Cheap flights from Singapore to Seattle from S$ 531
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 11-3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
9 Mar — 16 Mar1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 Wednesday or Tuesday and return on a Monday
Cheap flight deals from Singapore to Seattle
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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 7 February 2026.
Wed 18-316:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Tue 24-309:45
SEA
-
SIN
Nonstop17h 00m
Multiple Airlines
Deal found 5-2S$ 912
Wed 18-316:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Tue 31-323:10
SEA
-
SIN
1 stop18h 55m
Multiple Airlines
Deal found 4-2S$ 949
Mon 30-320:05
SIN
-
SEA
1 stop29h 00m
Cathay Pacific
Thu 16-411:45
SEA
-
SIN
1 stop26h 45m
Cathay Pacific
Deal found 7-2S$ 958
Thu 12-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Mon 16-301:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 5-2S$ 971
Sun 5-420:05
SIN
-
SEA
1 stop29h 00m
Cathay Pacific
Thu 9-411:45
SEA
-
SIN
1 stop33h 00m
Cathay Pacific
Deal found 4-2S$ 972
Thu 19-222:20
SIN
-
SEA
1 stop38h 41m
United Airlines
Sun 22-217:20
SEA
-
SIN
1 stop22h 40m
United Airlines
Deal found 5-2S$ 1,000
Sun 22-314:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Sat 28-301:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 4-2S$ 1,004
Mon 13-420:05
SIN
-
SEA
1 stop29h 00m
Cathay Pacific
Thu 14-511:45
SEA
-
SIN
1 stop26h 45m
Cathay Pacific
Deal found 7-2S$ 1,008
Thu 9-413:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Thu 23-401:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 5-2S$ 1,014
Best flights from Singapore to Seattle
Discover carefully curated flight deals from Singapore to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 February 2026.
Mon 30-301:45
SIN
-
SEA
1 stop23h 20m
Cathay Pacific
Thu 16-411:45
SEA
-
SIN
1 stop36h 55m
Cathay Pacific
Deal found 6-2S$ 960
Thu 12-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Mon 16-301:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 5-2S$ 971
Thu 5-314:25
SIN
-
SEA
1 stop19h 45m
Multiple Airlines
Thu 30-419:04
SEA
-
SIN
2 stops26h 31m
Multiple Airlines
Deal found 7-2S$ 1,031
Tue 24-322:20
SIN
-
SEA
1 stop37h 38m
United Airlines
Tue 31-319:37
SEA
-
SIN
1 stop31h 58m
United Airlines
Deal found 6-2S$ 1,046
Mon 13-420:05
SIN
-
SEA
1 stop29h 00m
Cathay Pacific
Thu 14-511:45
SEA
-
SIN
1 stop26h 45m
Cathay Pacific
Deal found 7-2S$ 1,008
Sun 22-302:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Sun 29-301:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 6-2S$ 1,009
Thu 26-322:20
SIN
-
SEA
1 stop28h 20m
United Airlines
Mon 30-307:12
SEA
-
SIN
1 stop20h 23m
United Airlines
Deal found 6-2S$ 1,047
Thu 9-413:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Thu 23-401:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 5-2S$ 1,014
Sun 22-322:20
SIN
-
SEA
1 stop28h 20m
United Airlines
Sun 29-319:37
SEA
-
SIN
1 stop31h 58m
United Airlines
Deal found 4-2S$ 1,047
Direct flights from Singapore to Seattle
Explore direct flight options from Singapore to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 February 2026.
Tue 24-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Tue 31-310:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 6-2S$ 1,196
Thu 2-409:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Fri 17-410:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 5-2S$ 1,201
Sat 21-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Tue 31-310:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 5-2S$ 1,224
Sun 22-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Sun 29-310:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 5-2S$ 1,336
Sat 21-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Sat 28-309:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 3-2S$ 1,360
Sun 5-409:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Thu 9-410:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 4-2S$ 1,363
Thu 12-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Tue 17-309:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 5-2S$ 1,368
Sat 11-409:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Sun 26-410:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 7-2S$ 1,472
Last-minute flights from Singapore to Seattle
Discover last-minute flight deals from Singapore to Seattle. Data last updated 7 February 2026 and is based on user searches.
Wed 11-210:10
SIN
-
SEA
1 stop21h 34m
United Airlines
Sat 28-219:29
SEA
-
SIN
1 stop32h 46m
United Airlines
Deal found 4-2S$ 1,021
Thu 19-222:20
SIN
-
SEA
1 stop38h 41m
United Airlines
Sun 22-217:20
SEA
-
SIN
1 stop22h 40m
United Airlines
Deal found 5-2S$ 1,000
Thu 5-314:25
SIN
-
SEA
1 stop19h 45m
Multiple Airlines
Thu 30-419:04
SEA
-
SIN
2 stops26h 31m
Multiple Airlines
Deal found 7-2S$ 1,031
Thu 12-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Mon 16-301:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 5-2S$ 971
Wed 18-316:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Tue 24-309:45
SEA
-
SIN
Nonstop17h 00m
Multiple Airlines
Deal found 5-2S$ 912
Wed 18-316:30
SIN
-
SEA
2 stops31h 35m
Multiple Airlines
Tue 31-323:10
SEA
-
SIN
1 stop18h 55m
Multiple Airlines
Deal found 4-2S$ 949
Sun 22-314:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Sat 28-301:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 4-2S$ 1,004
Sun 22-302:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Sun 29-301:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 6-2S$ 1,009
Sun 22-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Sat 28-301:15
SEA
-
SIN
1 stop20h 20m
China Airlines
Deal found 5-2S$ 1,016
Mon 30-320:05
SIN
-
SEA
1 stop29h 00m
Cathay Pacific
Thu 16-411:45
SEA
-
SIN
1 stop26h 45m
Cathay Pacific
Deal found 7-2S$ 958
One-way flights from Singapore to Seattle
Search for one-way flight options from Singapore to Seattle. Find affordable one-way fares based on user searches. Data last updated 7 February 2026.
