$475 Cheap Flights from Pasto (PSO) to Houston (IAH)

View $475 flight on Sun, Aug 3, 2025Opens in a new window

Popular airlines from Pasto (PSO-Antonio Narino) to George Bush Intercontinental Airport (IAH)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Pasto to Houston (PSO-IAH)

Prices were available within the past 7 days and start at $475 for one-way flights and $1,195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Thu, Dec 18 - Sun, Dec 21
PSO
San Juan de Pasto
IAH
Houston
$1,195 Roundtrip, found 4 days ago
$1,195
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Thu, Dec 18 from San Juan de Pasto to Houston, returning Sun, Dec 21, priced at $1,195 found 4 days ago
avianca
Thu, Dec 18 - Sun, Dec 21
PSO
San Juan de Pasto
IAH
Houston
$1,252 Roundtrip, found 4 days ago
$1,252
Roundtrip
found 4 days ago
Select avianca flight, departing Thu, Dec 18 from San Juan de Pasto to Houston, returning Sun, Dec 21, priced at $1,252 found 4 days ago
LATAM Airlines Group
Thu, Dec 18 - Sun, Dec 21
PSO
San Juan de Pasto
IAH
Houston
$1,261 Roundtrip, found 4 days ago
$1,261
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Thu, Dec 18 from San Juan de Pasto to Houston, returning Sun, Dec 21, priced at $1,261 found 4 days ago
LATAM Airlines Group
Thu, Dec 18 - Sun, Dec 21
PSO
San Juan de Pasto
IAH
Houston
$1,266 Roundtrip, found 4 days ago
$1,266
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Thu, Dec 18 from San Juan de Pasto to Houston, returning Sun, Dec 21, priced at $1,266 found 4 days ago
avianca
Thu, Dec 18 - Sun, Dec 21
PSO
San Juan de Pasto
IAH
Houston
$1,269 Roundtrip, found 4 days ago
$1,269
Roundtrip
found 4 days ago
Select avianca flight, departing Thu, Dec 18 from San Juan de Pasto to Houston, returning Sun, Dec 21, priced at $1,269 found 4 days ago
avianca
Thu, Dec 18 - Sun, Dec 21
PSO
San Juan de Pasto
IAH
Houston
$1,286 Roundtrip, found 4 days ago
$1,286
Roundtrip
found 4 days ago
Select avianca flight, departing Thu, Dec 18 from San Juan de Pasto to Houston, returning Sun, Dec 21, priced at $1,286 found 4 days ago
LATAM Airlines Group
Thu, Dec 18 - Sun, Dec 21
PSO
San Juan de Pasto
IAH
Houston
$3,479 Roundtrip, found 4 days ago
$3,479
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Thu, Dec 18 from San Juan de Pasto to Houston, returning Sun, Dec 21, priced at $3,479 found 4 days ago
Flights from Pasto (PSO) to Houston (IAH)
Origin airport
Antonio Narino
Destination airport
George Bush Intercontinental
Roundtrip price
$1,194
Distance
2303 mi

Pasto to Houston Flights

The cheapest times to fly from Pasto to Houston

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 Pasto to Houston are during the month of December. You can find some of the cheapest flights from Pasto to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pasto to Houston

Sunday is one of the best days to book for cheap flights from Pasto to Houston: 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 Pasto to Houston

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 Pasto to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $475 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 Pasto to Houston 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 Pasto to Houston 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 Antonio Narino Airport (PSO) to George Bush Intercontinental Airport (IAH) cost?
Discover the latest flight deals from PSO to IAH 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 PSO to IAH?
The cheapest flights from PSO to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PSO to IAH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PSO to IAH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Antonio Narino Airport (PSO) to George Bush Intercontinental Airport (IAH)?
Nonstop flights from Antonio Narino Airport (PSO) to George Bush Intercontinental Airport (IAH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSO to IAH?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Antonio Narino Airport (PSO) to George Bush Intercontinental Airport (IAH)?
Opt for a flight from Antonio Narino Airport (PSO) to George Bush Intercontinental Airport (IAH) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 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.
Is it cheaper to buy a plane ticket from Antonio Narino Airport (PSO) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your ticket from PSO to IAH shortly before your getaway is usually more expensive. However, if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a PSO to IAH flight and hotel package?
You can save money by securing a PSO to IAH 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 convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Antonio Narino Airport (PSO) to George Bush Intercontinental Airport (IAH)?
In most instances, you can reschedule or cancel your PSO to IAH flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further information, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.