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Cheap flights from Singapore to Seattle from S$ 545

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
31 Mar — 7 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 1 March 2026.

Wed 8-416:35
SIN
-
SEA
2 stops31h 30m
Multiple Airlines
Sun 12-410:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 26-2S$ 946
Sun 10-502:00
SIN
-
SEA
1 stop32h 15m
Multiple Airlines
Thu 14-510:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 28-2S$ 954
Tue 7-401:45
SIN
-
SEA
1 stop23h 20m
Cathay Pacific
Wed 22-411:45
SEA
-
SIN
1 stop22h 00m
Cathay Pacific
Deal found 26-2S$ 960
Mon 13-420:05
SIN
-
SEA
1 stop29h 00m
Cathay Pacific
Mon 20-411:45
SEA
-
SIN
1 stop33h 00m
Cathay Pacific
Deal found 27-2S$ 962
Tue 7-409:45
SIN
-
SEA
1 stop39h 20m
Cathay Pacific
Tue 21-411:45
SEA
-
SIN
1 stop22h 00m
Cathay Pacific
Deal found 26-2S$ 964
Mon 11-507:20
SIN
-
SEA
1 stop17h 45m
Cathay Pacific
Thu 14-511:45
SEA
-
SIN
1 stop26h 45m
Cathay Pacific
Deal found 25-2S$ 965
Thu 16-401:00
SIN
-
SEA
2 stops28h 35m
Multiple Airlines
Fri 1-510:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 28-2S$ 972
Mon 28-913:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Mon 28-901:15
SEA
-
SIN
1 stop32h 20m
China Airlines
Deal found 27-2S$ 973
Mon 28-913:45
SIN
-
SEA
1 stop20h 30m
Multiple Airlines
Tue 29-910:15
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 27-2S$ 978
Mon 6-407:20
SIN
-
SEA
1 stop17h 45m
Cathay Pacific
Tue 21-411:45
SEA
-
SIN
1 stop33h 00m
Cathay Pacific
Deal found 26-2S$ 984

Find 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 1 March 2026.

Round-trip from

S$ 946

One-way from

S$ 545

Popular in

January

Cheapest in

October

Average price

S$ 1,109

Good round-trip deal

S$ 949 or less
Singapore Airlines
  • Singapore Airlines
  • 8-4-12-4
  • 2 total stops
  • 47h 50m total
  • Singapore to Seattle
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 13-5
  • 2 total stops
  • 31h 30m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 14 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 Changi 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 1 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

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 26-3

10:10-18:32

1 stop23h 22m

Seattle/Tacoma Intl

Tue 31-3

08:42-18:35

1 stop42h 53m

S$ 1,044

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 12-3

10:10-23:28

1 stop28h 18m

Seattle/Tacoma Intl

Sat 4-4

19:37-18:35

1 stop31h 58m

S$ 1,045

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 15-4

09:00-14:46

1 stop20h 46m

Seattle/Tacoma Intl

Fri 24-4

17:45-06:45

1 stop22h 00m

S$ 1,045

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 12-3

10:10-16:14

1 stop21h 04m

Seattle/Tacoma Intl

Thu 26-3

05:00-20:15

1 stop24h 15m

S$ 1,159

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 2-5

09:00-01:12

1 stop31h 12m

Seattle/Tacoma Intl

Sun 17-5

19:05-18:35

2 stops32h 30m

S$ 1,161

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-3

06:35-15:50

2 stops24h 15m

Seattle/Tacoma Intl

Mon 30-3

07:12-18:35

1 stop20h 23m

S$ 1,200

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 13-4

09:45-10:05

1 stop39h 20m

Seattle/Tacoma Intl

Mon 20-4

11:45-12:25

1 stop33h 40m

S$ 1,271

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 12-3

20:15-22:43

2 stops41h 28m

Seattle/Tacoma Intl

Mon 30-3

08:41-05:30

2 stops29h 49m

S$ 1,295

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-3

14:05-23:43

2 stops24h 38m

Seattle/Tacoma Intl

Thu 2-4

08:41-00:45

2 stops49h 04m

S$ 1,370

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-3

12:55-23:43

2 stops25h 48m

Seattle/Tacoma Intl

Sun 29-3

08:41-00:45

2 stops25h 04m

S$ 1,370

Flights are sorted by cheapest return flights first.

Deals found on 26-2

Showing 1-10 of 22 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

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 27 February 2026.

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

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$ 594). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,125). 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 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 1 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.

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 1 March 2026.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, andChina Airlines from Singapore to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Entertainment

8.8

Boarding

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

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Entertainment

8.8

Boarding

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
1,361 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Entertainment

8.8

Boarding

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

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Entertainment

8.8

Boarding

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
1,465 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Entertainment

8.8

Boarding

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
9,370 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Entertainment

8.8

Boarding

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.

  • How popular is this Singapore to Seattle flight route?

    Flights from Singapore Changi to Seattle/Tacoma Intl have been viewed 100 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 23h 22m. Fly via United Airlines to get the fastest option. There are 12970 km between Singapore and Seattle.

  • 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$ 528. Additional round-trip tickets that might be worth considering are offered by United Airlines and STARLUX Airlines, with the lowest prices starting at S$ 818 and S$ 938, respectively. You may be able to fly from Singapore to Seattle for 51% 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 Singapore Airlines, which is currently one of the cheapest options available, starting at S$ 506. United Airlines flights start at S$ 579 while deals on STARLUX Airlines start at S$ 597 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay S$ 1,308 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 881 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 1,045.

  • 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$ 594). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,125). 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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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 1 March 2026.
Singapore Airlines flights from Singapore Changi to Seattle/Tacoma Intl
United Airlines flights from Singapore Changi to Seattle/Tacoma Intl

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 1 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 528AverageS$ 969FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 818AverageS$ 1,045FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 916AverageS$ 1,421FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 938AverageS$ 1,087FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 941AverageS$ 1,087FlexibilityNo 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?

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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