Cheap flights from Washington Dulles to Portland International from $249
Updated 2026-07-26
2321 miles great-circle distance, typically flown in 5h 04m with 5 airlines operating direct service from Washington Dulles (IAD) to Portland International (PDX). Fares on this corridor stay relatively stable across the year — booking 4–8 weeks ahead and choosing a midweek departure typically secures the best price.
Flying from Washington Dulles
Washington Dulles International is United Airlines' Mid-Atlantic hub and the larger of the two Washington-region airports. Metro's Silver Line extension opened in 2022, running from the airport's underground station directly to downtown Washington DC in around 50 minutes for $7. International long-haul through IAD is the deepest of any DC-area airport, with United, BA, Virgin Atlantic, Lufthansa, Air France, Qatar, Emirates and Ethiopian all running daily flights to global hubs.
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 IAD to PDX?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 5h 04m | Economy |
| Frontier Airlines | F9 | 5h 04m | Economy |
| American Airlines | AA | 5h 04m | Economy |
| Delta Air Lines | DL | 5h 04m | Economy |
| JetBlue Airways | B6 | 5h 04m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Washington to Portland FAQs
Direct flights from Washington Dulles (IAD) to Portland International (PDX) take approximately 5h 04m for the 2321-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.
5 carriers operate direct service from Washington Dulles (IAD) to Portland International (PDX): United Airlines, Frontier Airlines, American Airlines, Delta Air Lines and JetBlue Airways. 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.