Cheap flights from Singapore to Seattle from S$ 498
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 2-2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
26 Dec — 2 Jan1
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 26 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 26 November 2025.
Mon 24-1122:20SIN - SEA
1 stop33h 55mUnited Airlines
Wed 3-1215:25SEA - SIN
1 stop36h 50mUnited Airlines
Deal found 23-11S$ 999
Thu 4-1222:20SIN - SEA
1 stop33h 09mUnited Airlines
Fri 9-109:25SEA - SIN
1 stop30h 35mUnited Airlines
Deal found 23-11S$ 1,042
Tue 2-1210:10SIN - SEA
1 stop26h 50mUnited Airlines
Fri 5-1205:30SEA - SIN
1 stop22h 45mUnited Airlines
Deal found 25-11S$ 1,049
Tue 23-1215:45SIN - SEA
1 stop18h 25mEVA Air
Mon 29-1200:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 25-11S$ 1,056
Wed 24-1215:45SIN - SEA
1 stop18h 25mEVA Air
Tue 30-1200:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 26-11S$ 1,063
Wed 24-1214:45SIN - SEA
1 stop16h 20mSTARLUX Airlines
Wed 31-1223:45SEA - SIN
1 stop21h 40mSTARLUX Airlines
Deal found 26-11S$ 1,065
Tue 2-1215:45SIN - SEA
1 stop18h 25mEVA Air
Thu 4-1200:10SEA - SIN
1 stop22h 20mEVA Air
Deal found 25-11S$ 1,075
Mon 22-1202:00SIN - SEA
1 stop32h 10mChina Airlines
Mon 29-1200:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 25-11S$ 1,097
Wed 17-1215:45SIN - SEA
1 stop18h 25mEVA Air
Tue 30-1223:30SEA - SIN
1 stop20h 35mEVA Air
Deal found 24-11S$ 1,101
Mon 22-1215:45SIN - SEA
1 stop18h 25mEVA Air
Sun 28-1200:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 23-11S$ 1,103
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 26 November 2025.
Wed 14-122:20SIN - SEA
1 stop38h 52mUnited Airlines
Thu 29-109:25SEA - SIN
1 stop42h 50mUnited Airlines
Deal found 25-11S$ 999
Mon 9-314:25SIN - SEA
1 stop19h 45mChina Airlines
Tue 10-301:10SEA - SIN
1 stop20h 55mChina Airlines
Deal found 24-11S$ 1,004
Fri 20-301:35SIN - SEA
1 stop23h 25mKorean Air
Tue 31-312:50SEA - SIN
1 stop40h 05mKorean Air
Deal found 24-11S$ 1,102
Sat 21-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 31-310:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 24-11S$ 1,133
Sun 12-401:10SIN - SEA
1 stop27h 50mDelta
Thu 14-507:20SEA - SIN
2 stops25h 20mDelta
Deal found 24-11S$ 1,237
Tue 27-122:20SIN - SEA
1 stop33h 24mUnited Airlines
Wed 11-209:25SEA - SIN
1 stop30h 35mUnited Airlines
Deal found 25-11S$ 999
Sat 14-222:20SIN - SEA
1 stop28h 59mUnited Airlines
Fri 27-209:19SEA - SIN
1 stop42h 56mUnited Airlines
Deal found 25-11S$ 999
Sat 21-322:20SIN - SEA
1 stop28h 04mUnited Airlines
Tue 31-319:37SEA - SIN
1 stop20h 08mUnited Airlines
Deal found 24-11S$ 1,056
Sun 18-110:45SIN - SEA
1 stop18h 35mUnited Airlines
Thu 29-109:25SEA - SIN
1 stop42h 50mUnited Airlines
Deal found 25-11S$ 1,151
Sun 11-110:10SIN - SEA
2 stops48h 16mUnited Airlines
Fri 16-117:10SEA - SIN
1 stop35h 05mUnited Airlines
Deal found 24-11S$ 1,211
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 26 November 2025.
Sat 21-309:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 31-310:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 24-11S$ 1,133
Sat 14-209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 27-208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 25-11S$ 1,439
Tue 23-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Tue 30-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 25-11S$ 1,731
Fri 9-109:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 16-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 24-11S$ 2,269
Thu 18-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 28-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 24-11S$ 2,458
Thu 21-509:00SIN - SEA
Nonstop14h 45mSingapore Airlines
Tue 9-610:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 25-11S$ 2,459
Sun 18-109:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Thu 29-108:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 25-11S$ 2,552
Fri 19-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 28-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 24-11S$ 2,591
Sat 13-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 28-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 24-11S$ 2,725
Sat 13-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Fri 26-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 24-11S$ 2,846
Sun 14-1209:00SIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 28-1208:45SEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 24-11S$ 2,875
Last-minute flights from Singapore to Seattle
Discover last-minute flight deals from Singapore to Seattle. Data last updated 26 November 2025 and is based on user searches.
