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SEP to DIN: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Dienbienphu (Dien Bien Phu Airport)
8,477 mi
13,642 km · 7,366 nm
17h 5m
estimated nonstop flight time
+12h
time difference · heading northwest
See live SEP→DIN fares Phone-only fares on this route — call free
Flight time details
8,477 miles nonstop takes roughly 17h 5m 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
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- DIN — Dien Bien Phu Airport · Dienbienphu, 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 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
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
Frequently asked questions
How far is SEP from DIN?
The flight distance from Stephenville (SEP) to Dienbienphu (DIN) 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 SEP to DIN?
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 Stephenville and Dienbienphu?
Dienbienphu is 12 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to DIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–DIN that never appear on search engines, with no booking fees.