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Seattle-Tacoma International Airport to Singapore Changi Airport flight

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

      • Cheapest nonstop
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sat, May 16 | Singapore Airlines
        TRY 77,958 TRY 106,792
        27% off
        27% off
        TRY 106,792 TRY 77,958
      • SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sun, May 10 | Singapore Airlines
        SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sat, May 16 | Singapore Airlines
        TRY 77,958 TRY 106,792
        27% off
        27% off
        TRY 106,792 TRY 77,958
      • SEA 00:55
        29h 35m
        1 stop
        SIN 21:30
        Seattle - Singapore | Mon, May 4 | Asiana Airlines
        SIN 20:35
        30h 50m
        1 stop
        SEA 12:25
        Singapore - Seattle | Mon, May 11 | United Airlines
        TRY 40,844 TRY 106,792
        62% off
        62% off
        TRY 106,792 TRY 40,844
      • SEA 00:55
        29h 35m
        1 stop
        SIN 21:30
        Seattle - Singapore | Wed, May 6 | Asiana Airlines
        SIN 09:00
        24h 32m
        1 stop
        SEA 18:32
        Singapore - Seattle | Tue, May 12 | United Airlines
        TRY 40,844
        62% off
        TRY 106,792 TRY 40,844
      • SEA 00:55
        29h 35m
        1 stop
        SIN 21:30
        Seattle - Singapore | Tue, May 5 | Asiana Airlines
        SIN 20:35
        19h 37m
        1 stop
        SEA 01:12
        Singapore - Seattle | Tue, May 12 | United Airlines
        TRY 41,865
        61% off
        TRY 106,792 TRY 41,865
      • SEA 19:20
        18h 55m
        1 stop
        SIN 05:15
        Seattle - Singapore | Thu, May 21 | Air Canada
        SIN 07:00
        18h 5m
        1 stop
        SEA 10:05
        Singapore - Seattle | Tue, May 26 | Air Canada
        TRY 42,682
        60% off
        TRY 106,792 TRY 42,682
      • SEA 10:45
        27h 30m
        1 stop
        SIN 05:15
        Seattle - Singapore | Sun, May 17 | Air Canada
        SIN 07:00
        22h 20m
        1 stop
        SEA 14:20
        Singapore - Seattle | Thu, May 21 | Air Canada
        TRY 43,670
        59% off
        TRY 106,792 TRY 43,670
      • SEA 10:45
        27h 30m
        1 stop
        SIN 05:15
        Seattle - Singapore | Fri, May 15 | Air Canada
        SIN 07:00
        26h 30m
        1 stop
        SEA 18:30
        Singapore - Seattle | Thu, May 21 | Air Canada
        TRY 43,670
        59% off
        TRY 106,792 TRY 43,670
      • SEA 10:45
        27h 30m
        1 stop
        SIN 05:15
        Seattle - Singapore | Fri, May 22 | Air Canada
        SIN 07:00
        26h 30m
        1 stop
        SEA 18:30
        Singapore - Seattle | Tue, May 26 | Air Canada
        TRY 43,670
        59% off
        TRY 106,792 TRY 43,670
      • SEA 10:45
        27h 30m
        1 stop
        SIN 05:15
        Seattle - Singapore | Tue, May 19 | Air Canada
        SIN 20:35
        30h 59m
        1 stop
        SEA 12:34
        Singapore - Seattle | Mon, May 25 | United Airlines
        TRY 43,696
        59% off
        TRY 106,792 TRY 43,696
      • SEA 05:00
        22h 35m
        1 stop
        SIN 18:35
        Seattle - Singapore | Mon, May 4 | United Airlines
        SIN 09:00
        31h 12m
        1 stop
        SEA 01:12
        Singapore - Seattle | Mon, May 11 | United Airlines
        TRY 43,861
        59% off
        TRY 106,792 TRY 43,861
      • SEA 05:00
        22h 35m
        1 stop
        SIN 18:35
        Seattle - Singapore | Tue, May 5 | United Airlines
        SIN 09:00
        20h 36m
        1 stop
        SEA 14:36
        Singapore - Seattle | Tue, May 12 | United Airlines
        TRY 43,861
        59% off
        TRY 106,792 TRY 43,861
      • SEA 13:00
        17h 25m
        1 stop
        SIN Invalid Date
        Seattle - Singapore | Sun, Apr 26 | Normal Airline
        SIN 15:00
        6h
        Direct
        SEA 16:00
        Singapore - Seattle | Tue, Apr 28 | Normal Airline
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      • Cheapest nonstop
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Fri, May 29 | Singapore Airlines
        TRY 13,657 TRY 26,776
        49% off
        49% off
        TRY 26,776 TRY 13,657
      • SEA 23:10
        18h 55m
        1 stop
        SIN 09:05
        Seattle - Singapore | Wed, Apr 29 | Philippine Airlines
        TRY 19,302 TRY 26,776
        28% off
        28% off
        TRY 26,776 TRY 19,302
      • SEA 23:10
        18h 55m
        1 stop
        SIN 09:05
        Seattle - Singapore | Sun, Apr 26 | Philippine Airlines
        TRY 19,302 TRY 26,776
        28% off
        28% off
        TRY 26,776 TRY 19,302
      • SEA 23:10
        28h 45m
        1 stop
        SIN 18:55
        Seattle - Singapore | Thu, Apr 30 | Philippine Airlines
        TRY 19,348
        28% off
        TRY 26,776 TRY 19,348
      • SEA 23:10
        33h 25m
        1 stop
        SIN 23:35
        Seattle - Singapore | Tue, Apr 28 | Philippine Airlines
        TRY 19,348
        28% off
        TRY 26,776 TRY 19,348
      • SEA 00:55
        29h 35m
        1 stop
        SIN 21:30
        Seattle - Singapore | Mon, Apr 27 | Asiana Airlines
        TRY 19,546
        27% off
        TRY 26,776 TRY 19,546
      • SEA 00:55
        29h 35m
        1 stop
        SIN 21:30
        Seattle - Singapore | Tue, Apr 28 | Asiana Airlines
        TRY 19,546
        27% off
        TRY 26,776 TRY 19,546
      • SEA 00:10
        30h 20m
        1 stop
        SIN 21:30
        Seattle - Singapore | Sat, May 2 | Asiana Airlines
        TRY 19,546
        27% off
        TRY 26,776 TRY 19,546
      • SEA 00:10
        30h 20m
        1 stop
        SIN 21:30
        Seattle - Singapore | Mon, May 4 | Asiana Airlines
        TRY 19,546
        27% off
        TRY 26,776 TRY 19,546
      • SEA 00:10
        30h 20m
        1 stop
        SIN 21:30
        Seattle - Singapore | Wed, May 6 | Asiana Airlines
        TRY 19,546
        27% off
        TRY 26,776 TRY 19,546
      • SEA 13:00
        17h 25m
        1 stop
        SIN Invalid Date
        Seattle - Singapore | Sun, Apr 26 | 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 Seattle-Tacoma International Airport to Singapore Changi Airport

