Cheap flights from Lisbon to Sofia from $231 LIS → SOF
Lisbon Portela Airport (LIS) → Sofia Airport (SOF)
The cheapest return found recently is $231 with Air Serbia, 24 Dec – 4 Jan 2027, found yesterday.
- Cheapest return found recently
- $231, 24 Dec to 4 Jan 2027
- Usual return price
- $231 to $250
- Cheapest month to fly
- February 2027, return fares from $165 found in the last 7 days
Return
The cheapest return fare on each of 5 departure dates is usually $231 to $250.
Cheapest return found recently
$231
24 Dec – 4 Jan 2027 · Air Serbia
Lisbon Portela Airport (LIS) → Sofia Airport (SOF)
Leaves 5:20 p.m. · Return leaves 9:30 p.m. · 19 h 50 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$231 24 Dec – 4 Jan 2027found yesterdaySee prices for these dates
$165 6 Feb 2027 – 14 Feb 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 47 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $128 to $239.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 21 Dec to 24 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold 11-night return fares on 1 other departure date within 3 days of 24 Dec, and it is not cheaper.
Every date we hold
9 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Dec – 4 Jan 2027 | $250 | Ryanair | Lisbon Portela Airport (LIS) → Sofia Airport (SOF) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 23 Dec – 3 Jan 2027 | $305 | Wizz Air Malta | Lisbon Portela Airport (LIS) → Sofia Airport (SOF) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 24 Dec – 4 Jan 2027 | $231 | Air Serbia | Lisbon Portela Airport (LIS) → Sofia Airport (SOF) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 6 Feb 2027 – 14 Feb 2027 | $165 | Ryanair | Lisbon Portela Airport (LIS) → Sofia Airport (SOF) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 24 May 2027 – 31 May 2027 | $239 | Vueling | Lisbon Portela Airport (LIS) → Sofia Airport (SOF) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $165.
Airlines on the cheapest dates: Ryanair, Wizz Air Malta, Air Serbia, Vueling.
Premium cabin fares from Lisbon to Sofia
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 24 Dec – 4 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Lisbon to Sofia?
Return
Fares 90 to 179 days before departure were typically 19% lower than 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $197 | $132 | +24% | 26 |
| 60–89 days | $196 | $128 | +23% | 23 |
| 90–179 days | $159 | $128 | Cheapest seen | 16 |
| 180+ days | $239 | $239 | +50% | 7 |
Live price for these dates
The cheapest return found recently is for 24 Dec – 4 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Lisbon to Sofia?
The cheapest return found recently is $231 with Air Serbia, 24 Dec to 4 Jan 2027, found yesterday. The cheapest return we hold, of any age, is $165 with Ryanair, 6 Feb 2027 to 14 Feb 2027, found 4 days ago. The cheapest return fare on each of 5 departure dates is usually $231 to $250.
What is the cheapest month to fly from Lisbon to Sofia?
February 2027 is the cheapest month for a return, from $165, 6 Feb 2027 to 14 Feb 2027, found 4 days ago.
How far ahead should I book a flight from Lisbon to Sofia?
In 47 days of prices between 24 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 19% lower than 30 to 59 days before departure.
Which airlines have the cheapest flights from Lisbon to Sofia?
Between 21 Dec and 24 May 2027, Ryanair has the cheapest return on 2 of the 5 departure dates we hold, Wizz Air Malta on 1 and Air Serbia on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work