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Cheap flights from Singapore to Seattle from S$ 637

SIN — SEA
7 Oct — 14 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

Thu 22-1007:00 -
1 stop18h 05m
Wed 4-1108:40 -
1 stop30h 20m
Deal found 5-9S$ 1,003
Sun 18-1007:00 -
1 stop26h 32m
Sun 25-1019:05 -
1 stop20h 55m
Deal found 3-9S$ 1,009
Fri 20-1108:55 -
Nonstop14h 10m
Sat 28-1108:40 -
Nonstop17h 05m
Deal found 5-9S$ 1,017
Tue 10-1108:40 -
1 stop16h 52m
Sat 14-1119:05 -
2 stops24h 10m
Deal found 4-9S$ 1,022
Mon 9-1121:00 -
2 stops28h 32m
Sat 14-1119:05 -
2 stops24h 10m
Deal found 4-9S$ 1,023
Tue 20-1020:50 -
2 stops28h 15m
Tue 27-1010:10 -
1 stop29h 50m
Deal found 5-9S$ 1,030
Sat 7-1108:40 -
1 stop16h 52m
Sun 22-1110:10 -
1 stop28h 50m
Deal found 5-9S$ 1,037

Find flight deals from Singapore to Seattle

Round-trip from

S$ 1,003

One-way from

S$ 637

Popular in

September

Cheapest in

November

Average price

S$ 1,318

Good round-trip deal

S$ 1,281 or less
Air Canada
  • Air Canada
  • 22-10-4-11
  • 2 total stops
  • 48h 25m total
  • Singapore to Seattle
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Korean Air
  • Korean Air
  • 22-10-31-12
  • 1 total stop
  • 27h 40m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (S$ 143 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (S$ 18 potential savings vs. average return price).
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Average for round-trip flights in September 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
Fastest return journey

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 27-9

20:35-01:15

1 stop19h 40m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 648

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 23-11

22:20-16:27

1 stop34h 07m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 650

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Thu 17-9

20:35-14:24

1 stop32h 49m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 650

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 9-10

08:45-23:26

1 stop29h 41m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 650

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 27-10

10:10-23:31

1 stop28h 21m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 653

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 30-9

21:00-22:37

2 stops40h 37m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 662

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 27-10

19:25-00:36

2 stops44h 11m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 662

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 22-9

21:00-21:36

2 stops39h 36m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 664

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 25-9

09:00-08:45

Nonstop14h 45m

Seattle/Tacoma Intl

Sun 11-10

10:15-17:35

Nonstop16h 20m

S$ 1,177

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 16-9

08:45-14:24

1 stop20h 39m

Seattle/Tacoma Intl

Mon 21-9

12:05-06:15

2 stops27h 10m

S$ 1,211

Flights are sorted by cheapest return flights first.

Deals found on 4-9

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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 7 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$ 997). Flying from Singapore to Seattle in September is currently the most expensive (average of S$ 1,318). 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$ 1,078 and S$ 1,453 in October.
The cheapest return price found within the last 5 days was S$ 1,003 on Air Canada (22 Oct–4 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

Entertainment

8.7

Overall

8.7

Boarding

8.8

Crew

9.1

Comfort

8.8

Food

8.5

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

Entertainment

8.7

Overall

8.7

Boarding

8.8

Crew

9.1

Comfort

8.8

Food

8.5

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

Entertainment

8.7

Overall

8.7

Boarding

8.8

Crew

9.1

Comfort

8.8

Food

8.5

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
844 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Entertainment

8.7

Overall

8.7

Boarding

8.8

Crew

9.1

Comfort

8.8

Food

8.5

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
1,598 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Entertainment

8.7

Overall

8.7

Boarding

8.8

Crew

9.1

Comfort

8.8

Food

8.5

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
11,594 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Entertainment

8.7

Overall

8.7

Boarding

8.8

Crew

9.1

Comfort

8.8

Food

8.5

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 34 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 14h 45m. Fly via Singapore Airlines, United Airlines, 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$ 529. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Air Canada, with the lowest prices starting at S$ 883 and S$ 955, respectively. You may be able to fly from Singapore to Seattle for 55% 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$ 507. Air Canada flights start at S$ 580 while deals on ANA start at S$ 656 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 1,282 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 1,259 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 994.

  • 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$ 997). Flying from Singapore to Seattle in September is currently the most expensive (average of S$ 1,318). 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$ 529AverageS$ 1,096FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Singapore AirlinesCheapestS$ 883AverageS$ 1,311FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air CanadaCheapestS$ 955AverageS$ 1,053FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
STARLUX AirlinesCheapestS$ 1,042AverageS$ 1,146FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,051AverageS$ 1,235FlexibilityNo 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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