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United · Route guide

Houston (IAH) to Santiago (SCL) United Flight Data

Everything you need to fly Houston to Santiago: 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

B767-300ER

Service

Daily Year-Round

Region

Latin America

The route

The direct connection between George Bush Intercontinental Airport in Houston and Arturo Merino Benitez International Airport in Santiago represents a vital corridor between the United States and Chile. Operated by United Airlines, this route provides essential connectivity for corporate travelers in the energy sector and leisure travelers heading to the diverse landscapes of the Southern Cone.

Spanning approximately 4,700 miles, this long-haul service is a cornerstone of United's Latin American network. The route operates daily using widebody aircraft, ensuring consistent capacity for passengers and cargo between these two major economic hubs.

This flight is the primary gateway for travelers from the Southern U.S. to Chile. It supports critical business links in mining and agriculture while serving as a primary entry point for tourists visiting the Andes, the Atacama Desert, and Patagonia.

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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 takes place in Terminal E; arrive at least 3 hours prior to departure for international processing.
Security: TSA PreCheck is available, but international terminal lines can peak between 5:00 PM and 8:00 PM.
Connections: IAH offers seamless transit via the Skyway and Subway automated people movers.

Arrival

Arturo Merino Benitez International Airport (SCL)

SCL

On arrival: Ensure you keep the PDI tourist card handed to you at immigration; you will need it to exit the country.
Ground transport: Use official taxi counters like Vía Controlada or Transvip shuttles located immediately after customs.
Planning ahead: Chile has very strict agricultural controls; declare all food items to avoid significant fines.

Timing & fares

When it flies, what it costs.

Schedule & reliability

Schedule: Flights generally depart Houston in the late evening (around 9:00 PM) and arrive in Santiago the following morning.
Duration: Northbound flights may take slightly longer due to prevailing headcurrents.
Seasonality: This route maintains a consistent daily schedule regardless of the season.
Time zones: Chile observes Daylight Savings Time on a different schedule than the U.S.; check local time offsets during October and March.

Fares & booking

Booking window: The sweet spot for booking this route is typically 60 to 90 days before departure.
Cabin advice: Given the 9+ hour flight time, Premium Economy offers a significant comfort boost over standard coach.
Peak pricing: Fares spike significantly around late December and during the Chilean Fiestas Patrias in mid-September.

Monitor fares at least 3 to 4 months in advance for peak Southern Hemisphere summer travel
Consider using MileagePlus miles for upgrades to Polaris business class on this long overnight segment
Tuesday and Wednesday departures often provide more competitive pricing than weekend flights

Peak season

December through February

Shoulder season

March to May and September to November

Off-peak season

June through August (except for ski enthusiasts)

Tours and experiences at either end

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

Browse tours

When to fly

Best Time to Fly Houston to Santiago

01
Summer (December - February)
Best weather for visiting Santiago and Southern Chile; peak demand and higher fares.
02
Winter (June - August)
Ideal for travelers heading to the world-class ski resorts in the Andes near Santiago.
03
Spring (September - November)
Mild temperatures and blooming vineyards; great for wine tours in the Central Valley.

Trip planning

Who this route suits best.

Corporate Professionals

Direct access to the financial heart of Chile from the major energy hub of Houston.

Nature Enthusiasts

The fastest way to reach the starting point for expeditions to Patagonia and the Lake District.

Leisure Travelers

Convenient overnight timing allows for maximizing vacation days upon arrival.

Connections & alternatives

Punta Arenas (PUQ)

Connect easily in Santiago for flights to the southernmost tip of the country.

Calama (CJC)

The primary gateway to San Pedro de Atacama for desert exploration.

Easter Island (IPC)

Santiago is the only city with direct commercial flights to this remote island.

Field notes

Travel Tips for the Houston-Santiago Route

Visa & entry

U.S. citizens currently enter Chile for tourism without a pre-arranged visa for up to 90 days
Passports must be valid for the duration of the stay
Check current health requirements and electronic customs forms on the official Chilean government portal

Airport transfers

The Centropuerto bus is the most economical way to reach the Los Héroes metro station
Official airport taxis offer fixed rates based on the destination neighborhood
Avoid unlicensed drivers soliciting passengers inside the arrivals hall

Baggage & transit

United Polaris passengers receive priority baggage handling and additional weight allowances
Pack a change of clothes in your carry-on as the overnight flight arrives early in the morning
If connecting in Houston from an international flight, you must clear customs and re-check bags

Checklist

Valid Passport
Completed Digital SAG/Customs Declaration
Universal power adapter (Type C or L)
Travel insurance documents

Carriers

Airlines Flying Houston to Santiago

United

7 flights per week

Exclusively utilizes Boeing 767-300ER aircraft for this route

FAQ

Common questions.

Straight answers about flying Houston to Santiago.

Does United fly direct from Houston to Santiago?

Yes, United Airlines operates a non-stop daily service from Houston (IAH) to Santiago (SCL).

What is the flight time between IAH and SCL?

The average flight duration is approximately 9 hours and 30 minutes for the southbound journey.

What aircraft does United use on the Houston to Santiago route?

United typically uses the Boeing 767-300ER, which features Polaris Business Class, Premium Plus, and Economy cabins.

Are there daily flights from Houston to Chile?

Yes, United provides year-round daily service between Houston Intercontinental and Santiago.

Is meal service included on United flights to Santiago?

Yes, since this is a long-haul international flight, United provides complimentary meals, snacks, and beverages to all passengers.

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Where to next.

Structured data verified

Airports

Houston (IAH)Santiago (SCL)George Bush Intercontinental Airport Arturo Merino Benitez International Airport

Countries & layovers

United States Houston layover guide Santiago layover guide

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