Cheap flights from Singapore to Seattle from S$ 526

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 18-3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
9 Apr — 16 Apr1
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 10 March 2026.

Sat 13-620:35
SIN
-
SEA
1 stop19h 38m
United Airlines
Mon 10-819:05
SEA
-
SIN
1 stop20h 10m
United Airlines
Deal found 7-3S$ 954
Wed 22-416:15
SIN
-
SEA
2 stops31h 50m
Multiple Airlines
Tue 28-400:55
SEA
-
SIN
1 stop29h 35m
Multiple Airlines
Deal found 8-3S$ 956
Mon 6-713:45
SIN
-
SEA
1 stop21h 00m
China Airlines
Thu 23-701:55
SEA
-
SIN
1 stop31h 40m
China Airlines
Deal found 7-3S$ 980
Thu 23-413:45
SIN
-
SEA
1 stop20h 30m
Multiple Airlines
Fri 8-510:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 6-3S$ 988
Sat 13-620:35
SIN
-
SEA
1 stop19h 38m
United Airlines
Sun 9-805:00
SEA
-
SIN
1 stop22h 35m
United Airlines
Deal found 7-3S$ 1,001
Sun 21-608:45
SIN
-
SEA
1 stop29h 35m
United Airlines
Mon 13-707:00
SEA
-
SIN
1 stop20h 35m
United Airlines
Deal found 9-3S$ 1,002
Tue 21-414:10
SIN
-
SEA
1 stop17h 00m
STARLUX Airlines
Mon 27-401:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 7-3S$ 1,004
Sun 10-502:00
SIN
-
SEA
1 stop32h 15m
China Airlines
Mon 25-501:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 9-3S$ 1,006
Mon 20-402:00
SIN
-
SEA
1 stop32h 15m
China Airlines
Tue 21-401:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 6-3S$ 1,007
Wed 16-1214:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Wed 6-123:45
SEA
-
SIN
1 stop21h 40m
STARLUX Airlines
Deal found 8-3S$ 1,008
Sat 4-702:00
SIN
-
SEA
1 stop32h 45m
China Airlines
Tue 21-701:55
SEA
-
SIN
1 stop31h 40m
China Airlines
Deal found 7-3S$ 1,012

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 10 March 2026.

Round-trip from

S$ 954

One-way from

S$ 526

Popular in

January

Cheapest in

October

Average price

S$ 1,125

Good round-trip deal

S$ 1,148 or less
United Airlines
  • United Airlines
  • 13-6-10-8
  • 2 total stops
  • 39h 48m total
  • Singapore to Seattle
Hainan Airlines
  • Hainan Airlines
  • 18-3
  • 2 total stops
  • 31h 35m total
  • Singapore to Seattle
Highest demand for flights based on searches. 3% potential increase in price (S$ 57 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 15 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Singapore to Seattle/Tacoma Intl.

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 10 March 2026.
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 8-4

20:35-10:39

1 stop29h 04m

Seattle/Tacoma Intl

Thu 16-4

07:12-18:35

1 stop20h 23m

S$ 1,031

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 25-5

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Mon 22-6

01:15-00:35

1 stop32h 20m

S$ 1,099

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 22-6

13:45-19:15

1 stop20h 30m

Seattle/Tacoma Intl

Sat 11-7

01:55-12:35

1 stop19h 40m

S$ 1,099

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 14-6

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Sun 21-6

01:15-12:35

1 stop20h 20m

S$ 1,136
Fastest return journey

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 20-6

15:20-19:40

1 stop19h 20m

Seattle/Tacoma Intl

Sat 11-7

02:10-13:55

1 stop20h 45m

S$ 1,141

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 11-6

13:45-19:15

1 stop20h 30m

Seattle/Tacoma Intl

Sun 28-6

01:15-12:35

1 stop20h 20m

S$ 1,141

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 8-4

09:00-18:00

2 stops24h 00m

Seattle/Tacoma Intl

Fri 17-4

07:12-18:35

1 stop20h 23m

S$ 1,164

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 23-4

20:35-21:06

3 stops39h 31m

Seattle/Tacoma Intl

Thu 30-4

07:08-18:35

1 stop20h 27m

S$ 1,166

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 2-5

20:35-01:12

1 stop19h 37m

Seattle/Tacoma Intl

Tue 5-5

05:00-18:35

1 stop22h 35m

S$ 1,213

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 8-5

20:35-14:36

1 stop33h 01m

Seattle/Tacoma Intl

Sat 23-5

15:40-18:35

2 stops35h 55m

S$ 1,314

Flights are sorted by cheapest return flights first.

Deals found on 9-3

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 557). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,139). 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 10 March 2026.

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.

How often are flights from Singapore to Seattle delayed?

About 18% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 98 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?

Tuesday 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 18% 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 10 March 2026.
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

Food

8.7

Comfort

8.9

Overall

8.9

Boarding

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good

Food

8.7

Comfort

8.9

Overall

8.9

Boarding

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Food

8.7

Comfort

8.9

Overall

8.9

Boarding

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Food

8.7

Comfort

8.9

Overall

8.9

Boarding

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Food

8.7

Comfort

8.9

Overall

8.9

Boarding

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good

Food

8.7

Comfort

8.9

Overall

8.9

Boarding

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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?

  • How long is the flight from Singapore to Seattle?

    There are many flights that can get you from Singapore to Seattle in 19h 20m. Fly via United Airlines, China Airlines, or EVA Air 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$ 512. STARLUX Airlines flights start at S$ 568 while deals on United Airlines start at S$ 587 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    Looking at all options, your cheapest flight can be booked for S$ 892. While the most popular route (Singapore Changi - Seattle/Tacoma Intl) can be booked for S$ 1,074 on average, our data indicates S$ 2,212 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.

  • What is the cheapest month to book a flight from Singapore to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 557). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,139). 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.

Top 5 airlines flying from Singapore to Seattle

Discover the top 5 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 534AverageS$ 982FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 829AverageS$ 1,059FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 928AverageS$ 1,431FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 950AverageS$ 1,100FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 952AverageS$ 1,100FlexibilityNo cancel feeOn-time74%
Search EVA Air 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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