Cheap flights from Sofia to Seoul from $881 SOF → GMP, ICN
Sofia Airport (SOF) → Gimpo International Airport (GMP), Incheon International Airport (ICN)
The cheapest return found recently is $881 with LOT Polish, 12 Feb 2027 – 1 Mar 2027, found 2 days ago.
- Cheapest return found recently
- $881, 12 Feb 2027 to 1 Mar 2027
- Usual return price
- $880 to $993
- Cheapest month to fly
- July 2027, return fares from $877 found in the last 7 days
Return
The cheapest return fare on each of 4 departure dates is usually $880 to $993.
Cheapest return found recently
$881
12 Feb 2027 – 1 Mar 2027 · LOT Polish
Sofia Airport (SOF) → Incheon International Airport (ICN)
Leaves 2:35 p.m. · Return leaves 12:15 p.m. · 66 h of travel, both ways together
out 1 stop, back 1 stop · via Frederic Chopin Airport (WAW) · overnight connection · 20 h connection
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$881 12 Feb 2027 – 1 Mar 2027found 2 days agoSee prices for these dates
$877 19 Jul 2027 – 27 Jul 2027found 6 days agoSee prices for these dates
What have prices looked like?
Over 39 days, 30 Sept to 11 Nov, the cheapest return we saw each day was $681 to $1,030.
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 4 departure dates from 12 Feb 2027 to 19 Jul 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?
We hold no other 17-night return fares leaving within 3 days of 12 Feb 2027 to compare.
Every date we hold
50 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Feb 2027 – 1 Mar 2027 | $881 | LOT Polish | Sofia Airport (SOF) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 16 Apr 2027 – 28 Apr 2027 | $1,095 | Air Serbia | Sofia Airport (SOF) → Incheon International Airport (ICN) | out 3 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 21 Apr 2027 – 5 May 2027 | $959 | Turkish Airlines | Sofia Airport (SOF) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 19 Jul 2027 – 27 Jul 2027 | $877 | Turkish Airlines | Sofia Airport (SOF) → Incheon International Airport (ICN) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
Which month looks cheapest?
July 2027 is the cheapest month — from $877.
Airlines on the cheapest dates: Turkish Airlines, LOT Polish, Air Serbia.
Premium cabin fares from Sofia to Seoul
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 12 Feb 2027 – 1 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sofia to Seoul?
Return
Fares 30 to 59 days before departure were typically 21% lower than 14 to 29 days before departure.
From the cheapest return each day between 30 Sept and 11 Nov (39 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 |
|---|---|---|---|---|
| 14–29 days | $1,016 | $681 | +26% | 14 |
| 30–59 days | $807 | $692 | Cheapest seen | 21 |
| 60–89 days | $965 | $965 | +20% | 9 |
| 90–179 days | $860 | $806 | +7% | 37 |
| 180+ days | $912 | $877 | +13% | 14 |
Live price for these dates
The cheapest return found recently is for 12 Feb 2027 – 1 Mar 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 Sofia to Seoul?
The cheapest return found recently is $881 with LOT Polish, 12 Feb 2027 to 1 Mar 2027, found 2 days ago. The cheapest return we hold, of any age, is $877 with Turkish Airlines, 19 Jul 2027 to 27 Jul 2027, found 6 days ago. The cheapest return fare on each of 4 departure dates is usually $880 to $993.
What is the cheapest month to fly from Sofia to Seoul?
July 2027 is the cheapest month for a return, from $877, 19 Jul 2027 to 27 Jul 2027, found 6 days ago.
How far ahead should I book a flight from Sofia to Seoul?
In 39 days of prices between 30 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 21% lower than 14 to 29 days before departure.
Which airlines have the cheapest flights from Sofia to Seoul?
Between 12 Feb 2027 and 19 Jul 2027, Turkish Airlines has the cheapest return on 2 of the 4 departure dates we hold, LOT Polish 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