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Changi Airport to Seattle Tacoma Intl. Airport flight

Explore the cheapest one-way and round-trip flights from Changi Airport to Seattle Tacoma Intl. Airport over the next 90 days, with one-way fares from AU$683 and round-trip from AU$1,108. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Dec 8 | Singapore Airlines
      SEA 8:40 AM
      17h 5m
      Nonstop
      SIN 5:45 PM
      Seattle - Singapore | Sun, Dec 13 | Singapore Airlines
      AU$1,145 AU$1,424
      20% off
      20% off
      AU$1,424 AU$1,145
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sun, Dec 6 | Singapore Airlines
      SEA 8:40 AM
      17h 5m
      Nonstop
      SIN 5:45 PM
      Seattle - Singapore | Sun, Dec 13 | Singapore Airlines
      AU$1,153 AU$1,424
      19% off
      19% off
      AU$1,424 AU$1,153
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Sat, Nov 21 | Air Canada
      SEA 10:10 AM
      28h 50m
      1 stop
      SIN 7:00 AM
      Seattle - Singapore | Fri, Nov 27 | Air Canada
      AU$1,108 AU$1,424
      22% off
      22% off
      AU$1,424 AU$1,108
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Sun, Nov 15 | Air Canada
      SEA 8:40 AM
      30h 20m
      1 stop
      SIN 7:00 AM
      Seattle - Singapore | Thu, Nov 19 | Air Canada
      AU$1,112
      22% off
      AU$1,424 AU$1,112
    • SIN 8:40 AM
      21h 57m
      1 stop
      SEA 2:37 PM
      Singapore - Seattle | Fri, Dec 4 | Air Canada
      SEA 7:05 PM
      19h 55m
      1 stop
      SIN 7:00 AM
      Seattle - Singapore | Fri, Dec 11 | Air Canada
      AU$1,119
      21% off
      AU$1,424 AU$1,119
    • SIN 8:40 AM
      16h 47m
      1 stop
      SEA 9:27 AM
      Singapore - Seattle | Sat, Dec 5 | Air Canada
      SEA 8:40 AM
      30h 20m
      1 stop
      SIN 7:00 AM
      Seattle - Singapore | Wed, Dec 9 | Air Canada
      AU$1,123
      21% off
      AU$1,424 AU$1,123
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Tue, Nov 24 | Air Canada
      SEA 10:10 AM
      28h 50m
      1 stop
      SIN 7:00 AM
      Seattle - Singapore | Sun, Nov 29 | Air Canada
      AU$1,126
      21% off
      AU$1,424 AU$1,126
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Sun, Nov 22 | Air Canada
      SEA 7:05 PM
      19h 55m
      1 stop
      SIN 7:00 AM
      Seattle - Singapore | Sun, Nov 29 | Air Canada
      AU$1,126
      21% off
      AU$1,424 AU$1,126
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Thu, Nov 19 | Air Canada
      SEA 7:05 PM
      19h 55m
      1 stop
      SIN 7:00 AM
      Seattle - Singapore | Sun, Nov 22 | Air Canada
      AU$1,126
      21% off
      AU$1,424 AU$1,126
    • SIN 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
      SEA 3:00 PM
      6h
      Nonstop
      SIN 4:00 PM
      Seattle - Singapore | Tue, Nov 10 | Normal Airline
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    • Cheapest
      SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 21 | Singapore Airlines
      AU$683 AU$871
      22% off
      22% off
      AU$871 AU$683
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$684 AU$871
      21% off
      21% off
      AU$871 AU$684
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$685 AU$871
      21% off
      21% off
      AU$871 AU$685
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 14 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      21% off
      AU$871 AU$689
    • SIN 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$684 AU$1,934
      65% off
      65% off
      AU$1,934 AU$684
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$685 AU$1,934
      65% off
      65% off
      AU$1,934 AU$685
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686 AU$1,934
      65% off
      65% off
      AU$1,934 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      65% off
      AU$1,934 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      65% off
      AU$1,934 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      65% off
      AU$1,934 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 18 | Singapore Airlines
      AU$690
      64% off
      AU$1,934 AU$690
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sun, Nov 22 | Singapore Airlines
      AU$690
      64% off
      AU$1,934 AU$690
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Fri, Nov 20 | Singapore Airlines
      AU$790
      59% off
      AU$1,934 AU$790
    • SIN 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
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    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 21 | Singapore Airlines
      AU$683 AU$871
      22% off
      22% off
      AU$871 AU$683
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$684 AU$871
      21% off
      21% off
      AU$871 AU$684
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$685 AU$871
      21% off
      21% off
      AU$871 AU$685
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 14 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      21% off
      AU$871 AU$689
    • SIN 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686 AU$2,809
      76% off
      76% off
      AU$2,809 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686 AU$2,809
      76% off
      76% off
      AU$2,809 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686 AU$2,809
      76% off
      76% off
      AU$2,809 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      75% off
      AU$2,809 AU$689
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sun, Nov 8 | Singapore Airlines
      AU$798
      72% off
      AU$2,809 AU$798
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Tue, Nov 10 | Air Canada
      AU$705
      75% off
      AU$2,809 AU$705
    • SIN 8:40 AM
      16h 47m
      1 stop
      SEA 9:27 AM
      Singapore - Seattle | Fri, Nov 13 | Air Canada
      AU$705
      75% off
      AU$2,809 AU$705
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Thu, Nov 12 | Air Canada
      AU$705
      75% off
      AU$2,809 AU$705
    • SIN 8:40 AM
      16h 52m
      1 stop
      SEA 9:32 AM
      Singapore - Seattle | Sun, Nov 8 | Air Canada
      AU$705
      75% off
      AU$2,809 AU$705
    • SIN 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
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    • Cheapest nonstop
      SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 21 | Singapore Airlines
      AU$683 AU$871
      22% off
      22% off
      AU$871 AU$683
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$684 AU$871
      21% off
      21% off
      AU$871 AU$684
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$685 AU$871
      21% off
      21% off
      AU$871 AU$685
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 14 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 8:55 AM
      14h 10m
      Nonstop
      SEA 7:05 AM
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      21% off
      AU$871 AU$689
    • SIN 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
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Displayed flight fares from Singapore to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Changi Airport to Seattle Tacoma Intl. Airport

