Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Singapore to Seattle from S$ 544

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 6-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Singapore to Seattle

Keep the following information in mind while searching for Singapore to Seattle flight deals. Data was last updated 12 September 2025.

Round-trip from

S$ 773

One-way from

S$ 544

Popular in

August

Cheapest in

February

Average price

S$ 1,117

Good round-trip deal

S$ 1,247 or less
Asiana Airlines
  • Asiana Airlines
  • 26-10-1-11
  • 2 total stops
  • 61h 30m total
  • Singapore to Seattle
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 17-9
  • 1 total stop
  • 19h 40m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (S$ 28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Singapore to Seattle/Tacoma Intl.
Search Deals

Find flight deals from Singapore to Seattle

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 12 September 2025.

Sun 26-1023:10SIN - SEA
1 stop30h 45mAsiana Airlines
Sat 1-1100:10SEA - SIN
1 stop30h 45mAsiana Airlines
Deal found 11-9S$ 773
Mon 27-1023:10SIN - SEA
1 stop30h 45mAsiana Airlines
Sun 2-1100:10SEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 12-9S$ 807
Sun 26-1003:00SIN - SEA
1 stop26h 55mMultiple Airlines
Sun 2-1100:10SEA - SIN
2 stops24h 00mMultiple Airlines
Deal found 12-9S$ 809
Mon 3-1123:10SIN - SEA
1 stop30h 45mAsiana Airlines
Tue 11-1100:10SEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 11-9S$ 848
Sun 9-1123:10SIN - SEA
1 stop30h 45mAsiana Airlines
Tue 11-1100:10SEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 11-9S$ 898
Tue 21-1007:30SIN - SEA
1 stop20h 00mMultiple Airlines
Mon 27-1000:10SEA - SIN
1 stop30h 15mMultiple Airlines
Deal found 11-9S$ 926
Mon 3-1123:10SIN - SEA
1 stop30h 45mAsiana Airlines
Sat 15-1100:10SEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 11-9S$ 929
Thu 23-1003:15SIN - SEA
1 stop22h 25mMultiple Airlines
Sun 9-1111:00SEA - SIN
1 stop21h 10mMultiple Airlines
Deal found 11-9S$ 938

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 12 September 2025.
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Singapore

Fly to

Seattle

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5-11

23:10-13:55

1 stop30h 45m

Seattle/Tacoma Intl

Tue 11-11

00:10-21:55

1 stop29h 45m

S$ 848

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5-11

23:10-13:55

1 stop30h 45m

Seattle/Tacoma Intl

Sun 16-11

00:10-21:55

1 stop29h 45m

S$ 929

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 25-9

13:45-19:20

1 stop20h 35m

Seattle/Tacoma Intl

Sat 27-9

01:10-12:35

1 stop20h 25m

S$ 962

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 8-11

23:10-13:55

1 stop30h 45m

Seattle/Tacoma Intl

Tue 11-11

00:10-21:55

1 stop29h 45m

S$ 979

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 26-10

22:20-08:23

1 stop25h 03m

Seattle/Tacoma Intl

Sun 2-11

21:30-23:40

1 stop34h 10m

S$ 995

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 24-10

08:45-14:24

1 stop20h 39m

Seattle/Tacoma Intl

Sun 9-11

07:00-20:15

1 stop21h 15m

S$ 1,011

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3-11

10:10-16:15

1 stop22h 05m

Seattle/Tacoma Intl

Wed 12-11

05:30-20:15

1 stop22h 45m

S$ 1,013

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 21-10

08:45-21:15

1 stop27h 30m

Seattle/Tacoma Intl

Tue 28-10

13:20-20:15

1 stop39h 55m

S$ 1,013

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 6-11

10:10-13:38

1 stop19h 28m

Seattle/Tacoma Intl

Tue 11-11

05:30-20:15

1 stop22h 45m

S$ 1,013

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 7-11

10:10-13:38

1 stop19h 28m

Seattle/Tacoma Intl

Mon 17-11

07:00-20:15

1 stop21h 15m

S$ 1,013

Flights are sorted by cheapest return flights first.

Deals found on 11-9

Showing 1-10 of 22 results
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 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 12 September 2025.

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.

What is the cheapest day to fly from Singapore to Seattle?

Use this chart to determine the cheapest time to fly return from Singapore to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Singapore to Seattle flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 12 September 2025.
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

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very Good
1,236 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
767 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Singapore Airlines
8.1
Very Good
1,365 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
United Airlines
7.4
Good
8,937 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Overall

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 163 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 20h 35m. Fly via Asiana Airlines or China Airlines 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 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$ 544. Philippine Airlines flights start at S$ 553 while deals on United Airlines start at S$ 595 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    Looking at all options, your cheapest flight can be booked for S$ 1,247. While the most popular route (Singapore Changi - Seattle/Tacoma Intl) can be booked for S$ 940 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.

See more FAQs

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.

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 7 airlines flying from Singapore to Seattle

Discover the top 7 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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 832AverageS$ 1,089FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapestS$ 921AverageS$ 1,265FlexibilityNo cancel feeOn-time80%
Search ANA flights
STARLUX AirlinesCheapestS$ 952AverageS$ 1,103FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
China AirlinesCheapestS$ 981AverageS$ 1,056FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
EVA AirCheapestS$ 1,005AverageS$ 1,144FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Korean AirCheapestS$ 1,056AverageS$ 1,196FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,160AverageS$ 1,558FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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.

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.