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United · Route guide

Houston to Buenos Aires: United Airlines Route Guide

Everything you need to fly Houston to Buenos Aires: when to go, who flies it, what it costs, and how to land well.

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1 airline on this route · Daily Year-Round

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Airline

United

Aircraft

B787-9

Service

Daily Year-Round

Region

Latin America

The route

The direct flight route between Houston George Bush Intercontinental (IAH) and Buenos Aires Ministro Pistarini (EZE) is a critical link between North and South America. Operated by United Airlines, this long-haul service provides travelers with a seamless connection to the capital of Argentina, famous for its tango, steak, and European-style architecture.

This route covers approximately 5,060 miles and is operated daily. As a year-round service, it remains a consistent choice for both business and leisure travelers heading from the United States to Latin America.

As a primary hub for United, Houston serves as the main gateway for passengers connecting from the Central and Western United States to the Southern Cone. This direct flight eliminates the need for connections in other major hubs, saving significant travel time.
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Airports

Taking off, touching down.

Check-in, security, connections and getting into town at both ends of the flight.

Departure

George Bush Intercontinental Airport (IAH)

IAH
Check-in
Check-in typically occurs in Terminal C or E for United international flights; arrive 3 hours early.
Security
TSA PreCheck is available in all terminals, but lines can be long during the late afternoon rush.
Connections
IAH is a massive hub with high-speed trains connecting all terminals.
Arrival

Ministro Pistarini International Airport (EZE)

EZE
On arrival
Ensure all customs forms are completed accurately before reaching the immigration desk.
Ground transport
Use official Remis car services or the Manuel Tienda Leon bus for safe transport to the city.
Planning ahead
The airport is located about 20 miles from downtown Buenos Aires, which can take an hour in traffic.
Timing & fares

When it flies, what it costs.

Schedule & reliability

Schedule
Flights usually depart Houston in the late evening and arrive in Buenos Aires the following morning.
Duration
The average flight time is approximately 10 hours and 15 minutes.
Seasonality
The route operates daily throughout the year without seasonal pauses.
Time zones
Buenos Aires is typically 2 to 3 hours ahead of Houston depending on the time of year.

Fares & booking

Booking window
Optimal booking is usually 3-5 months out for peak summer (December-February).
Cabin advice
The B787-9 features United Polaris, which is excellent for sleep on this 10-hour flight.
Peak pricing
Prices spike significantly during the Southern Hemisphere summer and the July winter break.
  • Book at least 60 days in advance to secure the best pricing for international travel.
  • Use the United mobile app to monitor for upgrade opportunities to Polaris Business Class.
  • Consider flying on Tuesdays or Wednesdays for lower fare availability.

Peak season

December to February

Shoulder season

March to May and September to November

Off-peak season

June to August

Tours and experiences at either end

Vetted day trips and activities in Buenos Aires and Houston, through our travel partner.

Browse tours
When to fly

Best Time to Fly Houston to Buenos Aires

  1. 01

    Spring (September to November)

    Ideal for seeing the city in bloom with mild temperatures.

  2. 02

    Autumn (March to May)

    Crisp air and beautiful foliage with fewer tourists.

Trip planning

Who this route suits best.

Business Travelers

Direct overnight flights allow for a full day of meetings upon arrival.

Leisure Travelers

Convenient access to Argentine culture, wine regions, and Patagonia connections.

Connections & alternatives

Santiago (SCL)

Frequent regional connections from Buenos Aires for a multi-country trip.

Mendoza (MDZ)

A short domestic flight from Buenos Aires for wine enthusiasts.

Field notes

Travel Tips for the Houston-Buenos Aires Route

Visa & entry

  • US citizens do not need a visa for tourist stays of up to 90 days.
  • A valid passport with at least six months of remaining validity is required.
  • Check for updated reciprocity fees or health requirements before your departure date.

Airport transfers

  • Avoid unlicensed taxi drivers in the arrival hall; go directly to official kiosks.
  • Private transfers can be pre-arranged for a fixed price to avoid currency exchange stress.
  • Ride-sharing apps operate in Buenos Aires but may have specific pickup locations at EZE.

Baggage & transit

  • Standard international baggage rules apply; check your specific fare class for weight limits.
  • Since this is an overnight flight, bring essential toiletries in your carry-on for the morning arrival.
  • Ensure all electronics are charged; while the B787-9 has outlets, it is good to have a backup.

Checklist

  • Valid Passport
  • Travel Insurance Documentation
  • Universal Power Adapter (Type I or C)
  • Small denominations of US Dollars for exchange
Carriers

Airlines Flying Houston to Buenos Aires

United

7 flights per week

Exclusively uses the Boeing 787-9 Dreamliner on this route.

FAQ

Common questions.

Straight answers about flying Houston to Buenos Aires.

How long is the flight from Houston to Buenos Aires?

The non-stop flight takes approximately 10 hours and 15 minutes.

Does United fly a Dreamliner on the IAH to EZE route?

Yes, United typically operates this route using the Boeing 787-9 Dreamliner.

Is this a daily flight?

Yes, United operates this service daily and year-round.

What terminal does United use at IAH for this flight?

International departures usually leave from Terminal E or Terminal C at Houston George Bush Intercontinental.

Are meals provided on this flight?

Yes, as a long-haul international flight, United provides complimentary meal service and beverages.

Keep exploring

Where to next.

Structured data verified

Airports

Houston (IAH)Buenos Aires (EZE)George Bush Intercontinental AirportMinistro Pistarini International Airport

Countries & layovers

United StatesBuenos Aires layover guideHouston layover guide

More on United

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