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Flights from Houston to Graz
There are no direct flights from Houston to Graz. The fastest way is one stop via Frankfurt or Munich, about 11h 39m door to door (4 connections a week on current schedules).
No direct flights · 2 connection options From 11h 39m
Houston to Graz at a glance
Fastest journey11h 39mVia Frankfurt, on current schedules
Nonstop flightsNoneConnect via Frankfurt or Munich
Best ways to fly from Houston to Graz
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
HOU Frankfurt (FRA) GRZ
Leg 1: Lufthansa, United Airlines · Leg 2: Air Dolomiti, Lufthansa
Sun19:15 HOU11:27 FRA1h 18m connection12:45 FRA13:54 GRZUnited Airlines + Air Dolomiti
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 9,027 km5,606 miles
- Journey time
- 11h 39mon current schedules
- Time difference
- +7hGraz vs Houston
- Currency in Graz
- EUR
- Airports
- IAH, HOU → GRZ
Flights from Houston to Graz: questions answered
Are there direct flights from Houston to Graz?
No. There is no nonstop service, so you will connect, most easily in Frankfurt and Munich. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Houston to Graz?
With one connection the journey usually takes around 11h 39m, depending on the layover. The straight-line distance is 9,027 km.
Where do you change planes between Houston and Graz?
The best connecting points are Frankfurt (FRA) and Munich (MUC). Lufthansa flies both legs via Frankfurt, so you can book it as one ticket.
Which airports serve Houston and Graz?
Houston: George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU). Graz: Graz Airport (GRZ).
What is the time difference between Houston and Graz?
Graz is 7 hours ahead of Houston.





