Trip.com
>
Cheap Flights
>
United States
>
Seattle
>
Singapore to Seattle flight
>
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 €405 and round-trip from €676. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SIN 08:55
      14h 10m
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      SEA 08:40
      17h 5m
      SIN 17:45
      Seattle - Singapore | Sun, Nov 29 | Singapore Airlines
      €699 €867
      19% off
      19% off
      €867 €699
    • SIN 08:55
      14h 10m
      SEA 07:05
      Singapore - Seattle | Wed, Nov 25 | Singapore Airlines
      SEA 08:40
      17h 5m
      SIN 17:45
      Seattle - Singapore | Wed, Dec 2 | Singapore Airlines
      €702 €867
      19% off
      19% off
      €867 €702
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Sat, Nov 7 | Air Canada
      SEA 10:10
      28h 50m
      SIN 07:00
      Seattle - Singapore | Fri, Nov 13 | Air Canada
      €676 €867
      22% off
      22% off
      €867 €676
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Sun, Nov 1 | Air Canada
      SEA 08:40
      30h 20m
      SIN 07:00
      Seattle - Singapore | Thu, Nov 5 | Air Canada
      €679
      22% off
      €867 €679
    • SIN 08:40
      21h 57m
      SEA 14:37
      Singapore - Seattle | Fri, Nov 20 | Air Canada
      SEA 19:05
      19h 55m
      SIN 07:00
      Seattle - Singapore | Fri, Nov 27 | Air Canada
      €683
      21% off
      €867 €683
    • SIN 08:40
      16h 47m
      SEA 09:27
      Singapore - Seattle | Sat, Nov 21 | Air Canada
      SEA 08:40
      30h 20m
      SIN 07:00
      Seattle - Singapore | Wed, Nov 25 | Air Canada
      €685
      21% off
      €867 €685
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Tue, Nov 10 | Air Canada
      SEA 10:10
      28h 50m
      SIN 07:00
      Seattle - Singapore | Sun, Nov 15 | Air Canada
      €687
      21% off
      €867 €687
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Sun, Nov 8 | Air Canada
      SEA 19:05
      19h 55m
      SIN 07:00
      Seattle - Singapore | Sun, Nov 15 | Air Canada
      €687
      21% off
      €867 €687
    • SIN 08:40
      16h 52m
      SEA 09:32
      Singapore - Seattle | Thu, Nov 5 | Air Canada
      SEA 19:05
      19h 55m
      SIN 07:00
      Seattle - Singapore | Sun, Nov 8 | Air Canada
      €687
      21% off
      €867 €687
    • 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
      Find more flights
      Find more flights
    • Cheapest
      SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      €405 €518
      22% off
      22% off
      €518 €405
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 6 | Singapore Airlines
      €405 €518
      22% off
      22% off
      €518 €405
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      €405 €518
      22% off
      22% off
      €518 €405
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      €405
      22% off
      €518 €405
    • Cheapest
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      €405
      22% off
      €518 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      €407
      21% off
      €518 €407
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      €408
      21% off
      €518 €408
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      €408
      21% off
      €518 €408
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 20 | Singapore Airlines
      €419
      19% off
      €518 €419
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      €405 €1,051
      61% off
      61% off
      €1,051 €405
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      €405 €1,051
      61% off
      61% off
      €1,051 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      €405 €1,051
      61% off
      61% off
      €1,051 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      €405
      61% off
      €1,051 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 6 | Singapore Airlines
      €405
      61% off
      €1,051 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      €407
      61% off
      €1,051 €407
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      €408
      61% off
      €1,051 €408
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      €408
      61% off
      €1,051 €408
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      €419
      60% off
      €1,051 €419
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 10 | Singapore Airlines
      €405 €1,144
      65% off
      65% off
      €1,144 €405
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      €405 €1,144
      65% off
      65% off
      €1,144 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 13 | Singapore Airlines
      €405 €1,144
      65% off
      65% off
      €1,144 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Nov 11 | Singapore Airlines
      €405
      65% off
      €1,144 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Nov 6 | Singapore Airlines
      €405
      65% off
      €1,144 €405
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 17 | Singapore Airlines
      €407
      64% off
      €1,144 €407
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      €408
      64% off
      €1,144 €408
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 7 | Singapore Airlines
      €408
      64% off
      €1,144 €408
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Nov 24 | Singapore Airlines
      €419
      63% off
      €1,144 €419
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Wed, Dec 16 | Singapore Airlines
      €584 €2,000
      71% off
      71% off
      €2,000 €584
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Dec 4 | Singapore Airlines
      €584 €2,000
      71% off
      71% off
      €2,000 €584
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Nov 28 | Singapore Airlines
      €982 €2,000
      51% off
      51% off
      €2,000 €982
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Dec 12 | Singapore Airlines
      €868
      56% off
      €2,000 €868
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Tue, Dec 1 | Singapore Airlines
      €1,118
      44% off
      €2,000 €1,118
    • SIN 08:55
      14h 10m
      Direct
      SEA 08:05
      Singapore - Seattle | Sat, Oct 31 | Singapore Airlines
      €956
      52% off
      €2,000 €956
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Sat, Dec 19 | Singapore Airlines
      €868
      56% off
      €2,000 €868
    • SIN 08:55
      14h 10m
      Direct
      SEA 07:05
      Singapore - Seattle | Fri, Jan 8 | Singapore Airlines
      €1,620
      19% off
      €2,000 €1,620
    • SIN 08:55
      14h 10m
      Direct
      SEA 08:05
      Singapore - Seattle | Thu, Oct 29 | Singapore Airlines
      €485
      76% off
      €2,000 €485
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Thu, Oct 22 | Singapore Airlines
      €405 €1,919
      79% off
      79% off
      €1,919 €405
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Fri, Oct 23 | Singapore Airlines
      €408 €1,919
      79% off
      79% off
      €1,919 €408
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Sat, Oct 17 | Singapore Airlines
      €851 €1,919
      56% off
      56% off
      €1,919 €851
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Tue, Oct 20 | Singapore Airlines
      €882
      54% off
      €1,919 €882
    • SIN 09:00
      14h 25m
      Direct
      SEA 08:25
      Singapore - Seattle | Sun, Oct 18 | Singapore Airlines
      €1,554
      19% off
      €1,919 €1,554
    • SIN 07:00
      18h 5m
      1 stop
      SEA 10:05
      Singapore - Seattle | Thu, Oct 22 | Air Canada
      €430
      78% off
      €1,919 €430
    • SIN 07:00
      18h 5m
      1 stop
      SEA 10:05
      Singapore - Seattle | Tue, Oct 20 | Air Canada
      €430
      78% off
      €1,919 €430
    • SIN 08:45
      20h 32m
      1 stop
      SEA 14:17
      Singapore - Seattle | Wed, Oct 21 | United Airlines
      €442
      77% off
      €1,919 €442
    • SIN 08:45
      20h 32m
      1 stop
      SEA 14:17
      Singapore - Seattle | Mon, Oct 19 | United Airlines
      €442
      77% off
      €1,919 €442
    • SIN 13:00
      17h 25m
      1 stop
      SEA 14:00
      Singapore - Seattle | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights

