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Cheap flights from Singapore to Seattle from S$ 573

SIN — SEA
23 Nov — 30 Nov1
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

Fri 13-1108:55 -
Nonstop14h 10m
Sun 29-1108:40 -
Nonstop17h 05m
Deal found 21-10S$ 939
Fri 13-1108:40 -
1 stop16h 47m
Sun 29-1115:15 -
1 stop23h 45m
Deal found 21-10S$ 996
Fri 13-1108:40 -
1 stop21h 57m
Sun 29-1108:40 -
Nonstop17h 05m
Deal found 23-10S$ 1,007
Tue 24-1108:55 -
Nonstop14h 10m
Tue 1-1216:31 -
2 stops44h 29m
Deal found 24-10S$ 1,048
Wed 4-1108:15 -
1 stop17h 40m
Wed 11-1112:00 -
1 stop20h 50m
Deal found 20-10S$ 1,050
Sat 26-1208:40 -
1 stop25h 42m
Sun 10-108:40 -
Nonstop17h 05m
Deal found 24-10S$ 1,058
Mon 9-1108:15 -
1 stop17h 40m
Wed 2-1212:00 -
1 stop20h 50m
Deal found 20-10S$ 1,061

Find flight deals from Singapore to Seattle

Round-trip from

S$ 939

One-way from

S$ 573

Popular in

April

Cheapest in

November

Average price

S$ 1,295

Good round-trip deal

S$ 1,499 or less
Singapore Airlines
  • Singapore Airlines
  • 13-11-29-11
  • Nonstop
  • 31h 15m total
  • Singapore to Seattle
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Singapore Airlines
  • Singapore Airlines
  • 21-11-31-12
  • Nonstop
  • 14h 10m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (S$ 24 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (S$ 25 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Singapore to Seattle/Tacoma Intl.
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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

Tue 10-11

22:20-12:20

1 stop30h 00m

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 26-11

22:20-23:18

1 stop40h 58m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 652

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sat 12-12

23:45-13:00

1 stop29h 15m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 769

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 5-3

01:40-16:59

2 stops31h 19m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 773

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 7-12

00:05-20:47

2 stops36h 42m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 803

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 6-12

10:00-09:00

2 stops39h 00m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 886

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 17-2

10:10-09:34

1 stop39h 24m

Seattle/Tacoma Intl

Sun 21-2

17:30-20:15

1 stop34h 45m

S$ 1,061

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 17-2

08:15-10:05

1 stop17h 50m

Seattle/Tacoma Intl

Sun 21-2

10:03-00:50

2 stops22h 47m

S$ 1,085

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 16-2

01:40-14:10

1 stop28h 30m

Seattle/Tacoma Intl

Sun 21-2

11:00-20:25

1 stop41h 25m

S$ 1,119

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sat 9-1

22:25-12:43

2 stops30h 18m

Seattle/Tacoma Intl

Wed 31-12

00:00-15:30

Nonstop0h 00m

S$ 1,191

Flights are sorted by cheapest return flights first.

Deals found on 19-10

Showing 1-10 of 21 resultsSorted by cheapest first
1
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3

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$ 1,030). Flying from Singapore to Seattle in April is currently the most expensive (average of S$ 1,397). 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 SG 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 often are flights from Singapore to Seattle delayed?

About 13% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 85 minutes.

What is the most punctual flight time for Singapore to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Singapore to Seattle flights?

Over the past year, Singapore Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 1 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown with STARLUX Airlines,EVA Air, andChina Airlines from Singapore to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Comfort

8.8

Entertainment

8.7

Overall

8.7

Crew

9.1

Food

8.6

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

Comfort

8.8

Entertainment

8.7

Overall

8.7

Crew

9.1

Food

8.6

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
1,550 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Comfort

8.8

Entertainment

8.7

Overall

8.7

Crew

9.1

Food

8.6

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
853 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Comfort

8.8

Entertainment

8.7

Overall

8.7

Crew

9.1

Food

8.6

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
1,627 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Comfort

8.8

Entertainment

8.7

Overall

8.7

Crew

9.1

Food

8.6

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
11,807 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Boarding

8.8

Comfort

8.8

Entertainment

8.7

Overall

8.7

Crew

9.1

Food

8.6

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

  • What airport do you fly into for flights to Seattle from Singapore?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly into when you book flights from Singapore to Seattle.

  • How popular is this Singapore to Seattle flight route?

    Flights from Singapore to Seattle/Tacoma Intl have been viewed 38 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 17h 50m. Fly via United Airlines, Japan Airlines, or Korean Air 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 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$ 539. Air Canada flights start at S$ 607 while deals on ANA start at S$ 667 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    Looking at all options, your cheapest flight can be booked for S$ 1,276. While the most popular route (Singapore Changi - Seattle/Tacoma Intl) can be booked for S$ 996 on average, our data indicates S$ 1,612 when flying from Singapore to Seattle.

  • 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$ 1,030). Flying from Singapore to Seattle in April is currently the most expensive (average of S$ 1,397). 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
Bothell
Leavenworth

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Singapore to Seattle

Singapore to Seattle flights
Singapore to Portland flights

Top 5 airlines flying from Singapore to Seattle

AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 534AverageS$ 1,106FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Singapore AirlinesCheapestS$ 891AverageS$ 1,408FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air CanadaCheapestS$ 964AverageS$ 1,063FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
STARLUX AirlinesCheapestS$ 1,052AverageS$ 1,175FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,060AverageS$ 1,279FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Singapore to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Singapore to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Singapore to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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