$345+ Cheap flights from Seattle (SEA) to Singapore
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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA ā SIN
Aug 22 ā Aug 291
Round-trip
1 adult, Economy
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Last-minute
One-way
Cheapest flights from Seattle to SingaporeExplore the most affordable flight options available from Seattle to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Seattle to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This oojo deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 10/810:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Thu 10/159:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$672
This IEagle deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure IEagle is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 10/610:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Tue 11/109:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 7/23![Singapore Airlines logo]()
$708
This IEagle deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure IEagle is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Fri 10/2310:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Sat 10/319:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 7/22![Singapore Airlines logo]()
$718
This oojo deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 11/18:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Tue 11/109:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$752
This oojo deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 10/410:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Fri 10/99:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$762
This oojo deal was found by Cheapflights users on 7/18. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/2910:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Tue 10/139:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 7/18![Singapore Airlines logo]()
$770
This IEagle deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure IEagle is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 10/279:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Wed 11/259:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 7/23![Singapore Airlines logo]()
$772
This IEagle deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure IEagle is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 11/108:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Tue 11/249:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 7/22![Singapore Airlines logo]()
$773
Best flights from Seattle to SingaporeDiscover carefully curated flight deals from Seattle to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Seattle to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure United Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 9/276:05 pm
SEA
- SIN
2 stops33h 30m
United Airlines
Mon 10/128:45 am
SIN
- SEA
2 stops29h 14m
United Airlines
Deal found 7/18![United Airlines logo]()
$825
This Korean Air deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Korean Air is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/17:20 am
SEA
- SIN
2 stops30h 40m
Korean Air
Sun 9/1310:00 pm
SIN
- SEA
1 stop27h 40m
Korean Air
Deal found 7/19![Korean Air logo]()
$829
This Asiana Airlines deal was found by Cheapflights users on 7/20. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Asiana Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Fri 8/1412:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 8/3110:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 7/20![Asiana Airlines logo]()
$926
This Japan Airlines deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Japan Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Wed 9/161:15 pm
SEA
- SIN
1 stop20h 05m
Japan Airlines
Sun 9/201:55 am
SIN
- SEA
2 stops29h 03m
Japan Airlines
Deal found 7/22![Japan Airlines logo]()
$975
This Korean Air deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Korean Air is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/812:50 pm
SEA
- SIN
1 stop20h 05m
Korean Air
Tue 9/157:30 am
SIN
- SEA
1 stop18h 10m
Korean Air
Deal found 7/23![Korean Air logo]()
$873
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure United Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 11/78:40 pm
SEA
- SIN
2 stops42h 15m
United Airlines
Sun 11/2210:10 am
SIN
- SEA
1 stop22h 17m
United Airlines
Deal found 7/22![United Airlines logo]()
$1,080
This Korean Air deal was found by Cheapflights users on 7/18. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Korean Air is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 11/3011:00 am
SEA
- SIN
1 stop26h 00m
Korean Air
Thu 12/31:35 am
SIN
- SEA
1 stop23h 25m
Korean Air
Deal found 7/18![Korean Air logo]()
$1,058
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure United Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 8/157:00 am
SEA
- SIN
2 stops26h 45m
United Airlines
Mon 8/316:15 am
SIN
- SEA
2 stops23h 09m
United Airlines
Deal found 7/23![United Airlines logo]()
$1,095
This Korean Air deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Korean Air is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 12/57:20 am
SEA
- SIN
2 stops29h 40m
Korean Air
Sun 12/2010:30 pm
SIN
- SEA
1 stop26h 30m
Korean Air
Deal found 7/19![Korean Air logo]()
$1,064
This Korean Air deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Korean Air is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 8/153:55 pm
SEA
- SIN
2 stops46h 05m
Korean Air
Sun 8/301:25 am
SIN
- SEA
1 stop24h 35m
Korean Air
Deal found 7/19![Korean Air logo]()
$1,064
