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HRL to CEI: distance & flight time
Harlingen (Valley International Airport) → Chiang Rai (Chiang Rai International Airport)
9,036 mi
14,542 km · 7,852 nm
18h 11m
estimated nonstop flight time
+12h
time difference · heading north
See live HRL→CEI fares Phone-only fares on this route — call free
Flight time details
9,036 miles nonstop takes roughly 18h 11m 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
- HRL — Valley International Airport · Harlingen, 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 HRL
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 HRL from CEI?
The flight distance from Harlingen (HRL) to Chiang Rai (CEI) is 9,036 miles (14,542 km, 7,852 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRL to CEI?
A nonstop flight takes about 18h 11m 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 Harlingen and Chiang Rai?
Chiang Rai is 12 hours ahead of Harlingen.
What is the cheapest way to fly from HRL to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRL–CEI that never appear on search engines, with no booking fees.