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Singapore Changi Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Singapore Changi Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from £342 and round-trip from £572. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SIN 08:55
      14h 10m
      SEA 07:05
      Singapore - Seattle | Wed, Dec 9 | Singapore Airlines
      SEA 08:40
      17h 5m
      SIN 17:45
      Seattle - Singapore | Sun, Dec 13 | Singapore Airlines
      £578 £724
      20% off
      20% off
      £724 £578
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Sat, Nov 21 | Air Canada
      SEA 10:10
      28h 50m
      SIN 07:00
      Seattle - Singapore | Fri, Nov 27 | Air Canada
      £572 £724
      21% off
      21% off
      £724 £572
    • SIN 08:40
      20h 57m
      SEA 14:37
      Singapore - Seattle | Fri, Nov 13 | Air Canada
      SEA 19:05
      19h 55m
      SIN 07:00
      Seattle - Singapore | Wed, Nov 18 | Air Canada
      £573 £724
      21% off
      21% off
      £724 £573
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Sun, Nov 15 | Air Canada
      SEA 08:40
      30h 20m
      SIN 07:00
      Seattle - Singapore | Thu, Nov 19 | Air Canada
      £574
      21% off
      £724 £574
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Tue, Nov 24 | Air Canada
      SEA 10:10
      28h 50m
      SIN 07:00
      Seattle - Singapore | Sun, Nov 29 | Air Canada
      £581
      20% off
      £724 £581
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Sun, Nov 22 | Air Canada
      SEA 19:05
      19h 55m
      SIN 07:00
      Seattle - Singapore | Sun, Nov 29 | Air Canada
      £581
      20% off
      £724 £581
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Thu, Nov 19 | Air Canada
      SEA 19:05
      19h 55m
      SIN 07:00
      Seattle - Singapore | Sun, Nov 22 | Air Canada
      £581
      20% off
      £724 £581
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Tue, Dec 8 | Air Canada
      SEA 19:05
      19h 55m
      SIN 07:00
      Seattle - Singapore | Fri, Dec 11 | Air Canada
      £583
      19% off
      £724 £583
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Sun, Dec 6 | Air Canada
      SEA 08:40
      30h 20m
      SIN 07:00
      Seattle - Singapore | Sun, Dec 13 | Air Canada
      £585
      19% off
      £724 £585
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
      SEA 15:00
      6h
      Direct
      SIN 16:00
      Seattle - Singapore | Tue, Oct 20 | Normal Airline
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    • Cheapest
      SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      £342 £441
      22% off
      22% off
      £441 £342
    • Cheapest
      SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      £342 £441
      22% off
      22% off
      £441 £342
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      £342 £441
      22% off
      22% off
      £441 £342
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      £342
      22% off
      £441 £342
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      £342
      22% off
      £441 £342
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      £342
      22% off
      £441 £342
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      £342
      22% off
      £441 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 6 | Singapore Airlines
      £345
      22% off
      £441 £345
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 20 | Singapore Airlines
      £354
      20% off
      £441 £354
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
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    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      £342 £967
      65% off
      65% off
      £967 £342
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      £342 £967
      65% off
      65% off
      £967 £342
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      £342 £967
      65% off
      65% off
      £967 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      £342
      65% off
      £967 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      £342
      65% off
      £967 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      £342
      65% off
      £967 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      £342
      65% off
      £967 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 6 | Singapore Airlines
      £345
      64% off
      £967 £345
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      £357
      63% off
      £967 £357
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
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    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Dec 16 | Singapore Airlines
      £494 £1,691
      71% off
      71% off
      £1,691 £494
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Dec 4 | Singapore Airlines
      £494 £1,691
      71% off
      71% off
      £1,691 £494
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 28 | Singapore Airlines
      £830 £1,691
      51% off
      51% off
      £1,691 £830
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Dec 12 | Singapore Airlines
      £734
      56% off
      £1,691 £734
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Dec 1 | Singapore Airlines
      £944
      44% off
      £1,691 £944
    • SIN 08:55
      14h 10m
      Direct
      SEA 08:05
      Singapore - Seattle | Sat, Oct 31 | Singapore Airlines
      £808
      52% off
      £1,691 £808
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Dec 19 | Singapore Airlines
      £734
      56% off
      £1,691 £734
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Jan 8 | Singapore Airlines
      £1,369
      19% off
      £1,691 £1,369
    • SIN 08:55
      14h 10m
      Direct
      SEA 08:05
      Singapore - Seattle | Thu, Oct 29 | Singapore Airlines
      £395
      77% off
      £1,691 £395
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
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    • Cheapest nonstop
      SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      £342 £1,633
      79% off
      79% off
      £1,633 £342
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      £342 £1,633
      79% off
      79% off
      £1,633 £342
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Sat, Oct 17 | Singapore Airlines
      £722 £1,633
      56% off
      56% off
      £1,633 £722
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Tue, Oct 20 | Singapore Airlines
      £758
      54% off
      £1,633 £758
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Sun, Oct 18 | Singapore Airlines
      £1,322
      19% off
      £1,633 £1,322
    • SIN 07:00
      18h 5m
      1 stop
      SEA 10:05
      Singapore - Seattle | Thu, Oct 22 | Air Canada
      £363
      78% off
      £1,633 £363
    • SIN 07:00
      18h 5m
      1 stop
      SEA 10:05
      Singapore - Seattle | Tue, Oct 20 | Air Canada
      £371
      77% off
      £1,633 £371
    • SIN 08:45
      20h 32m
      1 stop
      SEA 14:17
      Singapore - Seattle | Fri, Oct 23 | United Airlines
      £373
      77% off
      £1,633 £373
    • SIN 08:45
      20h 32m
      1 stop
      SEA 14:17
      Singapore - Seattle | Sun, Oct 18 | United Airlines
      £373
      77% off
      £1,633 £373
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
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    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      £342 £888
      61% off
      61% off
      £888 £342
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      £342 £888
      61% off
      61% off
      £888 £342
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      £342 £888
      61% off
      61% off
      £888 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      £342
      61% off
      £888 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      £342
      61% off
      £888 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      £342
      61% off
      £888 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      £342
      61% off
      £888 £342
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 6 | Singapore Airlines
      £345
      61% off
      £888 £345
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      £357
      60% off
      £888 £357
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
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Displayed flight fares from Singapore to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

