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Book Cheap Flights from Portland (PDX) to Seattle (SEA)

Booking affordable flights from Portland (PDX) to Seattle (SEA) is simpler when you plan early and stay flexible with your travel dates and times. This popular Pacific Northwest route has plenty of daily flights, giving you several options to find competitive fares. To secure lower prices, try booking your ticket several weeks before your travel date and consider flying on weekdays, as mid-week departures often cost less than weekends. Early-morning or late-evening flights also tend to offer better deals. Traveling outside peak holiday periods and being open to different flight times increases your chances of finding the most budget-friendly fare.

About Portland and Seattle

Portland, Oregon is known for its lush parks, vibrant food and craft beer scene, creative culture, and proximity to natural beauty. Portland International Airport (PDX) serves as the main air gateway for the region and offers numerous domestic flights.

Seattle, Washington is a dynamic city famous for its waterfront views, iconic landmarks, tech industry, music scene, and evergreen forests. Seattle–Tacoma International Airport (SEA) is the primary airport serving the Seattle metropolitan area and provides extensive domestic and international connections.

How to Reach Seattle

Flying is the fastest and most convenient way to travel between Portland and Seattle. Non-stop flights from PDX to SEA take approximately 1 hour to 1 hour 20 minutes in the air, covering a distance of around 129 miles (208 km) between the two cities. Upon arrival, SEA is well served by taxis, ride-sharing services, shuttles, and public transit options for reaching downtown Seattle or other destinations.

Places to Visit and Things to Do in Seattle

Seattle offers an array of attractions and activities:

• Space Needle – iconic observation tower
• Pike Place Market – historic market and dining
• Chihuly Garden and Glass – stunning glass art
• Seattle Waterfront – scenic views and walks
• Museum of Pop Culture – music and culture exhibits
• Olympic Sculpture Park – outdoor art by the water
• Smith Tower & Observation Deck – historic skyline views
• Ballard Locks & Botanical Garden – nature and engineering
• Discovery Park – hiking and beach scenery
• Ferries to Bainbridge Island – water travel with views

About Seattle–Tacoma International Airport (SEA)

Seattle–Tacoma International Airport is one of the major airports in the Pacific Northwest, with modern terminals that offer dining, shopping, lounges, and transportation services. SEA handles a high volume of domestic and international flights, making it a convenient entry point for visitors.

How Far Is SEA from the Main City?

Seattle–Tacoma International Airport is located about 14–16 miles south of downtown Seattle. Depending on traffic and mode of transport, the drive typically takes 20–30 minutes by taxi, ride-share, shuttle, or rental car.

How to Commute in Seattle

Getting around Seattle is easy with several transportation options:

• Light rail — connects SEA to downtown and neighborhoods
• Buses — comprehensive city routes
• Taxis and ride-sharing services
• Ferries — scenic water transit
• Bike rentals — popular in many areas

Best Season to Visit Seattle

Seattle’s climate is mild year-round:

• Summer (June–August) offers the warmest weather and long daylight.
• Spring (April–May) and Fall (September–October) are pleasant with fewer crowds.
• Winter brings cooler temperatures and occasional rain, but fewer tourists.

Major Airlines Flying PDX to SEA

Frequent flights on this route are operated by carriers such as Alaska Airlines and Delta Air Lines, offering multiple non-stop departures daily.