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Flights from Trieste to Sofia

Find flight deals from Trieste to Sofia for the next 3 months. Book one way flights from €53 or round trip flights from €155.

      • TRS 6:35 AM
        4h 30m
        1 stop
        SOF 12:05 PM
        Trieste - Sofia | Wed, Apr 1 | ITA Airways
        SOF 6:00 PM
        5h 55m
        1 stop
        TRS 10:55 PM
        Sofia - Trieste | Sun, Apr 5 | ITA Airways
        €155 €268
        42% off
        42% off
        €268 €155
      • TRS 6:35 AM
        4h 30m
        1 stop
        SOF 12:05 PM
        Trieste - Sofia | Mon, Apr 6 | ITA Airways
        SOF 6:00 PM
        5h 55m
        1 stop
        TRS 10:55 PM
        Sofia - Trieste | Fri, Apr 10 | ITA Airways
        €158 €268
        41% off
        41% off
        €268 €158
      • TRS 7:15 PM
        20h 55m
        1 stop
        SOF 5:10 PM
        Trieste - Sofia | Thu, Apr 2 | ITA Airways
        SOF 6:00 PM
        5h 55m
        1 stop
        TRS 10:55 PM
        Sofia - Trieste | Sun, Apr 5 | ITA Airways
        €164 €268
        39% off
        39% off
        €268 €164
      • TRS 6:15 AM
        6h
        1 stop
        SOF 1:15 PM
        Trieste - Sofia | Sat, Apr 11 | Lufthansa
        SOF 1:50 PM
        9h 25m
        1 stop
        TRS 10:15 PM
        Sofia - Trieste | Wed, Apr 15 | Lufthansa
        €164
        39% off
        €268 €164
      • TRS 6:20 AM
        6h 5m
        1 stop
        SOF 1:25 PM
        Trieste - Sofia | Tue, Apr 28 | Lufthansa
        SOF 11:50 AM
        11h 25m
        1 stop
        TRS 10:15 PM
        Sofia - Trieste | Wed, May 6 | Lufthansa
        €165
        38% off
        €268 €165
      • TRS 6:15 AM
        6h 35m
        1 stop
        SOF 1:50 PM
        Trieste - Sofia | Thu, Mar 19 | Lufthansa
        SOF 2:20 PM
        9h 5m
        1 stop
        TRS 10:25 PM
        Sofia - Trieste | Mon, Mar 23 | Lufthansa
        €168
        37% off
        €268 €168
      • TRS 2:40 PM
        7h 5m
        1 stop
        SOF 10:45 PM
        Trieste - Sofia | Wed, Mar 25 | Lufthansa
        SOF 1:50 PM
        9h 25m
        1 stop
        TRS 10:15 PM
        Sofia - Trieste | Wed, Apr 1 | Lufthansa
        €170
        37% off
        €268 €170
      • TRS 6:25 AM
        6h 10m
        1 stop
        SOF 1:35 PM
        Trieste - Sofia | Sat, Mar 21 | Lufthansa
        SOF 6:00 AM
        9h
        1 stop
        TRS 2:00 PM
        Sofia - Trieste | Tue, Mar 24 | Lufthansa
        €171
        36% off
        €268 €171
      • TRS 6:10 AM
        11h
        1 stop
        SOF 6:10 PM
        Trieste - Sofia | Mon, May 4 | Lufthansa
        SOF 1:55 PM
        9h
        1 stop
        TRS 9:55 PM
        Sofia - Trieste | Sat, May 9 | Lufthansa
        €173
        35% off
        €268 €173
      • TRS 2:45 PM
        6h 55m
        1 stop
        SOF 10:40 PM
        Trieste - Sofia | Tue, Mar 31 | Lufthansa
        SOF 2:10 PM
        9h 15m
        1 stop
        TRS 10:25 PM
        Sofia - Trieste | Tue, Apr 7 | Lufthansa
        €187
        30% off
        €268 €187
      • TRS 1:00 PM
        17h 25m
        1 stop
        SOF Invalid Date
        Trieste - Sofia | Sun, Mar 15 | Normal Airline
        SOF 3:00 PM
        6h
        Nonstop
        TRS 4:00 PM
        Sofia - Trieste | Tue, Mar 17 | Normal Airline
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      • TRS 5:30 PM
        18h 35m
        1 stop
        SOF 1:05 PM
        Trieste - Sofia | Sat, Mar 14 | Ryanair
        €53 €382
        86% off
        86% off
        €382 €53
      • TRS 3:15 PM
        24h 55m
        1 stop
        SOF 5:10 PM
        Trieste - Sofia | Thu, Apr 2 | ITA Airways
        €99 €382
        74% off
        74% off
        €382 €99
      • TRS 3:00 PM
        6h 45m
        1 stop
        SOF 10:45 PM
        Trieste - Sofia | Sat, Mar 14 | Lufthansa
        €164 €382
        56% off
        56% off
        €382 €164
      • TRS 6:00 AM
        15h 40m
        1 stop
        SOF 10:40 PM
        Trieste - Sofia | Fri, Apr 3 | Air Dolomiti
        €267
        30% off
        €382 €267
      • TRS 2:40 PM
        7h 10m
        1 stop
        SOF 10:50 PM
        Trieste - Sofia | Thu, Apr 2 | Air Dolomiti
        €267
        30% off
        €382 €267
      • TRS 1:00 PM
        17h 25m
        1 stop
        SOF Invalid Date
        Trieste - Sofia | Sun, Mar 15 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Trieste to Sofia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Trieste to Sofia

The distance between Trieste and Sofia is approximately 863.56 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is November.

Cheapest one-way flight price€53
Cheapest round-trip ticket price€155
Off-season for travelNovember
Peak season for travelJanuary
Flight distance863.56 km
Flight statistics for the Trieste–Sofia route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Trieste to Sofia (TRS-SOF)?

    Based on Trip.com data, Ryanair offers one-way fares as low as €53 on Cheapest nonstop routes (e.g. TRS to SOF on Sat, Mar 14), while ITA Airways offers Cheapest nonstop round-trips from €155 departing on Wed, Apr 1 and returning on Sun, Apr 5.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Trieste to Sofia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Trieste to Sofia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Mar 14, with one-way flights priced at just €53.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sofia travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Trieste to Sofia is November, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Trieste to Sofia on March 19, 2026 with Lufthansa, with prices starting at €168.
  • The time difference between Sofia and Trieste is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.