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Cheap flights from Houston George Bush Intcntl Airport to Trieste from $831

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Trieste departing on 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:35 pm - 1:55 pmIAH-TRS
15h 20m1 stop
Lufthansa Logo
6:20 am - 1:35 pmTRS-IAH
14h 15m1 stop
$831Lufthansa
Find Deal
Tue, Apr 21 - Sun, Apr 26
Lufthansa Logo
4:30 pm - 9:55 pmIAH-TRS
22h 25m2 stops
Lufthansa Logo
6:20 am - 1:35 pmTRS-IAH
14h 15m1 stop
$835Lufthansa
Find Deal
Tue, Apr 21 - Sun, Apr 26
Lufthansa Logo
4:30 pm - 9:55 pmIAH-TRS
22h 25m2 stops
Lufthansa Logo
2:40 pm - 12:20 amTRS-IAH
16h 40m2 stops
$845Lufthansa
Find Deal
Tue, Apr 21 - Sun, Apr 26
Lufthansa Logo
3:35 pm - 1:55 pmIAH-TRS
15h 20m1 stop
Lufthansa Logo
6:20 am - 1:35 pmTRS-IAH
14h 15m1 stop
$858Lufthansa
Find Deal
Wed, Apr 1 - Sun, Apr 5
Lufthansa Logo
3:35 pm - 1:55 pmIAH-TRS
15h 20m1 stop
Lufthansa Logo
2:40 pm - 12:20 amTRS-IAH
16h 40m2 stops
$868Lufthansa
Find Deal
Wed, Apr 1 - Sun, Apr 5
Turkish Airlines Logo
2:30 pm - 6:30 pmIAH-TRS
21h 00m2 stops
Turkish Airlines Logo
6:35 am - 7:15 pmTRS-IAH
43h 40m2 stops
$974Turkish Airlines
Find Deal
Wed, Apr 1 - Sun, Apr 5
Turkish Airlines Logo
9:10 pm - 2:30 pmIAH-TRS
58h 20m2 stops
Turkish Airlines Logo
6:35 am - 7:15 pmTRS-IAH
43h 40m2 stops
$1,014Turkish Airlines
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Thu, Apr 2 - Mon, Apr 6
Multiple Airlines Logo
11:50 am - 6:30 pmIAH-TRS
23h 40m3 stops
Multiple Airlines Logo
11:15 am - 2:10 pmTRS-IAH
33h 55m2 stops
$1,062Multiple Airlines
Find Deal
Tue, Apr 21 - Sun, Apr 26
Multiple Airlines Logo
11:50 am - 10:55 pmIAH-TRS
28h 05m3 stops
Multiple Airlines Logo
11:15 am - 10:49 amTRS-IAH
30h 34m3 stops
$1,192Multiple Airlines
Find Deal
Tue, Apr 21 - Sun, Apr 26
Emirates Logo
7:10 pm - 10:55 pmIAH-TRS
44h 45m2 stops
Emirates Logo
11:15 am - 4:20 pmTRS-IAH
36h 05m2 stops
$3,604Emirates
Find Deal
Fri, Dec 19 - Fri, Dec 26

Turkish Airlines flights from Houston George Bush Intcntl Airport to Trieste

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to Trieste flight tickets
Turkish Airlines
Apr 1
IAH2:30 pmHouston George Bush Intcntl
21h 00m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Apr 5
TRS6:35 amTrieste Ronchi dei Legionari
43h 40m
2 stops
IAH7:15 pmHouston George Bush Intcntl
$974
Find similar
Turkish Airlines
Apr 2
IAH9:10 pmHouston George Bush Intcntl
58h 20m
2 stops
TRS2:30 pmTrieste Ronchi dei Legionari
Apr 6
TRS6:35 amTrieste Ronchi dei Legionari
43h 40m
2 stops
IAH7:15 pmHouston George Bush Intcntl
$1,014
Find similar

