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Cheap flights Seattle — Singapore

Seattle (SEA, US) Singapore (SIN, SG)
from $272 12 978 km ~15h 46m 5 flights found 2 airlines cheapest on Tuesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $272 on 19.01.2027
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Tu
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Prices found for 4 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
19 Jan 2027, Tue
Singapore Airlines SQ 027
19:40
SEA Seattle-Tacoma International Airport
12:45
SIN Changi International Airport
17h 5m Direct
Farera
$272
View this ticket
06 Dec 2026, Sun
Alaska Airlines AS 2586
19:46
SEA Seattle-Tacoma International Airport
17:07
SIN Changi International Airport
21h 21m 2 stops
Trip.com
$496
View this ticket
04 Dec 2026, Fri
Alaska Airlines AS 123
22:55
SEA Seattle-Tacoma International Airport
17:05
SIN Changi International Airport
18h 10m 1 stop
Trip.com
$575
View this ticket
04 Dec 2026, Fri
Singapore Airlines SQ 027
19:40
SEA Seattle-Tacoma International Airport
12:45
SIN Changi International Airport
17h 5m Direct
Farera
$682
View this ticket
06 Dec 2026, Sun
Singapore Airlines SQ 27
19:40
SEA Seattle-Tacoma International Airport
12:45
SIN Changi International Airport
17h 5m Direct
Trip.com
$823
View this ticket
Route characteristics
Distance
12 978 km
Flight time
15h 46m
Time difference
+16h
Minimum price
from $272 (19.01.2027)
Average price
$470
Maximum price
$575
Cheapest day
Tuesday
Departure airports (1)
SEA Seattle-Tacoma International Airport
Arrival airports (1)
SIN Changi International Airport
Airlines (2)
SQ Singapore Airlines AS Alaska Airlines
Agencies (2)
Farera Trip.com
Prices by day of week
Tuesday
$272
avg $272
Cheapest
Friday
$575
avg $629
Sunday
$496
avg $660
Price trend by month
December 2026
from $496
avg $644
4 flights
January 2027
from $272
avg $272
1 flights
Airlines — cheapest prices 2
Singapore Airlines
Singapore Airlines
3 flights · 3 days
$272
Alaska Airlines
Alaska Airlines
2 flights · 2 days
$496
Where to buy tickets 2
Farera
2 tickets · 2 days
from $272
Trip.com
3 tickets · 2 days
from $496
Airports

From — Seattle (1)

  • SEA Seattle-Tacoma International Airport

To — Singapore (1)

  • SIN Changi International Airport
Other destinations from Seattle
Port Angeles
US
Eastsound
US
Friday Harbor
US
Seattle
US
Burbank
US
Denver
US · Hub
Dallas
US · Hub
Newark
US · Hub
Ketchikan
US
Los Angeles
US · Hub
Long Beach
US
Miami
US · Hub
Frequently asked questions about the route Seattle — Singapore
How long is the flight from Seattle to Singapore?
Approximate flight time — 15h 46m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Seattle to Singapore?
The straight-line distance — 12 978 km.
How much do flights from Seattle to Singapore cost?
The minimum price over 3 months — from $272 on 19.01.2027.
What is the average ticket price?
The average price — $470. Range: $272 — $575.
What is the time difference between Seattle and Singapore?
The difference — +16h.
From which airports does Seattle operate flights?
From Seattle: SEA (Seattle-Tacoma International Airport).
To which airports in Singapore do flights arrive?
To Singapore: SIN (Changi International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Singapore Airlines, Alaska Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $272. Total direct flights found: 3.
Which day of the week is cheapest?
The cheapest day of the week — Tuesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Seattle — Singapore

Flights Seattle — Singapore is a popular route. The straight-line distance is 12 978 km. Flight time 15h 46m. Time difference +16h.

From Seattle (SEA) flights depart from 1 airport: SEA. To Singapore (SIN) — 1 arrival airport: SIN.

2 airlines operate on this route: Singapore Airlines, Alaska Airlines.

The minimum price for the next 3 months — from $272 (19.01.2027). The cheapest dates are highlighted in the calendar above.

The average ticket price — $470, ranging from $272 to $575. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Tuesday.

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