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Singapore Changi Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Singapore Changi Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from AU$683 and round-trip from AU$1,109. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Dec 15 | Singapore Airlines
      SEA 08:40
      17h 5m
      Direct
      SIN 17:45
      Seattle - Singapore | Sun, Dec 20 | Singapore Airlines
      AU$1,146 AU$1,420
      19% off
      19% off
      AU$1,420 AU$1,146
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Dec 16 | Singapore Airlines
      SEA 08:40
      17h 5m
      Direct
      SIN 17:45
      Seattle - Singapore | Wed, Dec 23 | Singapore Airlines
      AU$1,150 AU$1,420
      19% off
      19% off
      AU$1,420 AU$1,150
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Sat, Nov 28 | Air Canada
      SEA 10:10
      28h 50m
      1 stop
      SIN 07:00
      Seattle - Singapore | Fri, Dec 4 | Air Canada
      AU$1,109 AU$1,420
      22% off
      22% off
      AU$1,420 AU$1,109
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Sun, Nov 22 | Air Canada
      SEA 08:40
      30h 20m
      1 stop
      SIN 07:00
      Seattle - Singapore | Thu, Nov 26 | Air Canada
      AU$1,113
      22% off
      AU$1,420 AU$1,113
    • SIN 08:40
      21h 57m
      1 stop
      SEA 14:37
      Singapore - Seattle | Fri, Dec 11 | Air Canada
      SEA 19:05
      19h 55m
      1 stop
      SIN 07:00
      Seattle - Singapore | Fri, Dec 18 | Air Canada
      AU$1,120
      21% off
      AU$1,420 AU$1,120
    • SIN 08:40
      16h 47m
      1 stop
      SEA 09:27
      Singapore - Seattle | Sat, Dec 12 | Air Canada
      SEA 08:40
      30h 20m
      1 stop
      SIN 07:00
      Seattle - Singapore | Wed, Dec 16 | Air Canada
      AU$1,124
      21% off
      AU$1,420 AU$1,124
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Tue, Dec 1 | Air Canada
      SEA 10:10
      28h 50m
      1 stop
      SIN 07:00
      Seattle - Singapore | Sun, Dec 6 | Air Canada
      AU$1,127
      21% off
      AU$1,420 AU$1,127
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Sun, Nov 29 | Air Canada
      SEA 19:05
      19h 55m
      1 stop
      SIN 07:00
      Seattle - Singapore | Sun, Dec 6 | Air Canada
      AU$1,127
      21% off
      AU$1,420 AU$1,127
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Thu, Nov 26 | Air Canada
      SEA 19:05
      19h 55m
      1 stop
      SIN 07:00
      Seattle - Singapore | Sun, Nov 29 | Air Canada
      AU$1,127
      21% off
      AU$1,420 AU$1,127
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
      SEA 15:00
      6h
      Direct
      SIN 16:00
      Seattle - Singapore | Tue, Nov 10 | Normal Airline
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    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 21 | Singapore Airlines
      AU$683 AU$871
      22% off
      22% off
      AU$871 AU$683
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$685 AU$871
      21% off
      21% off
      AU$871 AU$685
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$686 AU$871
      21% off
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 14 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      21% off
      AU$871 AU$689
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
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    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 21 | Singapore Airlines
      AU$683 AU$871
      22% off
      22% off
      AU$871 AU$683
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$685 AU$871
      21% off
      21% off
      AU$871 AU$685
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$686 AU$871
      21% off
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 14 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      21% off
      AU$871 AU$689
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
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    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$685 AU$1,936
      65% off
      65% off
      AU$1,936 AU$685
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$686 AU$1,936
      65% off
      65% off
      AU$1,936 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686 AU$1,936
      65% off
      65% off
      AU$1,936 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      65% off
      AU$1,936 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      65% off
      AU$1,936 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      65% off
      AU$1,936 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 18 | Singapore Airlines
      AU$691
      64% off
      AU$1,936 AU$691
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sun, Nov 22 | Singapore Airlines
      AU$691
      64% off
      AU$1,936 AU$691
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 20 | Singapore Airlines
      AU$791
      59% off
      AU$1,936 AU$791
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
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    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 21 | Singapore Airlines
      AU$683 AU$871
      22% off
      22% off
      AU$871 AU$683
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      AU$685 AU$871
      21% off
      21% off
      AU$871 AU$685
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      AU$686 AU$871
      21% off
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 14 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      AU$686
      21% off
      AU$871 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      21% off
      AU$871 AU$689
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Nov 8 | Normal Airline
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    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      AU$686 AU$2,812
      76% off
      76% off
      AU$2,812 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      AU$686 AU$2,812
      76% off
      76% off
      AU$2,812 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      AU$686 AU$2,812
      76% off
      76% off
      AU$2,812 AU$686
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      AU$689
      75% off
      AU$2,812 AU$689
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sun, Nov 8 | Singapore Airlines
      AU$799
      72% off
      AU$2,812 AU$799
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Tue, Nov 10 | Air Canada
      AU$705
      75% off
      AU$2,812 AU$705
    • SIN 08:40
      16h 47m
      1 stop
      SEA 09:27
      Singapore - Seattle | Fri, Nov 13 | Air Canada
      AU$705
      75% off
      AU$2,812 AU$705
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Thu, Nov 12 | Air Canada
      AU$705
      75% off
      AU$2,812 AU$705
    • SIN 08:40
      16h 52m
      1 stop
      SEA 09:32
      Singapore - Seattle | Sun, Nov 8 | Air Canada
      AU$705
      75% off
      AU$2,812 AU$705
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      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 Singapore Changi Airport to Seattle-Tacoma International Airport

What is the cheapest month to fly from Singapore Changi Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Singapore Changi Airport to Seattle-Tacoma International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Singapore Changi Airport to Seattle-Tacoma International Airport are usually in October, with an average price of AU$748. It is best to avoid June, when the average price can reach AU$1,394.

