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OPO to AAP: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Houston (Andrau Airpark)
4,752 mi
7,647 km · 4,129 nm
9h 47m
estimated nonstop flight time
-6h
time difference · heading west
See live OPO→AAP fares Phone-only fares on this route — call free
Flight time details
4,752 miles nonstop takes roughly 9h 47m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- AAP — Andrau Airpark · Houston, 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 OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 mi away
Near AAP
- IAH · George Bush Intercontinental Houston Airport23 mi away
- SGR · Sugar Land Regional Airport8 mi away
- IWS · West Houston Airport8 mi away
- HOU · William P Hobby Airport19 mi away
Frequently asked questions
How far is OPO from AAP?
The flight distance from Porto (OPO) to Houston (AAP) is 4,752 miles (7,647 km, 4,129 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to AAP?
A nonstop flight takes about 9h 47m 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 Porto and Houston?
Houston is 6 hours behind Porto.
What is the cheapest way to fly from OPO to AAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–AAP that never appear on search engines, with no booking fees.