$93 Cheap Flights from Porto (OPO) to Zagreb (ZAG)

View $93 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Porto Airport (OPO) to Zagreb Airport (ZAG)

Cheap Flights from Porto to Zagreb (OPO-ZAG)

Prices were available within the past 7 days and start at $93 for one-way flights and $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Jan 29 - Fri, Jan 30
OPO
Porto
ZAG
Zagreb
$274 Roundtrip, found 2 days ago
$274
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Jan 29 from Porto to Zagreb, returning Fri, Jan 30, priced at $274 found 2 days ago
Lufthansa
Thu, Jan 29 - Fri, Jan 30
OPO
Porto
ZAG
Zagreb
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Jan 29 from Porto to Zagreb, returning Fri, Jan 30, priced at $284 found 2 days ago
Iberia
Sat, Oct 18 - Mon, Oct 27
OPO
Porto
ZAG
Zagreb
$288 Roundtrip, found 6 days ago
$288
Roundtrip
found 6 days ago
Select Iberia flight, departing Sat, Oct 18 from Porto to Zagreb, returning Mon, Oct 27, priced at $288 found 6 days ago
Iberia
Fri, Oct 31 - Sat, Nov 8
OPO
Porto
ZAG
Zagreb
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Iberia flight, departing Fri, Oct 31 from Porto to Zagreb, returning Sat, Nov 8, priced at $291 found 1 day ago
KLM
Sat, Nov 8 - Sat, Dec 6
OPO
Porto
ZAG
Zagreb
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Nov 8 from Porto to Zagreb, returning Sat, Dec 6, priced at $294 found 3 days ago
KLM
Sat, Nov 8 - Wed, Dec 3
OPO
Porto
ZAG
Zagreb
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Nov 8 from Porto to Zagreb, returning Wed, Dec 3, priced at $294 found 3 days ago
Lufthansa
Thu, Jan 29 - Fri, Jan 30
OPO
Porto
ZAG
Zagreb
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Jan 29 from Porto to Zagreb, returning Fri, Jan 30, priced at $295 found 2 days ago
Brussels Airlines
Thu, Jan 29 - Fri, Jan 30
OPO
Porto
ZAG
Zagreb
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Thu, Jan 29 from Porto to Zagreb, returning Fri, Jan 30, priced at $296 found 2 days ago
Lufthansa
Thu, Nov 27 - Sun, Nov 30
OPO
Porto
ZAG
Zagreb
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Nov 27 from Porto to Zagreb, returning Sun, Nov 30, priced at $299 found 6 days ago
Swiss International Air Lines
Fri, Oct 31 - Sat, Nov 8
OPO
Porto
ZAG
Zagreb
$385 Roundtrip, found 1 day ago
$385
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, Oct 31 from Porto to Zagreb, returning Sat, Nov 8, priced at $385 found 1 day ago
Flights from Porto (OPO) to Zagreb (ZAG)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Zagreb
Airlines serving
Air Serbia, Austrian Airlines, Iberia, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$274
Distance
1272 mi

Porto to Zagreb Flights

The cheapest times to fly from Porto 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 Porto to Zagreb are during the month of January. You can find some of the cheapest flights from Porto to Zagreb with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Zagreb

Sunday is one of the best days to book for cheap flights from Porto 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 Porto 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 Porto to Zagreb in 2025. You can also book with separate airlines for your outbound and return journeys, from $93 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 Porto 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 Porto 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG) cost?
Snag a cheap one-way flight from $93 or cheap return flight from $274 from Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG)?
Planning your getaway for January may help you find better deals, as it's the cheapest month for flights between OPO and ZAG. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG)?
To find the cheapest airline that'll fly you from OPO to ZAG, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG)?
There are no daily nonstop flights from Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from OPO to ZAG?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG)?
To touch down at Zagreb Airport (ZAG) on schedule, opt for a flight that leaves Dr. Francisco de Sa Carneiro Airport (OPO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG) last-minute?
Booking your flight from OPO to ZAG just before your trip is typically more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an OPO to ZAG flight and hotel package?
You can save money by securing an OPO 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 simple to manage it all in one convenient place. After choosing your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Zagreb Airport (ZAG)?
Typically, you're able to reschedule or cancel your OPO to ZAG flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.