AU$1,394
AU$1,071
AU$748
AU$425
    Cheapest
  • AU$877
    Nov
  • AU$938
    Dec
  • AU$1,005
    Jan
  • AU$919
    Feb
  • AU$1,142
    Mar
  • AU$1,000
    Apr
  • AU$1,030
    May
  • AU$1,394
    Jun
  • AU$945
    Jul
  • AU$1,071
    Aug
  • AU$1,050
    Sep
  • AU$748
    Oct

What is the cheapest day of the week to fly from Singapore Changi Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average ticket prices from Singapore Changi Airport to Seattle-Tacoma International 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 departure day from Singapore Changi Airport to Seattle-Tacoma International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Tuesday as prices are typically highest on that day.

AU$1,214
AU$1,029
AU$843
AU$658
    Cheapest
  • AU$963
    Mon
  • AU$1,214
    Tue
  • AU$843
    Wed
  • AU$1,054
    Thu
  • AU$1,111
    Fri
  • AU$1,042
    Sat
  • AU$1,053
    Sun

Which airline offers the cheapest flights from Singapore Changi Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Singapore Changi Airport to Seattle-Tacoma International Airport is Singapore Airlines (from AU$683) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Singapore Airlines
From AU$683
Air Canada
From AU$705
United Airlines
From AU$742
Hainan Airlines
From AU$755
Korean Air
From AU$762
China Airlines
From AU$770
Delta Air Lines
From AU$777
AirAsia
From AU$785
STARLUX Airlines
From AU$797
Scoot
From AU$798

Find more flights and airlines

What is the flight schedule from Singapore Changi Airport to Seattle-Tacoma International 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

    Singapore Changi Airport

    08:55

    SIN

    14h 10m

    07:05

    SEA

    - M T W T F S
    Search

  2. AC020

    Singapore Changi Airport

    07:00

    SIN

    14h 25m

    Direct

    06:25

    YVR

    - M - W T F S
    Search

  3. AC8798

    Vancouver International Airport

    08:25

    YVR

    1h 7m

    Direct

    09:32

    SEA

    S M T W T F S

  4. JL712

    Singapore Changi Airport

    08:15

    SIN

    6h 45m

    Direct

    16:00

    NRT

    S M T W T F S
    Search

  5. JL068

    Narita International Airport

    18:40

    NRT

    8h 45m

    Direct

    10:25

    SEA

    S M T W T F S

  6. AA8413

    Singapore Changi Airport

    08:15

    SIN

    6h 45m

    Direct

    16:00

    NRT

    S M T W T F S
    Search

  7. AA8446

    Narita International Airport

    18:10

    NRT

    8h 45m

    Direct

    09:55

    SEA

    S M T W T F S

  8. AC020

    Singapore Changi Airport

    07:00

    SIN

    14h 25m

    Direct

    06:25

    YVR

    - M - W T F S
    Search

  9. AC8804

    Vancouver International Airport

    13:30

    YVR

    1h 7m

    Direct

    14:37

    SEA

    S M T W T F S

  10. AC020

    Singapore Changi Airport

    07:00

    SIN

    14h 25m

    Direct

    06:25

    YVR

    - M - W T F S
    Search

  11. AC8806

    Vancouver International Airport

    17:15

    YVR

    1h 7m

    Direct

    18:22

    SEA

    S M T W T F S

  12. AC020

    Singapore Changi Airport

    07:00

    SIN

    14h 25m

    Direct

    06:25

    YVR

    - M - W T F S
    Search

  13. AC8810

    Vancouver International Airport

    20:50

    YVR

    1h 7m

    Direct

    21:57

    SEA

    - M - W - - S

  14. UA028

    Singapore Changi Airport

    22:20

    SIN

    14h 55m

    Direct

    21:15

    SFO

    S M T W T F S
    Search

  15. UA433

    San Francisco International Airport

    14:10

    SFO

    2h 17m

    Direct

    16:27

    SEA

    S M T W T F S
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About Singapore Changi Airport and Seattle-Tacoma International Airport

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

Flight distance 12,993.6km
Cheapest one-way ticket price AU$683
Cheapest return ticket price AU$1,109

FAQs for Singapore Changi Airport to Seattle-Tacoma International Airport Flights

  • How many daily flights are there from Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA)?

    There are around 1 daily flights from Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Singapore Changi Airport to Seattle-Tacoma International 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 Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around AU$1,862 in December, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Singapore Airlines is a very popular airline operating an average of 591 flights per month.
  • One-way flights from Singapore Changi Airport to Seattle-Tacoma International Airport currently start from AU$683, and round-trip fares start from AU$1,109. 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 Singapore Changi Airport to Seattle-Tacoma International Airport is AU$1,094. Prices may vary depending on the departure date, airline, and availability.
  • Singapore Changi Airport to Seattle-Tacoma International Airport operates around 6 weekly flights, mainly by Singapore Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Singapore Changi Airport and Seattle-Tacoma International 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.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.