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Reserve United SFO to SEA flights

Trip Type
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United Frequently Asked Questions about Flights from SFO to SEA

  • Question : What are the cheapest flights United Airlines has from SFO to SEA?
    Answer : The cheapest flights we could find in 1/2 on United Airlines from SFO to SEA are:
    • United flight UA1735 leaving San Francisco on 1/2 at 4:31 am and returning from Seattle on 1/4 at 5:35 pm for only $226 per person.*
  • Question : How many flights does United Airlines fly from SFO to SEA?
    Answer : United Airlines flies 1,000 flights every month between SFO and SEA.
  • Question : What aircraft type does United Airlines fly to SFO and SEA?
    Answer : United Airlines typically flies the Boeing 737-800 out of SFO and returns on a Boeing 737-800 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 11/21/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.

United Flights from SFO to SEA

Travelocity is proud to offer some of the lowest fares on United flights from San Francisco to Seattle. With our low price guarantee and free 24 hour cancellation, you can book that flight to SEA with confidence today. Choose from some of the best days to fly with our flexible booking calendar and you’ll save even more money on your journey from SFO to SEA. Whether you’re on the way to a well-deserved vacation or just flying for business, take advantage of these airfare deals today and go and smell the roses!

Carrier Flight Depart SFO Arrive SEA Mon
2/18		 Tue
2/19		 Wed
2/20		 Thu
2/21		 Fri
2/22		 Sat
2/23		 Sun
2/24		 Stops
UA 1689 06:20 am 08:32 am Check fare Check fare - Check fare Check fare Check fare Check fare 0 stop(s)
UA 5380 09:30 am 11:50 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 277 10:40 am 00:53 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 759 01:00 pm 03:15 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 2161 04:45 pm 06:57 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1003 07:40 pm 09:52 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1991 08:43 pm 10:56 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 351 10:55 pm 01:04 am Check fare Check fare Check fare Check fare Check fare - Check fare 0 stop(s)

Popular United Flight Routes from SFO

Top United Flight Routes from SEA

Top Flights for United originating from SFO

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Travelocity users over the 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Travelocity. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.