Trip.com
>
Flights
>
Flights to Norway
>
Flights to Trondelag
>
Flights to Trondheim
Hotels in Trondheim
>
Flights from Sofia to Trondheim

Find flight deals from Sofia to Trondheim for the next 3 months. Book one way flights from PHP 5,782 or round trip flights from PHP 35,212.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Sofia to Trondheim

The distance between Sofia and Trondheim is about 2,470.22 km. The most popular month to Trondheim is November. The off-season for travel is October.

Cheapest one-way flight pricePHP 5,782
Cheapest round-trip ticket pricePHP 35,212
Off-season for travelOctober
Peak season for travelNovember
Flight distance2,470.22 km

When is the cheapest time to fly from Sofia to Trondheim?

The cheapest time for Sofia to Trondheim flights: Nov 20 to Nov 26 — one way flight prices from PHP 5,781.

Cheapest flights
From price
Search
  • 2329

  • Nov

    305
  • 612
  • 1319
  • 2026

  • Dec

    273
  • 410
  • 1117
  • 1824
  • 2531

  • Jan

    17
  • 814
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When is the best time to book flights from Sofia to Trondheim?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sofia to Trondheim 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.
  • The cheapest months to fly from Sofia to Trondheim is October, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Sofia to Trondheim on October 30, 2025 with KLM Royal Dutch Airlines, with prices starting at PHP 36,613.
  • The time difference between Trondheim and Sofia 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.

How to find a cheap flight from Sofia to Trondheim

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Sofia to Trondheim. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
For the best booking experience on the go, download Trip.com and search for cheap flights to access exclusive deals just for you.

More Travel Options