Cheap flights from Singapore to Seattle from S$ 534

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 11-3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
15 Feb — 22 Feb1
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

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 16 January 2026.

Round-trip from

S$ 930

One-way from

S$ 534

Popular in

January

Cheapest in

October

Average price

S$ 1,221
Singapore Airlines
  • Singapore Airlines
  • 18-2-24-2
  • 2 total stops
  • 48h 35m total
  • Singapore to Seattle
Hainan Airlines
  • Hainan Airlines
  • 11-3
  • 2 total stops
  • 31h 35m total
  • Singapore to Seattle
Highest demand for flights based on searches. 3% potential increase in price (S$ 48 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (S$ 13 potential savings vs. average return price).
Average for round-trip flights in January 2026

Find 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 16 January 2026.

Wed 18-216:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Tue 24-208:45
SEA
-
SIN
Nonstop17h 00m
Multiple Airlines
Deal found 15-1S$ 930
Sun 1-202:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Sun 15-200:10
SEA
-
SIN
1 stop32h 30m
China Airlines
Deal found 15-1S$ 945
Wed 18-202:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Mon 23-200:10
SEA
-
SIN
1 stop32h 30m
China Airlines
Deal found 15-1S$ 975
Mon 27-402:00
SIN
-
SEA
1 stop32h 15m
China Airlines
Sun 3-501:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 15-1S$ 976
Sat 28-202:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Sat 7-300:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 15-1S$ 981
Sat 16-502:00
SIN
-
SEA
1 stop32h 15m
China Airlines
Mon 1-601:15
SEA
-
SIN
1 stop32h 20m
China Airlines
Deal found 14-1S$ 983
Tue 5-513:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Tue 12-501:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 15-1S$ 984
Sat 21-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Mon 30-301:15
SEA
-
SIN
1 stop32h 20m
China Airlines
Deal found 14-1S$ 996
Fri 6-222:20
SIN
-
SEA
1 stop38h 52m
United Airlines
Sat 21-207:15
SEA
-
SIN
1 stop21h 00m
United Airlines
Deal found 14-1S$ 1,001
Fri 6-310:10
SIN
-
SEA
1 stop26h 48m
United Airlines
Wed 11-305:00
SEA
-
SIN
1 stop24h 15m
United Airlines
Deal found 15-1S$ 1,002
Wed 20-514:00
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
Fri 29-501:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 14-1S$ 1,003

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 16 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

Thu 14-5

13:45-19:15

1 stop20h 30m

Seattle/Tacoma Intl

Thu 21-5

01:15-00:35

1 stop32h 20m

S$ 983

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 17-5

13:45-19:15

1 stop20h 30m

Seattle/Tacoma Intl

Thu 28-5

01:15-00:35

1 stop32h 20m

S$ 983

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 15-5

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Sat 23-5

01:15-00:35

1 stop32h 20m

S$ 983

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 19-5

13:45-19:15

1 stop20h 30m

Seattle/Tacoma Intl

Mon 1-6

01:15-00:35

1 stop32h 20m

S$ 983

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 16-5

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Sat 23-5

01:15-00:35

1 stop32h 20m

S$ 983

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 22-5

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Mon 1-6

01:15-12:35

1 stop20h 20m

S$ 983

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 9-5

13:45-19:15

1 stop20h 30m

Seattle/Tacoma Intl

Sat 16-5

01:10-12:35

1 stop20h 25m

S$ 984

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 6-3

10:10-16:14

1 stop22h 04m

Seattle/Tacoma Intl

Tue 17-3

07:15-20:15

1 stop22h 00m

S$ 1,002

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 26-3

14:25-19:10

1 stop19h 45m

Seattle/Tacoma Intl

Sun 29-3

01:15-12:35

1 stop20h 20m

S$ 1,012

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 5-3

14:25-18:10

1 stop19h 45m

Seattle/Tacoma Intl

Thu 30-4

19:04-12:35

2 stops26h 31m

S$ 1,044

Flights are sorted by cheapest return flights first.

Deals found on 15-1

Showing 1-10 of 24 results
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2
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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 9 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$ 762). 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 16 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.

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 16 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

Comfort

8.8

Overall

8.9

Food

8.6

Boarding

8.9

Entertainment

8.8

Crew

9.1

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

Comfort

8.8

Overall

8.9

Food

8.6

Boarding

8.9

Entertainment

8.8

Crew

9.1

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

Comfort

8.8

Overall

8.9

Food

8.6

Boarding

8.9

Entertainment

8.8

Crew

9.1

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

Comfort

8.8

Overall

8.9

Food

8.6

Boarding

8.9

Entertainment

8.8

Crew

9.1

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

Comfort

8.8

Overall

8.9

Food

8.6

Boarding

8.9

Entertainment

8.8

Crew

9.1

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

Comfort

8.8

Overall

8.9

Food

8.6

Boarding

8.9

Entertainment

8.8

Crew

9.1

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 20h 30m. Fly via China 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 United Airlines is currently your cheapest option to Seattle, with prices starting at S$ 834. Additional round-trip tickets that might be worth considering are offered by STARLUX Airlines and EVA Air, with the lowest prices starting at S$ 956 and S$ 959, respectively. You may be able to fly from Singapore to Seattle for 25% 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 United Airlines, which is currently one of the cheapest options available, starting at S$ 562. Singapore Airlines flights start at S$ 589 while deals on STARLUX Airlines start at S$ 608 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, October is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 762). 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

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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 16 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 834AverageS$ 1,072FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
STARLUX AirlinesCheapestS$ 956AverageS$ 1,108FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 959AverageS$ 1,119FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
China AirlinesCheapestS$ 985AverageS$ 1,060FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Singapore AirlinesCheapestS$ 1,248AverageS$ 1,565FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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

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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.

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