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CYS to HPH: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Haiphong (Cat Bi International Airport)
7,701 mi
12,394 km · 6,692 nm
15h 34m
estimated nonstop flight time
+13h
time difference · heading northwest
See live CYS→HPH fares Phone-only fares on this route — call free
Flight time details
7,701 miles nonstop takes roughly 15h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, United States
- HPH — Cat Bi International Airport · Haiphong, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Near HPH
- HAN · Noi Bai International Airport65 mi away
Frequently asked questions
How far is CYS from HPH?
The flight distance from Cheyenne (CYS) to Haiphong (HPH) is 7,701 miles (12,394 km, 6,692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to HPH?
A nonstop flight takes about 15h 34m 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 Cheyenne and Haiphong?
Haiphong is 13 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to HPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–HPH that never appear on search engines, with no booking fees.