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CEI to LIS: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Lisbon (Humberto Delgado Airport (Lisbon Portela Airport))
6,318 mi
10,167 km · 5,490 nm
12h 51m
estimated nonstop flight time
-6h
time difference · heading northwest
See live CEI→LIS fares Phone-only fares on this route — call free
Flight time details
6,318 miles nonstop takes roughly 12h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- LIS — Humberto Delgado Airport (Lisbon Portela Airport) · Lisbon, Portugal
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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
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
Frequently asked questions
How far is CEI from LIS?
The flight distance from Chiang Rai (CEI) to Lisbon (LIS) 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 CEI to LIS?
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 Chiang Rai and Lisbon?
Lisbon is 6 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to LIS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–LIS that never appear on search engines, with no booking fees.