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Zagreb

Cheap flights from Porto (OPO) to Zagreb (ZAG)

OPO — ZAG
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Porto to Zagreb

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Zagreb (ZAG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Popular in

August

Cheapest in

January

Average price

$363
Highest demand for flights based on searches. 12% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Best time to book a flight from Porto to Zagreb

Have a flexible travel schedule? Discover the best time to fly to Zagreb from Porto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Porto to Zagreb

How far ahead should I book a flight from Porto to Zagreb?

Use this chart to determine the optimal time to book a round-trip flight from Porto to Zagreb. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Porto to Zagreb, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Porto to Zagreb?

Currently, November is the cheapest month in which you can book a flight from Porto to Zagreb (average of $641). Flying from Porto to Zagreb in June is currently the most expensive (average of $1,263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Porto to Zagreb. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Porto to Zagreb that include hotel bookings?

    Yes. In addition to deals on Porto to Zagreb flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Zagreb?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Zagreb.

  • Can I find deals for business class flights from Porto to Zagreb?

    Yes. Cheapflights offers flight deals from Porto to Zagreb by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto to Zagreb?

    Currently, November is the cheapest month in which you can book a flight from Porto to Zagreb (average of $641). Flying from Porto to Zagreb in June is currently the most expensive (average of $1,263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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