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YSJ to CEI: distance & flight time
St. John (Saint John Airport) → Chiang Rai (Chiang Rai International Airport)
7,839 mi
12,616 km · 6,812 nm
15h 50m
estimated nonstop flight time
+10h
time difference · heading north
See live YSJ→CEI fares Phone-only fares on this route — call free
Flight time details
7,839 miles nonstop takes roughly 15h 50m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- YSJ — Saint John Airport · St. John, Canada
- 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 YSJ
- YFC · Fredericton Airport49 mi away
- YZX · CFB Greenwood53 mi away
- YDG · Digby / Annapolis Regional Airport53 mi away
- YQM · Greater Moncton International Airport80 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 YSJ from CEI?
The flight distance from St. John (YSJ) to Chiang Rai (CEI) is 7,839 miles (12,616 km, 6,812 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSJ to CEI?
A nonstop flight takes about 15h 50m 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. John and Chiang Rai?
Chiang Rai is 10 hours ahead of St. John.
What is the cheapest way to fly from YSJ to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSJ–CEI that never appear on search engines, with no booking fees.