Trip.com
>
Flights
>
Bulgaria
>
Flights to Sofia
Hotels in Sofia
>
Cheap Flights from Islamabad to Sofia

What to know about flights from Islamabad to Sofia?

The distance between Islamabad and Sofia is approximately 4,394.99km. According to Trip.com data, travel demand is highest in December.

Cheapest one-way
S$ 718
Pakistan International Airlines Pakistan International Airlines ISB-SOF 13h 35m · 1 stop Fri, Oct 9
Book Now
Cheapest return
S$ 982
Etihad Airways Etihad Airways ISB-SOF 32h 30m · 2 stops Sat, Nov 14 - Sun, Nov 22
Book Now
Recommended airlines
Pakistan International Airlines Pakistan International Airlines Cheapest · From S$ 718
Best time to book
October
Cheapest
December
Peak season for travel
Route details
4,394.99km
Flight distance

Explore the cheapest one-way and round-trip flights from Islamabad to Sofia over the next 90 days, with one-way fares from S$ 718 and round-trip from S$ 982. Based on Trip.com's latest 7-day flight data.

      • ISB 19:35
        32h 30m
        1 stop
        SOF 01:05
        Islamabad - Sofia | Sat, Nov 14 | Etihad Airways
        SOF 13:40
        10h 35m
        1 stop
        ISB 03:15
        Sofia - Islamabad | Sun, Nov 22 | Wizz Air
        S$ 982 S$ 1,584
        38% off
        38% off
        S$ 1,584 S$ 982
      • ISB 06:15
        11h 55m
        1 stop
        SOF 15:10
        Islamabad - Sofia | Tue, Nov 10 | Turkish Airlines
        SOF 13:40
        10h 35m
        1 stop
        ISB 03:15
        Sofia - Islamabad | Sun, Nov 15 | Wizz Air
        S$ 1,128 S$ 1,584
        28% off
        28% off
        S$ 1,584 S$ 1,128
      • ISB 05:05
        17h 15m
        1 stop
        SOF 20:20
        Islamabad - Sofia | Tue, Nov 3 | Turkish Airlines
        SOF 09:40
        16h 5m
        1 stop
        ISB 04:45
        Sofia - Islamabad | Tue, Nov 10 | Turkish Airlines
        S$ 1,166 S$ 1,584
        26% off
        26% off
        S$ 1,584 S$ 1,166
      • ISB 05:05
        17h 15m
        1 stop
        SOF 20:20
        Islamabad - Sofia | Fri, Oct 23 | Turkish Airlines
        SOF 15:50
        9h 45m
        1 stop
        ISB 03:35
        Sofia - Islamabad | Sun, Oct 25 | Turkish Airlines
        S$ 1,203
        24% off
        S$ 1,584 S$ 1,203
      • ISB 09:15
        13h 5m
        1 stop
        SOF 20:20
        Islamabad - Sofia | Tue, Oct 6 | Turkish Airlines
        SOF 09:35
        16h
        1 stop
        ISB 03:35
        Sofia - Islamabad | Sat, Oct 10 | Turkish Airlines
        S$ 1,223
        23% off
        S$ 1,584 S$ 1,223
      • ISB 09:15
        28h 30m
        1 stop
        SOF 11:45
        Islamabad - Sofia | Fri, Oct 9 | Turkish Airlines
        SOF 15:50
        13h 55m
        1 stop
        ISB 07:45
        Sofia - Islamabad | Tue, Oct 13 | Turkish Airlines
        S$ 1,224
        23% off
        S$ 1,584 S$ 1,224
      • ISB 05:05
        29h 40m
        1 stop
        SOF 08:45
        Islamabad - Sofia | Mon, Nov 2 | Turkish Airlines
        SOF 21:10
        8h 35m
        1 stop
        ISB 07:45
        Sofia - Islamabad | Sun, Nov 8 | Turkish Airlines
        S$ 1,225
        23% off
        S$ 1,584 S$ 1,225
      • ISB 09:15
        25h 30m
        1 stop
        SOF 08:45
        Islamabad - Sofia | Wed, Oct 7 | Turkish Airlines
        SOF 09:35
        16h
        1 stop
        ISB 03:35
        Sofia - Islamabad | Fri, Oct 9 | Turkish Airlines
        S$ 1,226
        23% off
        S$ 1,584 S$ 1,226
      • ISB 05:05
        11h 55m
        1 stop
        SOF 15:00
        Islamabad - Sofia | Fri, Oct 16 | Turkish Airlines
        SOF 09:35
