$187 Cheap Flights from Frankfurt (FRA) to Nis (INI)

View $187 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Frankfurt Airport (FRA) to Nis (INI-Constantine the Great)

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Cheap Flights from Frankfurt to Nis (FRA-INI)

Prices were available within the past 7 days and start at $187 for one-way flights and $584 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$584 Roundtrip, found 2 days ago
$584
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $584 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$609 Roundtrip, found 2 days ago
$609
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $609 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$634 Roundtrip, found 2 days ago
$634
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $634 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$659 Roundtrip, found 2 days ago
$659
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $659 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$677 Roundtrip, found 2 days ago
$677
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $677 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$701 Roundtrip, found 2 days ago
$701
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $701 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$713 Roundtrip, found 2 days ago
$713
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $713 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$763 Roundtrip, found 2 days ago
$763
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $763 found 2 days ago
Turkish Airlines
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$798 Roundtrip, found 2 days ago
$798
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $798 found 2 days ago
Air Serbia
Sat, Dec 27 - Tue, Jan 13
FRA
Frankfurt
INI
Niš
$805 Roundtrip, found 2 days ago
$805
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Sat, Dec 27 from Frankfurt to Niš, returning Tue, Jan 13, priced at $805 found 2 days ago
Flights from Frankfurt (FRA) to Nis (INI)
Origin airport
Frankfurt Intl.
Destination airport
Constantine the Great
Roundtrip price
$584
Distance
780 mi

Frankfurt to Nis Flights

The cheapest times to fly from Frankfurt to Nis

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

 

The best time to book a flight from Frankfurt to Nis

Sunday is one of the best days to book for cheap flights from Frankfurt to Nis: 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 Frankfurt to Nis

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 Frankfurt to Nis in 2026. You can also book with separate airlines for your outbound and return journeys, from $187 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 Frankfurt to Nis 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 Frankfurt to Nis 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 Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI) cost?
Lock in a cheap one-way flight from $187 or cheap return flight from $584 from Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI)?
Traveling in December can help you save, as it's the cheapest month for flights between FRA and INI. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest FRA to INI flight.
How many flights per day from Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI)?
There aren't any daily nonstop flights available from Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from FRA to INI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary 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 Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI)?
To touch down at Constantine the Great Airport (INI) without delays, pick a flight that takes off from Frankfurt Intl. Airport (FRA) 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 Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI) last-minute?
Last-minute bookings from FRA to INI are generally more expensive. To secure the best rates, start searching for flights ahead of time. That being said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a FRA to INI flight and hotel package?
You'll generally save money by booking a FRA to INI 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 everything in one convenient place. Once you've selected your preferred flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Frankfurt Intl. Airport (FRA) to Constantine the Great Airport (INI)?
In most cases, you're able to reschedule or cancel your FRA to INI flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, visit our Customer Service portal.

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*Available to One Key members.