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$412+ Cheap flights from Singapore (SIN) to Seattle (SEA)

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Find cheap flights from Singapore to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Singapore Changi to Seattle/Tacoma Intl are usually found in October or September, booked 25 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 January 26, 2026.

This Jettzy deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:25 pm
SIN
-
SEA
1 stop19h 45m
China Airlines
Mon 3/161:10 am
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 1/24$742
This Jettzy deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Fri 6/1210:15 am
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 1/24$757
This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:30 pm
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Wed 3/1810:30 pm
SEA
-
SIN
1 stop23h 30m
Multiple Airlines
Deal found 1/25$759
This China Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:00 am
SIN
-
SEA
1 stop31h 10m
China Airlines
Tue 3/171:10 am
SEA
-
SIN
1 stop32h 30m
China Airlines
Deal found 1/24$769
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:25 pm
SIN
-
SEA
1 stop19h 45m
China Airlines
Tue 4/211:15 am
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 1/25$774
This United Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2910:20 pm
SIN
-
SEA
1 stop29h 09m
United Airlines
Sun 2/87:30 pm
SEA
-
SIN
1 stop32h 45m
United Airlines
Deal found 1/23$784
This Jettzy deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/301:25 pm
SIN
-
SEA
1 stop35h 40m
Multiple Airlines
Tue 4/1410:15 am
SEA
-
SIN
Nonstop16h 20m
Multiple Airlines
Deal found 1/26$785
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3010:00 am
SIN
-
SEA
1 stop27h 12m
United Airlines
Sun 2/89:25 am
SEA
-
SIN
1 stop42h 50m
United Airlines
Deal found 1/26$787
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:20 pm
SIN
-
SEA
1 stop35h 12m
United Airlines
Wed 3/185:20 pm
SEA
-
SIN
1 stop22h 40m
United Airlines
Deal found 1/25$788
This oojo deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:45 pm
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Wed 4/291:15 am
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 1/24$797
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:00 pm
SIN
-
SEA
1 stop17h 10m
STARLUX Airlines
Fri 9/251:15 am
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 1/26$808

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$742
(Jettzy)

One-way from

$412
(FlightHub)

Popular in

January

Cheapest in

October

Average price

$948

Good one-way deal

$893 or less
Provider with most accurate pricing for Singapore Changi-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Seattle/Tacoma Intl flights.
Search Deals
From Singapore Changi to Seattle/Tacoma Intl
Search Deals
One-way flight from Singapore Changi to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Singapore Changi to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 26, 2026.
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

Thu 6/4

1:45 pm-7:15 pm

1 stop20h 30m

Seattle/Tacoma Intl

Thu 6/11

1:15 am-12:35 pm

1 stop20h 20m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/9

1:45 pm-7:15 pm

1 stop20h 30m

Seattle/Tacoma Intl

Mon 6/15

1:15 am-12:35 pm

1 stop20h 20m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 6/1

1:45 pm-7:15 pm

1 stop20h 30m

Seattle/Tacoma Intl

Tue 6/30

1:55 am-12:35 pm

1 stop19h 40m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/7

3:00 am-6:10 pm

1 stop31h 10m

Seattle/Tacoma Intl

Tue 3/17

1:10 am-12:40 am

1 stop32h 30m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/11

10:20 pm-6:32 pm

1 stop35h 12m

Seattle/Tacoma Intl

Wed 3/18

5:20 pm-7:00 am

1 stop22h 40m

$788

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 3/20

2:00 am-7:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Mon 3/30

1:15 am-12:35 am

1 stop32h 20m

$809

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 6/4

1:45 pm-7:15 pm

1 stop20h 30m

Seattle/Tacoma Intl

Fri 6/12

10:15 am-5:35 pm

Nonstop16h 20m

$813

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/4

2:00 am-6:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Thu 4/30

7:04 pm-12:35 pm

2 stops26h 31m

$814

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/26

10:10 am-11:28 pm

1 stop28h 18m

Seattle/Tacoma Intl

Mon 3/30

7:12 am-6:35 pm

1 stop20h 23m

$820

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/30

9:00 am-11:27 pm

1 stop29h 27m

Seattle/Tacoma Intl

Thu 4/16

5:45 pm-6:45 am

1 stop22h 00m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 21 results
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2
3

Compare providers for flights from Singapore to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to Seattle in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Singapore-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Singapore-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Singapore-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Singapore to Seattle. Price data was last updated on January 23, 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, October is the cheapest month in which you can book a flight from Singapore to Seattle (average of $592). Flying from Singapore to Seattle in January is currently the most expensive (average of $891). 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 January 26, 2026.

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 to fly round-trip from Singapore to Seattle?

The best insider tips for Singapore to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to Seattle trip
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 January 26, 2026.
See what other customers who have flown with STARLUX Airlines, EVA Air, and Singapore Airlines from Singapore to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Food

8.6

Boarding

8.9

Crew

9.1

Entertainment

8.8

Overall

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
268 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Food

8.6

Boarding

8.9

Crew

9.1

Entertainment

8.8

Overall

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
1,333 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Food

8.6

Boarding

8.9

Crew

9.1

Entertainment

8.8

Overall

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
1,439 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Food

8.6

Boarding

8.9

Crew

9.1

Entertainment

8.8

Overall

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
9,203 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Food

8.6

Boarding

8.9

Crew

9.1

Entertainment

8.8

Overall

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?

    The Singapore Changi to Seattle/Tacoma Intl flight path 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?

    For as low as $769, China Airlines can have you in Seattle from Singapore in 20h 30m. The distance between Singapore and Seattle is about 8059 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Singapore to Seattle round-trip?

    According to our current data, United Airlines ($761), EVA Air ($776), and STARLUX Airlines ($785) offers the cheapest pricing from Singapore to Seattle. United Airlines is priced at 12% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Singapore to Seattle one-way?

    One-way options have recently been found by users for as low as $406 on Singapore Airlines. Other airlines that offer cheap prices include Air Canada from $422 and United Airlines from $446 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay $3,555 for a flight from Singapore to Seattle. The cheapest flight overall is $824 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at $757.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from Singapore to Seattle (average of $592). Flying from Singapore to Seattle in January is currently the most expensive (average of $891). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Portland flights

Top 4 airlines flying from Singapore to Seattle

Discover the top 4 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 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$761Average$802FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$776Average$850FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$836FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$910Average$1,176FlexibilityNo cancel feeOn-time81%

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