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Cheap flights from Houston George Bush Intcntl Airport to Trieste from $660

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 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

Lufthansa Logo
4:30 pm - 10:40 pmIAH-TRS
23h 10m1 stop
Lufthansa Logo
6:25 am - 2:35 pmTRS-IAH
15h 10m1 stop
$660Lufthansa
Find Deal
Wed, Nov 5 - Tue, Nov 18
Lufthansa Logo
4:30 pm - 10:40 pmIAH-TRS
23h 10m1 stop
Lufthansa Logo
6:25 am - 10:57 pmTRS-IAH
23h 32m2 stops
$670Lufthansa
Find Deal
Wed, Nov 5 - Tue, Nov 18
Lufthansa Logo
8:22 pm - 2:05 pmIAH-TRS
34h 43m2 stops
Lufthansa Logo
6:25 am - 5:25 pmTRS-IAH
18h 00m2 stops
$710Lufthansa
Find Deal
Wed, Nov 5 - Tue, Nov 18
Lufthansa Logo
3:35 pm - 2:05 pmIAH-TRS
15h 30m1 stop
Lufthansa Logo
6:30 am - 1:35 pmTRS-IAH
14h 05m1 stop
$860Lufthansa
Find Deal
Thu, Sep 25 - Sat, Oct 4
Lufthansa Logo
6:50 pm - 10:25 pmIAH-TRS
20h 35m2 stops
Lufthansa Logo
6:30 am - 1:35 pmTRS-IAH
14h 05m1 stop
$864Lufthansa
Find Deal
Thu, Sep 25 - Sat, Oct 4
Lufthansa Logo
6:50 pm - 10:25 pmIAH-TRS
20h 35m2 stops
Lufthansa Logo
6:30 am - 5:14 pmTRS-IAH
17h 44m2 stops
$874Lufthansa
Find Deal
Thu, Sep 25 - Sat, Oct 4
Logo
10:00 am - 3:00 pmIAH-TRS
22h 00m2 stops
Logo
7:15 pm - 7:05 pmTRS-IAH
30h 50m3 stops
$1,702
Find Deal
Thu, Sep 25 - Sat, Oct 4
Logo
5:25 am - 2:05 pmIAH-TRS
25h 40m3 stops
Logo
7:15 pm - 7:05 pmTRS-IAH
30h 50m3 stops
$1,713
Find Deal
Thu, Sep 25 - Sat, Oct 4
Turkish Airlines Logo
9:00 pm - 10:55 pmIAH-TRS
42h 55m2 stops
Turkish Airlines Logo
3:15 pm - 12:40 pmTRS-IAH
52h 25m2 stops
$2,113Turkish Airlines
Find Deal
Thu, Sep 18 - Sat, Sep 27

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
Nov 5
IAH4:30 pmHouston George Bush Intcntl
23h 10m
1 stop
TRS10:40 pmTrieste Ronchi dei Legionari
Nov 18
TRS6:25 amTrieste Ronchi dei Legionari
15h 10m
1 stop
IAH2:35 pmHouston George Bush Intcntl
$660
Find similar
Lufthansa
Nov 5
IAH4:30 pmHouston George Bush Intcntl
23h 10m
1 stop
TRS10:40 pmTrieste Ronchi dei Legionari
Nov 18
TRS6:25 amTrieste Ronchi dei Legionari
23h 32m
2 stops
IAH10:57 pmHouston George Bush Intcntl
$670
Find similar
Lufthansa
Nov 5
IAH8:22 pmHouston George Bush Intcntl
34h 43m
2 stops
TRS2:05 pmTrieste Ronchi dei Legionari
Nov 18
TRS6:25 amTrieste Ronchi dei Legionari
18h 00m
2 stops
IAH5:25 pmHouston George Bush Intcntl
$710
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 September 8, 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

Wed 11/5

4:30 pm-10:40 pm

1 stop23h 10m

Trieste Ronchi dei Legionari

Tue 11/18

6:25 am-2:35 pm

1 stop15h 10m

$660

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Wed 11/5

4:30 pm-10:40 pm

1 stop23h 10m

Trieste Ronchi dei Legionari

Tue 11/18

6:25 am-10:57 pm

2 stops23h 32m

$670

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Wed 11/5

8:22 pm-2:05 pm

2 stops34h 43m

Trieste Ronchi dei Legionari

Tue 11/18

6:25 am-5:25 pm

2 stops18h 00m

$710

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Thu 9/25

3:35 pm-2:05 pm

1 stop15h 30m

Trieste Ronchi dei Legionari

Sat 10/4

6:30 am-1:35 pm

1 stop14h 05m

$860

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Thu 9/25

6:50 pm-10:25 pm

2 stops20h 35m

Trieste Ronchi dei Legionari

Sat 10/4

6:30 am-1:35 pm

1 stop14h 05m

$864

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Thu 9/25

6:50 pm-10:25 pm

2 stops20h 35m

Trieste Ronchi dei Legionari

Sat 10/4

6:30 am-5:14 pm

2 stops17h 44m

$874

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Thu 9/25

10:00 am-3:00 pm

2 stops22h 00m

Trieste Ronchi dei Legionari

Sat 10/4

7:15 pm-7:05 pm

3 stops30h 50m

$1,702

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Thu 9/25

5:25 am-2:05 pm

3 stops25h 40m

Trieste Ronchi dei Legionari

Sat 10/4

7:15 pm-7:05 pm

3 stops30h 50m

$1,713

HoustonTrieste

IAH - TRS

IAHTRS

Houston George Bush Intcntl

Thu 9/18

9:00 pm-10:55 pm

2 stops42h 55m

Trieste Ronchi dei Legionari

Sat 9/27

3:15 pm-12:40 pm

2 stops52h 25m

$2,113

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 30m.

  • 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
7,409 reviews
Search Lufthansa flights

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

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