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HHQ to IAG: distance & flight time
Prachuap Khiri Khan (Hua Hin Airport) → Niagara Falls (Niagara Falls International Airport)
8,585 mi
13,816 km · 7,460 nm
17h 18m
estimated nonstop flight time
-12h
time difference · heading north
See live HHQ→IAG fares Phone-only fares on this route — call free
Flight time details
8,585 miles nonstop takes roughly 17h 18m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- HHQ — Hua Hin Airport · Prachuap Khiri Khan, Thailand
- IAG — Niagara Falls International Airport · Niagara Falls, United States
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 HHQ
- UTP · U-Tapao International Airport71 mi away
- BKK · Suvarnabhumi Airport90 mi away
- MGZ · Myeik Airport91 mi away
- DMK · Don Mueang International Airport99 mi away
Near IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
Frequently asked questions
How far is HHQ from IAG?
The flight distance from Prachuap Khiri Khan (HHQ) to Niagara Falls (IAG) is 8,585 miles (13,816 km, 7,460 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHQ to IAG?
A nonstop flight takes about 17h 18m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HHQ to IAG?
Nonstop service on HHQ–IAG depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 18m nonstop estimate.
What is the time difference between Prachuap Khiri Khan and Niagara Falls?
Niagara Falls is 12 hours behind Prachuap Khiri Khan.
What is the cheapest way to fly from HHQ to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHQ–IAG that never appear on search engines, with no booking fees.
Why are some HHQ to IAG fares phone-only?
Consolidator contracts let us sell certain HHQ–IAG tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.