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IAD to VCS: distance & flight time
Washington (Washington Dulles International Airport) → Conson (Co Ong Airport)
9,132 mi
14,697 km · 7,936 nm
18h 22m
estimated nonstop flight time
+11h
time difference · heading north
See live IAD→VCS fares Phone-only fares on this route — call free
Flight time details
9,132 miles nonstop takes roughly 18h 22m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- VCS — Co Ong Airport · Conson, 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 IAD
Near VCS
- CAH · Cà Mau Airport104 mi away
- VCA · Can Tho International Airport113 mi away
- VKG · Rach Gia Airport133 mi away
- SGN · Tan Son Nhat International Airport144 mi away
Frequently asked questions
How far is IAD from VCS?
The flight distance from Washington (IAD) to Conson (VCS) is 9,132 miles (14,697 km, 7,936 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to VCS?
A nonstop flight takes about 18h 22m 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 Washington and Conson?
Conson is 11 hours ahead of Washington.
What is the cheapest way to fly from IAD to VCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–VCS that never appear on search engines, with no booking fees.