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IAH to LIS: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Lisbon (Humberto Delgado Airport (Lisbon Portela Airport))
4,770 mi
7,677 km · 4,145 nm
9h 49m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAH→LIS fares Phone-only fares on this route — call free
Flight time details
4,770 miles nonstop takes roughly 9h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- LIS — Humberto Delgado Airport (Lisbon Portela Airport) · Lisbon, Portugal
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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near LIS
- AVR · Alverca Air Base9 mi away
- CAT · Cascais Airport12 mi away
- QLR · Monte Real Air Base74 mi away
- BYJ · Beja Airport / Airbase81 mi away
Frequently asked questions
How far is IAH from LIS?
The flight distance from Houston (IAH) to Lisbon (LIS) is 4,770 miles (7,677 km, 4,145 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to LIS?
A nonstop flight takes about 9h 49m 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 Houston and Lisbon?
Lisbon is 6 hours ahead of Houston.
What is the cheapest way to fly from IAH to LIS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–LIS that never appear on search engines, with no booking fees.