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Cheap flights from Singapore to Seattle from S$ 630

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 29-4. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
26 Feb — 5 Mar1
1 adult

The best prices from Singapore Changi to Seattle/Tacoma Intl are usually found in March or February, booked 43 days in advance, depart on a Wednesday or Monday 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 21 February 2025.

Round-trip from

S$ 975

One-way from

S$ 630

Popular in

June

Cheapest in

March

Average price

S$ 1,149

Good round-trip deal

S$ 1,448 or less

Good one-way deal

S$ 1,061 or less
China Airlines
  • China Airlines
  • 5-5-19-5
  • 2 total stops
  • 64h 55m total
  • Singapore to Seattle
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STARLUX Airlines
  • STARLUX Airlines
  • 29-4
  • 1 total stop
  • 17h 10m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (S$ 223 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (S$ 31 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Singapore Changi to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Singapore Changi to Seattle/Tacoma Intl.
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Find flight deals from Singapore to Seattle

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 21 February 2025.

Mon 5-502:00SIN - SEA
1 stop32h 30mChina Airlines
Mon 19-501:10SEA - SIN
1 stop32h 25mChina Airlines
Deal found 20-2S$ 975
Thu 10-414:00SIN - SEA
1 stop17h 10mSTARLUX Airlines
Tue 22-401:15SEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 20-2S$ 976
Fri 12-909:00SIN - SEA
Nonstop14h 45mSingapore Airlines
Sun 21-910:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 19-2S$ 1,086
Wed 7-514:35SIN - SEA
1 stop19h 45mPhilippine Airlines
Wed 21-523:30SEA - SIN
1 stop18h 55mPhilippine Airlines
Deal found 20-2S$ 1,096
Wed 5-301:30SIN - SEA
1 stop23h 30mKorean Air
Sun 9-312:00SEA - SIN
1 stop26h 00mKorean Air
Deal found 20-2S$ 1,131
Sun 9-322:20SIN - SEA
1 stop35h 18mUnited Airlines
Wed 26-317:40SEA - SIN
1 stop35h 35mUnited Airlines
Deal found 20-2S$ 1,142
Wed 9-402:00SIN - SEA
1 stop32h 30mMultiple Airlines
Wed 23-418:59SEA - SIN
2 stops26h 36mMultiple Airlines
Deal found 20-2S$ 1,179
Sat 22-313:15SIN - SEA
1 stop20h 55mEVA Air
Fri 28-301:10SEA - SIN
1 stop19h 50mEVA Air
Deal found 20-2S$ 1,266
Wed 5-301:30SIN - SEA
1 stop28h 05mDelta
Sun 9-306:15SEA - SIN
2 stops31h 45mDelta
Deal found 20-2S$ 1,292
Sat 22-310:00SIN - SEA
1 stop23h 25mAir Canada
Sat 29-319:05SEA - SIN
2 stops25h 10mAir Canada
Deal found 20-2S$ 1,333
Sat 31-522:50SIN - SEA
1 stop28h 40mAsiana Airlines
Mon 30-614:15SEA - SIN
1 stop40h 15mAsiana Airlines
Deal found 19-2S$ 1,443
Sat 31-508:05SIN - SEA
2 stops25h 51mJapan Airlines
Mon 30-608:05SEA - SIN
2 stops25h 15mJapan Airlines
Deal found 19-2S$ 1,586

Find flights from Singapore to Seattle within your budget

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 21 February 2025.

Fly from

Singapore

Fly to

Seattle

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 5-5

02:00-19:30

1 stop32h 30m

Seattle/Tacoma Intl

Mon 19-5

01:10-00:35

1 stop32h 25m

S$ 975

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 10-4

14:00-16:10

1 stop17h 10m

Seattle/Tacoma Intl

Tue 22-4

01:15-12:40

1 stop20h 25m

S$ 976

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 7-5

14:35-19:20

1 stop19h 45m

Seattle/Tacoma Intl

Wed 21-5

23:30-09:25

1 stop18h 55m

S$ 1,096

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5-3

01:30-09:00

1 stop23h 30m

Seattle/Tacoma Intl

Sun 9-3

12:00-05:00

1 stop26h 00m

S$ 1,131

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 9-3

22:20-18:38

1 stop35h 18m

Seattle/Tacoma Intl

Wed 26-3

17:40-20:15

1 stop35h 35m

S$ 1,142

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 9-4

02:00-19:30

1 stop32h 30m

Seattle/Tacoma Intl

Wed 23-4

18:59-12:35

2 stops26h 36m

S$ 1,179

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 22-3

13:15-19:10

1 stop20h 55m

Seattle/Tacoma Intl

Fri 28-3

01:10-12:00

1 stop19h 50m

S$ 1,266

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5-3

01:30-13:35

1 stop28h 05m

Seattle/Tacoma Intl

Sun 9-3

06:15-05:00

2 stops31h 45m

S$ 1,292

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 22-3

10:00-18:25

1 stop23h 25m

Seattle/Tacoma Intl

Sat 29-3

19:05-11:15

2 stops25h 10m

S$ 1,333

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 22-3

09:00-08:10

Nonstop14h 10m

Seattle/Tacoma Intl

Sat 29-3

09:40-17:40

Nonstop17h 00m

S$ 1,725

Flights are sorted by cheapest return flights first.

Deals found on 20-2

Showing 1-10 of 26 results
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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.

Travel insights for flights from Singapore to Seattle

Get recent, data-driven insights about flights from Singapore to Seattle including ideal travel times, pricing trends, and more.

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 14 February 2025.

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 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 21 February 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 33% 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 21 February 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Singapore to Seattle by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Crew

9.3

Food

9.0

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Crew

9.3

Food

9.0

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

EVA Air
8.4
Very Good
1,200 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Crew

9.3

Food

9.0

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air
8.4
Very Good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Crew

9.3

Food

9.0

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Asiana Airlines
8.3
Very Good
445 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Crew

9.3

Food

9.0

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

China Airlines
8.2
Very Good
727 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Crew

9.3

Food

9.0

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 182 times in the past calendar month.

  • 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$ 975. Additional round-trip tickets that might be worth considering are offered by STARLUX Airlines and Philippine Airlines, with the lowest prices starting at S$ 976 and S$ 1,096, 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 STARLUX Airlines, which is currently one of the cheapest options available, starting at S$ 630. China Airlines flights start at S$ 669 while deals on Delta start at S$ 841 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 3,882 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 834 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 952.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 21 February 2025.
United Airlines flights from Singapore Changi to Seattle/Tacoma Intl
Singapore Airlines flights from Singapore Changi to Seattle/Tacoma Intl
Japan Airlines flights from Singapore Changi to Seattle/Tacoma Intl

Top 9 airlines flying from Singapore to Seattle

Discover the top 9 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 872AverageS$ 1,139FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
China AirlinesCheapestS$ 977AverageS$ 1,131FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
American AirlinesCheapestS$ 1,034AverageS$ 1,333FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
STARLUX AirlinesCheapestS$ 1,074AverageS$ 1,169FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,099AverageS$ 1,401FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
ANACheapestS$ 1,107AverageS$ 1,275FlexibilityNo cancel feeOn-time80%
Search ANA flights
Korean AirCheapestS$ 1,144AverageS$ 1,336FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,168AverageS$ 1,626FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Japan AirlinesCheapestS$ 1,288AverageS$ 1,469FlexibilityNo cancel feeOn-time79%
Search Japan 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.

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