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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 | Fri, May 8 | Singapore Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sun, May 10 | Singapore Airlines
        S$ 1,360 S$ 2,422
        44% off
        44% off
        S$ 2,422 S$ 1,360
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Wed, Apr 29 | Singapore Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Fri, May 1 | Singapore Airlines
        S$ 2,058 S$ 2,422
        15% off
        15% off
        S$ 2,422 S$ 2,058
      • SIN 13:45
        20h 30m
        1 stop
        SEA 19:15
        Singapore - Seattle | Fri, May 8 | China Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sun, May 10 | Singapore Airlines
        S$ 976 S$ 2,422
        60% off
        60% off
        S$ 2,422 S$ 976
      • SIN 08:45
        20h 45m
        1 stop
        SEA 14:30
        Singapore - Seattle | Sat, May 23 | United Airlines
        SEA 10:29
        41h 6m
        1 stop
        SIN 18:35
        Seattle - Singapore | Mon, May 25 | United Airlines
        S$ 994
        59% off
        S$ 2,422 S$ 994
      • 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$ 1,014
        57% off
        S$ 2,422 S$ 1,014
      • SIN 14:00
        17h 10m
        1 stop
        SEA 16:10
        Singapore - Seattle | Sat, May 9 | STARLUX Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Mon, May 11 | Singapore Airlines
        S$ 1,032
        56% off
        S$ 2,422 S$ 1,032
      • SIN 09:00
        20h 36m
        1 stop
        SEA 14:36
        Singapore - Seattle | Fri, May 8 | United Airlines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sun, May 10 | Singapore Airlines
        S$ 1,035
        56% off
        S$ 2,422 S$ 1,035
      • SIN 20:35
        19h 37m
        1 stop
        SEA 01:12
        Singapore - Seattle | Wed, May 6 | United Airlines
        SEA 05:00
        22h 35m
        1 stop
        SIN 18:35
        Seattle - Singapore | Fri, May 8 | United Airlines
        S$ 1,044
        56% off
        S$ 2,422 S$ 1,044
      • SIN 09:00
        20h 46m
        1 stop
        SEA 14:46
        Singapore - Seattle | Wed, Apr 29 | United Airlines
        SEA 07:08
        20h 27m
        1 stop
        SIN 18:35
        Seattle - Singapore | Fri, May 1 | United Airlines
        S$ 1,049
        56% off
        S$ 2,422 S$ 1,049
      • SIN 15:20
        19h 10m
        1 stop
        SEA 19:30
        Singapore - Seattle | Fri, May 8 | Eva Air
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sun, May 10 | Singapore Airlines
        S$ 1,051
        56% off
        S$ 2,422 S$ 1,051
      • SIN 22:45
        33h 14m
        1 stop
        SEA 16:59
        Singapore - Seattle | Fri, May 8 | Lufthansa
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sun, May 10 | Singapore Airlines
        S$ 1,053
        56% off
        S$ 2,422 S$ 1,053
      • SIN 02:00
        32h 15m
        1 stop
        SEA 19:15
        Singapore - Seattle | Sun, Apr 26 | China Airlines
        SEA 01:15
        20h 20m
        1 stop
        SIN 12:35
        Seattle - Singapore | Tue, Apr 28 | China Airlines
        S$ 1,058
        56% off
        S$ 2,422 S$ 1,058
      • SIN 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Singapore - Seattle | Sat, Apr 25 | Normal Airline
        SEA 15:00
        6h
        Direct
        SIN 16:00
        Seattle - Singapore | Mon, Apr 27 | 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$ 1,576 S$ 1,926
        18% off
        18% off
        S$ 1,926 S$ 1,576
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sat, Jun 20 | Singapore Airlines
        S$ 1,637 S$ 1,926
        15% off
        15% off
        S$ 1,926 S$ 1,637
      • SIN 20:35
        39h 18m
        1 stop
        SEA 20:53
        Singapore - Seattle | Tue, Jun 2 | United Airlines
        S$ 637 S$ 1,926
        67% off
        67% off
        S$ 1,926 S$ 637
      • SIN 20:35
        19h 38m
        1 stop
        SEA 01:13
        Singapore - Seattle | Wed, Jun 3 | United Airlines
        S$ 637
        67% off
        S$ 1,926 S$ 637
      • SIN 20:35
        19h 37m
        1 stop
        SEA 01:12
        Singapore - Seattle | Tue, May 12 | United Airlines
        S$ 637
        67% off
        S$ 1,926 S$ 637
      • SIN 09:00
        40h 43m
        1 stop
        SEA 10:43
        Singapore - Seattle | Wed, May 13 | United Airlines
        S$ 637
        67% off
        S$ 1,926 S$ 637
      • SIN 09:00
        31h 12m
        1 stop
        SEA 01:12
        Singapore - Seattle | Thu, May 14 | United Airlines
        S$ 637
        67% off
        S$ 1,926 S$ 637
      • SIN 20:35
        30h 50m
        1 stop
        SEA 12:25
        Singapore - Seattle | Wed, May 20 | United Airlines
        S$ 637
        67% off
        S$ 1,926 S$ 637
      • SIN 20:35
        37h 12m
        1 stop
        SEA 18:47
        Singapore - Seattle | Thu, May 21 | United Airlines
        S$ 637
        67% off
        S$ 1,926 S$ 637
      • SIN 22:00
        27h 40m
        1 stop
        SEA 10:40
        Singapore - Seattle | Tue, May 19 | Korean Air
        S$ 638
        67% off
        S$ 1,926 S$ 638
      • SIN 07:30
        18h 10m
        1 stop
        SEA 10:40
        Singapore - Seattle | Fri, May 22 | Korean Air
        S$ 638
        67% off
        S$ 1,926 S$ 638
      • SIN 01:25
        24h 15m
        1 stop
        SEA 10:40
        Singapore - Seattle | Wed, May 20 | Korean Air
        S$ 644
        67% off
        S$ 1,926 S$ 644
      • SIN 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Singapore - Seattle | Sat, Apr 25 | 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$ 1,102.

