$771 Cheap Flights from Trieste (TRS) to Houston (HOU)

View $771 flight on Mon, Oct 13, 2025Opens in a new window

Popular airlines from Friuli Venezia Giulia Airport (TRS) to Houston William Hobby Airport (HOU)

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Cheap Flights from Trieste to Houston (TRS-HOU)

Prices were available within the past 7 days and start at $771 for one-way flights and $869 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Oct 1 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$869 Roundtrip, found 7 hours ago
$869
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Oct 1 from Trieste to Houston, returning Sun, Oct 12, priced at $869 found 7 hours ago
Lufthansa
Wed, Oct 1 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$880 Roundtrip, found 7 hours ago
$880
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Oct 1 from Trieste to Houston, returning Sun, Oct 12, priced at $880 found 7 hours ago
Lufthansa
Wed, Oct 1 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$884 Roundtrip, found 7 hours ago
$884
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Oct 1 from Trieste to Houston, returning Sun, Oct 12, priced at $884 found 7 hours ago
Lufthansa
Wed, Oct 1 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$887 Roundtrip, found 7 hours ago
$887
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Oct 1 from Trieste to Houston, returning Sun, Oct 12, priced at $887 found 7 hours ago
Lufthansa
Wed, Oct 1 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$891 Roundtrip, found 7 hours ago
$891
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Oct 1 from Trieste to Houston, returning Sun, Oct 12, priced at $891 found 7 hours ago
Lufthansa
Fri, Oct 3 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$893 Roundtrip, found 6 hours ago
$893
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Fri, Oct 3 from Trieste to Houston, returning Sun, Oct 12, priced at $893 found 6 hours ago
Air Dolomiti
Wed, Oct 1 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$943 Roundtrip, found 7 hours ago
$943
Roundtrip
found 7 hours ago
Select Air Dolomiti flight, departing Wed, Oct 1 from Trieste to Houston, returning Sun, Oct 12, priced at $943 found 7 hours ago
ITA Airways
Fri, Oct 3 - Sun, Oct 12
TRS
Trieste
HOU
Houston
$1,002 Roundtrip, found 6 days ago
$1,002
Roundtrip
found 6 days ago
Select ITA Airways flight, departing Fri, Oct 3 from Trieste to Houston, returning Sun, Oct 12, priced at $1,002 found 6 days ago
KLM
Fri, Oct 3 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$1,058 Roundtrip, found 6 hours ago
$1,058
Roundtrip
found 6 hours ago
Select KLM flight, departing Fri, Oct 3 from Trieste to Houston, returning Sun, Oct 12, priced at $1,058 found 6 hours ago
Air France
Fri, Oct 3 - Sun, Oct 12
TRS
Trieste
IAH
Houston
$1,131 Roundtrip, found 6 hours ago
$1,131
Roundtrip
found 6 hours ago
Select Air France flight, departing Fri, Oct 3 from Trieste to Houston, returning Sun, Oct 12, priced at $1,131 found 6 hours ago
Flights from Trieste (TRS) to Houston (IAH)
Origin airport
Friuli Venezia Giulia
Destination airport
George Bush Intercontinental
Roundtrip price
$869
Distance
5567 mi

Trieste to Houston Flights

The cheapest times to fly from Trieste 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 Trieste to Houston are during the month of October. You can find some of the cheapest flights from Trieste to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trieste to Houston

Sunday is one of the best days to book for cheap flights from Trieste 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 Trieste 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 Trieste to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $771 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 Trieste 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 Trieste 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 Friuli Venezia Giulia Airport (TRS) to William P. Hobby Airport (HOU) cost?
Discover the latest flight deals from TRS to HOU 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 TRS to HOU?
The cheapest flights from TRS to HOU 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 TRS to HOU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TRS to HOU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Friuli Venezia Giulia Airport (TRS) to William P. Hobby Airport (HOU)?
There are no daily nonstop flights available from Friuli Venezia Giulia Airport (TRS) to William P. Hobby Airport (HOU). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from TRS to HOU?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Friuli Venezia Giulia Airport (TRS) to William P. Hobby Airport (HOU)?
Select a flight from Friuli Venezia Giulia Airport (TRS) to William P. Hobby Airport (HOU) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour 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 Friuli Venezia Giulia Airport (TRS) to William P. Hobby Airport (HOU) last-minute?
Booking your flight from TRS to HOU shortly before your journey is usually more expensive. However, if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a TRS to HOU flight and hotel package?
Compared with arranging hotels and flights separately, booking a TRS to HOU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Friuli Venezia Giulia Airport (TRS) to William P. Hobby Airport (HOU)?
In most instances, you can modify or cancel your TRS to HOU flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

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*Available to One Key members.