The stunning glass architecture of Gardens by the Bay in Singapore showcases modern design and innovative engineering. — flights from Seattle to Singapore
SeattleSingapore, Singapore

Flights from Seattle to Singapore

Nonstop flights from Seattle (SEA) to Singapore (SIN) take about 16h 43m (12,979 km). Singapore Airlines flies it. Lowest fare seen: $486 one-way, nonstop (12 Oct 2026).

All flights from Seattle →All flights to Singapore →

Photo of Singapore: Jurgen Lasa on Pexels.

When you land in Singapore

The airport transfer and the few things worth sorting before you fly.

The stunning glass architecture of Gardens by the Bay in Singapore showcases modern design and innovative engineering. — arriving in Singapore

Airport transfer

SIN → Singapore, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices
Alaska Airlines plane soaring through a bright sky with fluffy clouds in Seattle. — lounges at Seattle AirportSeattle Airport · 2 lounges
Before you flyAirport lounges at Seattle →
Trains, buses and taxi faresSIN to Singapore: getting into town →Early arrival or late flightLuggage storage in Singapore →12 drop-off points

Things to book in Singapore

All 116 things to do in Singapore →
from €24.42
Supertree Grove 4.5 · 1,003 Tiqets reviews
from €6.98
Floral Fantasy 4.6 · 800 Tiqets reviews
from €8.37
Cloud Forest 4.6 · 704 Tiqets reviews
from €6.98
Flower Dome 4.6 · 704 Tiqets reviews

Find hotels in Singapore

Hotels, hostels & more · Trip.com

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Airlines flying Seattle to Singapore

Carriers on SEA–SIN according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Singapore Airlinesnonstop fare seen

Seattle to Singapore fares by month

Cheapest month seen for a nonstop flight: Jan 2027, from $271 one-way. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$77030 Oct 2026 · Singapore Airlines$373 · 2 stops30 Oct 2026
Nov 2026$4563 Nov 2026 · Singapore Airlines$356 · 1 stop3 Nov 2026
Jan 2027$27119 Jan 2027 · Singapore Airlines—

When to go for the lowest fare

Later departures were cheaper: from $271 in January 2027, against $356 for November 2026.

Nonstop or with a stop

A connection undercut nonstop in 2 of 2 months with both fares.

From Travelpayouts flight-search data, city to city (Seattle to Singapore, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Singapore

Based on weather and travel conditions in Singapore

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best monthsGoodAvoid if possible

Singapore is a year-round destination. February–August sees the least rainfall. The northeast monsoon (December–March) brings more rain, but showers are typically short.

Peak season: February – August

More for this trip

Frequently asked questions — Seattle to Singapore flights

How long is the flight from Seattle to Singapore?
A nonstop flight from Seattle (SEA) to Singapore (SIN) takes about 16h 43m, covering 12,979 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Seattle from Singapore by air?
The great-circle distance between Seattle–Tacoma International Airport and Singapore Changi Airport is 12,979 km (8,065 miles), a ultra long-haul route.
Which airlines fly from Seattle to Singapore?
Airlines with flights or nonstop fares on the SEA–SIN route include Singapore Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Seattle to Singapore cost?
The lowest one-way fare seen recently on SEA–SIN was $486 USD with Singapore Airlines (nonstop), departing 3 Nov 2026, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from Seattle to Singapore?
In fares seen on 22 Oct 2026, departures in January 2027 were cheapest, from $271 one-way, against $373 for October 2026, the dearest month. Fares change daily, so check your own dates.
Is it cheaper to fly nonstop or with a stop from Seattle to Singapore?
In the fares we saw (12 Oct 2026), connecting was cheaper: from $347 with one stop against $486 nonstop, a saving of $139. Nonstop saves the connection time.
Do I need a visa to travel from Seattle to Singapore?
It depends on your passport. Some nationalities can enter Singapore visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Singapore?
Singapore is a year-round destination. February–August sees the least rainfall. The northeast monsoon (December–March) brings more rain, but showers are typically short.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

Ready to book SEA–SIN?

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