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UIH to STL: distance & flight time
Phucat (Phu Cat Airport) → St. Louis (St Louis Lambert International Airport)
8,585 mi
13,817 km · 7,460 nm
17h 18m
estimated nonstop flight time
-12h
time difference · heading north
See live UIH→STL fares Phone-only fares on this route — call free
Flight time details
8,585 miles nonstop takes roughly 17h 18m 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
- UIH — Phu Cat Airport · Phucat, Vietnam
- STL — St Louis Lambert International Airport · St. Louis, 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 UIH
- TBB · Dong Tac Airport66 mi away
- PXU · Pleiku Airport69 mi away
- VCL · Chu Lai International Airport103 mi away
- BMV · Buon Ma Thuot Airport108 mi away
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is UIH from STL?
The flight distance from Phucat (UIH) to St. Louis (STL) is 8,585 miles (13,817 km, 7,460 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UIH to STL?
A nonstop flight takes about 17h 18m 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 Phucat and St. Louis?
St. Louis is 12 hours behind Phucat.
What is the cheapest way to fly from UIH to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UIH–STL that never appear on search engines, with no booking fees.