Last-minute flights from Seattle to SingaporeDiscover last-minute flight deals from Seattle to Singapore. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Singapore. Data last updated July 23, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 7/21. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Justfly.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 7/2812:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Wed 8/510:50 pm
SIN
- SEA
1 stop31h 55m
Asiana Airlines
Deal found 7/21![Asiana Airlines logo]()
$785
This FlightHub deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure FlightHub is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/212:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 8/1010:50 pm
SIN
- SEA
1 stop31h 55m
Asiana Airlines
Deal found 7/23![Asiana Airlines logo]()
$786
This Gotogate deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Gotogate is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/912:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 8/1710:50 pm
SIN
- SEA
1 stop31h 55m
Asiana Airlines
Deal found 7/23![Asiana Airlines logo]()
$800
This Trip.com deal was found by Cheapflights users on 7/20. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Trip.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/912:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Sun 8/2310:50 pm
SIN
- SEA
1 stop31h 55m
Asiana Airlines
Deal found 7/20![Asiana Airlines logo]()
$806
This Justfly.com deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Justfly.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 8/2012:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Sun 9/610:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 7/22![Asiana Airlines logo]()
$832
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure FlightHub is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 8/203:00 pm
SEA
- SIN
1 stop23h 15m
Air Canada
Sun 8/307:00 am
SIN
- SEA
1 stop26h 32m
Air Canada
Deal found 7/22![Air Canada logo]()
$835
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/2312:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Sun 9/610:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 7/23![Asiana Airlines logo]()
$819
This FlightHub deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure FlightHub is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 8/2412:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 8/3110:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 7/19![Asiana Airlines logo]()
$827
This Justfly.com deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Justfly.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 8/2712:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Sun 9/1310:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 7/19![Asiana Airlines logo]()
$833
This Air Canada deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Air Canada is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 8/275:50 am
SEA
- SIN
1 stop32h 25m
Air Canada
Sun 8/307:00 am
SIN
- SEA
1 stop30h 42m
Air Canada
Deal found 7/23![Air Canada logo]()
$850
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/3012:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Wed 9/910:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 7/22![Asiana Airlines logo]()
$822
This Asiana Airlines deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Asiana Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/3012:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 9/710:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 7/22![Asiana Airlines logo]()
$823
One-way flights from Seattle to SingaporeSearch for one-way flight options from Seattle to Singapore. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Seattle to Singapore. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This oojo deal was found by Cheapflights users on 7/21. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 9/610:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Deal found 7/21![Singapore Airlines logo]()
$345
This oojo deal was found by Cheapflights users on 7/20. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/810:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Deal found 7/20![Singapore Airlines logo]()
$357
This oojo deal was found by Cheapflights users on 7/19. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 9/1210:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$369
This oojo deal was found by Cheapflights users on 7/18. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 8/2712:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 7/18![Asiana Airlines logo]()
$381
This oojo deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 10/112:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 7/23![Asiana Airlines logo]()
$387
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure FlightHub is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 8/1712:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 7/22![Asiana Airlines logo]()
$388
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure FlightHub is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Fri 9/2512:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 7/22![Asiana Airlines logo]()
$389
This Travelocity deal was found by Cheapflights users on 7/23. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Travelocity is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/117:20 pm
SEA
- SIN
1 stop18h 55m
Air Canada
Deal found 7/23![Air Canada logo]()
$394
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure FlightHub is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 8/67:20 pm
SEA
- SIN
1 stop18h 55m
Air Canada
Deal found 7/22![Air Canada logo]()
$397
Find flight deals from Seattle to Singapore
Keep the following information in mind while searching for Seattle to Singapore flight deals. Data was last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $672 (oojo) |
One-way from | $345 (oojo) |
Popular in | December |
