Cheap flights from Singapore to Seattle from S$ 527
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 19-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
11 Dec — 18 Dec1
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 September or February, booked 5 days in advance, depart on a Wednesday or Monday 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 11 November 2025.
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 11 November 2025.
Wed 24-1216:30SIN - SEA
2 stops31h 35mMultiple Airlines
Wed 28-121:30SEA - SIN
1 stop23h 30mMultiple Airlines
Deal found 9-11S$ 965
Sat 22-1110:10SIN - SEA
1 stop22h 05mUnited Airlines
Tue 2-1207:00SEA - SIN
1 stop21h 15mUnited Airlines
Deal found 11-11S$ 1,002
Wed 12-1110:10SIN - SEA
1 stop24h 15mUnited Airlines
Mon 17-1114:40SEA - SIN
1 stop25h 20mUnited Airlines
Deal found 10-11S$ 1,011
Sun 23-1102:00SIN - SEA
1 stop32h 10mChina Airlines
Mon 8-1200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 9-11S$ 1,037
Thu 18-1215:45SIN - SEA
1 stop18h 25mEVA Air
Sat 3-100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 10-11S$ 1,043
Wed 12-1113:15SIN - SEA
1 stop20h 55mEVA Air
Thu 13-1100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 9-11S$ 1,050
Fri 21-1114:45SIN - SEA
1 stop16h 20mSTARLUX Airlines
Sat 29-1123:45SEA - SIN
1 stop21h 40mSTARLUX Airlines
Deal found 10-11S$ 1,063
Wed 12-1115:45SIN - SEA
1 stop18h 25mEVA Air
Sun 16-1100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 10-11S$ 1,064
Wed 17-1202:00SIN - SEA
1 stop32h 10mChina Airlines
Sat 3-100:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 10-11S$ 1,072
Wed 24-1213:15SIN - SEA
1 stop20h 55mEVA Air
Tue 30-1200:10SEA - SIN
1 stop22h 20mEVA Air
Deal found 9-11S$ 1,074
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 11 November 2025.
Sat 22-1122:20SIN - SEA
1 stop33h 55mUnited Airlines
Tue 2-1207:00SEA - SIN
1 stop21h 15mUnited Airlines
Deal found 9-11S$ 1,003
Wed 11-302:00SIN - SEA
1 stop32h 10mChina Airlines
Sun 15-301:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 8-11S$ 1,008
Wed 24-1215:45SIN - SEA
1 stop18h 25mEVA Air
Tue 30-1200:10SEA - SIN
1 stop22h 20mEVA Air
Deal found 8-11S$ 1,097
Thu 26-310:40SIN - SEA
1 stop18h 40mDelta
Sun 19-412:45SEA - SIN
1 stop25h 15mDelta
Deal found 11-11S$ 1,100
Sat 22-1122:20SIN - SEA
1 stop31h 18mUnited Airlines
Sun 30-1107:00SEA - SIN
1 stop21h 15mUnited Airlines
Deal found 9-11S$ 1,003
Wed 25-322:30SIN - SEA
1 stop30h 50mDelta
Wed 15-412:45SEA - SIN
1 stop25h 15mDelta
Deal found 10-11S$ 1,102
Wed 25-310:40SIN - SEA
1 stop18h 40mDelta
Sat 18-412:45SEA - SIN
1 stop19h 55mDelta
Deal found 10-11S$ 1,102
Tue 24-310:40SIN - SEA
1 stop18h 40mDelta
Sat 18-412:45SEA - SIN
1 stop19h 55mDelta
Deal found 10-11S$ 1,102
Sat 28-310:40SIN - SEA
1 stop18h 40mDelta
Sat 18-412:45SEA - SIN
1 stop40h 10mDelta
Deal found 10-11S$ 1,102
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 11 November 2025.
Thu 26-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Thu 16-410:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 10-11S$ 1,156
Sat 21-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 31-310:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 9-11S$ 1,160
Tue 24-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 3-510:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 9-11S$ 1,197
Sat 7-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Thu 19-309:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 9-11S$ 1,381
Fri 23-109:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 27-208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 9-11S$ 1,457
Thu 4-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 9-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 10-11S$ 1,489
Tue 3-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Thu 12-309:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 11-11S$ 1,494
Thu 18-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 4-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 10-11S$ 1,498
Thu 25-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Thu 1-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 10-11S$ 1,503
Sun 22-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 24-309:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 9-11S$ 1,608
Last-minute flights from Singapore to Seattle
Discover last-minute flight deals from Singapore to Seattle. Data last updated 11 November 2025 and is based on user searches.
