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Cheap flights from Houston George Bush Intcntl Airport to Trieste from $588

This is the cheapest one-way 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 6/15. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
ITA Airways Logo
6:10 pm - 2:30 pm
IAH
-
TRS
13h 20m
1 stop
ITA Airways Logo
7:15 pm - 3:40 pm
TRS
-
IAH
27h 25m
1 stop
$1,124ITA Airways
ma, kesä 15 - su, kesä 28
ITA Airways Logo
6:10 pm - 2:30 pm
IAH
-
TRS
13h 20m
1 stop
ITA Airways Logo
6:35 am - 3:40 pm
TRS
-
IAH
16h 05m
1 stop
$1,132ITA Airways
ma, kesä 15 - pe, heinä 3
ITA Airways Logo
6:10 pm - 10:55 pm
IAH
-
TRS
21h 45m
1 stop
ITA Airways Logo
6:35 am - 3:40 pm
TRS
-
IAH
16h 05m
1 stop
$1,165ITA Airways
ma, kesä 15 - ma, kesä 29
ITA Airways Logo
6:10 pm - 6:30 pm
IAH
-
TRS
17h 20m
1 stop
ITA Airways Logo
7:15 pm - 3:40 pm
TRS
-
IAH
27h 25m
1 stop
$1,174ITA Airways
la, kesä 13 - ti, kesä 30
ITA Airways Logo
6:10 pm - 2:30 pm
IAH
-
TRS
13h 20m
1 stop
ITA Airways Logo
7:15 pm - 3:40 pm
TRS
-
IAH
27h 25m
1 stop
$1,182ITA Airways
la, kesä 13 - to, heinä 2
ITA Airways Logo
6:10 pm - 2:30 pm
IAH
-
TRS
13h 20m
1 stop
ITA Airways Logo
6:35 am - 3:40 pm
TRS
-
IAH
16h 05m
1 stop
$1,215ITA Airways
la, kesä 13 - ma, kesä 29
Lufthansa Logo
4:40 pm - 6:30 pm
IAH
-
TRS
42h 50m
2 stops
Lufthansa Logo
6:10 am - 5:55 pm
TRS
-
IAH
18h 45m
1 stop
$1,284Lufthansa
su, kesä 14 - ke, heinä 1
Lufthansa Logo
4:40 pm - 6:30 pm
IAH
-
TRS
18h 50m
2 stops
Lufthansa Logo
6:35 am - 5:55 pm
TRS
-
IAH
18h 20m
2 stops
$1,294Lufthansa
ti, kesä 16 - ke, heinä 1
United Airlines Logo
7:20 am - 10:25 am
IAH
-
TRS
20h 05m
2 stops
United Airlines Logo
6:35 am - 10:50 am
TRS
-
IAH
35h 15m
2 stops
$1,295United Airlines
su, kesä 14 - to, heinä 2
United Airlines Logo
7:20 am - 10:25 am
IAH
-
TRS
20h 05m
2 stops
United Airlines Logo
6:35 am - 8:25 pm
TRS
-
IAH
20h 50m
2 stops
$1,297United Airlines
su, kesä 14 - ke, heinä 1

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
Jun 14
IAH4:40 pmHouston George Bush Intcntl
42h 50m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Jul 1
TRS6:10 amTrieste Ronchi dei Legionari
18h 45m
1 stop
IAH5:55 pmHouston George Bush Intcntl
$1,284
Lufthansa
Jun 16
IAH4:40 pmHouston George Bush Intcntl
18h 50m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Jun 30
TRS3:15 pmTrieste Ronchi dei Legionari
33h 40m
2 stops
IAH5:55 pmHouston George Bush Intcntl
$1,294
Lufthansa
Jun 15
IAH4:40 pmHouston George Bush Intcntl
22h 45m
2 stops
TRS10:25 pmTrieste Ronchi dei Legionari
Jul 2
TRS6:00 amTrieste Ronchi dei Legionari
18h 55m
1 stop
IAH5:55 pmHouston George Bush Intcntl
$1,300

ITA Airways flights from Houston George Bush Intcntl Airport to Trieste

Our best ITA Airways deals on Houston George Bush Intcntl Airport to Trieste flight tickets
ITA Airways
Jun 15
IAH6:10 pmHouston George Bush Intcntl
13h 20m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
Jun 28
TRS7:15 pmTrieste Ronchi dei Legionari
27h 25m
1 stop
IAH3:40 pmHouston George Bush Intcntl
$1,124
ITA Airways
Jun 15
IAH6:10 pmHouston George Bush Intcntl
13h 20m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
Jul 3
TRS6:35 amTrieste Ronchi dei Legionari
16h 05m
1 stop
IAH3:40 pmHouston George Bush Intcntl
$1,132
ITA Airways
Jun 15
IAH6:10 pmHouston George Bush Intcntl
21h 45m
1 stop
TRS10:55 pmTrieste Ronchi dei Legionari
Jun 29
TRS6:35 amTrieste Ronchi dei Legionari
16h 05m
1 stop
IAH3:40 pmHouston George Bush Intcntl
$1,165

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 maaliskuu 1, 2026.
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

ma 6/15

6:10 pm-2:30 pm

1 stop13h 20m

Trieste Ronchi dei Legionari

su 6/28

7:15 pm-3:40 pm

1 stop27h 25m

$1,124

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

ma 6/15

6:10 pm-2:30 pm

1 stop13h 20m

Trieste Ronchi dei Legionari

pe 7/3

6:35 am-3:40 pm

1 stop16h 05m

$1,132

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

ma 6/15

6:10 pm-10:55 pm

1 stop21h 45m

Trieste Ronchi dei Legionari

ma 6/29

6:35 am-3:40 pm

1 stop16h 05m

$1,165

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

la 6/13

6:10 pm-6:30 pm

1 stop17h 20m

Trieste Ronchi dei Legionari

ti 6/30

7:15 pm-3:40 pm

1 stop27h 25m

$1,174

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

la 6/13

6:10 pm-2:30 pm

1 stop13h 20m

Trieste Ronchi dei Legionari

to 7/2

7:15 pm-3:40 pm

1 stop27h 25m

$1,182

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

la 6/13

6:10 pm-2:30 pm

1 stop13h 20m

Trieste Ronchi dei Legionari

ma 6/29

6:35 am-3:40 pm

1 stop16h 05m

$1,215

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

su 6/14

4:40 pm-6:30 pm

2 stops42h 50m

Trieste Ronchi dei Legionari

ke 7/1

6:10 am-5:55 pm

1 stop18h 45m

$1,284

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

ti 6/16

4:40 pm-6:30 pm

2 stops18h 50m

Trieste Ronchi dei Legionari

ke 7/1

6:35 am-5:55 pm

2 stops18h 20m

$1,294

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

su 6/14

7:20 am-10:25 am

2 stops20h 05m

Trieste Ronchi dei Legionari

to 7/2

6:35 am-10:50 am

2 stops35h 15m

$1,295

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

su 6/14

7:20 am-10:25 am

2 stops20h 05m

Trieste Ronchi dei Legionari

ke 7/1

6:35 am-8:25 pm

2 stops20h 50m

$1,297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

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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

Fastest flight time

21h 45m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Trieste takes 21h 45m
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.
Search flight deals

  • 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 21h 45m.

  • 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 $650Free CancellationRating
6.8
7,818 reviews
Search Lufthansa flights

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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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