Find the Cheapest Flights from San Francisco to Seattle

Unlock the cheapest flights and the best airfares from San Francisco to Seattle. Make your dream trip both memorable and affordable!

Thu, Jun 11SFO-SEA
Frontier Airlines

oneway$78

Sat, Apr 25SFO-SEA
Alaska Airlines

$223

San Francisco to Seattle: Flight information

Cheapest flight found$78

Cheapest month to flyJune

Most popular airlineFrontier Airlines

Average flight duration11h 45m

Cheapest flight found

Jun 2026

$78

May 2026

$96

Apr 2026

$104

Jul 2026

$126

FAQs

How to find cheap flights to Seattle from San Francisco etc..

How long is the flight from San Francisco to Seattle?

What airlines fly from San Francisco to Seattle?

When to buy cheap flights from San Francisco to Seattle?

How can I find the cheapest flights from San Francisco?

How can I cancel / change my flight?

Do the prices include taxes and fees?

Does the flight price include baggage fees?

What should I do if my flight is canceled?

Explore the top trending flights!

Popular flights from San Francisco

Trending Countries (21)Trending Cities (20)

Trending Countries

San Francisco to Japan

San Francisco to Switzerland

San Francisco to South Korea

San Francisco to Sweden

San Francisco to Netherlands

San Francisco to Denmark

San Francisco to United Arab Emirates

San Francisco to Germany

San Francisco to United Kingdom

San Francisco to United States

San Francisco to Canada

San Francisco to New Zealand

San Francisco to China

San Francisco to Spain

San Francisco to Italy

San Francisco to Singapore

San Francisco to Norway

San Francisco to Finland

San Francisco to Ireland

San Francisco to Portugal

San Francisco to Austria

See more dealsSee less

Popular flights to San Francisco

Popular flights from Seattle

Popular flights to Seattle

Travel Like Never Before

• Search And compare between flights easily
• A single travel booking that allows you to visit several cities during one trip

Download OUR APP NOW