Need help booking?
Unpublished phone-only deals available
SIR to VDH: distance & flight time
Sion (Sion Airport) → Dong Hoi (Dong Hoi Airport)
5,778 mi
9,298 km · 5,021 nm
11h 48m
estimated nonstop flight time
+5h
time difference · heading east
See live SIR→VDH fares Phone-only fares on this route — call free
Flight time details
5,778 miles nonstop takes roughly 11h 48m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- VDH — Dong Hoi Airport · Dong Hoi, 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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Near VDH
- VII · Vinh Airport104 mi away
- HUI · Phu Bai Airport106 mi away
- VNA · Saravane Airport125 mi away
- KOP · Nakhon Phanom Airport129 mi away
Frequently asked questions
How far is SIR from VDH?
The flight distance from Sion (SIR) to Dong Hoi (VDH) is 5,778 miles (9,298 km, 5,021 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to VDH?
A nonstop flight takes about 11h 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 Sion and Dong Hoi?
Dong Hoi is 5 hours ahead of Sion.
What is the cheapest way to fly from SIR to VDH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–VDH that never appear on search engines, with no booking fees.