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Cheap flights from Singapore to Seattle from S$ 635

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
22 Aug — 29 Aug1
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
Explore the most affordable flight options available from Singapore to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Thu 24-907:00
SIN
-
SEA
1 stop26h 32m
Air Canada
Fri 9-1010:30
SEA
-
SIN
1 stop27h 45m
Air Canada
Deal found 23-7S$ 1,001
Sun 13-907:00
SIN
-
SEA
1 stop18h 05m
Air Canada
Mon 21-919:15
SEA
-
SIN
2 stops25h 00m
Air Canada
Deal found 20-7S$ 1,003
Sun 20-907:00
SIN
-
SEA
1 stop22h 22m
Air Canada
Mon 5-1015:00
SEA
-
SIN
2 stops32h 30m
Air Canada
Deal found 19-7S$ 1,012
Mon 21-922:50
SIN
-
SEA
2 stops38h 57m
Air Canada
Tue 6-1010:30
SEA
-
SIN
1 stop27h 45m
Air Canada
Deal found 20-7S$ 1,023
Sat 29-807:00
SIN
-
SEA
1 stop30h 42m
Air Canada
Fri 18-905:50
SEA
-
SIN
1 stop32h 25m
Air Canada
Deal found 23-7S$ 1,026
Wed 9-901:25
SIN
-
SEA
1 stop24h 15m
Korean Air
Sat 19-912:50
SEA
-
SIN
1 stop25h 10m
Korean Air
Deal found 21-7S$ 1,033
Mon 14-920:05
SIN
-
SEA
2 stops29h 00m
Multiple Airlines
Mon 21-919:15
SEA
-
SIN
2 stops25h 00m
Multiple Airlines
Deal found 20-7S$ 1,041
Tue 11-808:45
SIN
-
SEA
1 stop24h 44m
United Airlines
Tue 18-809:05
SEA
-
SIN
1 stop30h 10m
United Airlines
Deal found 20-7S$ 1,043
Thu 10-907:00
SIN
-
SEA
1 stop18h 05m
Multiple Airlines
Sat 19-919:15
SEA
-
SIN
2 stops25h 30m
Multiple Airlines
Deal found 22-7S$ 1,044
Sun 9-820:50
SIN
-
SEA
2 stops28h 15m
Air Canada
Tue 18-810:40
SEA
-
SIN
1 stop27h 35m
Air Canada
Deal found 20-7S$ 1,048

Find flight deals from Singapore to Seattle

Keep the following information in mind while searching for Singapore to Seattle flight deals. Data was last updated 23 July 2026.

Round-trip from

S$ 981

One-way from

S$ 635

Popular in

May

Cheapest in

November

Average price

S$ 1,105
Korean Air
  • Korean Air
  • 1-9-8-9
  • 2 total stops
  • 47h 45m total
  • Singapore to Seattle
Search Deals
Air Canada
  • Air Canada
  • 26-11
  • 1 total stop
  • 29h 17m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (S$ 123 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 23 July 2026.
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 - SEA

SINSEA

Singapore Changi

Mon 7-9

22:00-13:37

1 stop30h 37m

Seattle/Tacoma Intl

Tue 15-9

13:00-05:00

1 stop25h 00m

S$ 1,054
Fastest return journey

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 15-9

07:30-10:40

1 stop18h 10m

Seattle/Tacoma Intl

Thu 5-11

11:00-00:10

1 stop21h 10m

S$ 1,057

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 14-9

22:00-13:37

1 stop30h 37m

Seattle/Tacoma Intl

Mon 21-9

07:15-23:55

2 stops25h 40m

S$ 1,194

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 15-9

07:30-13:37

1 stop21h 07m

Seattle/Tacoma Intl

Thu 5-11

21:35-05:00

2 stops39h 25m

S$ 1,194

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 4-9

06:15-15:52

2 stops24h 37m

Seattle/Tacoma Intl

Mon 14-9

09:00-06:15

1 stop30h 15m

S$ 1,199

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3-9

07:30-10:40

1 stop18h 10m

Seattle/Tacoma Intl

Fri 11-9

21:30-23:55

2 stops35h 25m

S$ 1,201

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 7-9

06:15-14:24

2 stops23h 09m

Seattle/Tacoma Intl

Tue 15-9

07:11-23:20

2 stops25h 09m

S$ 1,227

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 20-9

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Sat 7-11

18:13-13:05

2 stops26h 52m

S$ 1,331
Cheapest one-way

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 27-10

22:30-12:51

1 stop29h 21m

S$ 652
Fastest single journey

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 31-8

08:45-16:14

1 stop22h 29m

S$ 657

Flights are sorted by cheapest return flights first.

Deals found on 20-7

Showing 1-10 of 16 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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$ 1,041). Flying from Singapore to Seattle in May is currently the most expensive (average of S$ 1,331). 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?

Find hourly flight availability from Singapore to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 July 2026.

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 16% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 87 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 Thursday 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 16% 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 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 23 July 2026.
Read reviews from past customers who have flown with STARLUX Airlines,EVA Air, andSingapore 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
8.8
Very Good
Check prices

Entertainment

8.7

Food

8.6

Comfort

8.9

Overall

8.8

Crew

9.1

Boarding

8.9

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
STARLUX Airlines
8.8
Very Good
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Food

8.6

Comfort

8.9

Overall

8.8

Crew

9.1

Boarding

8.9

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
EVA Air
8.5
Very Good
1,502 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Food

8.6

Comfort

8.9

Overall

8.8

Crew

9.1

Boarding

8.9

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
Singapore Airlines
8.2
Very Good
1,576 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Food

8.6

Comfort

8.9

Overall

8.8

Crew

9.1

Boarding

8.9

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
United Airlines
7.4
Good
10,022 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Food

8.6

Comfort

8.9

Overall

8.8

Crew

9.1

Boarding

8.9

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
Air Canada
7.1
Good
11,373 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Food

8.6

Comfort

8.9

Overall

8.8

Crew

9.1

Boarding

8.9

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 56 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 18h 10m. Fly via Delta, United 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$ 517. Air Canada flights start at S$ 579 while deals on ANA start at S$ 669 one-way.

  • 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$ 1,041). Flying from Singapore to Seattle in May is currently the most expensive (average of S$ 1,331). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Seattle flights
Singapore to Portland flights

Top 6 airlines flying from Singapore to Seattle

Discover the top 6 airlines that operate flights from Singapore to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 539AverageS$ 1,117FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air CanadaCheapestS$ 836AverageS$ 1,074FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestS$ 836AverageS$ 1,081FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 936AverageS$ 1,361FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 1,027AverageS$ 1,145FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,071AverageS$ 1,258FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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