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SPG to CEI: distance & flight time
St. Petersburg (Albert Whitted Airport) → Chiang Rai (Chiang Rai International Airport)
9,136 mi
14,702 km · 7,939 nm
18h 23m
estimated nonstop flight time
+11h
time difference · heading north
See live SPG→CEI fares Phone-only fares on this route — call free
Flight time details
9,136 miles nonstop takes roughly 18h 23m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- SPG — Albert Whitted Airport · St. Petersburg, United States
- CEI — Chiang Rai International Airport · Chiang Rai, 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 SPG
- TPA · Tampa International Airport16 mi away
- MCF · Mac Dill Air Force Base9 mi away
- PIE · St Petersburg Clearwater International Airport11 mi away
- TPF · Peter O Knight Airport15 mi away
Near CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is SPG from CEI?
The flight distance from St. Petersburg (SPG) to Chiang Rai (CEI) is 9,136 miles (14,702 km, 7,939 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPG to CEI?
A nonstop flight takes about 18h 23m 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 St. Petersburg and Chiang Rai?
Chiang Rai is 11 hours ahead of St. Petersburg.
What is the cheapest way to fly from SPG to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPG–CEI that never appear on search engines, with no booking fees.