Cheap flights from Singapore to Seattle from S$ 530
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 10-12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
5 Dec — 12 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 5 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 5 November 2025.
Tue 18-1108:50SIN - SEA
1 stop26h 26mAir Canada
Wed 3-1220:00SEA - SIN
1 stop19h 00mAir Canada
Deal found 3-11S$ 768
Tue 11-1108:50SIN - SEA
1 stop21h 41mAir Canada
Wed 19-1115:40SEA - SIN
2 stops27h 35mAir Canada
Deal found 3-11S$ 769
Mon 10-1121:00SIN - SEA
2 stops33h 31mAir Canada
Wed 19-1110:05SEA - SIN
2 stops36h 45mAir Canada
Deal found 3-11S$ 815
Tue 11-1108:50SIN - SEA
1 stop21h 41mAir Canada
Thu 20-1120:00SEA - SIN
1 stop19h 00mAir Canada
Deal found 3-11S$ 816
Tue 18-1108:50SIN - SEA
1 stop26h 26mAir Canada
Thu 27-1115:40SEA - SIN
1 stop23h 20mAir Canada
Deal found 4-11S$ 844
Thu 18-1208:50SIN - SEA
1 stop21h 41mAir Canada
Thu 22-120:00SEA - SIN
1 stop19h 00mAir Canada
Deal found 3-11S$ 895
Tue 11-1121:00SIN - SEA
2 stops28h 31mAir Canada
Tue 18-1110:05SEA - SIN
2 stops22h 50mAir Canada
Deal found 3-11S$ 948
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 5 November 2025.
Mon 6-401:50SIN - SEA
1 stop23h 20mCathay Pacific
Mon 27-411:50SEA - SIN
1 stop33h 35mCathay Pacific
Deal found 3-11S$ 903
Mon 23-300:40SIN - SEA
1 stop34h 00mPhilippine Airlines
Sun 12-423:55SEA - SIN
1 stop18h 45mPhilippine Airlines
Deal found 3-11S$ 917
Sat 22-1122:20SIN - SEA
1 stop26h 03mUnited Airlines
Tue 2-1207:00SEA - SIN
1 stop21h 15mUnited Airlines
Deal found 4-11S$ 1,003
Wed 11-302:00SIN - SEA
1 stop32h 10mChina Airlines
Sun 15-301:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 4-11S$ 1,007
Wed 25-300:40SIN - SEA
1 stop34h 00mPhilippine Airlines
Fri 17-423:55SEA - SIN
1 stop32h 15mPhilippine Airlines
Deal found 3-11S$ 917
Sun 29-318:00SIN - SEA
1 stop31h 10mCathay Pacific
Thu 16-411:50SEA - SIN
1 stop33h 35mCathay Pacific
Deal found 3-11S$ 923
Tue 27-110:10SIN - SEA
1 stop21h 34mUnited Airlines
Mon 9-209:25SEA - SIN
1 stop30h 35mUnited Airlines
Deal found 4-11S$ 1,003
Sun 29-318:00SIN - SEA
1 stop31h 10mCathay Pacific
Tue 14-411:50SEA - SIN
1 stop36h 35mCathay Pacific
Deal found 3-11S$ 923
Wed 19-1102:00SIN - SEA
1 stop32h 10mChina Airlines
Thu 4-1200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 4-11S$ 1,041
Fri 20-322:20SIN - SEA
1 stop40h 02mUnited Airlines
Wed 29-406:57SEA - SIN
1 stop20h 28mUnited Airlines
Deal found 4-11S$ 1,050
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 5 November 2025.
Sat 21-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 31-310:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 2-11S$ 1,008
Thu 5-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Thu 9-410:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 4-11S$ 1,014
Tue 3-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 7-410:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 3-11S$ 1,127
Fri 19-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 4-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 4-11S$ 1,287
Tue 3-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 15-309:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 4-11S$ 1,345
Fri 5-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 4-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 4-11S$ 1,375
Fri 19-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 2-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 3-11S$ 1,387
Thu 20-1109:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 5-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 4-11S$ 1,421
Sun 1-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 13-309:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 3-11S$ 1,422
Sat 20-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sat 24-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 4-11S$ 1,467
Thu 18-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 2-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 4-11S$ 1,550
Last-minute flights from Singapore to Seattle
Discover last-minute flight deals from Singapore to Seattle. Data last updated 5 November 2025 and is based on user searches.