Mon 1-1220:10SIN - SEA
1 stop38h 30mPhilippine Airlines
Fri 5-1221:30SEA - SIN
1 stop29h 40mPhilippine Airlines
Deal found 25-11S$ 1,164
Mon 1-1223:10SIN - SEA
1 stop30h 45mAsiana Airlines
Sun 7-1200:10SEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 23-11S$ 1,306
Tue 2-1210:10SIN - SEA
1 stop26h 50mUnited Airlines
Fri 5-1205:30SEA - SIN
1 stop22h 45mUnited Airlines
Deal found 25-11S$ 1,049
Tue 2-1215:45SIN - SEA
1 stop18h 25mEVA Air
Thu 4-1200:10SEA - SIN
1 stop22h 20mEVA Air
Deal found 25-11S$ 1,075
Tue 2-1215:45SIN - SEA
1 stop18h 25mMultiple Airlines
Wed 24-1217:59SEA - SIN
2 stops26h 06mMultiple Airlines
Deal found 24-11S$ 1,232
Tue 2-1215:45SIN - SEA
2 stops22h 21mMultiple Airlines
Thu 4-1200:10SEA - SIN
1 stop22h 20mMultiple Airlines
Deal found 25-11S$ 1,279
Thu 4-1222:20SIN - SEA
1 stop33h 09mUnited Airlines
Fri 9-109:25SEA - SIN
1 stop30h 35mUnited Airlines
Deal found 23-11S$ 1,042
Thu 4-1215:45SIN - SEA
1 stop18h 25mEVA Air
Thu 8-100:10SEA - SIN
1 stop19h 55mEVA Air
Deal found 23-11S$ 1,131
Thu 4-1215:45SIN - SEA
1 stop17h 45mMultiple Airlines
Fri 26-1220:00SEA - SIN
2 stops26h 30mMultiple Airlines
Deal found 26-11S$ 1,276
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 26 November 2025.
Mon 2-220:10SIN - SEA
1 stop38h 30mPhilippine Airlines
Deal found 24-11S$ 498
Wed 25-300:40SIN - SEA
1 stop34h 00mPhilippine Airlines
Deal found 23-11S$ 507
Mon 13-400:30SIN - SEA
1 stop34h 35mPhilippine Airlines
Deal found 24-11S$ 512
Tue 10-200:40SIN - SEA
1 stop34h 00mPhilippine Airlines
Deal found 25-11S$ 513
Mon 9-200:40SIN - SEA
1 stop34h 00mPhilippine Airlines
Deal found 25-11S$ 517
Wed 4-216:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 24-11S$ 528
Fri 13-314:10SIN - SEA
1 stop20h 30mPhilippine Airlines
Deal found 25-11S$ 535
Wed 21-116:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 25-11S$ 555
Tue 27-104:40SIN - SEA
2 stops43h 25mHainan Airlines
Deal found 25-11S$ 556
Wed 17-1216:30SIN - SEA
2 stops31h 35mHainan Airlines
Deal found 24-11S$ 590
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 26 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
Wed 14-1
22:20-21:12
1 stop38h 52m
Seattle/Tacoma Intl
Thu 29-1
09:25-20:15
1 stop42h 50m
S$ 999
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Tue 27-1
22:20-15:44
1 stop33h 24m
Seattle/Tacoma Intl
Wed 11-2
09:25-08:00
1 stop30h 35m
S$ 999
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 14-2
22:20-11:19
1 stop28h 59m
Seattle/Tacoma Intl
Fri 27-2
09:19-20:15
1 stop42h 56m
S$ 999
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 9-3
14:25-19:10
1 stop19h 45m
Seattle/Tacoma Intl
Tue 10-3
01:10-13:05
1 stop20h 55m
S$ 1,004
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 21-3
22:20-11:24
1 stop28h 04m
Seattle/Tacoma Intl
Tue 31-3
19:37-06:45
1 stop20h 08m
S$ 1,056
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 20-3
01:35-10:00
1 stop23h 25m
Seattle/Tacoma Intl
Tue 31-3
12:50-19:55
1 stop40h 05m
S$ 1,102
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 21-3
09:00-08:10
Nonstop14h 10m
Seattle/Tacoma Intl
Tue 31-3
10:15-17:35
Nonstop16h 20m
S$ 1,133
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 18-1
10:45-13:20
1 stop18h 35m
Seattle/Tacoma Intl
Thu 29-1
09:25-20:15
1 stop42h 50m
S$ 1,151
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 11-1
10:10-18:26
2 stops48h 16m
Seattle/Tacoma Intl
Fri 16-1
17:10-20:15
1 stop35h 05m
S$ 1,211
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sun 12-4
01:10-14:00
1 stop27h 50m
Seattle/Tacoma Intl
Thu 14-5
07:20-23:40
2 stops25h 20m
S$ 1,237
Flights are sorted by cheapest return flights first.
Deals found on 25-11
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 21 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 26 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 26% 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 20% 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 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 61% 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$ 1,112.
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 26 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.
Starlux Airlines was amazing. No complaints on anything with them
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 19h 45m. 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$ 844. Additional round-trip tickets that might be worth considering are offered by STARLUX Airlines and EVA Air, with the lowest prices starting at S$ 967 and S$ 970, 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 26 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 26 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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