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Seattle-Tacoma International Airport to Singapore Changi Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Singapore Changi Airport over the next 90 days, with one-way fares from RUB 27,142 and round-trip from RUB 57,887. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Wed, Nov 4 | Singapore Airlines
        SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
        RUB 57,887 RUB 83,518
        31% off
        31% off
        RUB 83,518 RUB 57,887
      • SEA 10:15
        16h 20m
        Direct
        SIN 17:35
        Seattle - Singapore | Wed, Oct 21 | Singapore Airlines
        SIN 09:00
        14h 45m
        Direct
        SEA 08:45
        Singapore - Seattle | Sun, Oct 25 | Singapore Airlines
        RUB 58,702 RUB 83,518
        30% off
        30% off
        RUB 83,518 RUB 58,702
      • SEA 09:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Wed, Oct 28 | Singapore Airlines
        SIN 08:55
        14h 10m
        Direct
        SEA 08:05
        Singapore - Seattle | Fri, Oct 30 | Singapore Airlines
        RUB 58,702 RUB 83,518
        30% off
        30% off
        RUB 83,518 RUB 58,702
      • SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Thu, Nov 5 | Singapore Airlines
        SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
        RUB 58,702
        30% off
        RUB 83,518 RUB 58,702
      • SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Wed, Nov 11 | Singapore Airlines
        SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Wed, Nov 18 | Singapore Airlines
        RUB 58,702
        30% off
        RUB 83,518 RUB 58,702
      • SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Sat, Nov 28 | Singapore Airlines
        SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Thu, Dec 3 | Singapore Airlines
        RUB 58,702
        30% off
        RUB 83,518 RUB 58,702
      • SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Sun, Nov 29 | Singapore Airlines
        SIN 08:55
        14h 10m
        Direct
        SEA 07:05
        Singapore - Seattle | Thu, Dec 3 | Singapore Airlines
        RUB 58,702
        30% off
        RUB 83,518 RUB 58,702
      • SEA 10:10
        28h 50m
        1 stop
        SIN 07:00
        Seattle - Singapore | Fri, Nov 27 | Air Canada
        SIN 08:40
        16h 52m
        1 stop
        SEA 09:32
        Singapore - Seattle | Fri, Dec 4 | Air Canada
        RUB 59,924
        28% off
        RUB 83,518 RUB 59,924
      • SEA 19:05
        19h 55m
        1 stop
        SIN 07:00
        Seattle - Singapore | Wed, Nov 18 | Air Canada
        SIN 08:40
        16h 52m
        1 stop
        SEA 09:32
        Singapore - Seattle | Wed, Nov 25 | Air Canada
        RUB 60,879
        27% off
        RUB 83,518 RUB 60,879
      • SEA 15:15
        24h 45m
        1 stop
        SIN 07:00
        Seattle - Singapore | Fri, Oct 30 | Air Canada
        SIN 08:40
        16h 52m
        1 stop
        SEA 09:32
        Singapore - Seattle | Wed, Nov 4 | Air Canada
        RUB 60,968
        27% off
        RUB 83,518 RUB 60,968
      • SEA 15:15
        24h 45m
        1 stop
        SIN 07:00
        Seattle - Singapore | Thu, Oct 29 | Air Canada
        SIN 08:40
        16h 52m
        1 stop
