Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Singapore to Seattle from S$ 617

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 27-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
20 Jul — 27 Jul1
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 20 June 2026.

Mon 6-706:15
SIN
-
SEA
2 stops27h 17m
Air Canada
Mon 13-719:20
SEA
-
SIN
2 stops24h 55m
Air Canada
Deal found 20-6S$ 938
Sat 22-807:00
SIN
-
SEA
1 stop26h 32m
Air Canada
Sun 6-910:45
SEA
-
SIN
1 stop27h 30m
Air Canada
Deal found 20-6S$ 948
Fri 27-1108:50
SIN
-
SEA
1 stop21h 47m
Air Canada
Thu 3-1219:05
SEA
-
SIN
2 stops41h 50m
Air Canada
Deal found 20-6S$ 957
Sat 26-1208:50
SIN
-
SEA
1 stop16h 27m
Air Canada
Sat 9-115:15
SEA
-
SIN
2 stops45h 40m
Air Canada
Deal found 20-6S$ 958
Tue 14-707:00
SIN
-
SEA
1 stop18h 07m
Air Canada
Sun 19-715:00
SEA
-
SIN
1 stop23h 15m
Air Canada
Deal found 18-6S$ 969
Sat 11-706:15
SIN
-
SEA
2 stops23h 07m
Multiple Airlines
Tue 14-715:00
SEA
-
SIN
1 stop23h 15m
Multiple Airlines
Deal found 19-6S$ 978
Tue 24-1108:50
SIN
-
SEA
1 stop25h 32m
Air Canada
Tue 1-1215:15
SEA
-
SIN
1 stop23h 45m
Air Canada
Deal found 16-6S$ 1,006
Tue 14-707:00
SIN
-
SEA
1 stop22h 22m
Air Canada
Tue 21-715:00
SEA
-
SIN
1 stop23h 15m
Air Canada
Deal found 19-6S$ 1,010
Sat 11-707:00
SIN
-
SEA
1 stop26h 32m
Air Canada
Tue 14-715:00
SEA
-
SIN
1 stop23h 15m
Air Canada
Deal found 19-6S$ 1,016

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 20 June 2026.

Round-trip from

S$ 938

One-way from

S$ 617

Popular in

May

Cheapest in

November

Average price

S$ 1,223
Air Canada
  • Air Canada
  • 6-7-13-7
  • 4 total stops
  • 52h 12m total
  • Singapore to Seattle
Search Deals
Air Canada
  • Air Canada
  • 27-6
  • 1 total stop
  • 30h 42m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (S$ 122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 20 June 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

Fri 28-8

06:15-18:29

2 stops27h 14m

Seattle/Tacoma Intl

Sun 30-8

07:00-00:45

2 stops26h 45m

S$ 1,216

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 1-10

20:35-21:59

2 stops40h 24m

Seattle/Tacoma Intl

Sat 3-10

10:55-18:35

1 stop40h 40m

S$ 1,233

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 27-8

13:45-19:45

1 stop21h 00m

Seattle/Tacoma Intl

Tue 3-11

00:10-00:40

1 stop32h 30m

S$ 1,269

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 31-7

08:45-08:00

2 stops38h 15m

Seattle/Tacoma Intl

Fri 28-8

09:05-18:35

1 stop42h 30m

S$ 1,374

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 30-7

08:45-01:15

1 stop31h 30m

Seattle/Tacoma Intl

Fri 28-8

07:00-18:35

1 stop20h 35m

S$ 1,432

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 30-7

08:45-01:15

1 stop31h 30m

Seattle/Tacoma Intl

Sat 29-8

15:30-06:15

1 stop23h 45m

S$ 1,432

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 30-7

08:45-01:15

1 stop31h 30m

Seattle/Tacoma Intl

Thu 27-8

07:11-18:35

1 stop20h 24m

S$ 1,432
Fastest return journey

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 21-9

09:05-16:30

1 stop22h 25m

Seattle/Tacoma Intl

Sat 7-11

08:45-17:45

Nonstop17h 00m

S$ 1,472

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 15-9

09:00-08:45

Nonstop14h 45m

Seattle/Tacoma Intl

Thu 5-11

21:25-19:05

1 stop29h 40m

S$ 1,472

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 30-7

07:20-20:37

2 stops28h 17m

Seattle/Tacoma Intl

Thu 27-8

12:25-19:05

1 stop39h 40m

S$ 1,516

Flights are sorted by cheapest return flights first.

Deals found on 20-6

Showing 1-10 of 21 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?

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 24 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, November is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 1,049). Flying from Singapore to Seattle in May is currently the most expensive (average of S$ 1,338). 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 20 June 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 20 June 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
8.8
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Overall

8.8

Comfort

8.9

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
STARLUX Airlines
8.8
Very Good
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Overall

8.8

Comfort

8.9

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
EVA Air
8.5
Very Good
1,478 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Overall

8.8

Comfort

8.9

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
China Airlines
8.3
Very Good
829 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Overall

8.8

Comfort

8.9

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
Singapore Airlines
8.2
Very Good
1,547 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Overall

8.8

Comfort

8.9

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
United Airlines
7.4
Good
9,868 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Overall

8.8

Comfort

8.9

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.

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 64 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 21h. 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 flying from Singapore to Seattle round-trip?

    Flying on China Airlines is currently your cheapest option to Seattle, with prices starting at S$ 539. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at S$ 806 and S$ 836, respectively. You may be able to fly from Singapore to Seattle for 52% 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$ 517. Air Canada flights start at S$ 579 while deals on ANA start at S$ 669 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, November is the cheapest month in which you can book a flight from Singapore to Seattle (average of S$ 1,049). Flying from Singapore to Seattle in May is currently the most expensive (average of S$ 1,338). 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

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

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 20 June 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 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestS$ 539AverageS$ 1,117FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapestS$ 836AverageS$ 1,082FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 936AverageS$ 1,368FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
STARLUX AirlinesCheapestS$ 1,027AverageS$ 1,126FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapestS$ 1,080AverageS$ 1,152FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.