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Cheap flights from Singapore to Seattle from S$ 591

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 7-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
11 May — 18 May1
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 11 April 2026.

Thu 12-1122:30
SIN
-
SEA
1 stop26h 30m
Korean Air
Mon 16-1111:00
SEA
-
SIN
1 stop41h 25m
Korean Air
Deal found 6-4S$ 1,011
Thu 10-922:50
SIN
-
SEA
1 stop31h 05m
Asiana Airlines
Sun 20-900:55
SEA
-
SIN
1 stop29h 35m
Asiana Airlines
Deal found 10-4S$ 1,053
Mon 21-922:50
SIN
-
SEA
1 stop31h 05m
Asiana Airlines
Fri 9-1000:55
SEA
-
SIN
1 stop29h 35m
Asiana Airlines
Deal found 7-4S$ 1,097
Thu 17-922:50
SIN
-
SEA
1 stop31h 05m
Asiana Airlines
Mon 28-900:55
SEA
-
SIN
1 stop29h 35m
Asiana Airlines
Deal found 8-4S$ 1,103
Fri 4-907:30
SIN
-
SEA
2 stops29h 55m
Delta
Wed 16-921:25
SEA
-
SIN
2 stops35h 30m
Delta
Deal found 6-4S$ 1,150
Thu 17-907:30
SIN
-
SEA
1 stop18h 10m
Delta
Tue 29-907:20
SEA
-
SIN
2 stops25h 35m
Delta
Deal found 8-4S$ 1,153
Mon 1-620:35
SIN
-
SEA
1 stop19h 54m
United Airlines
Wed 5-819:05
SEA
-
SIN
1 stop32h 30m
United Airlines
Deal found 6-4S$ 1,155
Tue 15-907:30
SIN
-
SEA
1 stop18h 10m
Korean Air
Mon 28-913:00
SEA
-
SIN
1 stop25h 00m
Korean Air
Deal found 8-4S$ 1,158
Thu 10-908:45
SIN
-
SEA
1 stop26h 58m
United Airlines
Mon 21-906:29
SEA
-
SIN
2 stops32h 46m
United Airlines
Deal found 10-4S$ 1,167
Thu 17-907:30
SIN
-
SEA
1 stop18h 10m
Korean Air
Tue 29-907:20
SEA
-
SIN
2 stops25h 35m
Korean Air
Deal found 8-4S$ 1,192

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 11 April 2026.

Round-trip from

S$ 1,097

One-way from

S$ 591

Popular in

January

Cheapest in

October

Average price

S$ 1,165
Asiana Airlines
  • Asiana Airlines
  • 21-9-9-10
  • 2 total stops
  • 60h 40m total
  • Singapore to Seattle
Search Deals
United Airlines
  • United Airlines
  • 7-6
  • 1 total stop
  • 19h 54m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 52 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 April 2026
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 11 April 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 10-9

08:45-20:43

1 stop26h 58m

Seattle/Tacoma Intl

Mon 21-9

06:29-06:15

2 stops32h 46m

S$ 1,167

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 21-4

01:05-14:05

1 stop28h 00m

Seattle/Tacoma Intl

Wed 6-5

16:25-16:15

1 stop32h 50m

S$ 1,261

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 27-9

02:00-19:15

1 stop32h 15m

Seattle/Tacoma Intl

Thu 1-10

19:07-12:35

2 stops26h 28m

S$ 1,263

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 1-5

01:05-14:05

1 stop28h 00m

Seattle/Tacoma Intl

Sat 9-5

16:25-09:20

1 stop25h 55m

S$ 1,327
Fastest return journey

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 17-9

03:15-12:25

1 stop24h 10m

Seattle/Tacoma Intl

Mon 28-9

16:25-08:50

1 stop25h 25m

S$ 1,339

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 20-9

03:15-20:32

2 stops32h 17m

Seattle/Tacoma Intl

Sat 10-10

16:25-08:50

1 stop25h 25m

S$ 1,353

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 9-6

19:40-14:05

1 stop33h 25m

Seattle/Tacoma Intl

Wed 24-6

11:42-08:50

2 stops30h 08m

S$ 1,356

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 31-5

21:15-14:05

2 stops31h 50m

Seattle/Tacoma Intl

Tue 4-8

16:25-08:50

1 stop25h 25m

S$ 1,376

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 10-8

18:15-12:25

2 stops33h 10m

Seattle/Tacoma Intl

Tue 18-8

11:42-08:50

2 stops30h 08m

S$ 1,406

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 31-5

13:40-14:05

2 stops39h 25m

Seattle/Tacoma Intl

Fri 7-8

16:25-08:50

1 stop25h 25m

S$ 1,407

Flights are sorted by cheapest return flights first.

Deals found on 8-4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 10 April 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 23 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$ 554). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,134). 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 11 April 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 much does it cost for a return flight from Singapore to Seattle?

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 11 April 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

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.7

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

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.7

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
8.5
Very Good
1,403 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.7

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
816 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.7

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
1,491 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.7

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
9,562 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.7

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 80 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 24h 10m. Fly via United Airlines or Qatar Airways 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 flying from Singapore to Seattle round-trip?

    Flying on China Airlines is currently your cheapest option to Seattle, with prices starting at S$ 532. Additional round-trip tickets that might be worth considering are offered by United Airlines and Singapore Airlines, with the lowest prices starting at S$ 825 and S$ 924, 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$ 510. STARLUX Airlines flights start at S$ 566 while deals on United Airlines start at S$ 584 one-way.

  • 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$ 554). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,134). 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 11 April 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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 532AverageS$ 1,015FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 825AverageS$ 1,043FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 924AverageS$ 1,412FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 983AverageS$ 1,080FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,006AverageS$ 1,095FlexibilityNo 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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