        SEA 09:32
        Singapore - Seattle | Wed, Nov 4 | Air Canada
        RUB 60,968
        27% off
        RUB 83,518 RUB 60,968
      • SEA 19:05
        19h 55m
        1 stop
        SIN 07:00
        Seattle - Singapore | Thu, Nov 5 | Air Canada
        SIN 08:40
        16h 52m
        1 stop
        SEA 09:32
        Singapore - Seattle | Wed, Nov 11 | Air Canada
        RUB 60,968
        27% off
        RUB 83,518 RUB 60,968
      • SEA 13:00
        17h 25m
        1 stop
        SIN 14:00
        Seattle - Singapore | Tue, Oct 13 | Normal Airline
        SIN 15:00
        6h
        Direct
        SEA 16:00
        Singapore - Seattle | Thu, Oct 15 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Sun, Nov 29 | Singapore Airlines
        RUB 27,142 RUB 42,868
        37% off
        37% off
        RUB 42,868 RUB 27,142
      • SEA 08:40
        17h 5m
        Direct
        SIN 17:45
        Seattle - Singapore | Sat, Nov 28 | Singapore Airlines
        RUB 27,219 RUB 42,868
        37% off
        37% off
        RUB 42,868 RUB 27,219
      • SEA 10:10
        28h 50m
        1 stop
        SIN 07:00
        Seattle - Singapore | Wed, Nov 25 | Air Canada
        RUB 29,396 RUB 42,868
        31% off
        31% off
        RUB 42,868 RUB 29,396
      • SEA 20:29
        31h 6m
        1 stop
        SIN 18:35
        Seattle - Singapore | Mon, Oct 19 | United Airlines
        RUB 29,447
        31% off
        RUB 42,868 RUB 29,447
      • SEA 00:10
        36h 50m
        1 stop
        SIN 05:00
        Seattle - Singapore | Tue, Nov 24 | Korean Air
        RUB 29,650
        31% off
        RUB 42,868 RUB 29,650
      • SEA 20:29
        31h 6m
        1 stop
        SIN 18:35
        Seattle - Singapore | Tue, Oct 13 | United Airlines
        RUB 30,109
        30% off
        RUB 42,868 RUB 30,109
      • SEA 12:50
        25h 10m
        1 stop
        SIN 05:00
        Seattle - Singapore | Wed, Oct 21 | Korean Air
        RUB 30,783
        28% off
        RUB 42,868 RUB 30,783
      • SEA 00:10
        36h 50m
        1 stop
        SIN 05:00
        Seattle - Singapore | Thu, Nov 5 | Korean Air
        RUB 30,783
        28% off
        RUB 42,868 RUB 30,783
      • SEA 00:10
        36h 50m
        1 stop
        SIN 05:00
        Seattle - Singapore | Tue, Nov 17 | Korean Air
        RUB 30,796
        28% off
        RUB 42,868 RUB 30,796
      • SEA 12:30
        24h 30m
        1 stop
        SIN 05:00
        Seattle - Singapore | Tue, Nov 24 | Delta Air Lines
        RUB 31,038
        28% off
        RUB 42,868 RUB 31,038
      • SEA 00:10
        29h 15m
        1 stop
        SIN 20:25
        Seattle - Singapore | Thu, Oct 29 | Korean Air
        RUB 31,140
        27% off
        RUB 42,868 RUB 31,140
      • SEA 07:11
        20h 24m
        1 stop
        SIN 18:35
        Seattle - Singapore | Wed, Oct 21 | United Airlines
        RUB 31,293
        27% off
        RUB 42,868 RUB 31,293
      • SEA 13:00
        17h 25m
        1 stop
        SIN 14:00
        Seattle - Singapore | Tue, Oct 13 | Normal Airline
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Flight prices from Seattle-Tacoma International Airport to Singapore Changi Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

