The cheapest flights we could find in 12/5 on United Airlines from SFO to SEA are:
How many flights does United Airlines fly from SFO to SEA?
United Airlines flies 1,025 flights every month between SFO and SEA.
What aircraft type does United Airlines fly to SFO and SEA?
United Airlines typically flies the Airbus A320 out of SFO and returns on a Airbus A320 from SEA.
*Prices vary and will be updated when you view current flight availability results. Deals displayed here are based on flight pricing and availability as of 10/20/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.