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BKK to SUS: distance & flight time
Bangkok (Suvarnabhumi Airport) → Null (Spirit of St Louis Airport)
8,746 mi
14,075 km · 7,600 nm
17h 37m
estimated nonstop flight time
-12h
time difference · heading north
See live BKK→SUS fares Phone-only fares on this route — call free
Flight time details
8,746 miles nonstop takes roughly 17h 37m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- BKK — Suvarnabhumi Airport · Bangkok, Thailand
- SUS — Spirit of St Louis Airport · Null, United States
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 BKK
- DMK · Don Mueang International Airport19 mi away
- KDT · Kamphaeng Saen Airport63 mi away
- UTP · U-Tapao International Airport71 mi away
- HHQ · Hua Hin Airport90 mi away
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is BKK from SUS?
The flight distance from Bangkok (BKK) to Null (SUS) is 8,746 miles (14,075 km, 7,600 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BKK to SUS?
A nonstop flight takes about 17h 37m 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 Bangkok and Null?
Null is 12 hours behind Bangkok.
What is the cheapest way to fly from BKK to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BKK–SUS that never appear on search engines, with no booking fees.