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 €449. It is best to avoid June, when the average price can reach €850.

€850
€650
€449
€249
  • €449
    Oct
  • €535
    Nov
  • €572
    Dec
  • €613
    Jan
  • €561
    Feb
  • €697
    Mar
  • €610
    Apr
  • €628
    May
  • €850
    Jun
  • €577
    Jul
  • €654
    Aug
  • €641
    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.

€743
€629
€514
€400
    Cheapest
  • €567
    Mon
  • €743
    Tue
  • €514
    Wed
  • €648
    Thu
  • €668
    Fri
  • €628
    Sat
  • €649
    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 €405) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Singapore Airlines
From €405
TransNusa Airlines
From €418
Air Canada
From €423
Citilink
From €430
Batik Air
From €433
Garuda Indonesia
From €439
United Airlines
From €441
Japan Airlines
From €442
Hainan Airlines
From €447
Air China
From €448

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. AC8804

    Vancouver International Airport

    13:10

    YVR

    1h 7m

    Direct

    14:17

    SEA

    S M T W T F S

  4. AC020

    Singapore Changi Airport

    07:00

    SIN

    14h 25m

    Direct

    06:25

    YVR

    - M - W - F S
    Search

  5. AC8810

    Vancouver International Airport

    21:10

    YVR

    1h 7m

    Direct

    22:17

    SEA

    S M T W T - S

  6. 8B154

    Singapore Changi Airport

    15:30

    SIN

    1h 45m

    Direct

    16:15

    CGK

    S M T W T F S
    Search

  7. NH836

    Soekarno–Hatta International Airport

    06:10

    CGK

    7h 35m

    Direct

    15:45

    NRT

    S M T W T F S

  8. NH118

    Haneda Airport

    21:15

    HND

    10h 10m

    Direct

    14:25

    SEA

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

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 €405
Cheapest return ticket price €676

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 €1,350 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 €405, and round-trip fares start from €676. 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 €603. 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.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.