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SUS to BKK: distance & flight time
Null (Spirit of St Louis Airport) → Bangkok (Suvarnabhumi Airport)
8,746 mi
14,075 km · 7,600 nm
17h 37m
estimated nonstop flight time
+13h
time difference · heading north
See live SUS→BKK 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 13-hour time gain when reading arrival times on your ticket.
The two airports
- SUS — Spirit of St Louis Airport · Null, United States
- BKK — Suvarnabhumi Airport · Bangkok, Thailand
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 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
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
Frequently asked questions
How far is SUS from BKK?
The flight distance from Null (SUS) to Bangkok (BKK) 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 SUS to BKK?
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.
Are there nonstop flights from SUS to BKK?
Nonstop service on SUS–BKK depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 37m nonstop estimate.
What is the time difference between Null and Bangkok?
Bangkok is 13 hours ahead of Null.
What is the cheapest way to fly from SUS to BKK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–BKK that never appear on search engines, with no booking fees.
Why are some SUS to BKK fares phone-only?
Consolidator contracts let us sell certain SUS–BKK tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.