Cheap flights from Baltimore-Washington to Portland International from $249
Updated 2026-05-28
2353 miles great-circle distance, typically flown in 5h 08m with 6 airlines operating direct service from Baltimore-Washington (BWI) to Portland International (PDX). Cheapest fares are usually in Jun (around $249 return), with peak prices in Jun (around $747). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Baltimore-Washington
Baltimore-Washington Thurgood Marshall is Southwest Airlines' largest East Coast hub and one of the cheapest US airports for domestic travel. The MARC Penn Line and Amtrak both serve BWI Rail Station — a 12-minute light rail shuttle ride from the terminal — with onward service to Washington Union Station in 30 minutes ($8 MARC, $20+ Amtrak). Limited international long-haul (BA to London, Condor to Frankfurt seasonally); the focus is heavy short-haul Southwest and ULCC capacity.
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 BWI to PDX?
| Airline | IATA | Flight time | Cabin |
| Southwest Airlines | WN | 5h 08m | Economy |
| Spirit Airlines | NK | 5h 08m | Economy |
| Frontier Airlines | F9 | 5h 08m | Economy |
| American Airlines | AA | 5h 08m | Economy |
| Delta Air Lines | DL | 5h 08m | Economy |
| United Airlines | UA | 5h 08m | Economy |
6 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly BWI→PDX
Aggregated from 12 months of Travelpayouts fare data. Cheapest months in green, peak in red.
Source: Travelpayouts route data, refreshed every 30 days. Cheapest day-of-week typically Tuesday.
Baltimore to Portland FAQs
Direct flights from Baltimore-Washington (BWI) to Portland International (PDX) take approximately 5h 08m for the 2353-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.
Jun is typically the cheapest month on this route, with one-way fares from $249. Jun 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.
6 carriers operate direct service from Baltimore-Washington (BWI) to Portland International (PDX): Southwest Airlines, Spirit Airlines, Frontier Airlines, American Airlines, Delta Air Lines and 1 more. Frequencies vary by season and carrier — Southwest 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.