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Cheap flights from Singapore to Seattle from S$ 635

SIN — SEA
25 Sep — 2 Oct1
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

Tue 27-1008:40 -
1 stop20h 57m
Wed 11-1119:05 -
1 stop19h 55m
Deal found 25-8S$ 909
Sat 24-1007:00 -
1 stop18h 05m
Sun 8-1108:40 -
1 stop30h 20m
Deal found 22-8S$ 911
Tue 6-1007:00 -
1 stop18h 05m
Tue 13-1015:00 -
1 stop23h 15m
Deal found 22-8S$ 918
Thu 10-1208:40 -
1 stop16h 47m
Fri 8-108:15 -
1 stop30h 45m
Deal found 24-8S$ 944
Sun 4-1007:00 -
1 stop18h 05m
Sun 11-1019:15 -
1 stop19h 00m
Deal found 21-8S$ 980
Tue 27-1008:55 -
Nonstop14h 10m
Wed 11-1119:05 -
1 stop19h 55m
Deal found 25-8S$ 1,019
Tue 8-907:00 -
1 stop26h 32m
Fri 11-910:50 -
1 stop27h 25m
Deal found 24-8S$ 1,036
Tue 13-1007:00 -
1 stop18h 05m
Sun 25-1015:15 -
1 stop24h 45m
Deal found 23-8S$ 1,040

Find flight deals from Singapore to Seattle

Round-trip from

S$ 909

One-way from

S$ 635

Popular in

April

Cheapest in

November

Average price

S$ 1,185

Good round-trip deal

S$ 1,285 or less
Air Canada
  • Air Canada
  • 27-10-11-11
  • 2 total stops
  • 40h 52m total
  • Singapore to Seattle
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Singapore Airlines
  • Singapore Airlines
  • 29-9
  • Nonstop
  • 14h 45m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (S$ 13 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Singapore Changi to Seattle/Tacoma Intl.
Search Deals

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 return flight

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Thu 15-10

07:00-14:22

1 stop22h 22m

Seattle/Tacoma Intl

Mon 26-10

08:40-11:15

2 stops35h 35m

S$ 1,092

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 4-10

13:55-19:15

1 stop20h 20m

Seattle/Tacoma Intl

Sun 25-10

01:10-00:40

1 stop32h 30m

S$ 1,111

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sat 3-10

13:55-19:15

1 stop20h 20m

Seattle/Tacoma Intl

Sun 25-10

01:10-13:05

1 stop20h 55m

S$ 1,111

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 4-10

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Tue 6-10

01:15-00:35

1 stop32h 20m

S$ 1,115

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 27-9

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Thu 26-11

00:10-00:40

1 stop32h 30m

S$ 1,115
Fastest return journey

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 11-10

13:55-19:15

1 stop20h 20m

Seattle/Tacoma Intl

Tue 20-10

01:15-12:30

1 stop20h 15m

S$ 1,130

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 15-9

21:00-21:36

2 stops39h 36m

Seattle/Tacoma Intl

Thu 5-11

10:41-09:35

2 stops30h 54m

S$ 1,171

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 9-10

21:00-20:34

2 stops38h 34m

Seattle/Tacoma Intl

Fri 16-10

06:12-09:40

2 stops36h 28m

S$ 1,175

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 2-10

21:00-22:37

2 stops40h 37m

Seattle/Tacoma Intl

Fri 16-10

06:12-09:40

2 stops36h 28m

S$ 1,175

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 9-10

21:00-22:38

2 stops40h 38m

Seattle/Tacoma Intl

Tue 20-10

23:55-09:40

2 stops42h 45m

S$ 1,176

Flights are sorted by cheapest return flights first.

Deals found on 21-8

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
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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 return 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?

The price you pay for your flight from Singapore to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 S$ 999). Flying from Singapore to Seattle in April is currently the most expensive (average of S$ 1,278). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Seattle as you normally would.

How much does it cost for a return flight from Singapore to Seattle?

Airfare is below average for this route at the moment.

Singapore to Seattle flights typically cost between S$ 1,072 and S$ 1,350 in October.
The cheapest return price found within the last 5 days was S$ 909 on Air Canada (27 Oct–11 Nov).

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with STARLUX Airlines,EVA Air, andChina Airlines from Singapore to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
STARLUX Airlines
8.7
Very Good
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
EVA Air
8.5
Very Good
1,522 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
China Airlines
8.3
Very Good
843 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
Singapore Airlines
8.2
Very Good
1,585 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
Air Canada
7.1
Good
11,539 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

Related info for your journey

  • How popular is this Singapore to Seattle flight route?

    Flights from Singapore Changi to Seattle/Tacoma Intl have been viewed 47 times in the past calendar month.

  • How long is the flight from Singapore to Seattle?

    There are many flights that can get you from Singapore to Seattle in 20h 20m. Fly via Air Canada or China Airlines to get the fastest option. There are 12970 km between Singapore and Seattle. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Singapore to Seattle round-trip?

    Flying on China Airlines is currently your cheapest option to Seattle, with prices starting at S$ 530. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Air Canada, with the lowest prices starting at S$ 885 and S$ 958, respectively. You may be able to fly from Singapore to Seattle for 54% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Singapore to Seattle one-way?

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at S$ 508. Air Canada flights start at S$ 581 while deals on ANA start at S$ 658 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 1,286 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 1,262 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 1,019.

  • 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 holiday 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 S$ 999). Flying from Singapore to Seattle in April is currently the most expensive (average of S$ 1,278). 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
Leavenworth

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Fly from Singapore to Seattle on these airlines

Singapore Airlines flights from Singapore Changi to Seattle/Tacoma Intl

Top 5 airlines flying from Singapore to Seattle

AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 530AverageS$ 1,099FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Singapore AirlinesCheapestS$ 885AverageS$ 1,286FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air CanadaCheapestS$ 958AverageS$ 1,056FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
STARLUX AirlinesCheapestS$ 1,045AverageS$ 1,149FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,054AverageS$ 1,237FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

How does Cheapflights help users find flights from Singapore to Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Singapore today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Singapore to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Singapore to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Singapore to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Singapore today and book when prices fit your budget.

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