Departure
Scheduled departure: 2026-10-29 09:40 (UTC-07:00). Confirm airport transport and terminal opening hours in advance.
SQ27 Seattle–Tacoma International Airport to Singapore Changi Airport nonstop flight: schedule, airports, aircraft and travel guide.
SQ27 Flight Overview
SQ27 is operated by Singapore Airlines and connects Seattle–Tacoma International Airport (SEA) and Singapore Changi Airport (SIN). Scheduled departure: 2026-10-29 09:40 (UTC-07:00); scheduled arrival: 2026-10-30 17:45 (UTC+08:00).
AirlineSingapore Airlines
Flight numberSQ27
RouteSEA to SIN
Scheduled duration17 hr 5 min
Seattle to Singapore Route Information
SQ27 is a nonstop international flight from Seattle–Tacoma International Airport (SEA) to Singapore Changi Airport (SIN). Use the information below to plan your journey.
Route distanceApprox. 12,988 km
Scheduled flight time17 hr 5 min
Time difference900 min
Flight typeInternational
Arrival
Scheduled arrival: 2026-10-30 17:45 (UTC+08:00). Arrange pickup, hotel and onward transport for the arrival date.
Time zones
Departure: Seattle (UTC-07:00); arrival: Singapore (UTC+08:00).
SQ27 On-time Performance & History
Methodology
Arrival on-time rate
Sample flights-
Average departure delay-
Average arrival early-
Cancllation rate-
Longest delay-
Early arrivals-
Historical statistics are for reference only and do not predict future flight performance.
Aircraft, Cabin & Services
Based on currently published aircraft and cabin information; the operating aircraft may change.
Published aircraft type
Airbus A350
Economy 32 in
Business 32 · Economy 292
Seat configuration depends on the operating aircraft
32 in
Availability and fees depend on the flight
SQ27 Airports
Terminals follow the published schedule; check official airline channels for same-day gates and operations.
SEASeattle–Tacoma International Airport
Seattle, United States · UTC-07:00
- Departure terminal
- Check-in counter
- Announced on the day
SINSingapore Changi Airport
Singapore · UTC+08:00
- Arrival terminal
- T2
- Baggage belt
- Announced on the day
Seattle–Tacoma International Airport Departure & Singapore Changi Airport Arrival Guide
Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.
Departing from Seattle–Tacoma International Airport
SQ27 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.
Arriving at Singapore Changi Airport
Scheduled arrival is at T2. After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.
Planning your arrival
Scheduled arrival: 2026-10-30 17:45. Use the arrival date when booking hotels and pickup services.
Flight Changes, Cancellations & Missed Flights
If the schedule or aircraft changes, follow the booking channel and operating carrier rules.
Schedule changes
After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.
Cancellation and changes
Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.
Missed flight
If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.
Check-in, Baggage & Entry Tips
International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.
Arrive early for check-in
Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Seattle–Tacoma International Airport guidance.
Check baggage allowance
Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.
Prepare entry documents
Before departure, check passport validity, visa or visa-free eligibility, andSingapore Changi Airport’ latest arrival declaration requirements.
What should I check before flying SQ27?
Check the departure date
For an overnight flight, check the departure date on your ticket and plan airport transport in advance.
Confirm the operating carrier
Follow the airline rules shown in your booking for check-in and checked baggage.
Check boarding information
Gates and operating times may change; follow airline notices and airport displays.
Popular route recommendations
SQ27 Frequently Asked Questions
Which airline operates this flight?
SQ27 is operated by Singapore Airlines.
Where does it depart and arrive?
Seattle–Tacoma International Airport (SEA) → Singapore Changi Airport (SIN).
What are the departure and arrival times?
Scheduled departure 09:40, arrival 17:45 · 17 hours 5 minutes.
Which terminal is used for check-in?
Departure terminal No data, arrival terminal T2. Check-in, gate and baggage belt are announced on the day.
Are meals and inflight entertainment available?
Meals: In-flight meals; special meals available with advance request. Inflight entertainment: KrisWorld with about 1,800 options on an 11.1-inch touch-screen monitor.
Explore This Route
Departure airportFlights from Seattle–Tacoma International Airport
Arrival airportSingapore Changi Airport information
Operating airlineSingapore Airlines information