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 April, with an average price of RUB 28,431. December sees the highest fares, around RUB 72,117.

RUB 72,117
RUB 50,274
RUB 28,431
RUB 6,588
    Cheapest
  • RUB 43,889
    Oct
  • RUB 43,469
    Nov
  • RUB 72,117
    Dec
  • RUB 41,933
    Jan
  • RUB 46,740
    Feb
  • RUB 39,736
    Mar
  • RUB 28,431
    Apr
  • RUB 42,970
    May
  • RUB 56,798
    Jun
  • RUB 59,042
    Jul
  • RUB 47,120
    Aug
  • RUB 41,834
    Sep

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 Tuesday, with average prices lower than other days. Try to avoid departing on Wednesday, as fares are typically the highest.

RUB 55,973
RUB 48,781
RUB 41,588
RUB 34,396
  • RUB 54,904
    Mon
  • RUB 41,588
    Tue
  • RUB 55,973
    Wed
  • RUB 45,729
    Thu
  • RUB 48,551
    Fri
  • RUB 47,177
    Sat
  • RUB 41,637
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to Singapore Changi Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to Singapore Changi Airport is Singapore Airlines (from RUB 27,142) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Singapore Airlines
From RUB 27,142
Air Canada
From RUB 29,396
United Airlines
From RUB 29,447
Korean Air
From RUB 29,650
Delta Air Lines
From RUB 31,038
All Nippon Airways
From RUB 32,057
Asiana Airlines
From RUB 33,508
Philippine Airlines
From RUB 34,475
American Airlines
From RUB 35,074
Japan Airlines
From RUB 37,378

Find more flights and airlines

What is the 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

    09:55

    SEA

    16h 45m

    17:40

    SIN

    - M - W T F S
    Search

  2. UA499

    Seattle-Tacoma International Airport

    07:11

    SEA

    2h 19m

    Direct

    09:30

    SFO

    S M T W T F S
    Search

  3. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  4. KE042

    Seattle-Tacoma International Airport

    12:50

    SEA

    11h 50m

    Direct

    16:40

    ICN

    S M T W T F S
    Search

  5. KE645

    Incheon International Airport

    18:40

    ICN

    6h 10m

    Direct

    23:50

    SIN

    S M T W T F S

  6. UA7929

    Seattle-Tacoma International Airport

    16:30

    SEA

    10h 30m

    Direct

    19:00

    HND

    S M T W T F S
    Search

  7. UA7991

    Haneda Airport

    00:40

    HND

    7h

    Direct

    06:40

    SIN

    S M T W T F S

  8. DL197

    Seattle-Tacoma International Airport

    13:05

    SEA

    10h 45m

    Direct

    16:50

    ICN

    S M T W T F S
    Search

  9. DL7823

    Incheon International Airport

    23:30

    ICN

    6h 30m

    Direct

    05:00

    SIN

    S M T W T F S

  10. KE042

    Seattle-Tacoma International Airport

    12:50

    SEA

    11h 50m

    Direct

    16:40

    ICN

    S M T W T F S
    Search

  11. KE647

    Incheon International Airport

    23:30

    ICN

    6h 30m

    Direct

    05:00

    SIN

    S M T W T F S

  12. KE048

    Seattle-Tacoma International Airport

    00:55

    SEA

    12h 20m

    Direct

    05:15

    ICN

    - M T - T F -
    Search

  13. KE643

    Incheon International Airport

    14:20

    ICN

    6h 10m

    Direct

    19:30

    SIN

    S M T W T F S

  14. AC8801

    Seattle-Tacoma International Airport

    05:40

    SEA

    1h 7m

    Direct

    06:47

    YVR

    S M T W T F S
    Search

  15. AC019

    Vancouver International Airport

    23:15

    YVR

    16h 45m

    Direct

    07:00

    SIN

    - M - W T - S

  16. UA5415

    Seattle-Tacoma International Airport

    20:29

    SEA

    2h 30m

    Direct

    22:59

    SFO

    S - T W T - S
    Search

  17. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  18. KE048

    Seattle-Tacoma International Airport

    00:55

    SEA

    12h 20m

    Direct

    05:15

    ICN

    - M T - T F -
    Search

  19. KE645

    Incheon International Airport

    18:40

    ICN

    6h 10m

    Direct

    23:50

    SIN

    S M T W T F S
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About Seattle-Tacoma International Airport and Singapore Changi Airport

Learn about Seattle-Tacoma International Airport (SEA) and Singapore Changi Airport (SIN) — including location, terminals, transportation, and travel tips.

Flight distance 12,993.6km
Cheapest one-way ticket price RUB 27,142
Cheapest return ticket price RUB 57,887

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

  • How many daily flights are there 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).
  • The earliest flight from Seattle-Tacoma International Airport to Singapore Changi Airport departs at 09:55, and the last departs at 10:15, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • 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 RUB 144,978 in December, 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.
  • One-way flights from Seattle-Tacoma International Airport to Singapore Changi Airport currently start from RUB 27,142, and round-trip fares start from RUB 57,887. The current lowest fare is a Singapore Airlines flight departing on Sun, Nov 29; prices may vary depending on availability.
  • Yes. Singapore Airlines operate direct flights from Seattle-Tacoma International Airport to Singapore Changi Airport, with an average flight time of 15 hours 55 minutes, and around 5 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Singapore Changi Airport is RUB 57,168. Prices may vary depending on the departure date, airline, and availability.
  • Seattle-Tacoma International Airport to Singapore Changi Airport operates around 5 weekly flights, mainly by Singapore Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and Singapore Changi 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.

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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.