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Cheap flights from Singapore to SeaTac

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      Travelers and cabin class, 1 Adult, Economy

      Compare Singapore to SeaTac flight deals

      Find the cheapest month or even day of the year to fly to SeaTac

      Book the best SeaTac fare with no extra fees

      Flight deals from Singapore to SeaTac

      Looking for a cheap last-minute deal or the best round-trip flight from Singapore to SeaTac? Find the lowest prices on one-way and round-trip tickets right here.
      Seattle.$788 per passenger.Departing Fri, Nov 20, returning Sun, Nov 29.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from Singapore Changi on Fri, Nov 20, arriving in Seattle / Tacoma International.Inbound direct flight with Singapore Airlines departing from Seattle / Tacoma International on Sun, Nov 29, arriving in Singapore Changi.Price includes taxes and charges.From $788, select.
      Seattle.$835 per passenger.Departing Thu, Oct 22, returning Wed, Nov 4.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Singapore Changi on Thu, Oct 22, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Wed, Nov 4, arriving in Singapore Changi.Price includes taxes and charges.From $835, select.
      Seattle.$846 per passenger.Departing Thu, Oct 22, returning Thu, Oct 29.Round-trip flight with Singapore Airlines and Air Canada.Outbound indirect flight with Singapore Airlines, departing from Singapore Changi on Thu, Oct 22, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Thu, Oct 29, arriving in Singapore Changi.Price includes taxes and charges.From $846, select.
      Seattle.$848 per passenger.Departing Fri, Jan 8, returning Fri, Jan 22.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Singapore Changi on Fri, Jan 8, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Fri, Jan 22, arriving in Singapore Changi.Price includes taxes and charges.From $848, select.
      Seattle.$848 per passenger.Departing Tue, Dec 22, returning Tue, Jan 5.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Singapore Changi on Tue, Dec 22, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Tue, Jan 5, arriving in Singapore Changi.Price includes taxes and charges.From $848, select.
      Seattle.$849 per passenger.Departing Sat, Nov 21, returning Tue, Dec 1.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Singapore Changi on Sat, Nov 21, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Tue, Dec 1, arriving in Singapore Changi.Price includes taxes and charges.From $849, select.
      Seattle.$849 per passenger.Departing Sun, Dec 13, returning Sun, Dec 27.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Singapore Changi on Sun, Dec 13, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Sun, Dec 27, arriving in Singapore Changi.Price includes taxes and charges.From $849, select.
      Seattle.$859 per passenger.Departing Wed, May 12, returning Mon, May 24.Round-trip flight with Korean Air.Outbound indirect flight with Korean Air, departing from Singapore Changi on Wed, May 12, arriving in Seattle / Tacoma International.Inbound indirect flight with Korean Air, departing from Seattle / Tacoma International on Mon, May 24, arriving in Singapore Changi.Price includes taxes and charges.From $859, select.
      Seattle.$861 per passenger.Departing Tue, Mar 30, returning Mon, Apr 12.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Singapore Changi on Tue, Mar 30, arriving in Seattle / Tacoma International.Inbound indirect flight with China Airlines, departing from Seattle / Tacoma International on Mon, Apr 12, arriving in Singapore Changi.Price includes taxes and charges.From $861, select.
      Seattle.$861 per passenger.Departing Tue, Mar 16, returning Wed, Mar 24.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Singapore Changi on Tue, Mar 16, arriving in Seattle / Tacoma International.Inbound indirect flight with China Airlines, departing from Seattle / Tacoma International on Wed, Mar 24, arriving in Singapore Changi.Price includes taxes and charges.From $861, select.
      Seattle.$861 per passenger.Departing Thu, Feb 11, returning Mon, Feb 15.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Singapore Changi on Thu, Feb 11, arriving in Seattle / Tacoma International.Inbound indirect flight with China Airlines, departing from Seattle / Tacoma International on Mon, Feb 15, arriving in Singapore Changi.Price includes taxes and charges.From $861, select.
      Seattle.$864 per passenger.Departing Thu, May 13, returning Tue, Jun 1.Round-trip flight with Korean Air.Outbound indirect flight with Korean Air, departing from Singapore Changi on Thu, May 13, arriving in Seattle / Tacoma International.Inbound indirect flight with Korean Air, departing from Seattle / Tacoma International on Tue, Jun 1, arriving in Singapore Changi.Price includes taxes and charges.From $864, select.
      Seattle.$864 per passenger.Departing Thu, Feb 4, returning Tue, Mar 2.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Singapore Changi on Thu, Feb 4, arriving in Seattle / Tacoma International.Inbound indirect flight with China Airlines, departing from Seattle / Tacoma International on Tue, Mar 2, arriving in Singapore Changi.Price includes taxes and charges.From $864, select.
      Seattle.$875 per passenger.Departing Fri, Apr 9, returning Thu, Apr 22.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Singapore Changi on Fri, Apr 9, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Thu, Apr 22, arriving in Singapore Changi.Price includes taxes and charges.From $875, select.
      Seattle.$886 per passenger.Departing Tue, Sep 22, returning Tue, Sep 29.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Singapore Changi on Tue, Sep 22, arriving in Seattle / Tacoma International.Inbound indirect flight with China Airlines, departing from Seattle / Tacoma International on Tue, Sep 29, arriving in Singapore Changi.Price includes taxes and charges.From $886, select.
      Seattle.$891 per passenger.Departing Sat, Apr 10, returning Sun, May 9.Round-trip flight with STARLUX Airlines.Outbound indirect flight with STARLUX Airlines, departing from Singapore Changi on Sat, Apr 10, arriving in Seattle / Tacoma International.Inbound indirect flight with STARLUX Airlines, departing from Seattle / Tacoma International on Sun, May 9, arriving in Singapore Changi.Price includes taxes and charges.From $891, select.
      Show more deals
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Singapore to SeaTac found in the last 12 days, and are subject to change and availability.