Wed 12-1110:10SIN - SEA
1 stop24h 15mUnited Airlines
Mon 17-1114:40SEA - SIN
1 stop25h 20mUnited Airlines
Deal found 10-11S$ 1,011
Wed 12-1113:15SIN - SEA
1 stop20h 55mEVA Air
Thu 13-1100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 9-11S$ 1,050
Wed 12-1115:45SIN - SEA
1 stop18h 25mEVA Air
Sun 16-1100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 10-11S$ 1,064
Fri 21-1114:45SIN - SEA
1 stop16h 20mSTARLUX Airlines
Sat 29-1123:45SEA - SIN
1 stop21h 40mSTARLUX Airlines
Deal found 10-11S$ 1,063
Sat 22-1110:10SIN - SEA
1 stop29h 34mUnited Airlines
Sun 30-1114:40SEA - SIN
1 stop37h 35mUnited Airlines
Deal found 11-11S$ 1,002
Sat 22-1122:20SIN - SEA
1 stop29h 58mUnited Airlines
Tue 2-1213:05SEA - SIN
1 stop26h 55mUnited Airlines
Deal found 10-11S$ 1,003
Sun 23-1102:00SIN - SEA
1 stop32h 10mChina Airlines
Mon 8-1200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 9-11S$ 1,037
Wed 17-1202:00SIN - SEA
1 stop32h 10mChina Airlines
Sat 3-100:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 10-11S$ 1,072
Thu 18-1215:45SIN - SEA
1 stop18h 25mEVA Air
Sat 3-100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 10-11S$ 1,043
Wed 24-1216:30SIN - SEA
2 stops31h 35mMultiple Airlines
Wed 28-121:30SEA - SIN
1 stop23h 30mMultiple Airlines
Deal found 9-11S$ 965
Wed 24-1213:15SIN - SEA
1 stop20h 55mEVA Air
Tue 30-1200:10SEA - SIN
1 stop22h 20mEVA Air
Deal found 9-11S$ 1,074
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 11 November 2025.
Wed 19-1116:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 10-11S$ 527
Tue 23-1204:40SIN - SEA
2 stops43h 25mHainan Airlines
Deal found 9-11S$ 547
Tue 27-104:40SIN - SEA
2 stops43h 25mHainan Airlines
Deal found 10-11S$ 556
Tue 25-1104:40SIN - SEA
2 stops43h 25mHainan Airlines
Deal found 11-11S$ 561
Wed 11-316:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 11-11S$ 564
Sat 13-1202:00SIN - SEA
1 stop32h 10mChina Airlines
Deal found 9-11S$ 595
Wed 26-1110:10SIN - SEA
1 stop29h 34mUnited Airlines
Deal found 11-11S$ 596
Sun 16-1122:20SIN - SEA
1 stop26h 03mUnited Airlines
Deal found 9-11S$ 598
Sat 2-501:50SIN - SEA
2 stops29h 20mMultiple Airlines
Deal found 10-11S$ 623
Thu 12-313:35SIN - SEA
2 stops41h 30mMultiple Airlines
Deal found 11-11S$ 629
Mon 23-301:55SIN - SEA
2 stops29h 10mMultiple Airlines
Deal found 9-11S$ 630
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 11 November 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
Sat 22-11
22:20-16:15
1 stop33h 55m
Seattle/Tacoma Intl
Tue 2-12
07:00-20:15
1 stop21h 15m
S$ 1,003
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 22-11
22:20-13:38
1 stop31h 18m
Seattle/Tacoma Intl
Sun 30-11
07:00-20:15
1 stop21h 15m
S$ 1,003
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 11-3
02:00-19:10
1 stop32h 10m
Seattle/Tacoma Intl
Sun 15-3
01:10-13:05
1 stop20h 55m
S$ 1,008
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 24-12
15:45-18:10
1 stop18h 25m
Seattle/Tacoma Intl
Tue 30-12
00:10-14:30
1 stop22h 20m
S$ 1,097
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 26-3
10:40-14:20
1 stop18h 40m
Seattle/Tacoma Intl
Sun 19-4
12:45-05:00
1 stop25h 15m
S$ 1,100
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 25-3
22:30-14:20
1 stop30h 50m
Seattle/Tacoma Intl
Wed 15-4
12:45-05:00
1 stop25h 15m
S$ 1,102
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 25-3
10:40-14:20
1 stop18h 40m
Seattle/Tacoma Intl
Sat 18-4
12:45-23:40
1 stop19h 55m
S$ 1,102
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Tue 24-3
10:40-14:20
1 stop18h 40m
Seattle/Tacoma Intl
Sat 18-4
12:45-23:40
1 stop19h 55m
S$ 1,102
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 28-3
10:40-14:20
1 stop18h 40m
Seattle/Tacoma Intl
Sat 18-4
12:45-19:55
1 stop40h 10m
S$ 1,102
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 26-11
10:10-23:44
1 stop29h 34m
S$ 596
Flights are sorted by cheapest return flights first.
Deals found on 11-11
Showing 1-10 of 21 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 7 November 2025.
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 5 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$ 793). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,145). 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 11 November 2025.
One of the essential ways to save on airfare from Singapore to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 28% on airfare.
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 at midday when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 101 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?
Sunday 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 63% of one-stop itineraries from Singapore to Seattle on Cheapflights.
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.
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 11 November 2025.
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.
Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
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 148 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 United 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 flying from Singapore to Seattle round-trip?
Flying on United Airlines is currently your cheapest option to Seattle, with prices starting at S$ 843. Additional round-trip tickets that might be worth considering are offered by STARLUX Airlines and China Airlines, with the lowest prices starting at S$ 967 and S$ 996, respectively. You may be able to fly from Singapore to Seattle for 28% less than the average price by searching for these airlines.
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$ 793). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,145). 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.
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 11 November 2025.
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 11 November 2025.
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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