What is the cheapest month for one-way flights from Changi Airport to Seattle Tacoma Intl. Airport?

Data is based on average one-way flight prices from Changi Airport to Seattle Tacoma Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Changi Airport to Seattle Tacoma Intl. Airport, the best time to buy is in October, with an average price of AU$747. You’ll want to avoid June, when the average price can reach as high as AU$1,392.

AU$1,392
AU$1,070
AU$747
AU$425
    Cheapest
  • AU$876
    Nov
  • AU$937
    Dec
  • AU$1,004
    Jan
  • AU$918
    Feb
  • AU$1,141
    Mar
  • AU$999
    Apr
  • AU$1,029
    May
  • AU$1,392
    Jun
  • AU$944
    Jul
  • AU$1,070
    Aug
  • AU$1,049
    Sep
  • AU$747
    Oct

What is the cheapest day of the week to fly from Changi Airport to Seattle Tacoma Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from Changi Airport to Seattle Tacoma Intl. Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Changi Airport to Seattle Tacoma Intl. Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Tuesday, as ticket prices are usually the highest that day.

AU$1,213
AU$1,028
AU$842
AU$657
    Cheapest
  • AU$962
    Mon
  • AU$1,213
    Tue
  • AU$842
    Wed
  • AU$1,053
    Thu
  • AU$1,110
    Fri
  • AU$1,041
    Sat
  • AU$1,052
    Sun

Which airline offers the cheapest flights from Changi Airport to Seattle Tacoma Intl. Airport?

The cheapest airline flying from Changi Airport to Seattle Tacoma Intl. Airport is Singapore Airlines (from AU$660) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Singapore Airlines
From AU$660
TransNusa Airlines
From AU$678
Air Canada
From AU$699
Japan Airlines
From AU$718
United Airlines
From AU$724
Hainan Airlines
From AU$724
Korean Air
From AU$738
American Airlines
From AU$742
China Airlines
From AU$744
Air China
From AU$754

Find more flights and airlines

What is the flight schedule from Changi Airport to Seattle Tacoma Intl. Airport?

