Houston to Buenos Aires: United Airlines Route Guide

Everything you need to fly Origin to Destination: timing, airlines, and insider tips.

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IAHEZE
1 airline flying this route

Daily Year-Round

Flown by United

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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Airline

United

Region

Latin America

Aircraft

B787-9

Service

Daily Year-Round

UA-IAH-EZEDownload on the App Store

Airports

Landing and taking off

Departure

George Bush Intercontinental Airport (IAH)

Check-In

Check-in typically occurs in Terminal C or E for United international flights; arrive 3 hours early.

Connections

IAH is a massive hub with high-speed trains connecting all terminals.

Security

TSA PreCheck is available in all terminals, but lines can be long during the late afternoon rush.

Arrival

Ministro Pistarini International Airport (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.

Booking, timing and fares

Timing & 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.

Peak

December to February

Shoulder

March to May and September to November

Off-Peak

June to August

  • 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.

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Best Time to Fly Origin to Destination

Spring (September to November)

Ideal for seeing the city in bloom with mild temperatures.

Autumn (March to May)

Crisp air and beautiful foliage with fewer tourists.

Trip Planning

Who this route suits

Best For

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.

Travel Tips for the Origin-Destination Route

Good to Know

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

Airlines Flying Origin to Destination

United

7 flights per week

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

Common questions

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.

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