Sofia to Bucharest SOF → OTP
Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP)
The cheapest return found recently is $202 with Air Serbia, 1 Nov – 18 Nov, found today. The cheapest one-way found recently is $46 with Tarom, 15 Apr 2027, found 2 days ago.
Return
The cheapest return fare on each of 3 departure dates is usually $166 to $193.
Cheapest return found recently
$202
1 Nov – 18 Nov · Air Serbia
Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP)
Leaves 4:00 p.m. · Return leaves 6:30 p.m. · 30 h 30 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$202 1 Nov – 18 Novfound todaySee prices for these dates
$148 30 Oct – 4 Novfound 6 days agoSee prices for these dates
What have prices looked like?
Over 23 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $80 to $187.
At $202, the cheapest return found recently is above that range.
23 days is a short history, so treat this range as an early guide.
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 3 departure dates from 29 Oct to 1 Nov, 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?
We hold no other 17-night return fares leaving within 3 days of 1 Nov to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 29 Oct – 4 Nov | $183 | Air Serbia | Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 30 Oct – 4 Nov | $148 | Wizz Air | Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 1 Nov – 18 Nov | $202 | Air Serbia | Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP) | out 1 stop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $148.
Airlines on the cheapest dates: Air Serbia, Wizz Air.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$46
15 Apr 2027 · Tarom
Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP)
Leaves 7:45 p.m. · 1 h 5 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$46
15 Apr 2027 · Tarom
Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP)
Leaves 7:45 p.m. · 1 h 5 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$46 15 Apr 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $37 to $68.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 15 Apr 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Dec | $53 | Wizz Air | Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP) | 1 stop | found 5 days ago | Open this trip |
| 15 Apr 2027 | $46 | Tarom | Sofia Airport (SOF) → Bucharest Henri Coanda International Airport (OTP) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
April 2027 is the cheapest month — from $46.
Airlines on the cheapest dates: Wizz Air, Tarom.
Premium cabin fares from Sofia to Bucharest
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 1 Nov – 18 Nov in another cabin: Premium economy · Business · First
Today's prices for 15 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sofia to Bucharest?
Return
Fares 180 or more days before departure were typically 60% lower than 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (23 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 |
|---|---|---|---|---|
| 7–13 days | $199 | $129 | +149% | 7 |
| 14–29 days | $145 | $98 | +81% | 12 |
| 90–179 days | $144 | $144 | +80% | 8 |
| 180+ days | $80 | $80 | Cheapest seen | 8 |
One-way
Not enough history yet: in 25 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 1 Nov – 18 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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