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AVR to CEI: distance & flight time
Alverca (Alverca Air Base) → Chiang Rai (Chiang Rai International Airport)
6,309 mi
10,154 km · 5,483 nm
12h 50m
estimated nonstop flight time
+6h
time difference · heading northeast
See live AVR→CEI fares Phone-only fares on this route — call free
Flight time details
6,309 miles nonstop takes roughly 12h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- AVR — Alverca Air Base · Alverca, Portugal
- 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 AVR
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)9 mi away
- CAT · Cascais Airport21 mi away
- QLR · Monte Real Air Base66 mi away
- BYJ · Beja Airport / Airbase81 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 AVR from CEI?
The flight distance from Alverca (AVR) to Chiang Rai (CEI) is 6,309 miles (10,154 km, 5,483 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AVR to CEI?
A nonstop flight takes about 12h 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 Alverca and Chiang Rai?
Chiang Rai is 6 hours ahead of Alverca.
What is the cheapest way to fly from AVR to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AVR–CEI that never appear on search engines, with no booking fees.