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CEI to SUS: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Null (Spirit of St Louis Airport)
8,330 mi
13,406 km · 7,238 nm
16h 48m
estimated nonstop flight time
-12h
time difference · heading north
See live CEI→SUS fares Phone-only fares on this route — call free
Flight time details
8,330 miles nonstop takes roughly 16h 48m 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
- CEI — Chiang Rai International Airport · Chiang Rai, 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 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 CEI from SUS?
The flight distance from Chiang Rai (CEI) to Null (SUS) is 8,330 miles (13,406 km, 7,238 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to SUS?
A nonstop flight takes about 16h 48m 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 Chiang Rai and Null?
Null is 12 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–SUS that never appear on search engines, with no booking fees.