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  1. Cheap Flights from San Francisco to Seattle | United Airlines

  2. $55 Cheap Flights from San Francisco (SFO) to Seattle (SEA)

  3. Find Cheap Flights from San Francisco to Seattle - Google

  4. San Francisco to Seattle - 8 ways to travel via train, plane

  5. $42 Flights from San Francisco (SFO) to Seattle (SEAA) - Skyscanner

  6. $43 Flights from San Francisco (SFO) to Seattle (SEA) - Skyscanner

  7. $69+ Flights from San Francisco to Seattle | Cheapflights

  8. San Francisco to Seattle flights - Alaska Airlines

  9. $50 CHEAP FLIGHTS from San Francisco to Seattle (SFO - SEA) - KAYAK

  10. Cheap flights from San Francisco (SFO) to Seattle/Tacoma