Need help booking?
Unpublished phone-only deals available
CEI to BNJ: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Sankt-Augustin (Bonn-Hangelar Airport)
5,275 mi
8,489 km · 4,584 nm
10h 49m
estimated nonstop flight time
—
time difference · heading northwest
See live CEI→BNJ fares Phone-only fares on this route — call free
Flight time details
5,275 miles nonstop takes roughly 10h 49m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- BNJ — Bonn-Hangelar Airport · Sankt-Augustin, Germany
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 BNJ
- CGN · Cologne Bonn Airport7 mi away
- FRA · Frankfurt am Main Airport80 mi away
- DUS · Düsseldorf Airport40 mi away
- SGE · Siegerland Airport40 mi away
Frequently asked questions
How far is CEI from BNJ?
The flight distance from Chiang Rai (CEI) to Sankt-Augustin (BNJ) is 5,275 miles (8,489 km, 4,584 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to BNJ?
A nonstop flight takes about 10h 49m 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 cheapest way to fly from CEI to BNJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–BNJ that never appear on search engines, with no booking fees.