Cheapest in | November |
Average price | $955 |
Good round-trip deal | $789 or less |
Good one-way deal | $398 or less |
Cheapflights Fare Finder
Ā
Customize your flight search to find flights from Seattle to Singapore 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 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Seattle to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sun 9/27
6:05 pm-6:35 pm
2 stops33h 30m
Singapore Changi
Mon 10/12
8:45 am-10:59 pm
2 stops29h 14m
$825
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Tue 9/1
7:20 am-5:00 am
2 stops30h 40m
Singapore Changi
Sun 9/13
10:00 pm-10:40 am
1 stop27h 40m
$829
Quickest round-trip
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Tue 9/8
12:50 pm-11:55 pm
1 stop20h 05m
Singapore Changi
Tue 9/15
7:30 am-10:40 am
1 stop18h 10m
$873
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Fri 8/14
12:10 am-9:30 pm
1 stop30h 20m
Singapore Changi
Mon 8/31
10:50 pm-3:15 pm
1 stop31h 25m
$926
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Wed 9/16
1:15 pm-12:20 am
1 stop20h 05m
Singapore Changi
Sun 9/20
1:55 am-3:58 pm
2 stops29h 03m
$975
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Mon 11/30
11:00 am-5:00 am
1 stop26h 00m
Singapore Changi
Thu 12/3
1:35 am-9:00 am
1 stop23h 25m
$1,058
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sat 12/5
7:20 am-5:00 am
2 stops29h 40m
Singapore Changi
Sun 12/20
10:30 pm-9:00 am
1 stop26h 30m
$1,064
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sat 8/15
3:55 pm-5:00 am
2 stops46h 05m
Singapore Changi
Sun 8/30
1:25 am-11:00 am
1 stop24h 35m
$1,064
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sat 11/7
8:40 pm-6:55 am
2 stops42h 15m
Singapore Changi
Sun 11/22
10:10 am-4:27 pm
1 stop22h 17m
$1,080
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sat 8/15
7:00 am-12:45 am
2 stops26h 45m
Singapore Changi
Mon 8/31
6:15 am-2:24 pm
2 stops23h 09m
$1,095
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Seattle to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Seattle with our price prediction graph.
SEA-SIN
Estimated round-trip 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 Seattle to Singapore
SEA-SG0
SEA-SIN
What is the cheapest month to book a flight from Seattle to Singapore?
Currently, November is the cheapest month in which you can book a flight from Seattle to Singapore (average of $719). Flying from Seattle to Singapore in December is currently the most expensive (average of $1,436). 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 SEA to SG?
Find hourly flight availability from Seattle to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Singapore as you normally would.
How often are flights from Seattle to Singapore delayed?
About 24% of weekly flights between Seattle and Singapore have experienced delays in the past year, with the average delay time being 90 minutes.
What is the most punctual flight time for Seattle to Singapore 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 Seattle to Singapore flights?
Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 24% of flights being delayed.
How far ahead should I book a flight from Seattle to Singapore?
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Singapore
Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated July 23, 2026.
Get a feel of what it's like to fly with Singapore Airlines,Asiana Airlines, andUnited Airlines from Seattle to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Comfort
8.0
Food
7.8
Entertainment
8.1
Boarding
8.3
Crew
8.6
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Overall
8.2
Comfort
8.0
Food
7.8
Entertainment
8.1
Boarding
8.3
Crew
8.6
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Overall
8.2
Comfort
8.0
Food
7.8
Entertainment
8.1
Boarding
8.3
Crew
8.6
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Overall
8.2
Comfort
8.0
Food
7.8
Entertainment
8.1
Boarding
8.3
Crew
8.6
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Overall
8.2
Comfort
8.0
Food
7.8
Entertainment
8.1
Boarding
8.3
Crew
8.6
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Overall
8.2
Comfort
8.0
Food
7.8
Entertainment
8.1
Boarding
8.3
Crew
8.6
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Related info for your journey
Find useful and relevant information for your journey from Seattle to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Singapore
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Complete your trip
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Search flights from Seattle to Singapore by cabin class
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Seattle and Singapore flights
Browse other Seattle and Singapore flight options. Last updated on July 23, 2026.
Popular flight searches
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Top 10 airlines flying from Seattle to Singapore
Discover the top 10 airlines that operate flights from Seattle to Singapore. 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 2,558,603 searches. Data last updated July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$378 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$384 | Average$808 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$507 | Average$781 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$534 | Average$903 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$548 | Average$1,174 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$610 | Average$757 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$621 | Average$876 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$750 | Average$889 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$774 | Average$933 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$792 | Average$896 | FlexibilityNo cancel fee | On-time79% |