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PIE to CEI: distance & flight time
St. Petersburg (St Petersburg Clearwater International Airport) → Chiang Rai (Chiang Rai International Airport)
9,125 mi
14,686 km · 7,930 nm
18h 22m
estimated nonstop flight time
+11h
time difference · heading north
See live PIE→CEI fares Phone-only fares on this route — call free
Flight time details
9,125 miles nonstop takes roughly 18h 22m 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
- PIE — St Petersburg Clearwater International 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 PIE
- TPA · Tampa International Airport10 mi away
- CLW · Clearwater Air Park6 mi away
- SPG · Albert Whitted Airport11 mi away
- MCF · Mac Dill Air Force Base11 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 PIE from CEI?
The flight distance from St. Petersburg (PIE) to Chiang Rai (CEI) is 9,125 miles (14,686 km, 7,930 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PIE to CEI?
A nonstop flight takes about 18h 22m 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 PIE to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PIE–CEI that never appear on search engines, with no booking fees.