$510 Cheap Flights from Houston (IAH) to Asuncion (ASU)

View $510 flight on Wed, Mar 4, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Asuncion (ASU-Silvio Pettirossi Intl.)

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Cheap Flights from Houston to Asuncion (IAH-ASU)

Prices were available within the past 7 days and start at $510 for one-way flights and $1,047 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 19 - Wed, Dec 3
IAH
Houston
ASU
Asuncion
$1,047 Roundtrip, found 2 days ago
$1,047
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 19 from Houston to Asuncion, returning Wed, Dec 3, priced at $1,047 found 2 days ago
United
Tue, Mar 31 - Wed, Apr 15
IAH
Houston
ASU
Asuncion
$1,055 Roundtrip, found 5 days ago
$1,055
Roundtrip
found 5 days ago
Select United flight, departing Tue, Mar 31 from Houston to Asuncion, returning Wed, Apr 15, priced at $1,055 found 5 days ago
United
Thu, Nov 27 - Thu, Dec 4
IAH
Houston
ASU
Asuncion
$1,056 Roundtrip, found 12 hours ago
$1,056
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Nov 27 from Houston to Asuncion, returning Thu, Dec 4, priced at $1,056 found 12 hours ago
United
Tue, Nov 25 - Thu, Dec 4
IAH
Houston
ASU
Asuncion
$1,058 Roundtrip, found 12 hours ago
$1,058
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Nov 25 from Houston to Asuncion, returning Thu, Dec 4, priced at $1,058 found 12 hours ago
United
Tue, Mar 3 - Mon, Mar 16
IAH
Houston
ASU
Asuncion
$1,060 Roundtrip, found 5 days ago
$1,060
Roundtrip
found 5 days ago
Select United flight, departing Tue, Mar 3 from Houston to Asuncion, returning Mon, Mar 16, priced at $1,060 found 5 days ago
United
Wed, Mar 4 - Mon, Mar 16
IAH
Houston
ASU
Asuncion
$1,062 Roundtrip, found 1 day ago
$1,062
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 4 from Houston to Asuncion, returning Mon, Mar 16, priced at $1,062 found 1 day ago
Delta
Wed, Mar 4 - Mon, Mar 16
IAH
Houston
ASU
Asuncion
$1,080 Roundtrip, found 1 day ago
$1,080
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 4 from Houston to Asuncion, returning Mon, Mar 16, priced at $1,080 found 1 day ago
Aeromexico
Mon, Mar 2 - Fri, Mar 20
IAH
Houston
ASU
Asuncion
$1,088 Roundtrip, found 5 days ago
$1,088
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Mon, Mar 2 from Houston to Asuncion, returning Fri, Mar 20, priced at $1,088 found 5 days ago
LATAM Airlines Group
Mon, Mar 16 - Tue, Mar 31
IAH
Houston
ASU
Asuncion
$1,100 Roundtrip, found 11 hours ago
$1,100
Roundtrip
found 11 hours ago
Select LATAM Airlines Group flight, departing Mon, Mar 16 from Houston to Asuncion, returning Tue, Mar 31, priced at $1,100 found 11 hours ago
avianca
Wed, Oct 8 - Sun, Oct 12
IAH
Houston
ASU
Asuncion
$1,128 Roundtrip, found 7 hours ago
$1,128
Roundtrip
found 7 hours ago
Select avianca flight, departing Wed, Oct 8 from Houston to Asuncion, returning Sun, Oct 12, priced at $1,128 found 7 hours ago

Alternative airports near Asunción

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Silvio Pettirossi Intl. ASU. Cheapest and Closest option available. Average driving time to city center is 21 minutes. Flights from $1,486
ASU
Silvio Pettirossi Intl.
CheapestClosest
Average driving time to city center21 min
Flights from $1,486
Flights from Houston (IAH) to Asuncion (ASU)
Origin airport
George Bush Intercontinental
Destination airport
Silvio Pettirossi Intl.
Airlines serving
Copa, GOL Linhas Aereas S.A., LATAM Airlines Group, United, avianca
Roundtrip price
$1,047
Distance
4564 mi

Houston to Asuncion Flights

The cheapest times to fly from Houston to Asuncion

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

 

The best time to book a flight from Houston to Asuncion

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

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 Asuncion in 2025. You can also book with separate airlines for your outbound and return journeys, from $510 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 Asuncion 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 Asuncion 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 Silvio Pettirossi Intl. Airport (ASU) cost?
Get a cheap one-way flight from $510 or cheap return flight from $1,047 from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU)?
November is the cheapest month to fly from IAH to ASU. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU)?
To find the cheapest airline flying from IAH to ASU, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU)?
Nonstop flights from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to ASU?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU)?
Choose a flight from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU) that leaves before 3 PM to reduce the likelihood of delays. 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 George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU) last-minute?
Last-minute bookings from IAH to ASU are typically more expensive. To lock in the best rates, start looking for flights early. That said, if you're flexible with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book an IAH to ASU flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAH to ASU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Silvio Pettirossi Intl. Airport (ASU)?
You can usually reschedule or cancel your IAH to ASU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.