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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 SGD 590 and round-trip from SGD 979. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Tue, Nov 3 | Singapore Airlines
        SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Sun, Nov 8 | Singapore Airlines
        SGD 1,149 SGD 1,370
        16% off
        16% off
        SGD 1,370 SGD 1,149
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
        SEA 09:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Thu, Oct 29 | Singapore Airlines
        SGD 1,164 SGD 1,370
        15% off
        15% off
        SGD 1,370 SGD 1,164
      • SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Sat, Oct 24 | Air Canada
        SEA 10:10
        29h 50m
        1 stop
        SIN 07:00
        Seattle - Singapore | Sat, Oct 31 | Air Canada
        SGD 979 SGD 1,370
        28% off
        28% off
        SGD 1,370 SGD 979
      • SIN 08:40
        16h 47m
        1 stop
        SEA 09:27
        Singapore - Seattle | Thu, Nov 5 | Air Canada
        SEA 10:10
        28h 50m
        1 stop
        SIN 07:00
        Seattle - Singapore | Sun, Nov 8 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 08:40
        20h 57m
        1 stop
        SEA 14:37
        Singapore - Seattle | Sun, Nov 1 | Air Canada
        SEA 19:05
        19h 55m
        1 stop
        SIN 07:00
        Seattle - Singapore | Thu, Nov 5 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 08:40
        20h 57m
        1 stop
        SEA 14:37
        Singapore - Seattle | Sat, Oct 31 | Air Canada
        SEA 19:05
        19h 55m
        1 stop
        SIN 07:00
        Seattle - Singapore | Thu, Nov 5 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 08:40
        20h 57m
        1 stop
        SEA 14:37
        Singapore - Seattle | Thu, Oct 29 | Air Canada
        SEA 08:40
        30h 20m
        1 stop
        SIN 07:00
        Seattle - Singapore | Thu, Nov 5 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 08:40
        20h 57m
        1 stop
        SEA 14:37
        Singapore - Seattle | Tue, Oct 27 | Air Canada
        SEA 10:10
        29h 50m
        1 stop
        SIN 07:00
        Seattle - Singapore | Sun, Nov 1 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Mon, Oct 26 | Air Canada
        SEA 10:10
        29h 50m
        1 stop
        SIN 07:00
        Seattle - Singapore | Sun, Nov 1 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Thu, Oct 22 | Air Canada
        SEA 05:50
        32h 25m
        1 stop
        SIN 05:15
        Seattle - Singapore | Sun, Oct 25 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Tue, Oct 20 | Air Canada
        SEA 19:05
        20h 55m
        1 stop
        SIN 07:00
        Seattle - Singapore | Tue, Oct 27 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Mon, Oct 19 | Air Canada
        SEA 05:50
        32h 25m
        1 stop
        SIN 05:15
        Seattle - Singapore | Thu, Oct 22 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Sat, Oct 17 | Air Canada
        SEA 15:00
        23h 15m
        1 stop
        SIN 05:15
        Seattle - Singapore | Tue, Oct 20 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Thu, Oct 15 | Air Canada
        SEA 10:50
        27h 25m
        1 stop
        SIN 05:15
        Seattle - Singapore | Thu, Oct 22 | Air Canada
        SGD 980
        28% off
        SGD 1,370 SGD 980
      • SIN 13:00
        17h 25m
        1 stop
        SEA 14:00
        Singapore - Seattle | Wed, Sep 9 | Normal Airline
        SEA 15:00
        6h
        Direct
        SIN 16:00
        Seattle - Singapore | Fri, Sep 11 | Normal Airline
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      • Cheapest nonstop
        SIN 08:55
        14h 10m
        Direct
        SEA 08:05
        Singapore - Seattle | Sun, Nov 1 | Singapore Airlines
        SGD 590 SGD 704
        16% off
        16% off
        SGD 704 SGD 590
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sat, Oct 24 | Singapore Airlines
        SGD 590 SGD 704
        16% off
        16% off
        SGD 704 SGD 590
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sun, Oct 25 | Singapore Airlines
        SGD 590 SGD 704
        16% off
        16% off
        SGD 704 SGD 590
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Mon, Oct 26 | Singapore Airlines
        SGD 590
        16% off
        SGD 704 SGD 590
      • SIN 08:55
        14h 10m
        Direct
        SEA 08:05
        Singapore - Seattle | Thu, Oct 29 | Singapore Airlines
        SGD 590
        16% off
        SGD 704 SGD 590
      • SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Fri, Nov 6 | Singapore Airlines
        SGD 594
        16% off
        SGD 704 SGD 594
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sun, Oct 18 | Singapore Airlines
        SGD 596
        15% off
        SGD 704 SGD 596
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
        SGD 596
        15% off
        SGD 704 SGD 596
      • SIN 08:55
        14h 10m
        Direct
        SEA 08:05
        Singapore - Seattle | Sat, Oct 31 | Singapore Airlines
        SGD 596
        15% off
        SGD 704 SGD 596
      • SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Thu, Nov 5 | Singapore Airlines
        SGD 596
        15% off
        SGD 704 SGD 596
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Thu, Oct 15 | Singapore Airlines
        SGD 598
        15% off
        SGD 704 SGD 598
      • SIN 07:00
        30h 47m
        1 stop
        SEA 22:47
        Singapore - Seattle | Tue, Sep 15 | Air Canada
        SGD 596
        15% off
        SGD 704 SGD 596
      • SIN 13:00
        17h 25m
        1 stop
        SEA 14:00
        Singapore - Seattle | Wed, Sep 9 | Normal Airline
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Flight fares from Singapore Changi Airport to Seattle-Tacoma International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

