$388+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SIN
Jul 4 — Jul 111
Round-trip
1 adult, Economy
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Last-minute
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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 June 4, 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 June 4, 2026.
This oojo deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Thu 10/229:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 5/31![Singapore Airlines logo]()
$655
This oojo deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” 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 6/3![Singapore Airlines logo]()
$656
This oojo deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Sat 11/79:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/2![Singapore Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Sat 10/319:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/3![Singapore Airlines logo]()
$700
This oojo deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Tue 12/19:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/2![Singapore Airlines logo]()
$751
This oojo deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Sun 9/209:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 6/4![Singapore Airlines logo]()
$768
This oojo deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 9/2110:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 6/4![Asiana Airlines logo]()
$773
This oojo deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:12 am
SEA
- SIN
1 stop20h 58m
Singapore Airlines
Fri 11/139:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/1![Singapore Airlines logo]()
$781
This oojo deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Fri 11/279:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/4![Singapore Airlines logo]()
$795
This Gotogate deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 11/211:10 pm
SIN
- SEA
1 stop30h 45m
Asiana Airlines
Deal found 6/2![Asiana Airlines logo]()
$797
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 June 4, 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 June 4, 2026.
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:45 pm
SEA
- SIN
2 stops22h 30m
United Airlines
Tue 9/1511:05 am
SIN
- SEA
1 stop18h 20m
United Airlines
Deal found 5/31![United Airlines logo]()
$825
This Korean Air deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:20 am
SEA
- SIN
2 stops25h 35m
Korean Air
Sun 9/67:30 am
SIN
- SEA
2 stops29h 15m
Korean Air
Deal found 6/4![Korean Air logo]()
$1,075
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:20 am
SEA
- SIN
2 stops30h 40m
Delta
Sat 9/1910:00 pm
SIN
- SEA
2 stops37h 42m
Delta
Deal found 5/30![Delta logo]()
$1,075
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:00 am
SEA
- SIN
2 stops33h 15m
United Airlines
Fri 9/258:45 am
SIN
- SEA
2 stops28h 11m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,076
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:50 pm
SEA
- SIN
2 stops39h 05m
Delta
Wed 7/2210:00 pm
SIN
- SEA
2 stops38h 49m
Delta
Deal found 5/30![Delta logo]()
$1,215
This Korean Air deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:55 pm
SEA
- SIN
2 stops41h 00m
Korean Air
Mon 8/3110:00 pm
SIN
- SEA
2 stops38h 45m
Korean Air
Deal found 6/2![Korean Air logo]()
$1,230
This Korean Air deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:30 pm
SEA
- SIN
2 stops58h 45m
Korean Air
Tue 7/281:25 am
SIN
- SEA
1 stop24h 35m
Korean Air
Deal found 5/31![Korean Air logo]()
$1,232
This Korean Air deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:25 pm
SEA
- SIN
2 stops40h 30m
Korean Air
Sun 7/2610:00 pm
SIN
- SEA
1 stop28h 00m
Korean Air
Deal found 5/30![Korean Air logo]()
$1,307
Last-minute flights from Seattle to SingaporeDiscover last-minute flight deals from Seattle to Singapore. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Singapore. Data last updated June 4, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:10 pm
SEA
- SIN
1 stop28h 45m
Philippine Airlines
Wed 6/1010:05 am
SIN
- SEA
1 stop25h 00m
Philippine Airlines
Deal found 6/3![Philippine Airlines logo]()
$929
This Mytrip deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:20 pm
SEA
- SIN
2 stops32h 35m
Multiple Airlines
Tue 6/161:25 pm
SIN
- SEA
1 stop35h 55m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,056
This Mytrip deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:00 pm
SEA
- SIN
2 stops31h 15m
Multiple Airlines
Mon 6/299:45 am
SIN
- SEA
1 stop39h 35m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,020
This Gotogate deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:30 pm
SEA
- SIN
1 stop33h 45m
Multiple Airlines
Tue 7/77:00 am
SIN
- SEA
1 stop26h 32m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,049
This Gotogate deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:30 pm
SEA
- SIN
1 stop33h 45m
Multiple Airlines
Sat 7/117:00 am
SIN
- SEA
1 stop30h 42m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,052
This Orbitz deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:18 pm
SEA
- SIN
2 stops29h 27m
Multiple Airlines
Tue 7/147:00 am
SIN
- SEA
1 stop26h 32m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,028
This Gotogate deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:53 am
SEA
- SIN
2 stops24h 27m
Multiple Airlines
Wed 7/153:15 am
SIN
- SEA
1 stop24h 10m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,048
This Trip.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:10 am
SEA
- SIN
1 stop30h 20m
Multiple Airlines
Fri 7/242:00 pm
SIN
- SEA
1 stop17h 35m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,031
This Korean Air deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:20 pm
SEA
- SIN
1 stop19h 35m
Korean Air
Wed 8/1210:00 pm
SIN
- SEA
1 stop28h 00m
Korean Air
Deal found 5/30![Korean Air logo]()
$1,059
This Gotogate deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:10 am
SEA
- SIN
1 stop30h 20m
Multiple Airlines
Sat 8/83:15 am
SIN
- SEA
1 stop24h 10m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,010
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 June 4, 2026.
