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Cheap flights from Singapore to Seattle from S$ 642

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 21-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
22 mai — 29 mai1
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 22 abril 2026.

qui 29-1001:35
SIN
-
SEA
1 stop23h 25m
Korean Air
seg 2-1111:00
SEA
-
SIN
1 stop26h 00m
Korean Air
Deal found 20-4S$ 1,020
qui 5-1110:40
SIN
-
SEA
1 stop38h 20m
Korean Air
seg 9-1111:00
SEA
-
SIN
1 stop41h 25m
Korean Air
Deal found 18-4S$ 1,022
qui 5-1123:10
SIN
-
SEA
1 stop30h 45m
Asiana Airlines
dom 8-1100:10
SEA
-
SIN
1 stop29h 45m
Asiana Airlines
Deal found 19-4S$ 1,105
ter 12-522:00
SIN
-
SEA
1 stop30h 11m
Delta
ter 7-713:05
SEA
-
SIN
1 stop39h 10m
Delta
Deal found 21-4S$ 1,147
seg 6-714:00
SIN
-
SEA
1 stop17h 35m
STARLUX Airlines
ter 10-1123:45
SEA
-
SIN
1 stop21h 40m
STARLUX Airlines
Deal found 19-4S$ 1,201
dom 5-714:00
SIN
-
SEA
1 stop17h 35m
STARLUX Airlines
ter 10-1123:45
SEA
-
SIN
1 stop21h 40m
STARLUX Airlines
Deal found 19-4S$ 1,216
ter 13-1014:10
SIN
-
SEA
1 stop17h 00m
STARLUX Airlines
seg 26-1000:45
SEA
-
SIN
1 stop21h 40m
STARLUX Airlines
Deal found 17-4S$ 1,228
ter 24-1114:25
SIN
-
SEA
1 stop19h 45m
China Airlines
seg 7-1200:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 20-4S$ 1,229
sáb 26-1215:45
SIN
-
SEA
1 stop17h 45m
EVA Air
sáb 9-123:30
SEA
-
SIN
1 stop20h 35m
EVA Air
Deal found 20-4S$ 1,231
dom 2-803:15
SIN
-
SEA
1 stop24h 10m
Multiple Airlines
sex 14-810:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 18-4S$ 1,234
qui 25-614:00
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
seg 13-701:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 17-4S$ 1,239

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 22 abril 2026.

Round-trip from

S$ 1,147

One-way from

S$ 642

Popular in

January

Cheapest in

October

Average price

S$ 1,164
Delta
  • Delta
  • 12-5-7-7
  • 2 total stops
  • 69h 21m total
  • Singapore to Seattle
Search Deals
Korean Air
  • Korean Air
  • 21-5
  • 1 total stop
  • 18h 10m 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$ 14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 22 abril 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
Fastest return journey

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

ter 2-6

01:25-13:25

1 stop27h 00m

Seattle/Tacoma Intl

qua 8-7

13:05-23:55

1 stop19h 50m

S$ 1,280

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

qui 16-7

19:40-12:25

1 stop31h 45m

Seattle/Tacoma Intl

ter 21-7

16:25-21:15

1 stop37h 50m

S$ 1,318

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

seg 12-10

03:15-18:56

2 stops30h 41m

Seattle/Tacoma Intl

ter 27-10

11:31-08:45

2 stops30h 14m

S$ 1,350

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

qui 14-5

22:00-20:30

2 stops37h 30m

Seattle/Tacoma Intl

ter 7-7

13:05-23:55

1 stop19h 50m

S$ 1,406

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

sex 28-8

07:30-21:51

2 stops29h 21m

Seattle/Tacoma Intl

ter 1-12

07:20-05:00

2 stops29h 40m

S$ 1,427

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

ter 28-7

19:40-12:25

1 stop31h 45m

Seattle/Tacoma Intl

seg 10-8

16:25-15:45

1 stop32h 20m

S$ 1,439

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

sex 26-6

21:15-12:25

2 stops54h 10m

Seattle/Tacoma Intl

dom 12-7

16:25-21:15

1 stop37h 50m

S$ 1,469

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

qua 12-8

19:40-12:25

1 stop31h 45m

Seattle/Tacoma Intl

sáb 15-8

16:25-21:15

1 stop37h 50m

S$ 1,474

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

sáb 23-5

21:15-14:45

2 stops56h 30m

Seattle/Tacoma Intl

sáb 6-6

17:05-16:15

1 stop32h 10m

S$ 1,504

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

qui 4-6

22:00-16:00

2 stops33h 00m

Seattle/Tacoma Intl

ter 7-7

07:20-23:55

2 stops25h 35m

S$ 1,538

Flights are sorted by cheapest return flights first.

Deals found on 19-4

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
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
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, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 532). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,128). 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 22 abril 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 18% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 95 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 18% of flights being delayed.

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 22 abril 2026.
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
8.9
Very Good
Check prices

Overall

8.9

Boarding

9.0

Food

8.6

Entertainment

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Boarding

9.0

Food

8.6

Entertainment

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
EVA Air
8.5
Very Good
1,422 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Boarding

9.0

Food

8.6

Entertainment

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
China Airlines
8.3
Very Good
818 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Boarding

9.0

Food

8.6

Entertainment

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
Singapore Airlines
8.2
Very Good
1,502 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Boarding

9.0

Food

8.6

Entertainment

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
United Airlines
7.4
Good
9,624 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Boarding

9.0

Food

8.6

Entertainment

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

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 77 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 27h. Fly via Delta or Qatar Airways 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$ 509. STARLUX Airlines flights start at S$ 565 while deals on ANA start at S$ 664 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, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 532). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,128). 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 5 airlines flying from Singapore to Seattle

Discover the top 5 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 22 abril 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 531AverageS$ 1,101FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 824AverageS$ 1,042FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 922AverageS$ 1,410FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 982AverageS$ 1,078FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,054AverageS$ 1,105FlexibilityNo 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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