Check the schedule for flights from Singapore to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. SQ028

    Changi Airport

    8:55 AM

    SIN

    14h 10m

    7:05 AM

    SEA

    - M T W T F S
    Search

  2. AC020

    Changi Airport

    7:00 AM

    SIN

    14h 25m

    Nonstop

    6:25 AM

    YVR

    - M - W T F S
    Search

  3. AC8798

    Vancouver Intl. Airport

    8:25 AM

    YVR

    1h 7m

    Nonstop

    9:32 AM

    SEA

    S M T W T F S

  4. JL712

    Changi Airport

    8:15 AM

    SIN

    6h 45m

    Nonstop

    4:00 PM

    NRT

    S M T W T F S
    Search

  5. JL068

    Narita Intl. Airport

    6:40 PM

    NRT

    8h 45m

    Nonstop

    10:25 AM

    SEA

    S M T W T F S

  6. AA8413

    Changi Airport

    8:15 AM

    SIN

    6h 45m

    Nonstop

    4:00 PM

    NRT

    S M T W T F S
    Search

  7. AA8446

    Narita Intl. Airport

    6:10 PM

    NRT

    8h 45m

    Nonstop

    9:55 AM

    SEA

    S M T W T F S

  8. AC020

    Changi Airport

    7:00 AM

    SIN

    14h 25m

    Nonstop

    6:25 AM

    YVR

    - M - W T F S
    Search

  9. AC8804

    Vancouver Intl. Airport

    1:30 PM

    YVR

    1h 7m

    Nonstop

    2:37 PM

    SEA

    S M T W T F S

  10. AC020

    Changi Airport

    7:00 AM

    SIN

    14h 25m

    Nonstop

    6:25 AM

    YVR

    - M - W T F S
    Search

  11. AC8806

    Vancouver Intl. Airport

    5:15 PM

    YVR

    1h 7m

    Nonstop

    6:22 PM

    SEA

    S M T W T F S

  12. AC020

    Changi Airport

    7:00 AM

    SIN

    14h 25m

    Nonstop

    6:25 AM

    YVR

    - M - W T F S
    Search

  13. AC8810

    Vancouver Intl. Airport

    8:50 PM

    YVR

    1h 7m

    Nonstop

    9:57 PM

    SEA

    - M - W - - S

  14. UA028

    Changi Airport

    10:20 PM

    SIN

    14h 55m

    Nonstop

    9:15 PM

    SFO

    S M T W T F S
    Search

  15. UA433

    San Francisco Intl. Airport

    2:10 PM

    SFO

    2h 17m

    Nonstop

    4:27 PM

    SEA

    S M T W T F S
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About Changi Airport and Seattle Tacoma Intl. Airport

Learn about Changi Airport (SIN) and Seattle Tacoma Intl. Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 12,993.6 km
Cheapest one-way ticket price AU$683
Cheapest return ticket price AU$1,108

FAQs for Changi Airport to Seattle Tacoma Intl. Airport Flights

  • How many daily flights are there from Changi Airport (SIN) to Seattle Tacoma Intl. Airport (SEA)?

    There are around 1 daily flights from Changi Airport (SIN) to Seattle Tacoma Intl. Airport (SEA).
  • The earliest flight from Changi Airport to Seattle Tacoma Intl. Airport departs at 08:55, and the last departs at 08:55, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Changi Airport (SIN) to Seattle Tacoma Intl. Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around AU$1,860 in December, the most expensive month to book this route.
  • The earliest flight departs from Changi Airport (SIN) at 09:00 and arrives in Seattle Tacoma Intl. Airport (SEA) at 07:10.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • Singapore Airlines is a very popular airline operating an average of 591 flights per month.
  • One-way flights from Changi Airport to Seattle Tacoma Intl. Airport currently start from AU$683, and round-trip fares start from AU$1,108. The current lowest fare is a Singapore Airlines flight departing on Sat, Nov 21; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Changi Airport to Seattle Tacoma Intl. Airport is AU$1,093. Prices may vary depending on the departure date, airline, and availability.
  • Changi Airport to Seattle Tacoma Intl. Airport operates around 6 weekly flights, mainly by Singapore Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Changi Airport and Seattle Tacoma Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.