      Singapore to SeaTac: Flight information

      The things to know before you go.
      Fly intoSeattle / Tacoma International Airport
      Distance to SeaTac1.4 km
      Cheapest flight$786
      Cheapest month to flyNovember
      Most popular airlineSingapore Airlines
      Average flight time14 hrs, 22 mins

      Find the cheapest month to fly from Singapore to SeaTac

      We’re always keeping an eye on fares, so you can find the best flight deal in seconds. It looks like Singapore to SeaTac flights are currently cheapest in November. We’ve based this on flights into Seattle / Tacoma International Airport.
      Sep
      from $505
      Oct
      from $461
      Nov
      from $452
      Dec
      from $529
      Jan
      from $536
      Feb
      from $538
      Mar
      from $536
      Apr
      from $549
      May
      from $464
      Jun
      from $464
      Jul
      from $1,126
      Aug
      from $584

      Finding cheap flights from Singapore to SeaTac: Frequently asked questions

      There are three (3) airports near SeaTac: Seattle / Tacoma International Airport, Seattle Boeing Fld Airport, and Seattle Lake Union SPB Airport.
      The best price we found for a round-trip flight from Singapore to SeaTac is $786. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, Singapore Airlines is the only airline that offers direct flights to Seattle / Tacoma International Airport.
      We've checked every Singapore to SeaTac fare we could find, and the cheapest upcoming date to fly seems to be on Friday, November 20, 2026. Overall, the cheapest month to fly from Singapore to SeaTac is usually November.
      If you're flying from Singapore, the cheapest airport near SeaTac is Seattle / Tacoma International – which is 1.4 km away from the center of SeaTac. We've found flights to this airport from $786.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Singapore to SeaTac on Friday, November 20, 2026.
      No airlines currently offer direct flights between Singapore and SeaTac. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to SeaTac but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to SeaTac is around 40 days in advance, so don’t leave your flight to the last minute.

      Seattle / Tacoma International Airport is 1.4km from SeaTac, Seattle Boeing Fld Airport is 8.5km from SeaTac, and Seattle Lake Union SPB Airport is 19.3km from SeaTac.
      Seattle / Tacoma International Airport is closest to SeaTac, at around 1.4 km away.
      The cheapest airline that flies to SeaTac is Singapore Airlines.