Cheap flights from Singapore to Seattle from S$ 525
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
8 Feb — 15 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 Thursday and return on a Monday
Cheap 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 9 January 2026.
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 9 January 2026.
Wed 11-316:30SIN - SEA
2 stops31h 35mHainan Airlines
Thu 26-311:05SEA - SIN
2 stops25h 05mHainan Airlines
Deal found 7-1S$ 878
Mon 9-214:25SIN - SEA
1 stop19h 45mChina Airlines
Mon 23-200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 6-1S$ 941
Tue 10-314:25SIN - SEA
1 stop19h 45mChina Airlines
Tue 24-301:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 6-1S$ 943
Thu 22-114:25SIN - SEA
1 stop19h 45mChina Airlines
Sun 1-200:10SEA - SIN
1 stop32h 30mChina Airlines
Deal found 6-1S$ 948
Mon 9-214:25SIN - SEA
1 stop19h 45mChina Airlines
Tue 24-200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 7-1S$ 950
Wed 18-202:00SIN - SEA
1 stop32h 10mChina Airlines
Mon 23-200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 8-1S$ 952
Sat 21-314:25SIN - SEA
1 stop19h 45mChina Airlines
Mon 30-301:15SEA - SIN
1 stop20h 20mChina Airlines
Deal found 7-1S$ 970
Thu 12-314:25SIN - SEA
1 stop19h 45mChina Airlines
Thu 26-301:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 8-1S$ 973
Sat 14-302:00SIN - SEA
1 stop32h 10mChina Airlines
Mon 30-301:15SEA - SIN
1 stop20h 20mChina Airlines
Deal found 5-1S$ 981
Sat 7-214:25SIN - SEA
1 stop19h 45mChina Airlines
Sun 8-200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 6-1S$ 982
Sun 5-402:00SIN - SEA
1 stop32h 15mChina Airlines
Thu 7-501:15SEA - SIN
1 stop32h 20mChina Airlines
Deal found 8-1S$ 985
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 9 January 2026.
Sat 14-302:00SIN - SEA
1 stop32h 10mChina Airlines
Mon 30-301:15SEA - SIN
1 stop20h 20mChina Airlines
Deal found 5-1S$ 981
Fri 6-310:10SIN - SEA
1 stop24h 22mUnited Airlines
Sat 7-305:00SEA - SIN
1 stop23h 15mUnited Airlines
Deal found 6-1S$ 999
Tue 7-413:45SIN - SEA
1 stop20h 30mChina Airlines
Tue 5-501:15SEA - SIN
1 stop20h 20mChina Airlines
Deal found 8-1S$ 985
Sat 14-210:10SIN - SEA
1 stop21h 31mUnited Airlines
Wed 25-212:32SEA - SIN
1 stop27h 28mUnited Airlines
Deal found 6-1S$ 999
Thu 26-314:25SIN - SEA
1 stop19h 45mChina Airlines
Sun 29-301:15SEA - SIN
1 stop20h 20mChina Airlines
Deal found 7-1S$ 985
Fri 6-310:10SIN - SEA
1 stop22h 04mUnited Airlines
Fri 6-319:34SEA - SIN
1 stop32h 41mUnited Airlines
Deal found 6-1S$ 999
Fri 10-402:00SIN - SEA
1 stop32h 15mChina Airlines
Tue 5-501:15SEA - SIN
1 stop32h 20mChina Airlines
Deal found 8-1S$ 985
Wed 4-222:20SIN - SEA
1 stop36h 07mUnited Airlines
Wed 11-206:03SEA - SIN
1 stop22h 12mUnited Airlines
Deal found 7-1S$ 1,004
Thu 9-413:45SIN - SEA
1 stop20h 30mChina Airlines
Mon 4-501:10SEA - SIN
1 stop20h 25mChina Airlines
Deal found 8-1S$ 985
Thu 9-413:45SIN - SEA
1 stop20h 30mChina Airlines
Thu 7-501:10SEA - SIN
1 stop20h 25mChina Airlines
Deal found 8-1S$ 985
Thu 9-413:45SIN - SEA
1 stop20h 30mChina Airlines
Sun 3-501:15SEA - SIN
1 stop32h 20mChina Airlines
Deal found 8-1S$ 985
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 9 January 2026.
Fri 20-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 27-309:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 7-1S$ 1,108
Sat 21-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 31-310:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 8-1S$ 1,112
Thu 2-409:00SIN - SEA
Nonstop14h 45mSingapore Airlines
Thu 16-410:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 7-1S$ 1,116
Thu 19-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 24-208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 8-1S$ 1,170
Fri 6-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sat 21-208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 7-1S$ 1,200
Fri 8-509:00SIN - SEA
Nonstop14h 45mSingapore Airlines
Sun 2-810:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 6-1S$ 1,257
Fri 20-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 27-208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 5-1S$ 1,291
Sat 14-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 24-208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 6-1S$ 1,315
Last-minute flights from Singapore to Seattle
Discover last-minute flight deals from Singapore to Seattle. Data last updated 9 January 2026 and is based on user searches.