Search for one-way flight options from Seattle to Singapore. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This oojo deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:50 pm
SEA
- SIN
1 stop20h 05m
Korean Air
Deal found 5/30![Korean Air logo]()
$388
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:10 am
SEA
- SIN
1 stop29h 45m
Asiana Airlines
Deal found 6/2![Asiana Airlines logo]()
$396
This oojo deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:10 pm
SEA
- SIN
1 stop23h 05m
Philippine Airlines
Deal found 6/2![Philippine Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:00 am
SEA
- SIN
2 stops34h 15m
United Airlines
Deal found 5/31![United Airlines logo]()
$405
This Trip.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:10 pm
SEA
- SIN
1 stop33h 25m
Philippine Airlines
Deal found 6/4![Philippine Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:00 pm
SEA
- SIN
1 stop39h 15m
Delta
Deal found 5/30![Delta logo]()
$408
This Asiana Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 6/3![Asiana Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:51 pm
SEA
- SIN
2 stops32h 44m
United Airlines
Deal found 6/2![United Airlines logo]()
$411
This Korean Air deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:50 pm
SEA
- SIN
2 stops37h 25m
Korean Air
Deal found 5/31![Korean Air logo]()
$412
This Trip.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:10 pm
SEA
- SIN
1 stop18h 55m
Philippine Airlines
Deal found 6/1![Philippine Airlines logo]()
$413
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 June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $655 (oojo) |
One-way from | $388 (oojo) |
Popular in | December |
Cheapest in | September |
Average price | $1,017 |
Good round-trip deal | $868 or less |
Good one-way deal | $474 or less |
Cheapflights Fare Finder
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 June 4, 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
Quickest round-trip
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Tue 9/8
4:45 pm-6:15 am
2 stops22h 30m
Singapore Changi
Tue 9/15
11:05 am-2:25 pm
1 stop18h 20m
$825
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Fri 8/7
7:20 am-11:55 pm
2 stops25h 35m
Singapore Changi
Sun 9/6
7:30 am-9:45 pm
2 stops29h 15m
$1,075
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Fri 9/11
7:20 am-5:00 am
2 stops30h 40m
Singapore Changi
Sat 9/19
10:00 pm-8:42 pm
2 stops37h 42m
$1,075
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sun 7/5
6:00 am-6:15 am
2 stops33h 15m
Singapore Changi
Fri 9/25
8:45 am-9:56 pm
2 stops28h 11m
$1,076
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Wed 7/15
5:50 pm-11:55 pm
2 stops39h 05m
Singapore Changi
Wed 7/22
10:00 pm-9:49 pm
2 stops38h 49m
$1,215
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sat 8/15
3:55 pm-11:55 pm
2 stops41h 00m
Singapore Changi
Mon 8/31
10:00 pm-9:45 pm
2 stops38h 45m
$1,230
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Wed 7/15
5:30 pm-7:15 pm
2 stops58h 45m
Singapore Changi
Tue 7/28
1:25 am-11:00 am
1 stop24h 35m
$1,232
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Sat 7/18
4:25 pm-11:55 pm
2 stops40h 30m
Singapore Changi
Sun 7/26
10:00 pm-11:00 am
1 stop28h 00m
$1,307
Cheapest one-way
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Wed 9/23
3:54 pm-6:35 pm
2 stops35h 41m
$405
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Wed 9/30
1:00 pm-5:00 am
1 stop25h 00m
$408
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 $348). Flying from Seattle to Singapore in December is currently the most expensive (average of $610). 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 June 4, 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 27% of weekly flights between Seattle and Singapore have experienced delays in the past year, with the average delay time being 92 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 27% of flights being delayed.
How far ahead should I book a flight from Seattle to Singapore?
Booking 59 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 June 4, 2026.
Get a feel of what it's like to fly with Korean Air,Singapore Airlines, andAsiana 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.
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
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Alternative routes for Seattle to Singapore
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Seattle and Singapore flights
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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 June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$378 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$507 | Average$770 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$548 | Average$970 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$621 | Average$876 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$656 | Average$775 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$674 | Average$870 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$699 | Average$848 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$750 | Average$907 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$774 | Average$933 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$792 | Average$896 | FlexibilityNo cancel fee | On-time79% |