Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Singapore to Seattle from S$ 596

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 8-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
29 Apr — 6 May1
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 30 March 2026.

Tue 5-520:35
SIN
-
SEA
1 stop19h 37m
United Airlines
Mon 11-507:08
SEA
-
SIN
1 stop20h 27m
United Airlines
Deal found 28-3S$ 944
Tue 1-920:35
SIN
-
SEA
1 stop32h 47m
United Airlines
Tue 15-907:06
SEA
-
SIN
1 stop20h 29m
United Airlines
Deal found 29-3S$ 954
Thu 3-920:35
SIN
-
SEA
1 stop41h 49m
United Airlines
Wed 9-908:38
SEA
-
SIN
1 stop42h 57m
United Airlines
Deal found 27-3S$ 957
Fri 29-514:00
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
Mon 6-701:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 26-3S$ 964
Thu 19-1114:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Sat 28-1100:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 27-3S$ 1,039
Sun 13-902:00
SIN
-
SEA
1 stop32h 45m
China Airlines
Tue 15-901:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 29-3S$ 1,062
Fri 4-902:00
SIN
-
SEA
1 stop32h 45m
China Airlines
Mon 14-901:55
SEA
-
SIN
1 stop19h 40m
China Airlines
Deal found 28-3S$ 1,065
Sun 27-902:00
SIN
-
SEA
1 stop32h 15m
China Airlines
Thu 8-1001:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 28-3S$ 1,067
Mon 6-714:00
SIN
-
SEA
1 stop17h 35m
STARLUX Airlines
Wed 29-701:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 29-3S$ 1,070
Fri 4-915:20
SIN
-
SEA
1 stop19h 20m
Multiple Airlines
Thu 17-910:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 28-3S$ 1,078

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 30 March 2026.

Round-trip from

S$ 944

One-way from

S$ 596

Popular in

January

Cheapest in

October

Average price

S$ 1,132

Good round-trip deal

S$ 2,226 or less
United Airlines
  • United Airlines
  • 5-5-11-5
  • 2 total stops
  • 40h 04m total
  • Singapore to Seattle
Search Deals
United Airlines
  • United Airlines
  • 8-6
  • 1 total stop
  • 19h 54m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Singapore Changi to Seattle/Tacoma Intl.
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 30 March 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

Mon 14-9

13:45-19:45

1 stop21h 00m

Seattle/Tacoma Intl

Tue 15-9

01:15-12:35

1 stop20h 20m

S$ 1,062

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 4-9

08:45-09:58

1 stop40h 13m

Seattle/Tacoma Intl

Mon 7-9

05:00-06:15

2 stops34h 15m

S$ 1,118

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 14-9

08:45-16:15

1 stop22h 30m

Seattle/Tacoma Intl

Wed 16-9

08:38-00:45

2 stops25h 07m

S$ 1,273

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 13-5

19:40-12:45

1 stop32h 05m

Seattle/Tacoma Intl

Wed 20-5

16:30-15:45

1 stop32h 15m

S$ 1,312

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 10-8

19:40-12:25

1 stop31h 45m

Seattle/Tacoma Intl

Tue 18-8

11:41-08:50

2 stops30h 09m

S$ 1,326

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 6-5

03:15-12:45

1 stop24h 30m

Seattle/Tacoma Intl

Sun 17-5

16:30-15:45

1 stop32h 15m

S$ 1,331

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 3-5

03:15-12:45

1 stop24h 30m

Seattle/Tacoma Intl

Sun 17-5

16:30-08:50

1 stop25h 20m

S$ 1,331

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 22-4

19:15-12:45

2 stops32h 30m

Seattle/Tacoma Intl

Sat 25-4

16:30-15:45

1 stop32h 15m

S$ 1,437
Cheapest one-way

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 8-9

08:45-09:58

1 stop40h 13m

S$ 601

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 9-6

20:35-01:13

1 stop19h 38m

S$ 604

Flights are sorted by cheapest return flights first.

Deals found on 25-3

Showing 1-10 of 17 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

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 13 March 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 23 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, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 560). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,146). 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 30 March 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 30 March 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
9.0
Wonderful
Check prices

Crew

9.2

Comfort

8.9

Entertainment

8.8

Food

8.7

Boarding

9.0

Overall

9.0

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
9.0
Wonderful
STARLUX Airlines
9.0
Wonderful
Check prices

Crew

9.2

Comfort

8.9

Entertainment

8.8

Food

8.7

Boarding

9.0

Overall

9.0

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.
EVA Air
8.5
Very Good
1,394 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Crew

9.2

Comfort

8.9

Entertainment

8.8

Food

8.7

Boarding

9.0

Overall

9.0

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.
China Airlines
8.3
Very Good
817 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Crew

9.2

Comfort

8.9

Entertainment

8.8

Food

8.7

Boarding

9.0

Overall

9.0

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.
Singapore Airlines
8.2
Very Good
1,484 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Crew

9.2

Comfort

8.9

Entertainment

8.8

Food

8.7

Boarding

9.0

Overall

9.0

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.
United Airlines
7.4
Good
9,522 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Crew

9.2

Comfort

8.9

Entertainment

8.8

Food

8.7

Boarding

9.0

Overall

9.0

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?

    Flights from Singapore Changi to Seattle/Tacoma Intl have been viewed 81 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 21h. Fly via China Airlines or United 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$ 538. Additional round-trip tickets that might be worth considering are offered by United Airlines and Singapore Airlines, with the lowest prices starting at S$ 834 and S$ 934, 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$ 515. STARLUX Airlines flights start at S$ 572 while deals on United Airlines start at S$ 590 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 2,226 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 2,226 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 944.

  • 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$ 560). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,146). 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 30 March 2026.
Singapore Airlines flights from Singapore Changi to Seattle/Tacoma Intl
United Airlines flights from Singapore Changi to Seattle/Tacoma Intl

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 30 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 538AverageS$ 1,026FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 834AverageS$ 1,054FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 934AverageS$ 1,427FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 956AverageS$ 1,091FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 958AverageS$ 1,102FlexibilityNo 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?

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.