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

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

Based on Trip.com data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to Singapore Changi Airport are usually in March, with an average price of TRY 20,562. June sees the highest fares, around TRY 51,850.

TRY 51,850
TRY 36,206
TRY 20,562
TRY 4,918
    Cheapest
  • TRY 27,870
    Apr
  • TRY 39,557
    May
  • TRY 51,850
    Jun
  • TRY 34,480
    Jul
  • TRY 23,392
    Aug
  • TRY 21,725
    Sep
  • TRY 22,711
    Oct
  • TRY 22,494
    Nov
  • TRY 37,318
    Dec
  • TRY 21,699
    Jan
  • TRY 24,186
    Feb
  • TRY 20,562
    Mar

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

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

TRY 30,249
TRY 26,427
TRY 22,604
TRY 18,782
    Cheapest
  • TRY 29,394
    Mon
  • TRY 23,213
    Tue
  • TRY 30,249
    Wed
  • TRY 27,459
    Thu
  • TRY 26,477
    Fri
  • TRY 29,248
    Sat
  • TRY 22,604
    Sun

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

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

Singapore Airlines
From TRY 13,657
Philippine Airlines
From TRY 19,302
Asiana Airlines
From TRY 19,546
Alaska Airlines
From TRY 20,560
Korean Air
From TRY 21,997
United Airlines
From TRY 22,227
Delta Air Lines
From TRY 22,405
Air Canada
From TRY 22,451
All Nippon Airways
From TRY 23,281
Qatar Airways
From TRY 23,459

