Istanbul to Sofia IST, SAW → SOF

Found recently, and the cheapest we hold

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $107 to $121.

At $121, the cheapest return found recently is at the high end of that range.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 23-night return fares leaving within 3 days of 25 Dec to compare.

Every date we hold

36 fares on 23 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $114.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 22 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $53 to $137.

At $53, the cheapest one-way found recently is at the low end of that range.

22 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 17 Jan 2027, and it is not cheaper.

Every date we hold

6 fares on 6 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $53.

Return

Fares 14 to 29 days before departure were typically 12% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 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.

One-way

Not enough history yet: in 22 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.