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SEA to TGA: distance & flight time
Seattle (Seattle Tacoma International Airport) → Tengah (Tengah Air Base)
8,073 mi
12,993 km · 7,016 nm
16h 18m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SEA→TGA fares Phone-only fares on this route — call free
Flight time details
8,073 miles nonstop takes roughly 16h 18m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- TGA — Tengah Air Base · Tengah, Singapore
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near TGA
- SIN · Singapore Changi Airport20 mi away
- XSP · Seletar Airport11 mi away
- QPG · Paya Lebar Air Base14 mi away
- JHB · Senai International Airport18 mi away
Frequently asked questions
How far is SEA from TGA?
The flight distance from Seattle (SEA) to Tengah (TGA) is 8,073 miles (12,993 km, 7,016 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to TGA?
A nonstop flight takes about 16h 18m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seattle and Tengah?
Tengah is 15 hours ahead of Seattle.
What is the cheapest way to fly from SEA to TGA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–TGA that never appear on search engines, with no booking fees.