S$ 1,102
S$ 895
S$ 688
S$ 481
    Cheapest
  • S$ 1,014
    Apr
  • S$ 813
    May
  • S$ 897
    Jun
  • S$ 828
    Jul
  • S$ 1,102
    Aug
  • S$ 716
    Sep
  • S$ 688
    Oct
  • S$ 750
    Nov
  • S$ 802
    Dec
  • S$ 859
    Jan
  • S$ 786
    Feb
  • S$ 977
    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$ 1,016
S$ 894
S$ 771
S$ 649
    Cheapest
  • S$ 847
    Mon
  • S$ 806
    Tue
  • S$ 771
    Wed
  • S$ 907
    Thu
  • S$ 813
    Fri
  • S$ 875
    Sat
  • S$ 1,016
    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$ 637
Korean Air
From S$ 638
Delta Air Lines
From S$ 649
All Nippon Airways
From S$ 716
Asiana Airlines
From S$ 723
Qatar Airways
From S$ 730
Sichuan Airlines
From S$ 742
Scoot
From S$ 755
STARLUX Airlines
From S$ 758
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. KE646

    Singapore Changi Airport

    01:25

    SIN

    6h 25m

    Direct

    08:50

    ICN

    S M T W T F S
    Search

  4. KE041

    Incheon International Airport

    16:40

    ICN

    10h

    Direct

    10:40

    SEA

    S M T W T F S

  5. DL7822

    Singapore Changi Airport

    01:25

    SIN

    6h 25m

    Direct

    08:50

    ICN

    S M T W T F S
    Search

  6. DL196

    Incheon International Airport

    18:45

    ICN

    9h 15m

    Direct

    12:00

    SEA

    S M T W T F S

  7. KE644

    Singapore Changi Airport

    22:00

    SIN

    6h 35m

    Direct

    05:35

    ICN

    S M T W T F S
    Search

  8. KE041

    Incheon International Airport

    16:40

    ICN

    10h

    Direct

    10:40

    SEA

    S M T W T F S

  9. DL7820

    Singapore Changi Airport

    22:00

    SIN

    6h 35m

    Direct

    05:35

    ICN

    S M T W T F S
    Search

  10. DL196

    Incheon International Airport

    18:45

    ICN

    9h 15m

    Direct

    12:00

    SEA

    S M T W T F S

  11. TR872

    Singapore Changi Airport

    12:25

    SIN

    4h 45m

    Direct

    17:10

    TPE

    S M T W T F S
    Search

  12. DL068

    Taiwan Taoyuan International Airport

    10:55

    TPE

    10h 5m

    Direct

    06:00

    SEA

    S M T W T F S

  13. UA028

    Singapore Changi Airport

    20:35

    SIN

    15h 10m

    Direct

    20:45

    SFO

    S M T W T F S
    Search

  14. UA1763

    San Francisco International Airport

    18:25

    SFO

    2h 32m

    Direct

    20:57

    SEA

    S M T W T F S

  15. UA028

    Singapore Changi Airport

    20:35

    SIN

    15h 10m

    Direct

    20:45

    SFO

    S M T W T F S
    Search

  16. UA1007

    San Francisco International Airport

    20:58

    SFO

    2h 29m

    Direct

    23:27

    SEA

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

Flight distance12,993.6km
Cheapest one-way ticket priceS$ 637
Cheapest return ticket priceS$ 976

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 38 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$ 2,755 in May, 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$ 2,755 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.