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Cheap flights from Singapore to Seattle from S$ 598

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 15-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
25 Mar — 1 Apr1
1 adult

Cheapflights Tip: 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 20 March 2025.

Round-trip from

S$ 956

One-way from

S$ 598

Popular in

June

Cheapest in

March

Average price

S$ 1,138

Good round-trip deal

S$ 1,955 or less
United Airlines
  • United Airlines
  • 10-6-11-8
  • 2 total stops
  • 41h 27m total
  • Singapore to Seattle
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United Airlines
  • United Airlines
  • 15-6
  • 1 total stop
  • 27h 09m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (S$ 197 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (S$ 30 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip 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 20 March 2025.

Tue 10-608:45SIN - SEA
1 stop19h 37mUnited Airlines
Mon 11-817:25SEA - SIN
1 stop21h 50mUnited Airlines
Deal found 20-3S$ 956
Sun 6-402:00SIN - SEA
1 stop32h 30mChina Airlines
Sun 13-401:10SEA - SIN
1 stop20h 25mChina Airlines
Deal found 19-3S$ 1,032
Thu 15-515:10SIN - SEA
1 stop19h 20mEVA Air
Wed 23-702:10SEA - SIN
1 stop18h 50mEVA Air
Deal found 20-3S$ 1,059
Sat 10-520:00SIN - SEA
1 stop38h 15mPhilippine Airlines
Fri 23-523:35SEA - SIN
1 stop18h 50mPhilippine Airlines
Deal found 20-3S$ 1,064
Thu 15-509:10SIN - SEA
1 stop39h 08mAir Canada
Thu 24-713:45SEA - SIN
1 stop26h 20mAir Canada
Deal found 20-3S$ 1,068
Wed 14-501:10SIN - SEA
1 stop24h 30mKorean Air
Thu 24-713:20SEA - SIN
1 stop19h 20mKorean Air
Deal found 20-3S$ 1,131
Thu 22-523:25SIN - SEA
2 stops34h 08mMultiple Airlines
Thu 14-810:00SEA - SIN
2 stops28h 00mMultiple Airlines
Deal found 20-3S$ 1,252
Wed 14-501:10SIN - SEA
1 stop27h 25mDelta
Thu 24-706:15SEA - SIN
2 stops26h 25mDelta
Deal found 20-3S$ 1,296
Wed 2-714:00SIN - SEA
1 stop17h 35mSTARLUX Airlines
Sun 10-801:15SEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 20-3S$ 1,393
Mon 9-601:55SIN - SEA
2 stops27h 14mJapan Airlines
Mon 11-808:00SEA - SIN
2 stops55h 10mJapan Airlines
Deal found 20-3S$ 1,572
Thu 22-509:00SIN - SEA
Nonstop14h 45mSingapore Airlines
Thu 14-810:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 20-3S$ 1,745
Sun 30-310:30SIN - SEA
1 stop41h 15mQatar Airways
Sat 5-416:30SEA - SIN
1 stop25h 30mQatar Airways
Deal found 19-3S$ 2,065

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 20 March 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

Tue 10-6

08:45-13:22

1 stop19h 37m

Seattle/Tacoma Intl

Mon 11-8

17:25-06:15

1 stop21h 50m

S$ 956

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 6-4

02:00-19:30

1 stop32h 30m

Seattle/Tacoma Intl

Sun 13-4

01:10-12:35

1 stop20h 25m

S$ 1,032

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 15-5

15:10-19:30

1 stop19h 20m

Seattle/Tacoma Intl

Wed 23-7

02:10-12:00

1 stop18h 50m

S$ 1,059

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 10-5

20:00-19:15

1 stop38h 15m

Seattle/Tacoma Intl

Fri 23-5

23:35-09:25

1 stop18h 50m

S$ 1,064

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 15-5

09:10-09:18

1 stop39h 08m

Seattle/Tacoma Intl

Thu 24-7

13:45-07:05

1 stop26h 20m

S$ 1,068

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 14-5

01:10-10:40

1 stop24h 30m

Seattle/Tacoma Intl

Thu 24-7

13:20-23:40

1 stop19h 20m

S$ 1,131

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 22-5

23:25-18:33

2 stops34h 08m

Seattle/Tacoma Intl

Thu 14-8

10:00-05:00

2 stops28h 00m

S$ 1,252

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 14-5

01:10-13:35

1 stop27h 25m

Seattle/Tacoma Intl

Thu 24-7

06:15-23:40

2 stops26h 25m

S$ 1,296

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 2-7

14:00-16:35

1 stop17h 35m

Seattle/Tacoma Intl

Sun 10-8

01:15-12:40

1 stop20h 25m

S$ 1,393

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 9-6

01:55-14:09

2 stops27h 14m

Seattle/Tacoma Intl

Mon 11-8

08:00-06:10

2 stops55h 10m

S$ 1,572

Flights are sorted by cheapest return flights first.

Deals found on 20-3

Showing 1-10 of 24 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.

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 14 March 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 20 March 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 34% 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 20 March 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

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.1

Food

9.0

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

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.1

Food

9.0

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
1,170 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.1

Food

9.0

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
1,045 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.1

Food

9.0

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.
Japan Airlines
8.3
Very Good
1,437 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.1

Food

9.0

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.
ANA
8.3
Very Good
828 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.1

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.1

Food

9.0

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 192 times in the past calendar month.

  • 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$ 956. Additional round-trip tickets that might be worth considering are offered by China Airlines and EVA Air, with the lowest prices starting at S$ 1,032 and S$ 1,059, 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$ 598. Philippine Airlines flights start at S$ 599 while deals on China Airlines start at S$ 618 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 2,121 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 1,612 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 956.

  • 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 20 March 2025.
Singapore Airlines flights from Singapore Changi to Seattle/Tacoma Intl
United 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 20 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 944AverageS$ 1,139FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapestS$ 957AverageS$ 1,307FlexibilityNo cancel feeOn-time80%
Search ANA flights
China AirlinesCheapestS$ 974AverageS$ 1,112FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
American AirlinesCheapestS$ 1,030AverageS$ 1,328FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
STARLUX AirlinesCheapestS$ 1,042AverageS$ 1,190FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,108AverageS$ 1,327FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Korean AirCheapestS$ 1,139AverageS$ 1,331FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,164AverageS$ 1,651FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Japan AirlinesCheapestS$ 1,265AverageS$ 1,524FlexibilityNo 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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