Cheap flights from Singapore to Seattle from C$ 709

SIN — SEA
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Seattle

Sun 1/118:15 a.m. -
2 stops38h 52m
Wed 14/48:41 a.m. -
2 stops24h 39m
Deal found 27/10C$ 1,176
Wed 4/118:15 a.m. -
1 stop17h 40m
Wed 14/48:41 a.m. -
2 stops24h 39m
Deal found 27/10C$ 1,180
Mon 2/118:15 a.m. -
1 stop17h 40m
Wed 14/48:41 a.m. -
2 stops24h 39m
Deal found 27/10C$ 1,181
Sun 1/112:25 p.m. -
1 stop19h 45m
Mon 12/41:15 a.m. -
1 stop32h 20m
Deal found 27/10C$ 1,205
Wed 4/1110:30 p.m. -
1 stop31h 40m
Tue 13/412:50 p.m. -
1 stop20h 05m
Deal found 27/10C$ 1,211
Thu 5/112:45 p.m. -
1 stop16h 20m
Wed 14/41:15 a.m. -
1 stop20h 25m
Deal found 27/10C$ 1,258
Tue 3/1110:10 a.m. -
2 stops24h 59m
Wed 4/117:00 a.m. -
1 stop21h 15m
Deal found 29/10C$ 1,274
Fri 6/112:45 p.m. -
1 stop16h 20m
Mon 12/41:15 a.m. -
1 stop20h 25m
Deal found 27/10C$ 1,317
Fri 13/1110:10 a.m. -
1 stop39h 30m
Mon 16/117:35 p.m. -
1 stop32h 40m
Deal found 30/10C$ 1,321
Tue 3/118:15 a.m. -
2 stops38h 52m
Tue 13/48:41 a.m. -
2 stops24h 39m
Deal found 27/10C$ 1,322
Mon 2/1110:30 p.m. -
1 stop26h 35m
Mon 12/45:55 p.m. -
2 stops34h 20m
Deal found 27/10C$ 1,360

Find flight deals from Singapore to Seattle

Round-trip from

C$ 1,156

One-way from

C$ 709

Popular in

April

Cheapest in

February

Average price

C$ 1,415
United Airlines
  • United Airlines
  • 17/2-21/2
  • 2 total stops
  • 57h 04m total
  • Singapore to Seattle
United Airlines
  • United Airlines
  • 16/11-31/12
  • 1 total stop
  • 41h 11m total
  • Singapore to Seattle
Highest demand for flights based on searches. 1% potential increase in price (C$ 34 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 28 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 23/11

10:10 a.m.-4:27 p.m.

1 stop22h 17m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 718
Quickest round-trip

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 22/11

10:20 p.m.-12:59 a.m.

1 stop18h 39m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 718

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Thu 26/11

10:10 a.m.-4:26 p.m.

1 stop22h 16m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 718

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 15/11

10:30 p.m.-9:05 a.m.

1 stop26h 35m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 743

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 2/12

2:00 a.m.-6:10 p.m.

1 stop32h 10m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 755

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 1/12

2:25 p.m.-6:10 p.m.

1 stop19h 45m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 755

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 19/3

10:30 a.m.-3:10 p.m.

1 stop19h 40m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 762

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 16/11

10:45 a.m.-11:14 a.m.

2 stops40h 29m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 802

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 25/11

10:10 a.m.-4:26 p.m.

1 stop46h 16m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 818

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 5/3

1:40 a.m.-4:59 p.m.

2 stops31h 19m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:30 p.m.

Nonstop0h 00m

C$ 845

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Singapore to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Singapore with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Singapore to Seattle

How far ahead should I book a flight from Singapore to Seattle?

To ensure you get the cheapest price possible for a flight from Singapore to Seattle, you should look to book at least 7 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Singapore to Seattle?

Currently, November is the cheapest month in which you can book a flight from Singapore to Seattle (average of C$ 1,126). Flying from Singapore to Seattle in April is currently the most expensive (average of C$ 1,526). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SIN to SEA?

When flying from Singapore to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Singapore to Seattle?

Airfare is typical for this route at the moment.

Singapore to Seattle flights typically cost between C$ 1,056 and C$ 1,214 in February.
The cheapest round-trip price found within the last 5 days was C$ 1,156 on United Airlines (17 Feb-21 Feb).

Related info for your journey

  • How popular is this Singapore to Seattle flight route?

  • How long is the flight from Singapore to Seattle?

    For as low as C$ 1,194, United Airlines can have you in Seattle from Singapore in 22h 52m. Singapore and Seattle are separated by a distance of 12970 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Singapore to Seattle that include hotel bookings?

    Yes. In addition to deals on Singapore to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Seattle.

  • Can I find deals for business class flights from Singapore to Seattle?

    Yes. Cheapflights offers flight deals from Singapore to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Singapore to Seattle?

    Currently, November is the cheapest month in which you can book a flight from Singapore to Seattle (average of C$ 1,126). Flying from Singapore to Seattle in April is currently the most expensive (average of C$ 1,526). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Tukwila
Mukilteo
Ellensburg
Renton
Lynnwood
Cashmere
Tacoma
Marysville
Federal Way
Kirkland
Leavenworth

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Why should you use Cheapflights to find cheap flight tickets from Singapore to Seattle?

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Certainly. Search results for flights to Seattle from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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