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Cheap flights from Singapore to Seattle from S$ 599

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
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

S$ 940

One-way from

S$ 599

Popular in

June

Cheapest in

March

Average price

S$ 1,142

Good round-trip deal

S$ 1,626 or less
China Airlines
  • China Airlines
  • 5-4-19-4
  • 2 total stops
  • 52h 55m 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$ 199 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 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 25 March 2025.

Sat 5-402:00SIN - SEA
1 stop32h 30mChina Airlines
Sat 19-401:10SEA - SIN
1 stop20h 25mChina Airlines
Deal found 24-3S$ 940
Tue 10-608:45SIN - SEA
1 stop24h 40mUnited Airlines
Mon 11-807:00SEA - SIN
1 stop20h 25mUnited Airlines
Deal found 24-3S$ 958
Sun 1-622:50SIN - SEA
1 stop28h 40mAsiana Airlines
Thu 31-714:30SEA - SIN
1 stop40h 00mAsiana Airlines
Deal found 25-3S$ 981
Thu 15-509:10SIN - SEA
1 stop39h 08mAir Canada
Thu 24-714:55SEA - SIN
1 stop25h 10mAir Canada
Deal found 24-3S$ 1,072
Tue 8-414:00SIN - SEA
1 stop17h 10mSTARLUX Airlines
Mon 14-401:15SEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 25-3S$ 1,084
Sun 1-615:10SIN - SEA
1 stop19h 20mEVA Air
Wed 30-702:10SEA - SIN
1 stop20h 40mEVA Air
Deal found 25-3S$ 1,085
Wed 14-501:10SIN - SEA
1 stop24h 30mKorean Air
Thu 24-713:20SEA - SIN
1 stop19h 20mKorean Air
Deal found 24-3S$ 1,133
Thu 3-401:10SIN - SEA
1 stop27h 20mDelta
Thu 17-412:40SEA - SIN
1 stop25h 20mDelta
Deal found 25-3S$ 1,156
Fri 29-810:25SIN - SEA
1 stop23h 50mPhilippine Airlines
Fri 12-923:35SEA - SIN
1 stop18h 50mPhilippine Airlines
Deal found 24-3S$ 1,254
Thu 8-513:45SIN - SEA
1 stop20h 45mMultiple Airlines
Thu 15-520:01SEA - SIN
2 stops25h 34mMultiple Airlines
Deal found 23-3S$ 1,255
Fri 11-706:15SIN - SEA
1 stop23h 10mANA
Sun 20-713:45SEA - SIN
2 stops25h 55mANA
Deal found 25-3S$ 1,334
Mon 9-601:55SIN - SEA
2 stops29h 55mJapan Airlines
Mon 11-808:00SEA - SIN
2 stops25h 20mJapan Airlines
Deal found 24-3S$ 1,391

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 25 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

Sat 5-4

02:00-19:30

1 stop32h 30m

Seattle/Tacoma Intl

Sat 19-4

01:10-12:35

1 stop20h 25m

S$ 940

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-6

08:45-18:25

1 stop24h 40m

Seattle/Tacoma Intl

Mon 11-8

07:00-18:25

1 stop20h 25m

S$ 958

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 1-6

22:50-12:30

1 stop28h 40m

Seattle/Tacoma Intl

Thu 31-7

14:30-21:30

1 stop40h 00m

S$ 981

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 15-5

09:10-09:18

1 stop39h 08m

Seattle/Tacoma Intl

Thu 24-7

14:55-07:05

1 stop25h 10m

S$ 1,072

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 8-4

14:00-16:10

1 stop17h 10m

Seattle/Tacoma Intl

Mon 14-4

01:15-12:40

1 stop20h 25m

S$ 1,084

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 1-6

15:10-19:30

1 stop19h 20m

Seattle/Tacoma Intl

Wed 30-7

02:10-13:50

1 stop20h 40m

S$ 1,085

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$ 1,133

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 29-8

10:25-19:15

1 stop23h 50m

Seattle/Tacoma Intl

Fri 12-9

23:35-09:25

1 stop18h 50m

S$ 1,254

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 8-5

13:45-19:30

1 stop20h 45m

Seattle/Tacoma Intl

Thu 15-5

20:01-12:35

2 stops25h 34m

S$ 1,255

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 4-4

07:30-13:30

1 stop21h 00m

Seattle/Tacoma Intl

Thu 17-4

06:10-23:40

2 stops26h 30m

S$ 1,296

Flights are sorted by cheapest return flights first.

Deals found on 24-3

Showing 1-10 of 29 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

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 25 March 2025.

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.

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 mornings 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 25 March 2025.
To help decide which airline to fly from Singapore to Seattle, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
1,169 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
1,047 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
1,440 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
826 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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.

  • 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 191 times in the past calendar month.

  • 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$ 599. China Airlines flights start at S$ 614 while deals on STARLUX Airlines start at S$ 633 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    Looking at all options, your cheapest flight can be booked for S$ 1,585. While the most popular route (Singapore Changi - Seattle/Tacoma Intl) can be booked for S$ 958 on average our data indicates S$ 2,131 when flying from Singapore to Seattle.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 948AverageS$ 1,142FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapestS$ 961AverageS$ 1,319FlexibilityNo cancel feeOn-time80%
Search ANA flights
China AirlinesCheapestS$ 978AverageS$ 1,117FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
American AirlinesCheapestS$ 1,035AverageS$ 1,334FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
STARLUX AirlinesCheapestS$ 1,046AverageS$ 1,196FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,113AverageS$ 1,376FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Korean AirCheapestS$ 1,135AverageS$ 1,337FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,169AverageS$ 1,653FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Japan AirlinesCheapestS$ 1,270AverageS$ 1,533FlexibilityNo 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?

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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