        16h
        1 stop
        ISB 03:35
        Sofia - Islamabad | Sat, Oct 24 | Turkish Airlines
        S$ 1,228
        22% off
        S$ 1,584 S$ 1,228
      • ISB 09:15
        25h 30m
        1 stop
        SOF 08:45
        Islamabad - Sofia | Mon, Oct 19 | Turkish Airlines
        SOF 21:10
        8h 35m
        1 stop
        ISB 07:45
        Sofia - Islamabad | Sun, Oct 25 | Turkish Airlines
        S$ 1,235
        22% off
        S$ 1,584 S$ 1,235
      • ISB 13:00
        17h 25m
        1 stop
        SOF 14:00
        Islamabad - Sofia | Sun, Oct 4 | Normal Airline
        SOF 15:00
        6h
        Direct
        ISB 16:00
        Sofia - Islamabad | Tue, Oct 6 | Normal Airline
        Find more flights
        Find more flights
      • ISB 02:50
        13h 35m
        1 stop
        SOF 14:25
        Islamabad - Sofia | Fri, Oct 9 | Pakistan International Airlines
        S$ 718 S$ 1,235
        42% off
        42% off
        S$ 1,235 S$ 718
      • ISB 10:10
        25h 30m
        1 stop
        SOF 08:40
        Islamabad - Sofia | Tue, Oct 27 | Turkish Airlines
        S$ 769 S$ 1,235
        38% off
        38% off
        S$ 1,235 S$ 769
      • ISB 10:10
        13h 40m
        1 stop
        SOF 20:50
        Islamabad - Sofia | Wed, Oct 28 | Turkish Airlines
        S$ 769 S$ 1,235
        38% off
        38% off
        S$ 1,235 S$ 769
      • ISB 06:15
        11h 55m
        1 stop
        SOF 15:10
        Islamabad - Sofia | Tue, Oct 27 | Pakistan International Airlines
        S$ 792
        36% off
        S$ 1,235 S$ 792
      • ISB 05:05
        8h 40m
        1 stop
        SOF 11:45
        Islamabad - Sofia | Fri, Oct 9 | Turkish Airlines
        S$ 813
        34% off
        S$ 1,235 S$ 813
      • ISB 09:00
        31h 25m
        1 stop
        SOF 13:25
        Islamabad - Sofia | Tue, Oct 27 | Emirates
        S$ 963
        22% off
        S$ 1,235 S$ 963
      • ISB 13:00
        17h 25m
        1 stop
        SOF 14:00
        Islamabad - Sofia | Sun, Oct 4 | Normal Airline
        Find more flights
        Find more flights

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Islamabad to Sofia?

    Based on Trip.com data, Pakistan International Airlines offers Cheapest nonstop one-way flights from S$ 718 (for example, ISB–SOF on Fri, Oct 9). For a Cheapest nonstop return flight, Etihad Airways offers fares from S$ 982, departing on Sat, Nov 14 and returning on Sun, Nov 22.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Islamabad 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.
  • Here are some tips for finding the best flight deals from Islamabad to Sofia on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Fri, Oct 9, with one-way fares from just S$ 718.
    · Compare airlines. Pakistan International Airlines currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. December is generally the busiest month for travel to Sofia.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Islamabad to Sofia is usually October, when demand is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Islamabad to Sofia on October 30, 2026 with Etihad Airways, with prices starting at S$ 982.
  • The time difference between Sofia and Islamabad is 3h.
  • Tickets can only be changed or cancelled 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Islamabad to Sofia is S$ 925. Fares vary by travel date, airline and availability.
  • Enter Islamabad and Sofia, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

Find Cheap Flights & Deals on Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.