Need help booking?
Unpublished phone-only deals available
ISN to HAN: distance & flight time
Williston (Sloulin Field International Airport) → Hanoi (Noi Bai International Airport)
7,307 mi
11,760 km · 6,350 nm
14h 48m
estimated nonstop flight time
+12h
time difference · heading northwest
See live ISN→HAN fares Phone-only fares on this route — call free
Flight time details
7,307 miles nonstop takes roughly 14h 48m gate to gate, flying northwest. 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
- ISN — Sloulin Field International Airport · Williston, United States
- HAN — Noi Bai International Airport · Hanoi, Vietnam
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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near HAN
- HPH · Cat Bi International Airport65 mi away
- SQH · Na-San Airport114 mi away
- NEU · Sam Neua Airport125 mi away
Frequently asked questions
How far is ISN from HAN?
The flight distance from Williston (ISN) to Hanoi (HAN) is 7,307 miles (11,760 km, 6,350 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to HAN?
A nonstop flight takes about 14h 48m 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 Williston and Hanoi?
Hanoi is 12 hours ahead of Williston.
What is the cheapest way to fly from ISN to HAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–HAN that never appear on search engines, with no booking fees.