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What to know about flights from Billund to Sofia?

The approximate distance between Billund and Sofia is 1,774.66 km.

Cheapest one-way
BRL 468
Norwegian Air Sweden Norwegian Air Sweden BLL-SOF 17h 45m · 1 stop Mon, Nov 16
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Cheapest round-trip
BRL 1,339
LOT Polish Airlines LOT Polish Airlines BLL-SOF 6h 25m · 2 stops Sun, Nov 29 - Sat, Dec 5
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Route details
1,774.66 km
Flight distance

Explore the cheapest one-way and round-trip flights from Billund to Sofia over the next 90 days, with one-way fares from BRL 468 and round-trip from BRL 1,339. Based on Trip.com's latest 7-day flight data.

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

Frequently Asked Questions

  • What are the cheapest flights from Billund to Sofia (BLL-SOF)?

    Based on Trip.com data, Norwegian Air Sweden offers one-way fares as low as BRL 468 on Cheapest nonstop routes (e.g. BLL to SOF on Mon, Nov 16), while LOT Polish Airlines offers Cheapest nonstop round-trips from BRL 1,339 departing on Sun, Nov 29 and returning on Sat, Dec 5.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Billund 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 Billund 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 Mon, Nov 16, with one-way flights priced at just BRL 468.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Norwegian Air Sweden.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Get exclusive promo codes for Trip.com app users.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Billund to Sofia on Mon, Nov 16 with Norwegian Air Sweden, with prices starting at BRL 468.
  • The time difference between Sofia and Billund 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Billund to Sofia is BRL 1,781. Fares vary by travel date, airline and availability.
  • Enter Billund 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 traveler details and complete payment to receive your confirmation.
  • Wizz Airare the most popular budget airlines flying from Billund to Sofia. Check baggage, seat and payment fees before comparing the final price.

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

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date 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.