Cheap flights from Singapore to Seattle from S$ 523

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 2-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to Seattle/Tacoma Intl are usually found in October or September, booked 25 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 28 January 2026.

Mon 30-313:25
SIN
-
SEA
1 stop35h 40m
Multiple Airlines
Tue 14-410:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 26-1S$ 994
Fri 30-110:00
SIN
-
SEA
1 stop27h 12m
United Airlines
Sun 8-209:25
SEA
-
SIN
1 stop42h 50m
United Airlines
Deal found 26-1S$ 996
Tue 10-222:20
SIN
-
SEA
1 stop29h 10m
United Airlines
Tue 17-209:19
SEA
-
SIN
1 stop30h 41m
United Airlines
Deal found 26-1S$ 997
Wed 17-614:00
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
Mon 29-601:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 26-1S$ 1,004
Thu 5-314:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Wed 29-401:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 27-1S$ 1,008
Thu 3-914:00
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
Thu 10-901:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 26-1S$ 1,016
Thu 3-914:00
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
Thu 24-901:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 26-1S$ 1,023
Mon 1-614:00
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
Tue 30-601:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 27-1S$ 1,029
Thu 12-314:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Wed 18-300:45
SEA
-
SIN
1 stop21h 40m
STARLUX Airlines
Deal found 26-1S$ 1,032
Sat 5-922:50
SIN
-
SEA
1 stop31h 05m
Asiana Airlines
Fri 25-900:55
SEA
-
SIN
1 stop29h 35m
Asiana Airlines
Deal found 26-1S$ 1,033
Sat 13-613:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Sun 2-801:55
SEA
-
SIN
1 stop19h 40m
China Airlines
Deal found 27-1S$ 1,035

Find flight deals from Singapore to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.

Round-trip from

S$ 994

One-way from

S$ 523

Popular in

January

Cheapest in

October

Average price

S$ 1,200

Good round-trip deal

S$ 1,577 or less
Singapore Airlines
  • Singapore Airlines
  • 30-3-14-4
  • 1 total stop
  • 52h 00m total
  • Singapore to Seattle
Singapore Airlines
  • Singapore Airlines
  • 2-6
  • Nonstop
  • 14h 45m total
  • Singapore to Seattle
Highest demand for flights based on searches. 3% potential increase in price (S$ 47 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (S$ 12 potential savings vs. average return price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Singapore Changi to Seattle/Tacoma Intl.

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 28 January 2026.
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Singapore

Fly to

Seattle

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 23-2

10:10-15:41

1 stop21h 31m

Seattle/Tacoma Intl

Mon 2-3

07:15-08:00

1 stop32h 45m

S$ 996

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 9-3

10:10-23:28

1 stop28h 18m

Seattle/Tacoma Intl

Sun 15-3

19:34-20:15

1 stop33h 41m

S$ 996

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 13-2

10:10-18:31

1 stop24h 21m

Seattle/Tacoma Intl

Mon 16-2

09:19-08:00

1 stop30h 41m

S$ 997

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-2

22:20-11:30

1 stop29h 10m

Seattle/Tacoma Intl

Tue 17-2

09:19-08:00

1 stop30h 41m

S$ 997

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 8-3

22:20-18:39

1 stop35h 19m

Seattle/Tacoma Intl

Wed 18-3

07:15-20:15

1 stop22h 00m

S$ 997

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 1-6

14:00-16:10

1 stop17h 10m

Seattle/Tacoma Intl

Tue 30-6

01:15-12:40

1 stop20h 25m

S$ 1,029

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 26-3

10:10-20:58

1 stop25h 48m

Seattle/Tacoma Intl

Mon 30-3

19:37-18:35

1 stop31h 58m

S$ 1,044

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 30-3

09:00-23:27

1 stop29h 27m

Seattle/Tacoma Intl

Thu 16-4

07:12-18:35

1 stop20h 23m

S$ 1,054

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 12-3

13:15-19:10

1 stop20h 55m

Seattle/Tacoma Intl

Thu 19-3

23:50-14:30

1 stop23h 40m

S$ 1,057

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 13-4

13:25-10:05

1 stop35h 40m

Seattle/Tacoma Intl

Thu 14-5

23:10-18:55

1 stop28h 45m

S$ 1,059

Flights are sorted by cheapest return flights first.

Deals found on 26-1

Showing 1-10 of 21 results
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

How far ahead should I book a flight from Singapore to Seattle?

Use this chart to determine the optimal time to book a return flight from Singapore to Seattle. Price data was last updated on 23 January 2026.

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 25 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, October is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 749). 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 SIN 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 28 January 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 much does it cost for a return flight from Singapore to Seattle?

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 28 January 2026.
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
8.9
Very Good

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.8

Boarding

8.9

Entertainment

8.8

Crew

9.1

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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.
  • How popular is this Singapore to Seattle flight route?

  • How long is the flight from Singapore to Seattle?

    There are many flights that can get you from Singapore to Seattle in 21h 31m. Fly via United Airlines to get the fastest option. There are 12970 km between Singapore and Seattle.

  • 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$ 528. Additional round-trip tickets that might be worth considering are offered by United Airlines and STARLUX Airlines, with the lowest prices starting at S$ 820 and S$ 940, respectively. You may be able to fly from Singapore to Seattle for 51% 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. United Airlines flights start at S$ 580 while deals on STARLUX Airlines start at S$ 598 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 1,652 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 1,271 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 958.

  • 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, October is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 749). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Singapore to Seattle on these airlines

Choose from the following airlines for your flight from Singapore to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 28 January 2026.

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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 528AverageS$ 1,016FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 820AverageS$ 1,054FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
STARLUX AirlinesCheapestS$ 940AverageS$ 1,089FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 942AverageS$ 1,096FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Singapore AirlinesCheapestS$ 1,230AverageS$ 1,540FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.