$467 Cheap Flights from Houston (IAH) to Zagreb (ZAG)

View $467 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Zagreb Airport (ZAG)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Houston to Zagreb (IAH-ZAG)

Prices were available within the past 7 days and start at $467 for one-way flights and $615 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Aug 11 - Mon, Aug 18
IAH
Houston
ZAG
Zagreb
$615 Roundtrip, found 4 days ago
$615
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Aug 11 from Houston to Zagreb, returning Mon, Aug 18, priced at $615 found 4 days ago
British Airways
Mon, Aug 4 - Mon, Aug 18
IAH
Houston
ZAG
Zagreb
$616 Roundtrip, found 20 hours ago
$616
Roundtrip
found 20 hours ago
Select British Airways flight, departing Mon, Aug 4 from Houston to Zagreb, returning Mon, Aug 18, priced at $616 found 20 hours ago
Lufthansa
Tue, Nov 4 - Tue, Nov 11
IAH
Houston
ZAG
Zagreb
$621 Roundtrip, found 3 days ago
$621
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Nov 4 from Houston to Zagreb, returning Tue, Nov 11, priced at $621 found 3 days ago
United
Sun, Nov 2 - Wed, Nov 19
IAH
Houston
ZAG
Zagreb
$621 Roundtrip, found 2 days ago
$621
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 2 from Houston to Zagreb, returning Wed, Nov 19, priced at $621 found 2 days ago
United
Mon, Mar 23 - Wed, Apr 1
IAH
Houston
ZAG
Zagreb
$622 Roundtrip, found 10 hours ago
$622
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Mar 23 from Houston to Zagreb, returning Wed, Apr 1, priced at $622 found 10 hours ago
United
Mon, Mar 23 - Wed, Apr 1
IAH
Houston
ZAG
Zagreb
$623 Roundtrip, found 10 hours ago
$623
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Mar 23 from Houston to Zagreb, returning Wed, Apr 1, priced at $623 found 10 hours ago
Air Canada
Wed, Aug 20 - Tue, Aug 26
IAH
Houston
ZAG
Zagreb
$624 Roundtrip, found 2 days ago
$624
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Aug 20 from Houston to Zagreb, returning Tue, Aug 26, priced at $624 found 2 days ago
Air Canada
Mon, Mar 23 - Wed, Apr 1
IAH
Houston
ZAG
Zagreb
$625 Roundtrip, found 10 hours ago
$625
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Mon, Mar 23 from Houston to Zagreb, returning Wed, Apr 1, priced at $625 found 10 hours ago
United
Wed, Jan 14 - Thu, Jan 29
IAH
Houston
ZAG
Zagreb
$626 Roundtrip, found 4 days ago
$626
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 14 from Houston to Zagreb, returning Thu, Jan 29, priced at $626 found 4 days ago
Delta
Sun, Aug 3 - Tue, Aug 19
IAH
Houston
ZAG
Zagreb
$646 Roundtrip, just found
$646
Roundtrip
just found
Select Delta flight, departing Sun, Aug 3 from Houston to Zagreb, returning Tue, Aug 19, priced at $646 just found

Find the cheapest month to fly from Houston (IAH) to Zagreb (ZAG)

October is typically the cheapest month to fly

From $584 - $1,499 per traveler.

Graph displaying average flight prices per month

Flights from Houston (IAH) to Zagreb (ZAG)
Origin airport
George Bush Intercontinental
Destination airport
Zagreb
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Emirates, Iberia, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$614
Distance
5672 mi

Houston to Zagreb Flights

The cheapest times to fly from Houston to Zagreb

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

 

The best time to book a flight from Houston to Zagreb

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

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 Zagreb in 2025. You can also book with separate airlines for your outbound and return journeys, from $467 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 Zagreb 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 Zagreb 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 Zagreb Airport (ZAG) cost?
Discover the latest flight deals from IAH to ZAG 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 IAH to ZAG?
The cheapest flights from IAH to ZAG 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 IAH to ZAG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAH to ZAG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Zagreb Airport (ZAG)?
There aren't any daily nonstop flights available from George Bush Intercontinental Airport (IAH) to Zagreb Airport (ZAG). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from IAH to ZAG?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Zagreb Airport (ZAG)?
To land at Zagreb Airport (ZAG) on time, opt for a flight that leaves George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Zagreb Airport (ZAG) last-minute?
Waiting until just before your departure to book a flight from IAH to ZAG often results in higher prices. While you may come across some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book an IAH to ZAG flight and hotel package?
You can save money by securing an IAH to ZAG flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Zagreb Airport (ZAG)?
Typically, you can modify or cancel your IAH to ZAG flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want further information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.