
Round-trip from | $637 (United Airlines) |
|---|---|
One-way from | $449 (FlightHub) |
Popular in | May |
Cheapest in | October |
Average price | $842 |
Good one-way deal | $503 or less |
Fly from
Fly to
Route
Depart
Return
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 6/17
8:45 am-1:12 am
1 stop31h 27m
Seattle/Tacoma Intl
Thu 7/9
7:00 am-6:35 pm
1 stop20h 35m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 10/8
10:50 pm-3:15 pm
1 stop31h 25m
Seattle/Tacoma Intl
Fri 10/9
12:10 am-9:30 pm
1 stop30h 20m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 9/10
8:35 pm-6:29 pm
1 stop36h 54m
Seattle/Tacoma Intl
Sat 9/12
5:20 pm-6:35 pm
1 stop34h 15m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 6/25
8:50 pm-10:07 am
2 stops28h 17m
Seattle/Tacoma Intl
Fri 7/3
10:45 am-11:40 pm
2 stops21h 55m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 9/25
2:00 pm-4:10 pm
1 stop17h 10m
Seattle/Tacoma Intl
Sun 9/27
1:15 am-12:50 pm
1 stop20h 35m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 8/27
2:00 pm-4:35 pm
1 stop17h 35m
Seattle/Tacoma Intl
Wed 11/4
11:45 pm-1:25 pm
1 stop21h 40m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 6/15
8:35 pm-7:18 pm
2 stops37h 43m
Seattle/Tacoma Intl
Wed 6/17
5:00 am-6:35 pm
1 stop22h 35m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 6/25
7:30 am-1:25 pm
1 stop20h 55m
Seattle/Tacoma Intl
Fri 7/3
1:05 pm-7:15 pm
1 stop39h 10m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Wed 7/15
3:20 pm-7:50 pm
1 stop19h 30m
Seattle/Tacoma Intl
Thu 7/16
2:10 am-11:55 am
1 stop18h 45m
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Sat 8/15
3:20 pm-7:50 pm
1 stop19h 30m
Seattle/Tacoma Intl
Tue 9/1
12:30 am-11:55 am
1 stop20h 25m
Currently, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of $418). Flying from Singapore to Seattle in January is currently the most expensive (average of $887). 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.
When flying from Singapore to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 17% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 91 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
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.
Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
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 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Food
Crew
Overall
Entertainment
Boarding
Comfort
Reviews
ember j,Apr 2026
TPE - ONT
Food
Crew
Overall
Entertainment
Boarding
Comfort
Reviews
ember j,Apr 2026
TPE - ONT
Food
Crew
Overall
Entertainment
Boarding
Comfort
Reviews
ember j,Apr 2026
TPE - ONT
Food
Crew
Overall
Entertainment
Boarding
Comfort
Reviews
ember j,Apr 2026
TPE - ONT
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$776 | Average$825 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$778 | Average$1,077 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$787 | Average$840 | FlexibilityNo cancel fee | On-timeN/A |