What is the cheapest month to fly from Singapore Changi Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Singapore Changi Airport to Seattle-Tacoma International Airport for each month in the Trip.com database.

Based on Trip.com's 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 £380. It is best to avoid June, when the average price can reach £719.

£719
£550
£380
£211
  • £380
    Oct
  • £452
    Nov
  • £484
    Dec
  • £518
    Jan
  • £474
    Feb
  • £589
    Mar
  • £515
    Apr
  • £531
    May
  • £719
    Jun
  • £487
    Jul
  • £552
    Aug
  • £542
    Sep

What is the cheapest day of the week to fly from Singapore Changi Airport to Seattle-Tacoma International Airport?

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

Based on Trip.com's data from the past 12 months, the cheapest departure day from Singapore Changi Airport to Seattle-Tacoma International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Tuesday as prices are typically highest on that day.

£628
£531
£434
£337
    Cheapest
  • £480
    Mon
  • £628
    Tue
  • £434
    Wed
  • £548
    Thu
  • £564
    Fri
  • £531
    Sat
  • £549
    Sun

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

The cheapest airline flying from Singapore Changi Airport to Seattle-Tacoma International Airport is Singapore Airlines (from £342) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Singapore Airlines
From £342
TransNusa
From £357
Air Canada
From £357
Batik Air
From £361
Citilink
From £367
United Airlines
From £373
Japan Airlines
From £374
Air China
From £374
Garuda Indonesia
From £375
Hainan Airlines
From £376

Find more flights and airlines

What is the 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. SQ028

    Singapore Changi Airport

    09:00

    SIN

    15h 45m

    08:45

    SEA

    - M - W T F S
    Search

  2. AC020

    Singapore Changi Airport

    07:00

    SIN

    14h 25m

    Direct

    06:25

    YVR

    - M - W - F S
    Search

  3. AC8810

    Vancouver International Airport

    21:10

    YVR

    1h 7m

    Direct

    22:17

    SEA

    S M T W T - S

  4. ID7152

    Singapore Changi Airport

    21:30

    SIN

    1h 50m

    Direct

    22:20

    CGK

    S M T W T F S
    Search

  5. NH836

    Soekarno–Hatta International Airport

    06:10

    CGK

    7h 35m

    Direct

    15:45

    NRT

    S M T W T F S

  6. NH118

    Haneda Airport

    21:15

    HND

    10h 10m

    Direct

    14:25

    SEA

    S M T W T F S

  7. 8B154

    Singapore Changi Airport

    15:30

    SIN

    1h 45m

    Direct

    16:15

    CGK

    S M T W T F S
    Search

  8. NH836

    Soekarno–Hatta International Airport

    06:10

    CGK

    7h 35m

    Direct

    15:45

    NRT

    S M T W T F S

  9. NH118

    Haneda Airport

    21:15

    HND

    10h 10m

    Direct

    14:25

    SEA

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

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

Flight distance 12,993.6km
Cheapest one-way ticket price £342
Cheapest return ticket price £572

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

  • How many daily flights are there 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).
  • The earliest flight from Singapore Changi Airport to Seattle-Tacoma International Airport departs at 09:00, and the last departs at 09:00, 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 Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around £1,141 in December, the most expensive month to book this route.
    • 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.
  • One-way flights from Singapore Changi Airport to Seattle-Tacoma International Airport currently start from £342, and round-trip fares start from £572. The current lowest fare is a Singapore Airlines flight departing on Thu, Oct 22; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Singapore Changi Airport to Seattle-Tacoma International Airport is £510. Prices may vary depending on the departure date, airline, and availability.
  • Singapore Changi Airport to Seattle-Tacoma International Airport operates around 5 weekly flights, mainly by Singapore Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Singapore Changi Airport and Seattle-Tacoma International 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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