Find flights
Deals
When to book
FAQs

Cheap flights from Singapore to Seattle from £379

SIN — SEA
4 Dec — 11 Dec1
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

Wed 16/1202:00 -
1 stop32h 10m
Tue 29/1200:10 -
1 stop20h 55m
Deal found 1/11£643
Mon 23/1101:40 -
1 stop26h 11m
Tue 8/1212:35 -
1 stop24h 25m
Deal found 2/11£646
Wed 23/1222:30 -
1 stop31h 40m
Tue 12/111:00 -
1 stop21h 15m
Deal found 31/10£649
Sat 19/1214:25 -
1 stop19h 45m
Mon 11/100:10 -
1 stop32h 30m
Deal found 31/10£653
Tue 24/1114:45 -
1 stop16h 20m
Fri 11/1223:45 -
1 stop21h 40m
Deal found 2/11£720
Tue 24/1110:30 -
1 stop19h 40m
Wed 9/1212:35 -
1 stop24h 25m
Deal found 2/11£730
Wed 23/1222:30 -
1 stop31h 40m
Mon 11/112:40 -
1 stop39h 45m
Deal found 31/10£731
Tue 15/1214:45 -
1 stop16h 20m
Sun 3/123:45 -
1 stop21h 40m
Deal found 1/11£735
Tue 15/1214:45 -
1 stop16h 20m
Sat 2/123:45 -
1 stop21h 40m
Deal found 1/11£749
Wed 25/1114:45 -
1 stop16h 20m
Fri 11/1223:45 -
1 stop21h 40m
Deal found 2/11£751
Wed 16/1215:45 -
1 stop18h 25m
Tue 29/1200:10 -
1 stop19h 55m
Deal found 1/11£766

Find flight deals from Singapore to Seattle

Round-trip from

£637

One-way from

£379

Popular in

April

Cheapest in

February

Average price

£632
Japan Airlines
  • Japan Airlines
  • 17/2-21/2
  • 2 total stops
  • 38h 25m total
  • Singapore to Seattle
Search Deals
United Airlines
  • United Airlines
  • 16/11-31/12
  • 1 total stop
  • 41h 11m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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 Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 23/11

10:10-16:27

1 stop22h 17m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£379

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 18/11

22:20-14:39

1 stop32h 19m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£379

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 25/11

10:10-00:59

1 stop30h 49m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£379

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 15/12

14:25-18:10

1 stop19h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£403

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 17/1

02:00-18:10

1 stop32h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£406

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 18/1

02:00-18:10

1 stop32h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£406
Fastest return journey

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 19/3

10:30-15:10

1 stop19h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£407

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 10/11

10:45-14:39

2 stops43h 54m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£429

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Mon 30/11

01:40-16:44

2 stops31h 04m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£450

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 5/3

01:40-16:38

2 stops30h 58m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

£452

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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

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 7 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 £622). Flying from Singapore to Seattle in April is currently the most expensive (average of £815). 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?

When flying from Singapore to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Singapore to Seattle?

Airfare is typical for this route at the moment.

Singapore to Seattle flights typically cost between £564 and £648 in February.
The cheapest return price found within the last 5 days was £637 on Japan Airlines (17 Feb–21 Feb).

Related info for your journey

  • How popular is this Singapore to Seattle flight route?

    This flight path from Singapore Changi to Seattle/Tacoma Intl was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Singapore to Seattle?

    There are many flights that can get you from Singapore to Seattle in 17h 40m. Fly via China Airlines, Delta, or Japan Airlines to get the fastest option. Airlines will cover a distance of 8059 mi. This flight may include one or multiple stops.

  • 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 £622). Flying from Singapore to Seattle in April is currently the most expensive (average of £815). 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
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Singapore to Seattle?

When you search for this flight from Singapore to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Singapore to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Singapore to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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.