Cheap flights from Singapore to Seattle from S$ 526
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 10-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
21 Feb — 28 Feb1
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
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 22 January 2026.
Wed 4-316:30
SIN
-
SEA
2 stops31h 35m
Hainan Airlines
Thu 12-311:05
SEA
-
SIN
2 stops25h 05m
Hainan Airlines
Deal found 19-1S$ 883
Sun 15-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Tue 24-301:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 20-1S$ 928
Sun 24-502:00
SIN
-
SEA
1 stop32h 15m
China Airlines
Sat 4-701:55
SEA
-
SIN
1 stop19h 40m
China Airlines
Deal found 21-1S$ 947
Mon 16-202:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Mon 23-200:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 20-1S$ 949
Wed 4-312:15
SIN
-
SEA
2 stops35h 50m
Multiple Airlines
Thu 12-309:45
SEA
-
SIN
Nonstop17h 00m
Multiple Airlines
Deal found 19-1S$ 952
Mon 1-613:45
SIN
-
SEA
1 stop20h 30m
China Airlines
Tue 30-601:55
SEA
-
SIN
1 stop19h 40m
China Airlines
Deal found 21-1S$ 982
Wed 18-210:10
SIN
-
SEA
1 stop26h 51m
United Airlines
Wed 25-205:05
SEA
-
SIN
1 stop34h 55m
United Airlines
Deal found 19-1S$ 1,000
Wed 11-222:20
SIN
-
SEA
1 stop28h 58m
United Airlines
Mon 16-217:20
SEA
-
SIN
1 stop22h 40m
United Airlines
Deal found 21-1S$ 1,001
Tue 17-214:25
SIN
-
SEA
1 stop19h 45m
Multiple Airlines
Tue 24-208:45
SEA
-
SIN
Nonstop17h 00m
Multiple Airlines
Deal found 20-1S$ 1,010
Thu 26-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Sun 29-301:15
SEA
-
SIN
1 stop32h 20m
China Airlines
Deal found 20-1S$ 1,012
Wed 4-314:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Wed 11-300:45
SEA
-
SIN
1 stop21h 40m
STARLUX Airlines
Deal found 21-1S$ 1,018
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 22 January 2026.
Sun 15-314:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Tue 24-301:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 20-1S$ 928
Wed 18-210:10
SIN
-
SEA
1 stop26h 51m
United Airlines
Wed 25-205:05
SEA
-
SIN
1 stop34h 55m
United Airlines
Deal found 19-1S$ 1,000
Sat 21-323:10
SIN
-
SEA
1 stop30h 45m
Asiana Airlines
Mon 30-300:55
SEA
-
SIN
1 stop29h 35m
Asiana Airlines
Deal found 20-1S$ 1,018
Mon 13-413:45
SIN
-
SEA
1 stop20h 30m
Multiple Airlines
Thu 14-518:59
SEA
-
SIN
2 stops26h 36m
Multiple Airlines
Deal found 20-1S$ 1,065
Fri 27-214:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Mon 30-301:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 21-1S$ 1,089
Wed 25-210:40
SIN
-
SEA
1 stop18h 40m
Delta
Tue 31-313:00
SEA
-
SIN
1 stop19h 40m
Delta
Deal found 20-1S$ 1,099
Wed 25-302:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Sun 29-301:15
SEA
-
SIN
1 stop32h 20m
China Airlines
Deal found 19-1S$ 1,010
Thu 26-322:20
SIN
-
SEA
1 stop32h 54m
United Airlines
Mon 30-319:37
SEA
-
SIN
1 stop31h 58m
United Airlines
Deal found 21-1S$ 1,047
Thu 5-314:25
SIN
-
SEA
1 stop19h 45m
Multiple Airlines
Thu 30-419:04
SEA
-
SIN
2 stops26h 31m
Multiple Airlines
Deal found 20-1S$ 1,069
Sun 15-314:25
SIN
-
SEA
1 stop19h 45m
Multiple Airlines
Thu 19-311:05
SEA
-
SIN
2 stops25h 05m
Multiple Airlines
Deal found 20-1S$ 1,095
Tue 17-210:10
SIN
-
SEA
2 stops27h 02m
United Airlines
Tue 24-217:20
SEA
-
SIN
1 stop22h 40m
United Airlines
Deal found 20-1S$ 1,116
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 22 January 2026.
Fri 20-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Tue 31-310:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 21-1S$ 1,146
Sat 21-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Tue 31-310:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 20-1S$ 1,195
Thu 5-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Thu 30-410:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 20-1S$ 1,302
Fri 6-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Fri 13-309:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 19-1S$ 1,352
Fri 27-209:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Tue 31-310:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 20-1S$ 1,356
Fri 20-209:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Fri 27-208:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 21-1S$ 1,470
Tue 17-209:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Tue 24-208:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 20-1S$ 1,519
Sat 7-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Sat 14-309:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 21-1S$ 1,629
Sun 15-309:00
SIN
-
SEA
Nonstop14h 10m
Singapore Airlines
Thu 19-309:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 20-1S$ 1,705
Last-minute flights from Singapore to Seattle
Discover last-minute flight deals from Singapore to Seattle. Data last updated 22 January 2026 and is based on user searches.
