Trip.com
>
Flights
>
United States
>
Washington
>
Flights to Seattle
>
Singapore to Seattle flight
>
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$ 2,287
        41% off
        41% off
        S$ 2,287 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$ 2,287
        10% off
        10% off
        S$ 2,287 S$ 2,058
      • 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$ 976 S$ 2,287
        56% off
        56% off
        S$ 2,287 S$ 976
      • 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
        56% off
        S$ 2,287 S$ 1,013
      • 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$ 1,035
        55% off
        S$ 2,287 S$ 1,035
      • 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$ 1,049
        54% off
        S$ 2,287 S$ 1,049
      • 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$ 1,051
        54% off
        S$ 2,287 S$ 1,051
      • 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$ 1,053
        54% off
        S$ 2,287 S$ 1,053
      • SIN 07:30
        20h 41m
        1 stop
        SEA 13:11
        Singapore - Seattle | Thu, May 7 | Delta Air Lines
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 1,103
        52% off
        S$ 2,287 S$ 1,103
      • SIN 15:20
        18h 30m
        1 stop
        SEA 18:50
        Singapore - Seattle | Tue, Apr 28 | Eva Air
        SEA 01:30
        19h 25m
        1 stop
        SIN 11:55
        Seattle - Singapore | Thu, Apr 30 | Eva Air
        S$ 1,114
        51% off
        S$ 2,287 S$ 1,114
      • SIN 02:00
        32h 15m
        1 stop
        SEA 19:15
        Singapore - Seattle | Sun, Jun 21 | China Airlines
        SEA 01:15
        32h 20m
        1 stop
        SIN 00:35
        Seattle - Singapore | Fri, Jun 26 | China Airlines
        S$ 1,114
        51% off
        S$ 2,287 S$ 1,114
      • SIN 07:30
        18h 10m
        1 stop
        SEA 10:40
        Singapore - Seattle | Thu, May 7 | Korean Air
        SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Sat, May 9 | Singapore Airlines
        S$ 1,117
        51% off
        S$ 2,287 S$ 1,117
      • SIN 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Singapore - Seattle | Tue, Apr 28 | Normal Airline
        SEA 15:00
        6h
        Direct
        SIN 16:00
        Seattle - Singapore | Thu, Apr 30 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Mon, Jun 22 | Singapore Airlines
        S$ 1,611 S$ 2,008
        20% off
        20% off
        S$ 2,008 S$ 1,611
      • SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sun, Jun 14 | Singapore Airlines
        S$ 1,807 S$ 2,008
        10% off
        10% off
        S$ 2,008 S$ 1,807
      • SIN 08:45
        20h 45m
        1 stop
        SEA 14:30
        Singapore - Seattle | Thu, Jun 4 | United Airlines
        S$ 636 S$ 2,008
        68% off
        68% off
        S$ 2,008 S$ 636
      • SIN 20:35
        34h 45m
        1 stop
        SEA 16:20
        Singapore - Seattle | Tue, Jun 2 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 20:35
        30h 59m
        1 stop
        SEA 12:34
        Singapore - Seattle | Wed, Jun 3 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 08:45
        31h 44m
        1 stop
        SEA 01:29
        Singapore - Seattle | Tue, Jun 9 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 20:35
        19h 38m
        1 stop
        SEA 01:13
        Singapore - Seattle | Wed, Jun 10 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 20:35
        33h 1m
        1 stop
        SEA 14:36
        Singapore - Seattle | Tue, May 12 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 20:35
        36h 57m
        1 stop
        SEA 18:32
        Singapore - Seattle | Wed, May 13 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 09:00
        20h 36m
        1 stop
        SEA 14:36
        Singapore - Seattle | Thu, May 14 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 09:00
        27h 6m
        1 stop
        SEA 21:06
        Singapore - Seattle | Wed, May 20 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 20:35
        30h 50m
        1 stop
        SEA 12:25
        Singapore - Seattle | Tue, May 19 | United Airlines
        S$ 636
        68% off
        S$ 2,008 S$ 636
      • SIN 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Singapore - Seattle | Tue, Apr 28 | Normal Airline
        Find more flights
        Find more flights

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$ 874
    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$ 636
Korean Air
From S$ 642
Delta Air Lines
From S$ 644
TransNusa Airlines
From S$ 701
STARLUX Airlines
From S$ 708
Eva Air
From S$ 712
All Nippon Airways
From S$ 715
Qatar Airways
From S$ 730
Asiana Airlines
From S$ 731
Scoot
From S$ 767

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

    10h 15m

    Direct

    13:00

    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

    10h 15m

    Direct

    13:00

    SEA

    S M T W T F S

  7. SQ874

    Singapore Changi Airport

    07:25

    SIN

    3h 55m

    Direct

    11:20

    HKG

    S M T W T F S
    Search

  8. PR319

    Hong Kong International Airport

    13:40

    HKG

    2h 25m

    Direct

    16:05

    MNL

    S M T W T F S

  9. PR124

    Ninoy Aquino International Airport

    22:35

    MNL

    12h 30m

    Direct

    20:05

    SEA

    - M T W T - S

  10. KE644

    Singapore Changi Airport

    22:00

    SIN

    6h 35m

    Direct

    05:35

    ICN

    S M T W T F S
    Search

  11. KE041

    Incheon International Airport

    16:40

    ICN

    10h

    Direct

    10:40

    SEA

    S M T W T F S

  12. DL7820

    Singapore Changi Airport

    22:00

    SIN

    6h 35m

    Direct

    05:35

    ICN

    S M T W T F S
    Search

  13. DL196

    Incheon International Airport

    18:45

    ICN

    10h 15m

    Direct

    13:00

    SEA

    S M T W T F S

  14. UA028

    Singapore Changi Airport

    20:35

    SIN

    15h 10m

    Direct

    20:45

    SFO

    S M T W T F S
    Search

  15. UA2744

    San Francisco International Airport

    12:19

    SFO

    1h 59m

    Direct

    14:18

    SEA

    - - - W T F S

  16. UA028

    Singapore Changi Airport

    20:35

    SIN

    15h 10m

    Direct

    20:45

    SFO

    S M T W T F S
    Search

  17. UA2279

    San Francisco International Airport

    16:11

    SFO

    1h 56m

    Direct

    18:07

    SEA

    S M T W T F S

  18. UA028

    Singapore Changi Airport

    20:35

    SIN

    15h 10m

    Direct

    20:45

    SFO

    S M T W T F S
    Search

  19. UA1763

    San Francisco International Airport

    18:25

    SFO

    2h 32m

    Direct

    20:57

    SEA

    S M T W T F S

  20. UA002

    Singapore Changi Airport

    09:00

    SIN

    15h 10m

    Direct

    09:10

    SFO

    S M T W T F S
    Search

  21. UA2340

    San Francisco International Airport

    08:14

    SFO

    2h 7m

    Direct

    10:21

    SEA

    - - - W T F S
Find more flights and airlines

Singapore Changi Airport to Seattle-Tacoma International Airport Flights Info

Flight distance12,993.6km
Cheapest one-way ticket priceS$ 636
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 45 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$ 2,640 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$ 2,640 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.