United States to Argentina · 5,078 miles (8,172 km)

Houston (IAH) to Buenos Aires (EZE) flights

One airline flies nonstop from Houston (IAH) to Buenos Aires (EZE): United Airlines. The two airports are 5,078 miles (8,172 km) apart. United Airlines is in Star Alliance. There are also 17 ways to fly it with one stop, through Quito, Cancun and Panama City and more.

Airlines flying nonstop from IAH to EZE

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to EZE with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAH to EZE with one stop

17 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Quito (UIO)United Airlines, then AVIANCA
    United Airlines logo
    AVIANCA logo
  • Via Cancun (CUN)United Airlines and Frontier Airlines, then Aerolineas Argentinas
    United Airlines logo
    Frontier Airlines logo
    Aerolineas Argentinas logo
  • Via Panama City (PTY)United Airlines, then Copa Airlines
    United Airlines logo
    Copa Airlines logo
  • Via Lima (LIM)United Airlines, then LATAM Airlines and JetSMART
    United Airlines logo
    LATAM Airlines logo
    JetSMART logo
  • Via Medellin (MDE)United Airlines, then AVIANCA and JetSMART
    United Airlines logo
    AVIANCA logo
    JetSMART logo
  • Via Bogota (BOG)United Airlines, then AVIANCA
    United Airlines logo
    AVIANCA logo
  • Via Mexico City (MEX)Aeromexico the whole way
    Aeromexico logo
    United Airlines logo
    VivaAerobus logo
    +1
    Aeromexico logo
  • Via Santiago (SCL)United Airlines, then Sky Airline, KLM and 1 more
    United Airlines logo
    Sky Airline logo
    KLM logo
    LATAM Airlines logo
  • Via Aruba (AUA)United Airlines, then Aerolineas Argentinas
    United Airlines logo
    Aerolineas Argentinas logo
  • Via Miami (MIA)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Aerolineas Argentinas logo
    LATAM Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Santo Domingo (SDQ)United Airlines, then Arajet
    United Airlines logo
    Arajet logo
  • Via Punta Cana (PUJ)United Airlines, then Aerolineas Argentinas and Arajet
    United Airlines logo
    Aerolineas Argentinas logo
    Arajet logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Sao Paulo (GRU)United Airlines, then Ethiopian Airlines, Turkish Airlines and 3 more
    United Airlines logo
    Ethiopian Airlines logo
    Turkish Airlines logo
    LATAM Airlines logo
    +2
See all 17 in Routes

IAH to EZE: common questions

Which airlines fly nonstop from IAH to EZE?

United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Buenos Aires (EZE).

How far is Houston from Buenos Aires by plane?

Houston (IAH) and Buenos Aires (EZE) are 5,078 miles (8,172 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 EZE 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, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More 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 EZE 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 EZE with taxes and fees.

Where can I connect between Houston and Buenos Aires?

The most direct connections are through Quito (UIO), Cancun (CUN), Panama City (PTY), Lima (LIM) and Medellin (MDE). On 4 of them the same airline flies both flights, for example Aeromexico through Mexico City.

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.