Route overview
The average round-trip fare from Kolkata to Sofia is Rs 72,163, with October as the best month for lower prices. Indian travelers should check visa requirements for Sofia, as no daily budget data is available for the destination.
Best deal available now
✈
Prices are 15% below average — great time to book
₹43,037
↓ 15% vs route avg
Departure: 2026-09-07 · in 3 days · Prices tracked live by Tripfik
₹42,848
Cheapest available
₹50,702
Route avg (120d)
Oct
Cheapest month
5,019
Fares tracked
As of September 2026, the cheapest one-way flight from Kolkata to Sofia is ₹42,848, which is 15% below the 12-month average of ₹50,702.
Cheapest Kolkata to Sofia flights
Next 120 days — sorted by date
₹43,037
07 Sep
· in 3d
₹43,118
09 Sep
· in 5d
₹47,973
12 Sep
· in 8d
Weekend
₹42,872
13 Sep
· in 9d
Weekend
₹47,256
14 Sep
· in 10d
₹48,625
15 Sep
· in 11d
₹43,037
16 Sep
· in 12d
₹43,060
18 Sep
· in 14d
Weekend
Under ₹43,118 = top 25% best fares on this route
Round-trip fares — Kolkata ↔ Sofia
Both directions combined · 3–14 night stays
12-month low
₹42,733
best RT found this year
12-month avg
₹72,009
typical combined price
12-month peak
₹326,428
avoid Jul
Best month for RT
Oct
lowest avg RT fares
Booking at the right time saves up to ₹29,276 (41%) vs average RT price.
Best time to visit Sofia from Kolkata
Monthly price, weather & crowd guide
Jul
Oct
| Month | Typical OW fare | Verdict |
|---|---|---|
| Sep | ₹49,260 | Great value |
| Oct CHEAPEST | ₹67,097 | Average |
Kolkata to Sofia — FAQ
What is the cheapest month to fly Kolkata to Sofia?
October is the best month for lower fares, though average prices remain around Rs 72,163. No weather or crowd data is available to explain this trend.
How much does a Kolkata to Sofia trip cost?
The average round-trip fare is Rs 72,163, with a minimum of Rs 42,733. Daily budget data for Sofia is not provided in the destination.
How far in advance should I book Kolkata to Sofia flights?
Booking 31-60 days ahead offers the lowest average fare at Rs 67,192. Prices increase significantly as departure nears, peaking at Rs 85,741 for last-minute bookings.
Which airlines fly Kolkata to Sofia and are there non-stops?
Airlines include Air India, Lufthansa, Emirates, and 15 others. Non-stop options are not specified; travelers should confirm during booking.
How many days is ideal for a Sofia trip from India?
No specific duration is recommended due to missing attraction data. Consider budget constraints and October as the optimal travel month.
Do Indians need a visa for Sofia?
Indian travelers must check visa requirements for Sofia, as no details on cost or process are provided in the data.
What is the best time to visit Sofia?
October is recommended as the best month, while July should be avoided. Weather and crowd data is unavailable to confirm this recommendation.
What are the top things to do in Sofia?
No top attractions are listed for Sofia. Travelers are advised to research local experiences based on their interests.
Route data (12 months · 5,019 fares)
12m avg RT fare
₹72,009
RT historical low
₹42,733
Volatility
High
Data tier
Tier B · updated continuously
Last updated 4 Sep 2026 · Tripfik tracks live fares from all major Indian airports