$21 Cheap Flights from Naples (NAP) to Trieste (TRS)

View $21 flight on Sun, Mar 29, 2026Opens in a new window

Popular airlines from Naples Intl. Airport (NAP) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from Naples to Trieste (NAP-TRS)

Prices were available within the past 7 days and start at $21 for one-way flights and $70 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Thu, Feb 26 - Fri, Feb 27
NAP
Naples
TRS
Trieste
$70 Roundtrip, found 4 days ago
$70
Roundtrip
found 4 days ago
Select Ryanair flight, departing Thu, Feb 26 from Naples to Trieste, returning Fri, Feb 27, priced at $70 found 4 days ago
Ryanair
Sat, Mar 14 - Mon, Mar 16
NAP
Naples
TRS
Trieste
$82 Roundtrip, found 6 days ago
$82
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sat, Mar 14 from Naples to Trieste, returning Mon, Mar 16, priced at $82 found 6 days ago
Ryanair
Tue, May 12 - Wed, May 13
NAP
Naples
TRS
Trieste
$93 Roundtrip, found 3 days ago
$93
Roundtrip
found 3 days ago
Select Ryanair flight, departing Tue, May 12 from Naples to Trieste, returning Wed, May 13, priced at $93 found 3 days ago
Ryanair
Fri, Mar 27 - Fri, Apr 3
NAP
Naples
TRS
Trieste
$98 Roundtrip, found 22 hours ago
$98
Roundtrip
found 22 hours ago
Select Ryanair flight, departing Fri, Mar 27 from Naples to Trieste, returning Fri, Apr 3, priced at $98 found 22 hours ago
Ryanair
Fri, Mar 13 - Sun, Mar 15
NAP
Naples
TRS
Trieste
$108 Roundtrip, found 6 days ago
$108
Roundtrip
found 6 days ago
Select Ryanair flight, departing Fri, Mar 13 from Naples to Trieste, returning Sun, Mar 15, priced at $108 found 6 days ago
Ryanair
Wed, Jul 1 - Thu, Jul 2
NAP
Naples
TRS
Trieste
$111 Roundtrip, found 1 day ago
$111
Roundtrip
found 1 day ago
Select Ryanair flight, departing Wed, Jul 1 from Naples to Trieste, returning Thu, Jul 2, priced at $111 found 1 day ago
Ryanair
Sat, Mar 14 - Mon, Mar 16
NAP
Naples
TRS
Trieste
$116 Roundtrip, found 6 days ago
$116
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sat, Mar 14 from Naples to Trieste, returning Mon, Mar 16, priced at $116 found 6 days ago
Ryanair
Thu, Feb 26 - Fri, Feb 27
NAP
Naples
TRS
Trieste
$118 Roundtrip, found 4 days ago
$118
Roundtrip
found 4 days ago
Select Ryanair flight, departing Thu, Feb 26 from Naples to Trieste, returning Fri, Feb 27, priced at $118 found 4 days ago
Ryanair
Thu, Mar 26 - Mon, Mar 30
NAP
Naples
TRS
Trieste
$121 Roundtrip, found 2 days ago
$121
Roundtrip
found 2 days ago
Select Ryanair flight, departing Thu, Mar 26 from Naples to Trieste, returning Mon, Mar 30, priced at $121 found 2 days ago
ITA Airways
Thu, Feb 26 - Fri, Feb 27
NAP
Naples
TRS
Trieste
$129 Roundtrip, found 4 days ago
$129
Roundtrip
found 4 days ago
Select ITA Airways flight, departing Thu, Feb 26 from Naples to Trieste, returning Fri, Feb 27, priced at $129 found 4 days ago
Flights from Naples (NAP) to Trieste (TRS)
Origin airport
Naples Intl.
Destination airport
Friuli Venezia Giulia
Airlines serving
ITA Airways, Ryanair
Roundtrip price
$69
Distance
343 mi
Average flight time
1 hour 25 mins

Naples to Trieste Flights

The cheapest times to fly from Naples to Trieste

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

 

The best time to book a flight from Naples to Trieste

Sunday is one of the best days to book for cheap flights from Naples to Trieste: 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 Naples to Trieste

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 Naples to Trieste in 2026. You can also book with separate airlines for your outbound and return journeys, from $21 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 Naples to Trieste 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 Naples to Trieste 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 Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) cost?
You can find cheap one-way flights from $21 and cheap return flights from $70 Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) with Expedia. One-way flights typically cost between $92 and $272, and return flights often range between $190 and $595. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
The cheapest month to fly from NAP to TRS is February when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
Ryanair operates around 7 direct flights from NAP to TRS every week.
What is the cheapest airline that flies from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
Alitalia is one of the cheapest airlines offering connecting flights from Naples (NAP) to Trieste (TRS), starting from around $366. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
To find a cheap flight from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
The best airline to fly with from Naples (NAP) to Trieste (TRS) will differ from traveler to traveler. If you like to fly early, Ryanair offers early morning flights. If price is the most important factor, Ryanair typically offers the lowest fares. Alitalia offers the most daily flights from Naples to Trieste, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
On average, there are around 1 nonstop flights per day from Naples Intl. (NAP) to Friuli Venezia Giulia (TRS). For more options, look at flights that include layovers.
What is the earliest flight from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
The earliest flight from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) usually departs at around 6:20 AM, operated by ITA Airways. This flight is a great way to start your day and enjoy the beautiful sights of Trieste. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
For flights from Naples Intl. (NAP) to Friuli Venezia Giulia (TRS), the most popular departure times are from 6am to 9am. This time window captures about 37% of total traffic, making it a favored option for early travelers. Airlines like Alitalia and Ryanair operate during this time.
How long does it take to fly from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
Flying nonstop from NAP to TRS takes around 1 hour 30 minutes, with the route covering approximately 344 miles. Flights with a layover typically take 1 hour 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
Business class seats are offered on the NAP to TRS route with ITA Airways.
How do I earn miles on a Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) flight with Expedia?
It's easy to earn miles on a Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Trieste from Naples Intl. (NAP)?
From Naples Intl. (NAP), you can fly into Friuli Venezia Giulia (TRS) to reach Trieste. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) at the last minute?
Typically, booking a last minute flight from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) flight and hotel package?
Securing a Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia)?
If you booked your Naples (NAP-Naples Intl.) to Trieste (TRS-Friuli Venezia Giulia) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

*Flight schedules are subject to change.

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