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Cheap flights from Singapore to Seattle from S$ 553

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 28-1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
11 Jan — 18 Jan1
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 12 December 2025.

Sat 20-1208:50SIN - SEA
1 stop40h 41mAir Canada
Fri 26-1220:00SEA - SIN
1 stop19h 00mAir Canada
Deal found 10-12S$ 1,312
Fri 19-1215:45SIN - SEA
1 stop18h 25mEVA Air
Sat 3-123:30SEA - SIN
1 stop23h 00mEVA Air
Deal found 10-12S$ 1,553
Fri 19-1210:10SIN - SEA
2 stops22h 14mUnited Airlines
Sat 3-119:12SEA - SIN
1 stop33h 03mUnited Airlines
Deal found 10-12S$ 1,695
Fri 19-1202:00SIN - SEA
1 stop32h 10mMultiple Airlines
Fri 26-1205:50SEA - SIN
1 stop33h 10mMultiple Airlines
Deal found 9-12S$ 1,719
Fri 19-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sat 3-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 10-12S$ 2,116
Sat 20-1220:15SIN - SEA
2 stops41h 47mCathay Pacific
Fri 26-1219:55SEA - SIN
2 stops28h 55mCathay Pacific
Deal found 9-12S$ 2,120
Sat 20-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 26-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 9-12S$ 2,227
Fri 19-1210:15SIN - SEA
1 stop41h 25mMultiple Airlines
Sat 3-108:45SEA - SIN
Nonstop17h 00mMultiple Airlines
Deal found 10-12S$ 2,421

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 12 December 2025.

Round-trip from

S$ 936

One-way from

S$ 553

Popular in

January

Cheapest in

October

Average price

S$ 1,170
China Airlines
  • China Airlines
  • 22-1-24-1
  • 2 total stops
  • 52h 15m total
  • Singapore to Seattle
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 28-1
  • 2 total stops
  • 31h 35m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (S$ 40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (S$ 13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 12 December 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

Sat 14-3

02:00-19:10

1 stop32h 10m

Seattle/Tacoma Intl

Sat 28-3

01:10-00:35

1 stop32h 25m

S$ 967

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-2

01:35-09:00

1 stop23h 25m

Seattle/Tacoma Intl

Thu 26-2

11:00-00:10

1 stop21h 10m

S$ 985

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 25-1

01:35-09:00

1 stop23h 25m

Seattle/Tacoma Intl

Mon 2-2

11:00-00:10

1 stop21h 10m

S$ 986

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 21-3

10:40-14:20

1 stop18h 40m

Seattle/Tacoma Intl

Tue 31-3

12:45-05:00

1 stop25h 15m

S$ 1,004

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-2

01:35-09:00

1 stop23h 25m

Seattle/Tacoma Intl

Thu 26-2

08:45-17:45

Nonstop17h 00m

S$ 1,042

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 13-4

14:00-16:10

1 stop17h 10m

Seattle/Tacoma Intl

Wed 13-5

01:15-12:40

1 stop20h 25m

S$ 1,061

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 24-1

14:25-18:10

1 stop19h 45m

Seattle/Tacoma Intl

Sat 31-1

17:59-13:05

2 stops27h 06m

S$ 1,099

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 29-5

13:10-19:30

1 stop21h 20m

Seattle/Tacoma Intl

Sun 14-6

01:50-13:50

1 stop21h 00m

S$ 1,110

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 29-5

13:10-19:30

1 stop21h 20m

Seattle/Tacoma Intl

Tue 16-6

00:50-12:00

1 stop20h 10m

S$ 1,110

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 30-5

15:10-18:50

1 stop18h 40m

Seattle/Tacoma Intl

Thu 18-6

00:50-13:50

1 stop22h 00m

S$ 1,110

Flights are sorted by cheapest return flights first.

Deals found on 10-12

Showing 1-10 of 22 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

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$ 765). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,152). 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 12 December 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. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Singapore to Seattle delayed?

About 21% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 99 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 21% 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 12 December 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

Boarding

8.9

Food

8.7

Entertainment

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Food

8.7

Entertainment

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
EVA Air
8.5
Very Good
1,296 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Food

8.7

Entertainment

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
China Airlines
8.2
Very Good
788 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Food

8.7

Entertainment

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Singapore Airlines
8.1
Very Good
1,412 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Food

8.7

Entertainment

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
United Airlines
7.4
Good
9,094 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Food

8.7

Entertainment

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

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 114 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 18h 40m. Fly via China Airlines, Korean Air, or Delta 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$ 507. United Airlines flights start at S$ 569 while deals on STARLUX Airlines start at S$ 611 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$ 765). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,152). 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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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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 837AverageS$ 1,073FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
STARLUX AirlinesCheapestS$ 960AverageS$ 1,114FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 962AverageS$ 1,128FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
China AirlinesCheapestS$ 989AverageS$ 1,064FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Korean AirCheapestS$ 1,065AverageS$ 1,205FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,252AverageS$ 1,565FlexibilityNo 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?

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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