Intercontinental is United Airlines' second-largest hub after Newark, with five terminals and a Skytrain people mover connecting them. METRO's bus 102 runs from the airport to downtown Houston in around 50 minutes; light rail does not extend to IAH. International long-haul through Houston is heaviest to Latin America (over 30 destinations) and Europe, with Lufthansa, KLM, Air France and British Airways all operating daily and growing Middle East service via Qatar, Emirates and Turkish.
Arriving in Portland
Portland International is 8 miles northeast of downtown Portland. MAX Light Rail Red Line runs from the airport's elevated station directly to Pioneer Square downtown in 38 minutes for $2.80. Fares are remarkably stable year-round — Portland sees less seasonal demand variance than most West Coast cities. Cheapest months are January and February; peak demand is mid-July through August.
Who flies IAH to PDX?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 4h 04m | Economy |
| American Airlines | AA | 4h 04m | Economy |
| Spirit Airlines | NK | 4h 04m | Economy |
| Frontier Airlines | F9 | 4h 04m | Economy |
| Delta Air Lines | DL | 4h 04m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly IAH→PDX
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Houston to Portland FAQs
Direct flights from George Bush Intercontinental (IAH) to Portland International (PDX) take approximately 4h 04m for the 1823-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $169. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
5 carriers operate direct service from George Bush Intercontinental (IAH) to Portland International (PDX): United Airlines, American Airlines, Spirit Airlines, Frontier Airlines and Delta Air Lines. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Portland International (PDX) is the primary international airport for Portland. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.