Mon 10-1121:00SIN - SEA
2 stops33h 31mAir Canada
Wed 19-1110:05SEA - SIN
2 stops36h 45mAir Canada
Deal found 3-11S$ 815
Mon 10-1113:15SIN - SEA
1 stop20h 55mEVA Air
Tue 18-1100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 3-11S$ 1,092
Tue 11-1108:50SIN - SEA
1 stop21h 41mAir Canada
Wed 19-1115:40SEA - SIN
2 stops27h 35mAir Canada
Deal found 3-11S$ 769
Tue 11-1108:50SIN - SEA
1 stop21h 41mAir Canada
Thu 20-1120:00SEA - SIN
1 stop19h 00mAir Canada
Deal found 3-11S$ 816
Tue 11-1121:00SIN - SEA
2 stops28h 31mAir Canada
Tue 18-1110:05SEA - SIN
2 stops22h 50mAir Canada
Deal found 3-11S$ 948
Tue 11-1120:10SIN - SEA
1 stop38h 30mPhilippine Airlines
Wed 19-1121:30SEA - SIN
1 stop23h 30mPhilippine Airlines
Deal found 3-11S$ 1,014
Tue 11-1114:25SIN - SEA
1 stop19h 45mChina Airlines
Mon 17-1100:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 3-11S$ 1,032
Tue 11-1121:00SIN - SEA
2 stops38h 16mMultiple Airlines
Thu 20-1112:41SEA - SIN
2 stops26h 19mMultiple Airlines
Deal found 3-11S$ 1,063
Tue 11-1113:15SIN - SEA
1 stop20h 15mEVA Air
Tue 18-1100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 3-11S$ 1,080
Fri 14-1110:10SIN - SEA
1 stop38h 13mUnited Airlines
Fri 28-1107:00SEA - SIN
1 stop21h 15mUnited Airlines
Deal found 3-11S$ 1,006
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 5 November 2025.
Wed 10-1216:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 4-11S$ 530
Tue 11-1104:40SIN - SEA
2 stops43h 25mHainan Airlines
Deal found 4-11S$ 550
Wed 25-316:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 5-11S$ 558
Sun 23-1123:55SIN - SEA
2 stops47h 07mMultiple Airlines
Deal found 3-11S$ 575
Mon 24-1108:55SIN - SEA
3 stops40h 04mMultiple Airlines
Deal found 4-11S$ 596
Wed 12-1122:20SIN - SEA
1 stop33h 55mUnited Airlines
Deal found 4-11S$ 598
Sat 22-1122:20SIN - SEA
1 stop33h 55mUnited Airlines
Deal found 3-11S$ 600
Fri 12-1202:00SIN - SEA
1 stop32h 10mChina Airlines
Deal found 3-11S$ 601
Thu 20-1110:10SIN - SEA
1 stop22h 05mUnited Airlines
Deal found 4-11S$ 605
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 5 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
Mon 6-4
01:50-10:10
1 stop23h 20m
Seattle/Tacoma Intl
Mon 27-4
11:50-12:25
1 stop33h 35m
S$ 903
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 23-3
00:40-19:40
1 stop34h 00m
Seattle/Tacoma Intl
Sun 12-4
23:55-09:40
1 stop18h 45m
S$ 917
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 25-3
00:40-19:40
1 stop34h 00m
Seattle/Tacoma Intl
Fri 17-4
23:55-23:10
1 stop32h 15m
S$ 917
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 29-3
18:00-10:10
1 stop31h 10m
Seattle/Tacoma Intl
Thu 16-4
11:50-12:25
1 stop33h 35m
S$ 923
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 29-3
18:00-10:10
1 stop31h 10m
Seattle/Tacoma Intl
Tue 14-4
11:50-15:25
1 stop36h 35m
S$ 923
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 22-11
22:20-08:23
1 stop26h 03m
Seattle/Tacoma Intl
Tue 2-12
07:00-20:15
1 stop21h 15m
S$ 1,003
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Tue 27-1
10:10-15:44
1 stop21h 34m
Seattle/Tacoma Intl
Mon 9-2
09:25-08:00
1 stop30h 35m
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$ 1,007
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 19-11
02:00-18:10
1 stop32h 10m
Seattle/Tacoma Intl
Thu 4-12
00:10-13:05
1 stop20h 55m
S$ 1,041
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 20-3
22:20-23:22
1 stop40h 02m
Seattle/Tacoma Intl
Wed 29-4
06:57-18:25
1 stop20h 28m
S$ 1,050
Flights are sorted by cheapest return flights first.
Deals found on 3-11
Showing 1-10 of 20 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 31 October 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$ 806). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,152). 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 5 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 5 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 23h 20m. Fly via Cathay Pacific or Philippine 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$ 846. Additional round-trip tickets that might be worth considering are offered by STARLUX Airlines and China Airlines, with the lowest prices starting at S$ 970 and S$ 999, respectively. You may be able to fly from Singapore to Seattle for 27% 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 Hainan Airlines, which is currently one of the cheapest options available, starting at S$ 550. United Airlines flights start at S$ 598 while deals on China Airlines start at S$ 598 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$ 806). Flying from Singapore to Seattle in January is currently the most expensive (average of S$ 1,152). 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 5 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 5 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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