Wed 11-316:30
SIN
-
SEA
2 stops31h 35m
Hainan Airlines
Deal found 7-2S$ 531
Tue 16-609:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 5-2S$ 540
Fri 19-609:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 6-2S$ 541
Wed 13-516:35
SIN
-
SEA
2 stops31h 30m
Hainan Airlines
Deal found 5-2S$ 566
Wed 4-316:30
SIN
-
SEA
2 stops31h 35m
Hainan Airlines
Deal found 7-2S$ 577
Wed 1-416:35
SIN
-
SEA
2 stops31h 30m
Hainan Airlines
Deal found 5-2S$ 578
Tue 2-609:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 7-2S$ 587
Sat 30-509:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 6-2S$ 588
Thu 28-520:35
SIN
-
SEA
1 stop30h 56m
United Airlines
Deal found 6-2S$ 596
Fri 15-520:35
SIN
-
SEA
1 stop19h 37m
United Airlines
Deal found 4-2S$ 597
Wed 13-520:35
SIN
-
SEA
1 stop29h 08m
United Airlines
Deal found 7-2S$ 601
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 7 February 2026.
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 7 February 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
Mon 30-3
01:45-10:05
1 stop23h 20m
Seattle/Tacoma Intl
Thu 16-4
11:45-15:40
1 stop36h 55m
S$ 960
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 12-3
14:25-19:10
1 stop19h 45m
Seattle/Tacoma Intl
Mon 16-3
01:10-13:05
1 stop20h 55m
S$ 971
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 13-4
20:05-10:05
1 stop29h 00m
Seattle/Tacoma Intl
Thu 14-5
11:45-05:30
1 stop26h 45m
S$ 1,008
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 22-3
02:00-19:10
1 stop32h 10m
Seattle/Tacoma Intl
Sun 29-3
01:15-12:35
1 stop20h 20m
S$ 1,009
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 9-4
13:45-19:15
1 stop20h 30m
Seattle/Tacoma Intl
Thu 23-4
01:15-12:35
1 stop20h 20m
S$ 1,014
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 5-3
14:25-18:10
1 stop19h 45m
Seattle/Tacoma Intl
Thu 30-4
19:04-12:35
2 stops26h 31m
S$ 1,031
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Tue 24-3
22:20-20:58
1 stop37h 38m
Seattle/Tacoma Intl
Tue 31-3
19:37-18:35
1 stop31h 58m
S$ 1,046
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 26-3
22:20-11:40
1 stop28h 20m
Seattle/Tacoma Intl
Mon 30-3
07:12-18:35
1 stop20h 23m
S$ 1,047
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 22-3
22:20-11:40
1 stop28h 20m
Seattle/Tacoma Intl
Sun 29-3
19:37-18:35
1 stop31h 58m
S$ 1,047
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 29-5
20:35-00:44
1 stop19h 09m
S$ 596
Flights are sorted by cheapest return flights first.
Deals found on 6-2
Showing 1-10 of 19 results
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.
SIN-SEA
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
Prices
Delays
More
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 30 January 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 S$ 753). 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 7 February 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 often are flights from Singapore to Seattle delayed?
About 19% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 97 minutes.
What is the most punctual flight time for Singapore to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Singapore to Seattle flights?
Over the past year, Singapore Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.
What’s the top stopover airport for flights from Singapore to Seattle?
Share of one-stop return flights from Singapore to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Taipei City (TPE) – chosen by Cheapflights users on 62% of one-stop itineraries from Singapore to Seattle on Cheapflights.
What’s the cheapest stopover airport for flights from Singapore to Seattle?
Average return fare for one-stop flights from Singapore to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of S$ 1,087.
What’s the fastest stopover option from Singapore to Seattle?
Shortest average travel time for one-stop one-way flights from Singapore to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Tokyo (NRT) have the shortest average one-way travel time for one-stop routes: 17h 23m.
Which airport typically offers the quickest stopover for flights from Singapore to Seattle?
Average stopover duration for one-stop one-way flights from Singapore to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Tokyo (NRT) offer the fastest connection on this route, with an average stopover time of 2h 03m.
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 7 February 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.
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.
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.
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.
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.
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.
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 90 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 19h 45m. Fly via Cathay Pacific 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 flying from Singapore to Seattle round-trip?
Flying on China Airlines is currently your cheapest option to Seattle, with prices starting at S$ 531. Additional round-trip tickets that might be worth considering are offered by United Airlines and STARLUX Airlines, with the lowest prices starting at S$ 824 and S$ 945, 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$ 509. United Airlines flights start at S$ 584 while deals on STARLUX Airlines start at S$ 601 one-way.
What are the cheapest flights from Singapore to Seattle?
On average you can expect to pay S$ 1,661 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 1,278 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 960.
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 S$ 753). 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.
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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 7 February 2026.
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 7 February 2026.
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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