Cheap Flights from Porto to Sofia from €36

Frequently Asked Questions

• What are the cheapest flights from Porto to Sofia (OPO-SOF)?

  Based on Trip.com data, Ryanair offers one-way fares as low as €36 on Cheapest nonstop routes (e.g. OPO to SOF on Wed, Apr 15), while Vueling Airlines offers Cheapest nonstop round-trips from €116 departing on Tue, May 12 and returning on Tue, May 19.

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

  To find best deals on flights from Porto 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, Apr 15, with one-way flights priced at just €36.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bulgaria Air.
  · 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 Porto (OPO) to Sofia (SOF) the cheapest?

  The cheapest months to fly from Porto to Sofia is November, when demand for travel is lower.

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

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Porto to Sofia on March 29, 2026 with Air Serbia, with prices starting at €214.

• Is there any time difference between Porto and Sofia?

  The time difference between Sofia and Porto is 2h.

• How do I change or cancel my ticket from Porto 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.