Tue 13-110:10SIN - SEA
1 stop27h 02mUnited Airlines
Sun 18-112:35SEA - SIN
1 stop39h 40mUnited Airlines
Deal found 6-1S$ 1,000
Tue 13-115:45SIN - SEA
1 stop18h 25mMultiple Airlines
Sun 18-108:45SEA - SIN
Nonstop17h 00mMultiple Airlines
Deal found 6-1S$ 2,687
Wed 14-122:20SIN - SEA
1 stop33h 24mUnited Airlines
Sat 17-112:35SEA - SIN
2 stops50h 20mUnited Airlines
Deal found 7-1S$ 1,157
Wed 14-122:20SIN - SEA
1 stop31h 00mANA
Sat 17-115:45SEA - SIN
1 stop41h 10mANA
Deal found 7-1S$ 1,238
Wed 14-106:40SIN - SEA
2 stops28h 00mMultiple Airlines
Sat 17-110:00SEA - SIN
3 stops36h 00mMultiple Airlines
Deal found 7-1S$ 1,544
Thu 15-113:15SIN - SEA
1 stop20h 55mEVA Air
Sat 17-123:30SEA - SIN
1 stop20h 35mEVA Air
Deal found 6-1S$ 1,079
Thu 15-115:45SIN - SEA
1 stop18h 25mMultiple Airlines
Sat 17-108:45SEA - SIN
Nonstop17h 00mMultiple Airlines
Deal found 6-1S$ 2,982
Thu 15-109:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sat 17-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 6-1S$ 3,152
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 9 January 2026.
Wed 11-316:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 6-1S$ 525
Tue 27-104:40SIN - SEA
2 stops43h 25mHainan Airlines
Deal found 7-1S$ 541
Wed 25-304:40SIN - SEA
2 stops43h 25mHainan Airlines
Deal found 5-1S$ 543
Wed 18-316:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 6-1S$ 554
Wed 15-412:05SIN - SEA
2 stops36h 00mHainan Airlines
Deal found 6-1S$ 563
Thu 5-214:25SIN - SEA
1 stop19h 45mChina Airlines
Deal found 6-1S$ 614
Sun 25-114:25SIN - SEA
1 stop19h 45mChina Airlines
Deal found 8-1S$ 615
Sun 15-321:30SIN - SEA
2 stops33h 35mMultiple Airlines
Deal found 8-1S$ 620
Wed 4-201:55SIN - SEA
2 stops29h 10mMultiple Airlines
Deal found 6-1S$ 628
Tue 31-320:05SIN - SEA
1 stop29h 05mCathay Pacific
Deal found 5-1S$ 629
Thu 11-613:45SIN - SEA
1 stop20h 30mChina Airlines
Deal found 8-1S$ 631
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 9 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
Sat 14-3
02:00-19:10
1 stop32h 10m
Seattle/Tacoma Intl
Mon 30-3
01:15-12:35
1 stop20h 20m
S$ 981
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Tue 7-4
13:45-19:15
1 stop20h 30m
Seattle/Tacoma Intl
Tue 5-5
01:15-12:35
1 stop20h 20m
S$ 985
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 26-3
14:25-19:10
1 stop19h 45m
Seattle/Tacoma Intl
Sun 29-3
01:15-12:35
1 stop20h 20m
S$ 985
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 10-4
02:00-19:15
1 stop32h 15m
Seattle/Tacoma Intl
Tue 5-5
01:15-00:35
1 stop32h 20m
S$ 985
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 9-4
13:45-19:15
1 stop20h 30m
Seattle/Tacoma Intl
Mon 4-5
01:10-12:35
1 stop20h 25m
S$ 985
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 9-4
13:45-19:15
1 stop20h 30m
Seattle/Tacoma Intl
Thu 7-5
01:10-12:35
1 stop20h 25m
S$ 985
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 9-4
13:45-19:15
1 stop20h 30m
Seattle/Tacoma Intl
Sun 3-5
01:15-00:35
1 stop32h 20m
S$ 985
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 6-3
10:10-18:32
1 stop24h 22m
Seattle/Tacoma Intl
Sat 7-3
05:00-20:15
1 stop23h 15m
S$ 999
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 14-2
10:10-15:41
1 stop21h 31m
Seattle/Tacoma Intl
Wed 25-2
12:32-08:00
1 stop27h 28m
S$ 999
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 6-3
10:10-16:14
1 stop22h 04m
Seattle/Tacoma Intl
Fri 6-3
19:34-20:15
1 stop32h 41m
S$ 999
Flights are sorted by cheapest return flights first.
Deals found on 7-1
Showing 1-10 of 23 results
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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 2 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$ 1,143). 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 9 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 much does it cost for a return flight from Singapore to Seattle?
How often are flights from Singapore to Seattle delayed?
About 21% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 99 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 21% 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 60% 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$ 1,097.
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 26m.
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 07m.
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 9 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 103 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 32h 10m. Fly via China Airlines to get the fastest option. There are 12970 km between Singapore and Seattle.
What are the cheapest airlines flying from Singapore to Seattle round-trip?
Flying on United Airlines is currently your cheapest option to Seattle, with prices starting at S$ 832. Additional round-trip tickets that might be worth considering are offered by STARLUX Airlines and EVA Air, with the lowest prices starting at S$ 954 and S$ 956, respectively. You may be able to fly from Singapore to Seattle for 25% 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$ 503. United Airlines flights start at S$ 561 while deals on STARLUX Airlines start at S$ 607 one-way.
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, 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$ 1,143). 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 9 January 2026.
Discover the top 6 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 9 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.
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