Find more flights and airlines

Flight Schedule from Seattle-Tacoma International Airport to Singapore Changi Airport

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. SQ027

    Seattle-Tacoma International Airport

    09:45

    SEA

    16h 50m

    17:35

    SIN

    - M - W T F S
    Search

  2. PR125

    Seattle-Tacoma International Airport

    23:10

    SEA

    13h 50m

    Direct

    04:00

    MNL

    - M T W T - S
    Search

  3. PR511

    Ninoy Aquino International Airport

    05:15

    MNL

    3h 50m

    Direct

    09:05

    SIN

    S M T W T F S

  4. UA499

    Seattle-Tacoma International Airport

    06:57

    SEA

    2h 13m

    Direct

    09:10

    SFO

    S M T W T - S
    Search

  5. UA029

    San Francisco International Airport

    10:25

    SFO

    17h 10m

    Direct

    18:35

    SIN

    S M T W T F S

  6. UA1396

    Seattle-Tacoma International Airport

    07:11

    SEA

    2h 19m

    Direct

    09:30

    SFO

    - - - - - F -
    Search

  7. UA029

    San Francisco International Airport

    10:25

    SFO

    17h 10m

    Direct

    18:35

    SIN

    S M T W T F S

  8. AC8807

    Seattle-Tacoma International Airport

    15:40

    SEA

    1h 7m

    Direct

    16:47

    YVR

    S M T W T F S
    Search

  9. AC019

    Vancouver International Airport

    23:15

    YVR

    16h 45m

    Direct

    07:00

    SIN

    - M - W T - S

  10. UA5676

    Seattle-Tacoma International Airport

    05:00

    SEA

    2h 9m

    Direct

    07:09

    SFO

    - M - - - - -
    Search

  11. UA029

    San Francisco International Airport

    10:25

    SFO

    17h 10m

    Direct

    18:35

    SIN

    S M T W T F S

  12. UA7929

    Seattle-Tacoma International Airport

    16:30

    SEA

    10h 30m

    Direct

    19:00

    HND

    S M T W T F S
    Search

  13. UA7991

    Haneda Airport

    00:30

    HND

    7h 10m

    Direct

    06:40

    SIN

    S M T W T F S

  14. KE042

    Seattle-Tacoma International Airport

    12:50

    SEA

    11h 50m

    Direct

    16:40

    ICN

    S M T W T F S
    Search

  15. KE647

    Incheon International Airport

    23:35

    ICN

    6h 25m

    Direct

    05:00

    SIN

    S M T W T F S

  16. KE3083

    Seattle-Tacoma International Airport

    07:00

    SEA

    2h 22m

    Direct

    09:22

    SFO

    S M T W T F S
    Search

  17. KE024

    San Francisco International Airport

    12:40

    SFO

    12h 40m

    Direct

    17:20

    ICN

    S M T W T F S

  18. KE645

    Incheon International Airport

    18:40

    ICN

    6h 15m

    Direct

    23:55

    SIN

    S M T W T F S

  19. PR125

    Seattle-Tacoma International Airport

    23:10

    SEA

    13h 50m

    Direct

    04:00

    MNL

    - M T W T - S
    Search

  20. PR501

    Ninoy Aquino International Airport

    14:55

    MNL

    4h

    Direct

    18:55

    SIN

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

Flight distance12,993.6km
Cheapest one-way ticket priceTRY 13,657
Cheapest return ticket priceTRY 40,844

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

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

    It takes around 16 hours 33 minutes to fly from Seattle-Tacoma International Airport (sea) to Singapore Changi Airport (sin).
  • There are around 1 daily flights from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN).
  • Tickets cost around TRY 46,904 in April, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) is a popular route, so don't forget to book your tickets in advance.
  • The route from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) is quite popular. Without considering departure times or holidays, tickets cost around TRY 46,904 in April, the most expensive month to book this route.
  • The earliest flight departs from Seattle-Tacoma International Airport (SEA) at 08:45 and arrives in Singapore Changi Airport (SIN) at 17:45.
    • The distance from Singapore Changi Airport to downtown is about 17km, by taxi about 30 minutes.
    • The distance from Seletar Airport to downtown is about 15km, by taxi about 30 minutes.
  • Singapore Airlines is a very popular airline operating an average of 582 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.