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 September, with an average price of SGD 675. It is best to avoid June, when the average price can reach SGD 1,204.

SGD 1,204
SGD 940
SGD 675
SGD 411
  • SGD 675
    Sep
  • SGD 695
    Oct
  • SGD 757
    Nov
  • SGD 810
    Dec
  • SGD 868
    Jan
  • SGD 794
    Feb
  • SGD 987
    Mar
  • SGD 864
    Apr
  • SGD 890
    May
  • SGD 1,204
    Jun
  • SGD 817
    Jul
  • SGD 926
    Aug

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.

SGD 1,091
SGD 906
SGD 721
SGD 536
    Cheapest
  • SGD 822
    Mon
  • SGD 1,091
    Tue
  • SGD 721
    Wed
  • SGD 907
    Thu
  • SGD 908
    Fri
  • SGD 858
    Sat
  • SGD 916
    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 SGD 590) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Singapore Airlines
From SGD 590
Air Canada
From SGD 596
Citilink
From SGD 618
TransNusa Airlines
From SGD 630
Garuda Indonesia
From SGD 631
Etihad Airways
From SGD 636
United Airlines
From SGD 641
Korean Air
From SGD 650
Delta Air Lines
From SGD 661
STARLUX Airlines
From SGD 667

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 - W T F S
    Search

  2. SQ032

    Singapore Changi Airport

    09:15

    SIN

    15h 35m

    Direct

    09:50

    SFO

    S M T W T F S
    Search

  3. DL1412

    San Francisco International Airport

    14:15

    SFO

    2h 15m

    Direct

    16:30

    SEA

    S M T W T F S

  4. SQ032

    Singapore Changi Airport

    09:15

    SIN

    15h 35m

    Direct

    09:50

    SFO

    S M T W T F S
    Search

  5. AS068

    San Francisco International Airport

    14:14

    SFO

    2h 13m

    Direct

    16:27

    SEA

    S M T W T F S

  6. SQ032

    Singapore Changi Airport

    09:15

    SIN

    15h 35m

    Direct

    09:50

    SFO

    S M T W T F S
    Search

  7. DL3707

    San Francisco International Airport

    17:38

    SFO

    2h 23m

    Direct

    20:01

    SEA

    S M T W T F S

  8. AC020

    Singapore Changi Airport

    07:00

    SIN

    14h 25m

    Direct

    06:25

    YVR

    - M T W T F S
    Search

  9. AC8810

    Vancouver International Airport

    21:10

    YVR

    1h 7m

    Direct

    22:17

    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 SGD 590
Cheapest return ticket price SGD 979

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

  • How long does it take to fly from Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA)?

    It takes around 14 hours 40 minutes to fly 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).
  • Tickets cost around SGD 1,220 in October, making it the cheapest month to book. Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA) is a popular route, so don't forget to book your tickets in advance.
  • 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 SGD 1,220 in October, 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.
  • The earliest flight from Singapore Changi Airport to Seattle-Tacoma International Airport departs at 09:00, and the last departs at 09:00, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • Singapore Changi Airport to Seattle-Tacoma International Airport operates around 3 weekly flights, mainly by Singapore Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • 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 SGD 1,046. Prices may vary depending on the departure date, airline, and availability.
  • 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 estimated lowest price 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 prices (incl. taxes, fuel surcharge, 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 were updated within the 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.