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Singapore Changi Airport to Seattle-Tacoma International Airport flight

Search for flights from Singapore to Seattle and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Thu, May 7 | Singapore Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 1,359 S$ 2,188
        38% off
        38% off
        S$ 2,188 S$ 1,359
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Tue, Apr 28 | Singapore Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Thu, Apr 30 | Singapore Airlines
        S$ 2,056 S$ 2,188
        6% off
        6% off
        S$ 2,188 S$ 2,056
      • SIN 13:45
        20h 30m
        1 stop
        SEA 19:15
        Singapore - Seattle | Thu, May 7 | China Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 975 S$ 2,188
        55% off
        55% off
        S$ 2,188 S$ 975
      • SIN 08:45
        20h 45m
        1 stop
        SEA 14:30
        Singapore - Seattle | Fri, May 22 | United Airlines
        SEA 10:29
        41h 6m
        1 stop
        SIN 18:35
        Seattle - Singapore | Sun, May 24 | United Airlines
        S$ 993
        55% off
        S$ 2,188 S$ 993
      • SIN 14:00
        17h 10m
        1 stop
        SEA 16:10
        Singapore - Seattle | Thu, May 7 | STARLUX Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 1,013
        54% off
        S$ 2,188 S$ 1,013
      • SIN 14:00
        17h 10m
        1 stop
        SEA 16:10
        Singapore - Seattle | Fri, May 8 | STARLUX Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sun, May 10 | Singapore Airlines
        S$ 1,031
        53% off
        S$ 2,188 S$ 1,031
      • SIN 09:00
        20h 36m
        1 stop
        SEA 14:36
        Singapore - Seattle | Thu, May 7 | United Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 1,034
        53% off
        S$ 2,188 S$ 1,034
      • SIN 20:35
        19h 37m
        1 stop
        SEA 01:12
        Singapore - Seattle | Tue, May 5 | United Airlines
        SEA 05:00
        22h 35m
        1 stop
        SIN 18:35
        Seattle - Singapore | Thu, May 7 | United Airlines
        S$ 1,043
        52% off
        S$ 2,188 S$ 1,043
      • SIN 09:00
        20h 46m
        1 stop
        SEA 14:46
        Singapore - Seattle | Tue, Apr 28 | United Airlines
        SEA 07:08
        20h 27m
        1 stop
        SIN 18:35
        Seattle - Singapore | Thu, Apr 30 | United Airlines
        S$ 1,048
        52% off
        S$ 2,188 S$ 1,048
      • SIN 15:20
        19h 10m
        1 stop
        SEA 19:30
        Singapore - Seattle | Thu, May 7 | Eva Air
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 1,050
        52% off
        S$ 2,188 S$ 1,050
      • SIN 22:45
        33h 14m
        1 stop
        SEA 16:59
        Singapore - Seattle | Thu, May 7 | Lufthansa
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 1,052
        52% off
        S$ 2,188 S$ 1,052
      • SIN 02:00
        32h 15m
        1 stop
        SEA 19:15
        Singapore - Seattle | Sat, Apr 25 | China Airlines
        SEA 01:15
        20h 20m
        1 stop
        SIN 12:35
        Seattle - Singapore | Mon, Apr 27 | China Airlines
        S$ 1,057
        52% off
        S$ 2,188 S$ 1,057
      • SIN 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Singapore - Seattle | Fri, Apr 24 | Normal Airline
        SEA 15:00
        6h
        Direct
        SIN 16:00
        Seattle - Singapore | Sun, Apr 26 | Normal Airline
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      • Cheapest nonstop
        SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sun, Jun 21 | Singapore Airlines
        S$ 1,614 S$ 1,854
        13% off
        13% off
        S$ 1,854 S$ 1,614
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sat, Jun 20 | Singapore Airlines
        S$ 1,742 S$ 1,854
        6% off
        6% off
        S$ 1,854 S$ 1,742
      • SIN 08:45
        25h 2m
        1 stop
        SEA 18:47
        Singapore - Seattle | Wed, Jun 3 | United Airlines
        S$ 636 S$ 1,854
        66% off
        66% off
        S$ 1,854 S$ 636
      • SIN 20:35
        32h 55m
        1 stop
        SEA 14:30
        Singapore - Seattle | Mon, Jun 1 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 20:35
        32h 55m
        1 stop
        SEA 14:30
        Singapore - Seattle | Tue, Jun 2 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 20:35
        19h 37m
        1 stop
        SEA 01:12
        Singapore - Seattle | Mon, May 11 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 09:00
        24h 32m
        1 stop
        SEA 18:32
        Singapore - Seattle | Tue, May 12 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 09:00
        31h 12m
        1 stop
        SEA 01:12
        Singapore - Seattle | Wed, May 13 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 09:00
        31h 12m
        1 stop
        SEA 01:12
        Singapore - Seattle | Tue, May 19 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 20:35
        29h 8m
        1 stop
        SEA 10:43
        Singapore - Seattle | Mon, May 18 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 20:35
        27h 47m
        1 stop
        SEA 09:22
        Singapore - Seattle | Wed, May 20 | United Airlines
        S$ 636
        66% off
        S$ 1,854 S$ 636
      • SIN 22:00
        27h 40m
        1 stop
        SEA 10:40
        Singapore - Seattle | Mon, May 18 | Korean Air
        S$ 643
        65% off
        S$ 1,854 S$ 643
      • SIN 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Singapore - Seattle | Fri, Apr 24 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Trip.com Price Insights: Flights from Singapore Changi Airport to Seattle-Tacoma International Airport

Which month has the cheapest one-way flights from Singapore Changi Airport to Seattle-Tacoma International Airport?

