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Cheap flights from Singapore to Seattle from S$ 633

SIN — SEA
18 Sep — 25 Sep1
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

Sat 22-807:00 -
1 stop26h 32m
Tue 8-905:50 -
1 stop32h 25m
Deal found 17-8S$ 911
Thu 24-907:00 -
1 stop18h 05m
Thu 15-1015:00 -
1 stop23h 15m
Deal found 16-8S$ 984
Sun 20-907:00 -
1 stop26h 32m
Sun 27-915:00 -
1 stop23h 15m
Deal found 16-8S$ 988
Tue 29-907:00 -
1 stop18h 05m
Tue 6-1015:00 -
1 stop23h 15m
Deal found 15-8S$ 994
Sun 20-920:50 -
2 stops36h 42m
Thu 24-905:50 -
1 stop32h 25m
Deal found 14-8S$ 1,010
Thu 17-907:00 -
1 stop22h 17m
Thu 24-910:50 -
1 stop27h 25m
Deal found 14-8S$ 1,026
Thu 10-907:00 -
1 stop22h 17m
Mon 14-919:15 -
2 stops25h 00m
Deal found 18-8S$ 1,030
Sat 17-1007:00 -
1 stop17h 52m
Sun 1-1110:10 -
1 stop28h 50m
Deal found 15-8S$ 1,031
Sat 26-1208:40 -
1 stop21h 57m
Sat 9-119:05 -
2 stops24h 10m
Deal found 18-8S$ 1,036

Find flight deals from Singapore to Seattle

Round-trip from

S$ 984

One-way from

S$ 633

Popular in

October

Cheapest in

November

Average price

S$ 1,192

Good round-trip deal

S$ 1,293 or less
Air Canada
  • Air Canada
  • 24-9-15-10
  • 2 total stops
  • 41h 20m total
  • Singapore to Seattle
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Air Canada
  • Air Canada
  • 20-9
  • 1 total stop
  • 26h 32m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (S$ 4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (S$ 15 potential savings vs. average return price).
Search Deals
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

Wed 14-10

01:25-10:40

1 stop24h 15m

Seattle/Tacoma Intl

Mon 19-10

12:50-23:55

1 stop20h 05m

S$ 1,109
Fastest return journey

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 7-9

13:55-19:45

1 stop20h 50m

Seattle/Tacoma Intl

Thu 22-10

01:15-12:30

1 stop20h 15m

S$ 1,113

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 27-9

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Sat 17-10

01:15-00:35

1 stop32h 20m

S$ 1,116

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 20-9

21:00-00:11

2 stops42h 11m

Seattle/Tacoma Intl

Sun 27-9

23:42-09:40

2 stops42h 58m

S$ 1,177

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 21-9

21:00-20:44

2 stops38h 44m

Seattle/Tacoma Intl

Sat 7-11

06:12-09:35

2 stops35h 23m

S$ 1,177

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 14-9

21:00-00:11

2 stops42h 11m

Seattle/Tacoma Intl

Mon 21-9

23:42-09:40

2 stops42h 58m

S$ 1,177

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 9-10

21:00-21:15

2 stops39h 15m

Seattle/Tacoma Intl

Fri 23-10

10:31-09:40

2 stops32h 09m

S$ 1,177

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sat 10-10

21:00-21:15

2 stops39h 15m

Seattle/Tacoma Intl

Sun 25-10

06:12-09:35

2 stops36h 23m

S$ 1,177

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 27-9

21:00-20:44

2 stops38h 44m

Seattle/Tacoma Intl

Sat 10-10

11:17-09:40

2 stops31h 23m

S$ 1,177
Cheapest one-way

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 16-9

20:35-18:29

1 stop36h 54m

S$ 650

Flights are sorted by cheapest return flights first.

Deals found on 17-8

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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

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$ 1,006). Flying from Singapore to Seattle in October is currently the most expensive (average of S$ 1,293). 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$ 1,104 and S$ 1,324 in September.
The cheapest return price found within the last 5 days was S$ 984 on Air Canada (24 Sept–15 Oct).

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
8.8
Very Good
Check prices

Boarding

8.9

Food

8.6

Overall

8.8

Entertainment

8.7

Crew

9.1

Comfort

8.8

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
8.8
Very Good
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.9

Food

8.6

Overall

8.8

Entertainment

8.7

Crew

9.1

Comfort

8.8

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
1,519 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.9

Food

8.6

Overall

8.8

Entertainment

8.7

Crew

9.1

Comfort

8.8

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
8.8
Very Good
Check prices

Boarding

8.9

Food

8.6

Overall

8.8

Entertainment

8.7

Crew

9.1

Comfort

8.8

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
1,586 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.9

Food

8.6

Overall

8.8

Entertainment

8.7

Crew

9.1

Comfort

8.8

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
11,506 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.9

Food

8.6

Overall

8.8

Entertainment

8.7

Crew

9.1

Comfort

8.8

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 50 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 50m. Fly via Korean Air 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$ 534. Additional round-trip tickets that might be worth considering are offered by United Airlines and Singapore Airlines, with the lowest prices starting at S$ 829 and S$ 891, 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$ 511. Air Canada flights start at S$ 585 while deals on ANA start at S$ 662 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 1,294 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 1,270 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 1,076.

  • 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$ 1,006). Flying from Singapore to Seattle in October is currently the most expensive (average of S$ 1,293). 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
United Airlines flights from Singapore Changi to Seattle/Tacoma Intl

Top 6 airlines flying from Singapore to Seattle

AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 534AverageS$ 1,106FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 829AverageS$ 1,011FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 891AverageS$ 1,316FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air CanadaCheapestS$ 964AverageS$ 1,063FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
STARLUX AirlinesCheapestS$ 1,052AverageS$ 1,156FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,060AverageS$ 1,247FlexibilityNo 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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