$284 Cheap Flights from Houston (IAH) to Santiago (SCL)

View $284 flight on Thu, Sep 11, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Santiago Intl. Airport (SCL)

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Find available prices by choosing your travel dates.

Cheap Flights from Houston to Santiago (IAH-SCL)

Prices were available within the past 7 days and start at $284 for one-way flights and $600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Thu, Sep 11 - Wed, Sep 24
IAH
Houston
SCL
Santiago
$600 Roundtrip, found 1 day ago
$600
Roundtrip
found 1 day ago
Select avianca flight, departing Thu, Sep 11 from Houston to Santiago, returning Wed, Sep 24, priced at $600 found 1 day ago
avianca
Sun, Jun 1 - Tue, Jun 3
IAH
Houston
SCL
Santiago
$612 Roundtrip, found 2 days ago
$612
Roundtrip
found 2 days ago
Select avianca flight, departing Sun, Jun 1 from Houston to Santiago, returning Tue, Jun 3, priced at $612 found 2 days ago
avianca
Tue, Jun 17 - Sun, Jun 29
IAH
Houston
SCL
Santiago
$614 Roundtrip, found 21 hours ago
$614
Roundtrip
found 21 hours ago
Select avianca flight, departing Tue, Jun 17 from Houston to Santiago, returning Sun, Jun 29, priced at $614 found 21 hours ago
avianca
Thu, Sep 11 - Wed, Sep 24
IAH
Houston
SCL
Santiago
$617 Roundtrip, found 1 day ago
$617
Roundtrip
found 1 day ago
Select avianca flight, departing Thu, Sep 11 from Houston to Santiago, returning Wed, Sep 24, priced at $617 found 1 day ago
avianca
Sat, May 31 - Sat, Jul 26
IAH
Houston
SCL
Santiago
$619 Roundtrip, found 2 days ago
$619
Roundtrip
found 2 days ago
Select avianca flight, departing Sat, May 31 from Houston to Santiago, returning Sat, Jul 26, priced at $619 found 2 days ago
avianca
Tue, Jun 17 - Sun, Jun 29
IAH
Houston
SCL
Santiago
$626 Roundtrip, found 21 hours ago
$626
Roundtrip
found 21 hours ago
Select avianca flight, departing Tue, Jun 17 from Houston to Santiago, returning Sun, Jun 29, priced at $626 found 21 hours ago
Air Canada
Mon, Jan 5 - Tue, Jan 20
IAH
Houston
SCL
Santiago
$1,162 Roundtrip, found 3 days ago
$1,162
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Jan 5 from Houston to Santiago, returning Tue, Jan 20, priced at $1,162 found 3 days ago
United
Thu, Jan 15 - Wed, Jan 28
IAH
Houston
SCL
Santiago
$1,349 Roundtrip, found 5 days ago
$1,349
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 15 from Houston to Santiago, returning Wed, Jan 28, priced at $1,349 found 5 days ago
American Airlines
Mon, Jun 30 - Mon, Jul 7
IAH
Houston
SCL
Santiago
$1,364 Roundtrip, found 1 hour ago
$1,364
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Jun 30 from Houston to Santiago, returning Mon, Jul 7, priced at $1,364 found 1 hour ago
Delta
Mon, Jun 30 - Mon, Jul 7
IAH
Houston
SCL
Santiago
$1,364 Roundtrip, found 1 hour ago
$1,364
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Jun 30 from Houston to Santiago, returning Mon, Jul 7, priced at $1,364 found 1 hour ago
Flights from Houston (IAH) to Santiago (SCL)
Origin airport
George Bush Intercontinental
Destination airport
Arturo Merino Benitez
Airlines serving
Aeromexico, Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$600
Distance
4663 mi

Houston to Santiago Flights

The cheapest times to fly from Houston to Santiago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Santiago are during the month of September. You can find some of the cheapest flights from Houston to Santiago with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Houston to Santiago

Sunday is one of the best days to book for cheap flights from Houston to Santiago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Houston to Santiago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Santiago in 2025. You can also book with separate airlines for your outbound and return journeys, from $284 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Santiago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Santiago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL) cost?
Discover the latest flight deals from IAH to SCL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAH to SCL?
The cheapest flights from IAH to SCL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL)?
Fly directly from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL) on a United Airlines flight.
What is the cheapest airline that flies from IAH to SCL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IAH to SCL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL)?
On average, only 1 nonstop flight departs each day from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL). Need more options? Use Expedia’s filters to find flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL)?
More travelers fly between IAH and SCL at 8 PM than at any other time of day. Rather skip the crowds? Pick a flight outside the busiest times and there’s a chance you’ll save on your ticket as well.
What day of the week has the most flights from IAH to SCL?
If you jet off on a Saturday, you’ll get the biggest range of choices for flights from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL)?
The earliest flight departing from George Bush Intercontinental Airport (IAH) is at around 8:25PM UTC-6. Board this flight and you’ll touch down at Arturo Merino Benitez Airport (SCL) at approximately 8:50AM UTC-3. The overall travel time is 9h 25m.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL)?
It takes around 9 hours and 25 minutes to fly the 4,700 mi from IAH to SCL.
What airline has the least delays from IAH to SCL?
Consider traveling with United Airlines if you’d like to fly straight from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL) without any interruptions. This airline has the strongest track record for punctuality, with an on-time performance of 85%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Santiago from George Bush Intercontinental Airport (IAH)?
Browse your flight options from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL). This is the only Santiago airport you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL) last-minute?
Last-minute fares from IAH to SCL are usually more expensive. To secure the lowest rates, start searching for flights early. That said, if you’re flexible with your travel dates, it’s possible to land a cheap ticket right before your journey.
Is it cheaper to book an IAH to SCL flight and hotel package?
You’ll generally save money by booking an IAH to SCL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. After choosing your ideal accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Arturo Merino Benitez Airport (SCL)?
In most instances, you can cancel or reschedule your IAH to SCL flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline’s fees and policies on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.