Cheap Flights From Portland to Seattle

Cheap Flights from Portland to Seattle (PDX to SEA)

Travel from the City of Roses to the Emerald City with affordable flight deals from CyoTrip. Whether you're traveling for business, visiting family, exploring the Pacific Northwest, or planning a quick weekend getaway, CyoTrip helps you compare fares from leading airlines and book the best Portland to Seattle flights at competitive prices.

The Portland to Seattle route is one of the busiest short-haul domestic air routes in the Pacific Northwest, offering numerous nonstop flights every day. With frequent departures and multiple airline options, travelers can enjoy convenient schedules and affordable airfare throughout the year.

Book Affordable Flights from Portland to Seattle

Planning your next trip? CyoTrip makes booking flights from Portland International Airport (PDX) to Seattle–Tacoma International Airport (SEA) quick, secure, and affordable.

Compare airline schedules, airfare, baggage allowances, and departure times to find the best flight for your travel plans. Whether you're booking early or looking for last-minute deals, CyoTrip helps you save on every booking.

Route Information

Airlines Flying from Portland to Seattle

Several leading airlines operate nonstop and connecting flights between Portland and Seattle.

• Alaska Airlines
• Delta Air Lines
• Hawaiian Airlines
• American Airlines (select services)
• United Airlines (select services)

Travelers can choose from Economy, Premium Economy, Business Class, and First Class depending on the airline.

Best Time to Visit Seattle

Spring (March–May)

• Blooming gardens
• Mild temperatures
• Great sightseeing weather

Summer (June–August)

• Sunny days
• Outdoor festivals
• Perfect for waterfront activities

Fall (September–November)

• Colorful scenery
• Pleasant weather
• Fewer crowds

Winter (December–February)

• Holiday events
• Cozy coffee shops
• Nearby skiing opportunities

Top Attractions in Seattle

Discover Seattle's most popular attractions after your arrival.

• Space Needle
• Pike Place Market
• Chihuly Garden and Glass
• Seattle Waterfront
• Museum of Pop Culture (MoPOP)
• Kerry Park
• Seattle Aquarium
• Discovery Park
• Seattle Great Wheel
• Starbucks Reserve Roastery

Things to Do in Seattle

• Visit the iconic Space Needle
• Explore Pike Place Market
• Take a ferry across Puget Sound
• Enjoy fresh Pacific Northwest seafood
• Discover world-class museums
• Visit nearby Mount Rainier National Park
• Shop in downtown Seattle
• Experience Seattle's famous coffee culture

Travel Tips for Portland to Seattle Flights

• Book your tickets a few weeks in advance for better fares.
• Morning and midweek flights often provide the best prices.
• Pack a light jacket, as weather can change quickly.
• Review airline baggage policies before booking.
• Arrive at Portland International Airport at least 90 minutes before departure.
• Use online check-in for a faster airport experience.

Airport Information

Departure Airport

Portland International Airport (PDX)

Portland International Airport is consistently ranked among the best airports in the United States, offering modern terminals, local dining options, shopping, free Wi-Fi, and efficient passenger services.

Arrival Airport

Seattle–Tacoma International Airport (SEA)

Seattle–Tacoma International Airport serves the greater Seattle metropolitan area and offers excellent transportation options, including light rail, rental cars, rideshare services, taxis, and airport shuttles for easy access to downtown Seattle and surrounding destinations.

Why Visit Seattle?

Seattle is one of the Pacific Northwest's most exciting destinations, known for its stunning waterfront, thriving technology industry, iconic skyline, vibrant arts scene, world-class restaurants, outdoor recreation, and nearby mountains. Whether you're traveling for business or leisure, Seattle offers memorable experiences in every season.

Frequently Asked Questions

How long is the flight from Portland to Seattle?

Most nonstop flights take approximately 50 minutes to 1 hour.

Which airlines offer direct flights?

Alaska Airlines, Delta Air Lines, and Hawaiian Airlines operate frequent nonstop flights between Portland and Seattle, with additional connecting options available from other airlines.

When is the cheapest time to book?

Booking 2–4 weeks before departure generally helps you secure lower airfare, although prices vary depending on travel dates and demand.

Which airport serves Seattle?

Seattle–Tacoma International Airport (SEA) is the primary airport serving Seattle and provides convenient access to downtown, Bellevue, Tacoma, and other nearby destinations.

Book Your Portland to Seattle Flight Today

Whether you're planning a business trip, a weekend getaway, or a Pacific Northwest adventure, CyoTrip makes booking Portland to Seattle flights simple, secure, and affordable. Compare fares from leading airlines, choose the best itinerary, and enjoy a comfortable and hassle-free travel experience.