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Cheap flights from Singapore to Seattle from S$ 524

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 3-12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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 28 October 2025.

Tue 18-1120:10SIN - SEA
1 stop38h 30mPhilippine Airlines
Tue 25-1121:30SEA - SIN
1 stop34h 10mPhilippine Airlines
Deal found 27-10S$ 843
Wed 19-1114:10SIN - SEA
1 stop20h 30mPhilippine Airlines
Fri 28-1121:30SEA - SIN
1 stop29h 40mPhilippine Airlines
Deal found 27-10S$ 913
Mon 17-1114:25SIN - SEA
1 stop19h 45mChina Airlines
Sun 23-1100:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 25-10S$ 995
Mon 17-1102:00SIN - SEA
1 stop32h 10mChina Airlines
Mon 24-1100:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 27-10S$ 996
Sat 15-1122:20SIN - SEA
1 stop26h 03mUnited Airlines
Mon 24-1119:28SEA - SIN
1 stop20h 32mUnited Airlines
Deal found 25-10S$ 999
Sat 15-1122:20SIN - SEA
1 stop26h 03mUnited Airlines
Sun 23-1114:40SEA - SIN
1 stop25h 20mUnited Airlines
Deal found 27-10S$ 1,000
Sun 16-1110:35SIN - SEA
1 stop24h 05mPhilippine Airlines
Sun 23-1121:30SEA - SIN
1 stop20h 05mPhilippine Airlines
Deal found 26-10S$ 1,001
Wed 3-1202:00SIN - SEA
1 stop32h 10mChina Airlines
Thu 8-100:10SEA - SIN
1 stop32h 30mChina Airlines
Deal found 26-10S$ 1,005
Tue 28-1000:40SIN - SEA
1 stop34h 00mMultiple Airlines
Thu 30-1011:05SEA - SIN
2 stops25h 05mMultiple Airlines
Deal found 25-10S$ 1,013
Sun 9-1108:50SIN - SEA
1 stop16h 41mAir Canada
Sun 30-1110:05SEA - SIN
1 stop28h 55mAir Canada
Deal found 26-10S$ 1,019
Sun 2-1108:50SIN - SEA
1 stop16h 41mAir Canada
Sat 8-1120:00SEA - SIN
2 stops23h 15mAir Canada
Deal found 26-10S$ 1,021
Fri 31-1008:50SIN - SEA
1 stop28h 16mAir Canada
Fri 7-1115:40SEA - SIN
2 stops27h 35mAir Canada
Deal found 26-10S$ 1,022

Cheap flight deals from Singapore to Seattle

Keep the following information in mind while searching for Singapore to Seattle flight deals. Data was last updated 28 October 2025.

Round-trip from

S$ 808

One-way from

S$ 524

Popular in

June

Cheapest in

September

Average price

S$ 1,133
Air Canada
  • Air Canada
  • 22-12-31-12
  • 3 total stops
  • 74h 01m total
  • Singapore to Seattle
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 3-12
  • 1 total stop
  • 34h 00m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 28 October 2025.
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

Wed 19-11

10:35-18:40

1 stop24h 05m

Seattle/Tacoma Intl

Wed 26-11

21:30-13:00

1 stop23h 30m

S$ 913

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 21-11

14:10-18:40

1 stop20h 30m

Seattle/Tacoma Intl

Fri 28-11

21:30-19:10

1 stop29h 40m

S$ 913

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 18-11

10:10-20:51

1 stop26h 41m

Seattle/Tacoma Intl

Sun 23-11

19:28-08:00

1 stop20h 32m

S$ 999

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 16-11

22:20-00:59

1 stop18h 39m

Seattle/Tacoma Intl

Sat 22-11

17:20-20:15

1 stop34h 55m

S$ 999

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 20-11

10:10-16:15

1 stop22h 05m

Seattle/Tacoma Intl

Tue 25-11

17:20-08:00

1 stop22h 40m

S$ 1,000

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 21-11

10:10-00:59

1 stop30h 49m

Seattle/Tacoma Intl

Thu 27-11

07:00-20:15

1 stop21h 15m

S$ 1,000

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 18-11

10:10-00:59

1 stop30h 49m

Seattle/Tacoma Intl

Fri 28-11

07:00-20:15

1 stop21h 15m

S$ 1,000

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 16-11

22:20-00:59

1 stop18h 39m

Seattle/Tacoma Intl

Tue 25-11

13:20-08:00

1 stop26h 40m

S$ 1,000

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 17-11

10:10-23:44

1 stop29h 34m

Seattle/Tacoma Intl

Tue 25-11

05:30-20:15

1 stop22h 45m

S$ 1,000

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 17-11

10:10-00:59

1 stop30h 49m

Seattle/Tacoma Intl

Sun 23-11

19:28-08:00

1 stop20h 32m

S$ 1,000

Flights are sorted by cheapest return flights first.

Deals found on 27-10

Showing 1-10 of 19 results
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, October is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 800). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,144). 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 28 October 2025.

One of the essential ways to save on airfare from Singapore to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 27% on airfare.

What is the cheapest day to fly from Singapore to Seattle?

Use this chart to determine the cheapest time to fly return from Singapore to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Singapore to Seattle flight should consider departing on Friday at midday when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 2025.
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

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Overall

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Overall

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
EVA Air
8.4
Very Good
1,264 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Overall

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
China Airlines
8.3
Very Good
776 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Overall

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Singapore Airlines
8.1
Very Good
1,388 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Overall

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
United Airlines
7.4
Good
8,996 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Overall

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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 153 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 24h 05m. Fly via Philippine 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.

  • 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$ 800). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,144). 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

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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 840AverageS$ 1,082FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
STARLUX AirlinesCheapestS$ 963AverageS$ 1,114FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
China AirlinesCheapestS$ 992AverageS$ 1,068FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
EVA AirCheapestS$ 1,017AverageS$ 1,164FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Korean AirCheapestS$ 1,068AverageS$ 1,209FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,173AverageS$ 1,523FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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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.

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