Cheap Flights from Bilbao to Sofia from SEK 354

Frequently Asked Questions

• What are the cheapest flights from Bilbao to Sofia (BIO-SOF)?

  Based on Trip.com data, easyJet offers one-way fares as low as SEK 354 on Cheapest nonstop routes (e.g. BIO to SOF on Wed, Nov 4), while Vueling Airlines offers Cheapest nonstop round-trips from SEK 975 departing on Fri, Dec 18 and returning on Mon, Dec 21.

• Which airlines offer direct flights from Bilbao to Sofia?

  At the moment, you can catch a nonstop flight from Bilbao to Sofia with the following airlines, including: easyJet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bilbao 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.

• How can I find the best deals on flights from Bilbao to Sofia?

  To find best deals on flights from Bilbao 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 Wed, Nov 4, with one-way flights priced at just SEK 354.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is easyJet.
  · 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 July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Bilbao (BIO) to Sofia (SOF) the cheapest?

  The cheapest months to fly from Bilbao to Sofia is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Bilbao to Sofia on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Bilbao to Sofia on October 28, 2026 with easyJet, with prices starting at SEK 354.

• Which airports fly into Sofia from Bilbao?

  You can land at any one of the following hubs in Sofia: Sofia Airport (SOF). Flying from Bilbao Airport to Sofia Airport (BIO-SOF) is by far the most common option on this route.

• Is there any time difference between Bilbao and Sofia?

  The time difference between Sofia and Bilbao is 1h.

• How do I change or cancel my ticket from Bilbao to Sofia?

  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.

• What is the average cost of a one-way flight from Bilbao to Sofia?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Bilbao to Sofia is SEK 2,342. Fares vary by travel date, airline and availability.

• How do I book flights from Bilbao to Sofia on Trip.com?

  Enter Bilbao 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.

• Are there budget airlines on the Bilbao to Sofia route?

  Vueling Airlinesare the most popular budget airlines flying from Bilbao to Sofia. Check baggage, seat and payment fees before comparing the final price.