The data is based on Trip.com data from the past 12 months and shows the average one-way fares by month from Singapore Changi Airport to Seattle-Tacoma International Airport.

Based on Trip.com 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 S$ 688. August sees the highest fares, around S$ 1,101.

S$ 1,101
S$ 895
S$ 688
S$ 482
    Cheapest
  • S$ 1,013
    Apr
  • S$ 812
    May
  • S$ 896
    Jun
  • S$ 827
    Jul
  • S$ 1,101
    Aug
  • S$ 715
    Sep
  • S$ 688
    Oct
  • S$ 749
    Nov
  • S$ 801
    Dec
  • S$ 859
    Jan
  • S$ 785
    Feb
  • S$ 976
    Mar

Which day of the week has the cheapest flights from Singapore Changi Airport to Seattle-Tacoma International Airport?

The data is based on Trip.com data from the past 12 months and shows the average fares by each day of the week from Singapore Changi Airport to Seattle-Tacoma International Airport.

Based on Trip.com data from the past 12 months, the cheapest day for flights from Singapore Changi Airport to Seattle-Tacoma International Airport is Wednesday, with average prices lower than other days. Try to avoid departing on Sunday, as fares are typically the highest.

S$ 1,015
S$ 893
S$ 771
S$ 649
    Cheapest
  • S$ 847
    Mon
  • S$ 805
    Tue
  • S$ 771
    Wed
  • S$ 907
    Thu
  • S$ 813
    Fri
  • S$ 874
    Sat
  • S$ 1,015
    Sun

Selected Airlines from Singapore Changi Airport to Seattle-Tacoma International Airport

See which airlines fly from Singapore to Seattle. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

United Airlines
From S$ 636
Korean Air
From S$ 643
Delta Air Lines
From S$ 647
All Nippon Airways
From S$ 715
Qatar Airways
From S$ 730
Asiana Airlines
From S$ 736
Sichuan Airlines
From S$ 742
Scoot
From S$ 754
STARLUX Airlines
From S$ 757
Eva Air
From S$ 786

Find more flights and airlines

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. KE648

    Singapore Changi Airport

    07:30

    SIN

    6h 30m

    Direct

    15:00

    ICN

    S M T W T F S
    Search

  2. KE041

    Incheon International Airport

    16:40

    ICN

    10h

    Direct

    10:40

    SEA

    S M T W T F S

  3. DL7824

    Singapore Changi Airport

    07:30

    SIN

    6h 30m

    Direct

    15:00

    ICN

    S M T W T F S
    Search

  4. DL196

    Incheon International Airport

    18:45

    ICN

    9h 15m

    Direct

    12:00

    SEA

    S M T W T F S

  5. UA002

    Singapore Changi Airport

    09:00

    SIN

    15h 10m

    Direct

    09:10

    SFO

    S M T W T F S
    Search

  6. UA2279

    San Francisco International Airport

    16:12

    SFO

    2h 23m

    Direct

    18:35

    SEA

    S M T W T F S

  7. DL7822

    Singapore Changi Airport

    01:25

    SIN

    6h 25m

    Direct

    08:50

    ICN

    S M T W T F S
    Search

  8. DL196

    Incheon International Airport

    18:45

    ICN

    9h 15m

    Direct

    12:00

    SEA

    S M T W T F S

  9. KE644

    Singapore Changi Airport

    22:00

    SIN

    6h 35m

    Direct

    05:35

    ICN

    S M T W T F S
    Search

  10. KE041

    Incheon International Airport

    16:40

    ICN

    10h

    Direct

    10:40

    SEA

    S M T W T F S

  11. OZ752

    Singapore Changi Airport

    22:50

    SIN

    6h 50m

    Direct

    06:40

    ICN

    S M T W T F S
    Search

  12. KE5019

    Incheon International Airport

    18:45

    ICN

    9h 15m

    Direct

    12:00

    SEA

    S M T W T F S

  13. DL7820

    Singapore Changi Airport

    22:00

    SIN

    6h 35m

    Direct

    05:35

    ICN

    S M T W T F S
    Search

  14. DL196

    Incheon International Airport

    18:45

    ICN

    9h 15m

    Direct

    12:00

    SEA

    S M T W T F S

  15. QR947

    Singapore Changi Airport

    19:40

    SIN

    7h 20m

    Direct

    22:00

    DOH

    S M T W T F S
    Search

  16. QR719

    Hamad International Airport

    07:50

    DOH

    14h 35m

    Direct

    12:25

    SEA

    S - T - T F -
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Singapore Changi Airport to Seattle-Tacoma International Airport Flights Info

Flight distance12,993.6km
Cheapest one-way ticket priceS$ 636
Cheapest return ticket priceS$ 975

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

  • How long is a flight from Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA)?

    It takes around 14 hours 41 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 S$ 1,953 in June, 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 S$ 2,925 in May, the most expensive month to book this route.
  • The earliest flight departs from Singapore Changi Airport (SIN) at 09:00 and arrives in Seattle-Tacoma International Airport (SEA) at 07:10.
    • 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.

Popular Destinations & Recommendations

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.