Lufthansa flights from Houston George Bush Intcntl Airport to Trieste

Our best Lufthansa deals on Houston George Bush Intcntl Airport to Trieste flight tickets
Lufthansa
Apr 21
IAH3:35 pmHouston George Bush Intcntl
15h 20m
1 stop
TRS1:55 pmTrieste Ronchi dei Legionari
Apr 26
TRS6:20 amTrieste Ronchi dei Legionari
14h 15m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$831
Find similar
Lufthansa
Apr 21
IAH4:30 pmHouston George Bush Intcntl
22h 25m
2 stops
TRS9:55 pmTrieste Ronchi dei Legionari
Apr 26
TRS6:20 amTrieste Ronchi dei Legionari
14h 15m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$835
Find similar
Lufthansa
Apr 21
IAH4:30 pmHouston George Bush Intcntl
22h 25m
2 stops
TRS9:55 pmTrieste Ronchi dei Legionari
Apr 26
TRS2:40 pmTrieste Ronchi dei Legionari
16h 40m
2 stops
IAH12:20 amHouston George Bush Intcntl
$845
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Trieste that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Tue 4/21

3:35 pm-1:55 pm

1 stop15h 20m

Trieste Ronchi dei Legionari

Sun 4/26

6:20 am-1:35 pm

1 stop14h 15m

$831

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Tue 4/21

4:30 pm-9:55 pm

2 stops22h 25m

Trieste Ronchi dei Legionari

Sun 4/26

6:20 am-1:35 pm

1 stop14h 15m

$835

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Tue 4/21

4:30 pm-9:55 pm

2 stops22h 25m

Trieste Ronchi dei Legionari

Sun 4/26

2:40 pm-12:20 am

2 stops16h 40m

$845

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Wed 4/1

3:35 pm-1:55 pm

1 stop15h 20m

Trieste Ronchi dei Legionari

Sun 4/5

6:20 am-1:35 pm

1 stop14h 15m

$858

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Wed 4/1

3:35 pm-1:55 pm

1 stop15h 20m

Trieste Ronchi dei Legionari

Sun 4/5

2:40 pm-12:20 am

2 stops16h 40m

$868

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Wed 4/1

2:30 pm-6:30 pm

2 stops21h 00m

Trieste Ronchi dei Legionari

Sun 4/5

6:35 am-7:15 pm

2 stops43h 40m

$974

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Thu 4/2

9:10 pm-2:30 pm

2 stops58h 20m

Trieste Ronchi dei Legionari

Mon 4/6

6:35 am-7:15 pm

2 stops43h 40m

$1,014

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Tue 4/21

11:50 am-6:30 pm

3 stops23h 40m

Trieste Ronchi dei Legionari

Sun 4/26

11:15 am-2:10 pm

2 stops33h 55m

$1,062

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Tue 4/21

11:50 am-10:55 pm

3 stops28h 05m

Trieste Ronchi dei Legionari

Sun 4/26

11:15 am-10:49 am

3 stops30h 34m

$1,192

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Fri 12/19

7:10 pm-10:55 pm

2 stops44h 45m

Trieste Ronchi dei Legionari

Fri 12/26

11:15 am-4:20 pm

2 stops36h 05m

$3,604

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Houston George Bush Intcntl Airport to Trieste flights?

You could potentially save up to 4% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Trieste flight.

When to book flights from Houston George Bush Intcntl Airport to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Trieste (IAH to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Trieste

Direct flights

None
There are no direct flights from Houston George Bush Intcntl Airport to Trieste. There are no popular flight routes from Houston George Bush Intcntl Airport to Trieste.
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  • How far is Houston George Bush Intcntl to Trieste Ronchi dei Legionari by plane?

    The distance between Houston George Bush Intcntl and Trieste Ronchi dei Legionari is about 5581.8 mi. By plane, this route typically takes 15h 20m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Trieste Ronchi dei Legionari Airport were last updated today.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Trieste Ronchi dei Legionari Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Trieste Ronchi dei Legionari Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Trieste?

Best airlines flying from Houston George Bush Intcntl Airport to Trieste

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Trieste with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $789Free CancellationRating
6.8
7,545 reviews
Search Lufthansa flights

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Why should I use momondo to find a flight deal from Houston to Trieste?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Trieste for you.

Can I find flights from Houston to Trieste with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Trieste from Houston with this policy.

How can momondo help me find flights from Houston to Trieste?

Once you have performed a search for Houston to Trieste flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Trieste right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Trieste flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Emirates