Houston (IAH) to Frankfurt (FRA) flights
2 airlines fly nonstop from Houston (IAH) to Frankfurt (FRA): Lufthansa and United Airlines. The two airports are 5,221 miles (8,402 km) apart. Lufthansa and United Airlines are in Star Alliance. There are also 43 ways to fly it with one stop, through Toronto, Montreal and Detroit and more.
Airlines flying nonstop from IAH to FRA
- LufthansaStar Alliance · bookable with 11 programsWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to FRA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Lufthansa, United Airlines
- Air New Zealand AirpointsBooks Lufthansa, United Airlines
- ANA Mileage ClubBooks Lufthansa, United Airlines
- Avianca LifeMilesBooks Lufthansa, United Airlines
- EVA Air Infinity MileageLandsBooks Lufthansa, United Airlines
- Lufthansa Miles & MoreBooks Lufthansa, United Airlines
- Singapore Airlines KrisFlyerBooks Lufthansa, United Airlines
- TAP Miles&GoBooks Lufthansa, United Airlines
- Thai Royal Orchid PlusBooks Lufthansa, United Airlines
- Turkish Airlines Miles&SmilesBooks Lufthansa, United Airlines
- United MileagePlusBooks Lufthansa, United Airlines
- Emirates SkywardsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
IAH to FRA with one stop
43 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Toronto (YYZ)Air Canada the whole way





- Via Montreal (YUL)Air Canada the whole way



- Via Detroit (DTW)Delta Air Lines the whole way





- Via Amsterdam (AMS)KLM the whole way





- Via London (LHR)British Airways the whole way





- Via Saint Louis (STL)United Airlines, then Lufthansa


- Via Boston (BOS)United Airlines and JetBlue Airways, then Lufthansa and Condor




- Via Chicago (ORD)United Airlines the whole way






- Via New York (EWR)United Airlines the whole way



- Via Dulles (IAD)United Airlines the whole way



- Via New York (JFK)JetBlue Airways, then Delta Air Lines, Lufthansa and 2 more


+1
- Via Philadelphia (PHL)American Airlines and United Airlines, then Discover Airlines



- Via Atlanta (ATL)Delta Air Lines the whole way





- Via Paris (CDG)Air France the whole way


+3
- Via Charlotte (CLT)American Airlines the whole way




IAH to FRA: common questions
Which airlines fly nonstop from IAH to FRA?
Lufthansa (Star Alliance) and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Frankfurt (FRA).
How far is Houston from Frankfurt by plane?
Houston (IAH) and Frankfurt (FRA) are 5,221 miles (8,402 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAH to FRA award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer, TAP Miles&Go and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAH to FRA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to FRA with taxes and fees.
Where can I connect between Houston and Frankfurt?
The most direct connections are through Toronto (YYZ), Montreal (YUL), Detroit (DTW), Amsterdam (AMS) and London (LHR). On 17 of them the same airline flies both flights, for example Air Canada through Toronto.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.