PHL - TRS

$1,443 Find Cheap Flights from Philadelphia to Trieste - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,443
Typical prices: $1,246-$1,328
United Airlines
Sat 12/8Tue 12/11
PHL - TRS • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Trieste. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Frankfurt am Main (FRA)
Cheapest • Avg $1,146 (round-trip)
Rome Fiumicino (FCO)
Shortest trip • 15h 02m (one-way)
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Cheap Flights from Philadelphia to Trieste (PHL-TRS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Trieste

Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
9:45 am - 10:25 amPHL  Philadelphia-TRS Trieste Ronchi dei Legionari
18h 40m2 stops Chicago O'Hare Intl Rome Fiumicino
United Airlines Logo
6:35 am - 2:44 pmTRS  Trieste Ronchi dei Legionari-PHL Philadelphia
38h 09m2 stops Rome Fiumicino Montreal Pierre Elliott Trudeau Intl
$1,443United Airlines
Booking Insights

Price, demand and travel trends for Philadelphia to Trieste flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Philadelphia to Trieste?

Round-trip flights from Philadelphia to Trieste typically range from $1,246 to $1,328. The lowest price found in the past 5 days was $1,443, on United Airlines.

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Key details for Philadelphia to Trieste flights

Cheapest flight

$1,443
Round-trip flight from Philadelphia to Trieste

When to book flights from Philadelphia to Trieste

Are your dates flexible? Find out the best times to travel from Philadelphia to Trieste based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to Trieste flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Philadelphia to Trieste?

    Only Economy Class is available on flights from Philadelphia to Trieste.

  • How long is a flight from Philadelphia to Trieste?

    A nonstop flight from Philadelphia to Trieste takes 00m, covering 4,271 miles.

  • Do I need a passport to fly from Philadelphia to Trieste?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What car rental options are available at Trieste Ronchi dei Legionari Airport (TRS)?

    Trieste Ronchi dei Legionari Airport (TRS) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:

    • DRIVALIA
    • NOLEGGIARE
    • SICILY BY CAR
    • Europcar
    • Budget

  • Which airports can I use when flying from Philadelphia to Trieste?

    Flights from Philadelphia to Trieste usually depart from Philadelphia (PHL) and arrive at Trieste Ronchi dei Legionari (TRS).

  • Which airports do connecting flights from Philadelphia to Trieste pass through?

    Connecting flights from Philadelphia to Trieste most commonly pass through:

    • Rome Fiumicino (FCO) - 50% of one-stop connections
    • Frankfurt am Main (FRA) - 50% of one-stop connections

  • Can I save money by using flexible dates for flights from Philadelphia to Trieste?

    Yes. Flexible dates can save you up to 60% on flights from Philadelphia to Trieste. Sunday is the cheapest departure day at $1,047 round-trip on average, while Saturday is the most expensive at $2,613, a difference of $1,566.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Philadelphia to Trieste?

    Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 15h 01m, compared with 15h 02m via Rome Fiumicino (FCO).

  • What is the time difference between Philadelphia and Trieste?

    Trieste is 6 hours ahead of Philadelphia (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Philadelphia to Trieste flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $1,047, about $1,566 less than Saturday fares (60% savings) based on the last 12 months.

More options for your flight from Philadelphia to Trieste

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