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HYS to CEI: distance & flight time
Hays (Hays Regional Airport) → Chiang Rai (Chiang Rai International Airport)
8,189 mi
13,180 km · 7,116 nm
16h 31m
estimated nonstop flight time
+12h
time difference · heading north
See live HYS→CEI fares Phone-only fares on this route — call free
Flight time details
8,189 miles nonstop takes roughly 16h 31m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- HYS — Hays Regional Airport · Hays, United States
- 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 HYS
- RSL · Russell Municipal Airport25 mi away
- GBD · Great Bend Municipal Airport41 mi away
- DDC · Dodge City Regional Airport83 mi away
- PTT · Pratt Regional Airport84 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 HYS from CEI?
The flight distance from Hays (HYS) to Chiang Rai (CEI) is 8,189 miles (13,180 km, 7,116 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HYS to CEI?
A nonstop flight takes about 16h 31m 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 Hays and Chiang Rai?
Chiang Rai is 12 hours ahead of Hays.
What is the cheapest way to fly from HYS to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HYS–CEI that never appear on search engines, with no booking fees.