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Cheap flights from Singapore to Seattle from S$ 551

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 13-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
5 Apr — 12 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 6 March 2026.

Wed 18-316:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Thu 7-510:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 4-3S$ 957
Sun 3-513:45
SIN
-
SEA
1 stop20h 30m
Multiple Airlines
Thu 7-510:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 1-3S$ 968
Wed 18-316:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Thu 7-500:55
SEA
-
SIN
1 stop29h 35m
Multiple Airlines
Deal found 4-3S$ 975
Thu 16-407:00
SIN
-
SEA
2 stops22h 35m
Multiple Airlines
Thu 23-410:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 1-3S$ 992
Wed 18-316:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Tue 5-500:55
SEA
-
SIN
1 stop29h 35m
Multiple Airlines
Deal found 4-3S$ 993
Wed 17-608:45
SIN
-
SEA
1 stop20h 45m
United Airlines
Sun 12-707:00
SEA
-
SIN
1 stop32h 15m
United Airlines
Deal found 4-3S$ 1,002
Mon 11-520:35
SIN
-
SEA
1 stop19h 37m
United Airlines
Thu 14-507:08
SEA
-
SIN
1 stop20h 27m
United Airlines
Deal found 3-3S$ 1,005
Thu 7-513:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Thu 21-501:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 5-3S$ 1,006
Sun 3-512:45
SIN
-
SEA
1 stop36h 20m
Cathay Pacific
Thu 7-511:45
SEA
-
SIN
1 stop22h 00m
Cathay Pacific
Deal found 1-3S$ 1,016
Mon 22-613:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Mon 13-701:55
SEA
-
SIN
1 stop31h 40m
China Airlines
Deal found 4-3S$ 1,017

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 6 March 2026.

Round-trip from

S$ 957

One-way from

S$ 551

Popular in

January

Cheapest in

October

Average price

S$ 1,122

Good round-trip deal

S$ 960 or less
Singapore Airlines
  • Singapore Airlines
  • 18-3-7-5
  • 2 total stops
  • 47h 55m total
  • Singapore to Seattle
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 13-5
  • 2 total stops
  • 31h 50m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Singapore to Seattle/Tacoma Intl.
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 6 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

Thu 2-4

09:00-10:39

1 stop40h 39m

Seattle/Tacoma Intl

Thu 9-4

08:42-18:35

1 stop42h 53m

S$ 1,049

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 26-3

22:20-20:58

1 stop37h 38m

Seattle/Tacoma Intl

Mon 30-3

11:35-18:35

1 stop40h 00m

S$ 1,058

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 3-5

20:35-10:43

1 stop29h 08m

Seattle/Tacoma Intl

Fri 8-5

11:39-18:35

1 stop39h 56m

S$ 1,058

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 13-4

09:00-14:46

1 stop20h 46m

Seattle/Tacoma Intl

Thu 14-5

07:08-18:35

1 stop20h 27m

S$ 1,070

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 10-8

11:05-14:25

1 stop18h 20m

Seattle/Tacoma Intl

Tue 18-8

10:54-06:15

1 stop28h 21m

S$ 1,110
Fastest return journey

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 19-6

15:20-19:40

1 stop19h 20m

Seattle/Tacoma Intl

Sun 12-7

02:10-13:55

1 stop20h 45m

S$ 1,121

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 2-5

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Thu 7-5

20:05-12:35

2 stops25h 30m

S$ 1,124

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 15-4

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Thu 23-4

19:04-12:35

2 stops26h 31m

S$ 1,164

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 22-6

01:45-10:20

1 stop23h 35m

Seattle/Tacoma Intl

Thu 16-7

12:25-00:45

1 stop21h 20m

S$ 1,221

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 19-6

01:45-10:20

1 stop23h 35m

Seattle/Tacoma Intl

Tue 14-7

19:15-11:45

2 stops25h 30m

S$ 1,246

Flights are sorted by cheapest return flights first.

Deals found on 2-3

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$ 601). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,138). 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 6 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 6 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
Check prices

Overall

8.9

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Comfort

8.9

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
Check prices

Overall

8.9

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Comfort

8.9

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.
EVA Air
8.4
Very Good
1,366 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Comfort

8.9

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.
China Airlines
8.3
Very Good
809 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Comfort

8.9

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.
Singapore Airlines
8.2
Very Good
1,468 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Comfort

8.9

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.
United Airlines
7.4
Good
9,400 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Comfort

8.9

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?

    Flights from Singapore to Seattle/Tacoma Intl have been viewed 88 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 40h 39m. Fly via United Airlines to get the fastest option. There are 12970 km between Singapore and Seattle.

  • 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. United Airlines flights start at S$ 586 while deals on STARLUX Airlines start at S$ 604 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    Looking at all options, your cheapest flight can be booked for S$ 891. While the most popular route (Singapore Changi - Seattle/Tacoma Intl) can be booked for S$ 1,005 on average, our data indicates S$ 1,323 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$ 601). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,138). 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

Browse thousands of different options on Cheapflights for your next trip

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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 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 6 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 534AverageS$ 981FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 828AverageS$ 1,058FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 927AverageS$ 1,437FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 949AverageS$ 1,099FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 951AverageS$ 1,099FlexibilityNo 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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