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Cheap Flights from San Francisco to Seattle (SFO to SEA)

Travel from the beautiful San Francisco Bay Area to the vibrant city of Seattle with affordable flight deals from CyoTrip. Whether you're traveling for business, a family vacation, a weekend escape, or an outdoor adventure, CyoTrip helps you compare fares from leading airlines and book the best San Francisco to Seattle flights at competitive prices.

The San Francisco to Seattle route is one of the busiest domestic air routes on the U.S. West Coast, with numerous nonstop flights available every day. Enjoy flexible schedules, multiple airline options, and affordable fares for a smooth travel experience.

Book Affordable Flights from San Francisco to Seattle

Planning your next trip? CyoTrip makes it easy to find and book flights from San Francisco International Airport (SFO) to Seattle-Tacoma International Airport (SEA). Compare flight schedules, ticket prices, and airline services to choose the best option for your travel needs.

Whether you're booking early for the lowest fares or searching for a last-minute deal, CyoTrip helps you save on your journey.

Route Information

Airlines Flying from San Francisco to Seattle

Several major airlines offer nonstop and connecting flights on this route.

• Alaska Airlines
• Delta Air Lines
• United Airlines
• American Airlines
• Southwest Airlines
• Frontier Airlines (seasonal)
• Hawaiian 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 and parks
• Mild temperatures
• Ideal for sightseeing

Summer (June–August)

• Warm, sunny weather
• Outdoor festivals
• Peak tourist season

Fall (September–November)

• Colorful foliage
• Comfortable weather
• Fewer crowds

Winter (December–February)

• Holiday events
• Cozy cafés
• Easy access to nearby ski resorts

Top Attractions in Seattle

Discover Seattle's most famous 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
• Olympic Sculpture Park
• Starbucks Reserve Roastery

Things to Do in Seattle

• Visit the iconic Space Needle
• Watch fish tossing at Pike Place Market
• Explore Seattle's coffee culture
• Take a ferry across Puget Sound
• Visit museums and art galleries
• Enjoy fresh seafood
• Explore nearby Mount Rainier National Park
• Shop in downtown Seattle

Travel Tips for San Francisco to Seattle Flights

• Book flights a few weeks in advance for better prices.
• Morning departures often have fewer delays.
• Pack a light jacket, as Seattle weather can change quickly.
• Review baggage policies before booking.
• Arrive at SFO at least two hours before departure.
• Use online check-in to save time at the airport.

Airport Information

Departure Airport

San Francisco International Airport (SFO)

One of the busiest airports on the West Coast, SFO offers modern terminals, dining, shopping, lounges, and excellent transportation options.

Arrival Airport

Seattle-Tacoma International Airport (SEA)

Located about 14 miles south of downtown Seattle, SEA provides convenient access through light rail, rental cars, taxis, rideshare services, and airport shuttles.

Why Visit Seattle?

Seattle is known for its stunning waterfront, thriving technology industry, rich coffee culture, fresh seafood, and breathtaking natural scenery. Whether you're visiting for business, sightseeing, or outdoor adventures, Seattle offers unforgettable experiences for every traveler.

Frequently Asked Questions

How long is the flight from San Francisco to Seattle?

Most nonstop flights take approximately 2 to 2 hours 20 minutes.

Which airlines offer direct flights?

Alaska Airlines, Delta Air Lines, United Airlines, American Airlines, and Southwest Airlines operate frequent flights between San Francisco and Seattle.

When is the cheapest time to book?

Booking 3–6 weeks before departure generally helps you find lower airfare, although prices vary depending on demand and travel season.

Which airport serves Seattle?

Seattle-Tacoma International Airport (SEA) is the primary airport serving Seattle and the surrounding region.