Need help booking?
Unpublished phone-only deals available
DIN to SEP: distance & flight time
Dienbienphu (Dien Bien Phu Airport) → Stephenville (Stephenville Clark Regional Airport)
8,477 mi
13,642 km · 7,366 nm
17h 5m
estimated nonstop flight time
-12h
time difference · heading north
See live DIN→SEP fares Phone-only fares on this route — call free
Flight time details
8,477 miles nonstop takes roughly 17h 5m 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
- DIN — Dien Bien Phu Airport · Dienbienphu, Vietnam
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 DIN
- SQH · Na-San Airport67 mi away
- PCQ · Boun Neau Airport73 mi away
- ODY · Oudomsay Airport82 mi away
- NEU · Sam Neua Airport96 mi away
Near SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is DIN from SEP?
The flight distance from Dienbienphu (DIN) to Stephenville (SEP) is 8,477 miles (13,642 km, 7,366 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DIN to SEP?
A nonstop flight takes about 17h 5m 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 Dienbienphu and Stephenville?
Stephenville is 12 hours behind Dienbienphu.
What is the cheapest way to fly from DIN to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DIN–SEP that never appear on search engines, with no booking fees.