Cheap flights from Lisbon (LIS) to Sofia (SOF)
Find cheap flights from Lisbon to Sofia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Sofia are usually found in January or November, booked 7 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap flight deals from Lisbon to Sofia
Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Popular in | August |
Cheapest in | January |
Average price | $328 |
Compare providers for flights from Lisbon to Sofia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Sofia in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Lisbon-Sofia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Sofia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Sofia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Lisbon-Sofia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Lisbon to Sofia
Have a flexible travel schedule? Discover the best time to fly to Sofia from Lisbon with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Lisbon to Sofia
How far ahead should I book a flight from Lisbon to Sofia?
The best time to book flights from Lisbon to Sofia is 7 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Lisbon to Sofia?
Currently, January is the cheapest month in which you can book a flight from Lisbon to Sofia (average of $40). Flying from Lisbon to Sofia in July is currently the most expensive (average of $296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LIS to SOF?
Unlike at noon, when flights are generally more expensive, you can save up to 46% on flights from Lisbon to Sofia by exploring options for tickets in the afternoon.
How often are flights from Lisbon to Sofia delayed?
About 16% of weekly flights between Lisbon and Sofia have experienced delays in the past year, with the average delay time being 101 minutes.
What is the most punctual flight time for Lisbon to Sofia flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Lisbon to Sofia flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with no flights being classified as delayed.