Tue 3-204:40
SIN
-
SEA
2 stops43h 25m
Multiple Airlines
Mon 30-300:55
SEA
-
SIN
1 stop29h 35m
Multiple Airlines
Deal found 20-1S$ 1,036
Wed 4-214:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Mon 30-301:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 20-1S$ 1,028
Wed 11-222:20
SIN
-
SEA
1 stop28h 58m
United Airlines
Mon 16-217:20
SEA
-
SIN
1 stop22h 40m
United Airlines
Deal found 21-1S$ 1,001
Mon 16-202:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Mon 23-200:10
SEA
-
SIN
1 stop20h 55m
China Airlines
Deal found 20-1S$ 949
Tue 17-214:25
SIN
-
SEA
1 stop19h 45m
Multiple Airlines
Tue 24-208:45
SEA
-
SIN
Nonstop17h 00m
Multiple Airlines
Deal found 20-1S$ 1,010
Tue 17-210:10
SIN
-
SEA
2 stops27h 02m
United Airlines
Tue 24-217:20
SEA
-
SIN
1 stop22h 40m
United Airlines
Deal found 20-1S$ 1,116
Wed 18-210:10
SIN
-
SEA
1 stop26h 51m
United Airlines
Wed 25-205:05
SEA
-
SIN
1 stop34h 55m
United Airlines
Deal found 19-1S$ 1,000
Wed 18-212:15
SIN
-
SEA
2 stops35h 50m
Multiple Airlines
Wed 25-215:45
SEA
-
SIN
1 stop23h 10m
Multiple Airlines
Deal found 19-1S$ 1,104
Wed 25-210:40
SIN
-
SEA
1 stop18h 40m
Delta
Tue 31-313:00
SEA
-
SIN
1 stop19h 40m
Delta
Deal found 20-1S$ 1,099
Fri 27-214:45
SIN
-
SEA
1 stop16h 20m
STARLUX Airlines
Mon 30-301:15
SEA
-
SIN
1 stop20h 25m
STARLUX Airlines
Deal found 20-1S$ 1,049
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 22 January 2026.
Sun 10-509:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 22-1S$ 526
Wed 28-116:30
SIN
-
SEA
2 stops31h 35m
Hainan Airlines
Deal found 20-1S$ 540
Wed 4-312:15
SIN
-
SEA
2 stops35h 50m
Hainan Airlines
Deal found 21-1S$ 546
Wed 4-202:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Deal found 20-1S$ 605
Wed 18-202:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Deal found 19-1S$ 617
Sun 22-302:00
SIN
-
SEA
1 stop32h 10m
China Airlines
Deal found 21-1S$ 619
Tue 27-114:25
SIN
-
SEA
1 stop19h 45m
China Airlines
Deal found 21-1S$ 630
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 22 January 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 22 January 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
Sun 15-3
14:25-19:10
1 stop19h 45m
Seattle/Tacoma Intl
Tue 24-3
01:10-13:05
1 stop20h 55m
S$ 928
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 18-2
10:10-21:01
1 stop26h 51m
Seattle/Tacoma Intl
Wed 25-2
05:05-08:00
1 stop34h 55m
S$ 1,000
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 25-3
02:00-19:10
1 stop32h 10m
Seattle/Tacoma Intl
Sun 29-3
01:15-00:35
1 stop32h 20m
S$ 1,010
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 21-3
23:10-14:55
1 stop30h 45m
Seattle/Tacoma Intl
Mon 30-3
00:55-21:30
1 stop29h 35m
S$ 1,018
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 26-3
22:20-16:14
1 stop32h 54m
Seattle/Tacoma Intl
Mon 30-3
19:37-18:35
1 stop31h 58m
S$ 1,047
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 13-4
13:45-19:15
1 stop20h 30m
Seattle/Tacoma Intl
Thu 14-5
18:59-12:35
2 stops26h 36m
S$ 1,065
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$ 1,069
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 27-2
14:45-15:05
1 stop16h 20m
Seattle/Tacoma Intl
Mon 30-3
01:15-12:40
1 stop20h 25m
S$ 1,089
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 15-3
14:25-19:10
1 stop19h 45m
Seattle/Tacoma Intl
Thu 19-3
11:05-03:10
2 stops25h 05m
S$ 1,095
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 25-2
10:40-13:20
1 stop18h 40m
Seattle/Tacoma Intl
Tue 31-3
13:00-23:40
1 stop19h 40m
S$ 1,099
Flights are sorted by cheapest return flights first.
Deals found on 20-1
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
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 16 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$ 760). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,144). 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 22 January 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 20% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 96 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?
Tuesday 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 20% 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$ 1,096.
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 22 January 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 94 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 China Airlines, United Airlines, or Asiana 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$ 536. Additional round-trip tickets that might be worth considering are offered by United Airlines and STARLUX Airlines, with the lowest prices starting at S$ 831 and S$ 953, 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 United Airlines, which is currently one of the cheapest options available, starting at S$ 560. Singapore Airlines flights start at S$ 587 while deals on STARLUX Airlines start at S$ 606 one-way.
What are the cheapest flights from Singapore to Seattle?
On average you can expect to pay S$ 1,940 for a flight from Singapore to Seattle. The cheapest flight overall is S$ 1,599 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at S$ 1,047.
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$ 760). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,144). 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.
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 22 January 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 22 January 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.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.