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SNO to IAD: distance & flight time
Sakon Nakhon (Sakon Nakhon Airport) → Washington (Washington Dulles International Airport)
8,557 mi
13,771 km · 7,435 nm
17h 15m
estimated nonstop flight time
-11h
time difference · heading north
See live SNO→IAD fares Phone-only fares on this route — call free
Flight time details
8,557 miles nonstop takes roughly 17h 15m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- SNO — Sakon Nakhon Airport · Sakon Nakhon, Thailand
- IAD — Washington Dulles International Airport · Washington, 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 SNO
- KOP · Nakhon Phanom Airport37 mi away
- ZVK · Savannakhet Airport61 mi away
- ROI · Roi Et Airport78 mi away
- UTH · Udon Thani Airport89 mi away
Frequently asked questions
How far is SNO from IAD?
The flight distance from Sakon Nakhon (SNO) to Washington (IAD) is 8,557 miles (13,771 km, 7,435 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SNO to IAD?
A nonstop flight takes about 17h 15m 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 Sakon Nakhon and Washington?
Washington is 11 hours behind Sakon Nakhon.
What is the cheapest way to fly from SNO to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SNO–IAD that never appear on search engines, with no booking fees.