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LIS to CEI: distance & flight time
Lisbon (Humberto Delgado Airport (Lisbon Portela Airport)) → Chiang Rai (Chiang Rai International Airport)
6,318 mi
10,167 km · 5,490 nm
12h 51m
estimated nonstop flight time
+6h
time difference · heading northeast
See live LIS→CEI fares Phone-only fares on this route — call free
Flight time details
6,318 miles nonstop takes roughly 12h 51m 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
- LIS — Humberto Delgado Airport (Lisbon Portela Airport) · Lisbon, 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 LIS
- AVR · Alverca Air Base9 mi away
- CAT · Cascais Airport12 mi away
- QLR · Monte Real Air Base74 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 LIS from CEI?
The flight distance from Lisbon (LIS) to Chiang Rai (CEI) is 6,318 miles (10,167 km, 5,490 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LIS to CEI?
A nonstop flight takes about 12h 51m 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 Lisbon and Chiang Rai?
Chiang Rai is 6 hours ahead of Lisbon.
What is the cheapest way to fly from LIS to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LIS–CEI that never appear on search engines, with no booking fees.