Cheap Flights from Kolkata (CCU) to Sofia (SOF)

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Find the cheapest month to fly from Kolkata to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kolkata to Sofia flights are currently cheapest in July.

Kolkata to Sofia: Alternative routes

Compare routes from Kolkata to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Kolkata to Sofia: Flight information

The things to know before you go.
Cheapest flight found$427
Cheapest month to flyJuly

Finding cheap flights from Kolkata to Sofia: Frequently asked questions

The best price we found for a round-trip flight from Kolkata to Sofia is $698. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Kolkata to Sofia. But we found flights with one or more stops from $696.
There are no flights flying from Kolkata to Sofia, as of May 2025.
The cheapest month to fly from Kolkata to Sofia is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kolkata Airport to Sofia Airport on Thursday, May 29, 2025.
No airlines currently offer direct flights between Kolkata Airport and Sofia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo offers the cheapest flight tickets to Sofia.

Traveling from Netaji Subhas Chandra Bose Airport (CCU) to Sofia Airport (SOF): what you need to know

  • The timezone in Sofia is UTC+2, which is three hours 30 minutes behind Kolkata.

  • To ensure you catch your CCU to SOF flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • During popular months like July, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a high season in general.

  • Choose a stopover if you want to break up your flight. Just deselect 'Direct flights only' to look at all your options for tickets from Netaji Subhas Chandra Bose Airport to Sofia Airport. Hamad International Airport is a popular stopover on the CCU to SOF route.

How to find the cheapest flights from Netaji Subhas Chandra Bose Airport (CCU) to Sofia Airport (SOF)

  • Right now, $425 is the lowest price we've found for a one-way Netaji Subhas Chandra Bose Airport to Sofia Airport flight. The best price for a return plane ticket is $696. Remember that fares may change due to demand at the time of booking.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from CCU to SOF if you book in advance. Airlines often have some great early bird rates.

  • Finding cheap flights from Netaji Subhas Chandra Bose Airport to Sofia Airport is easy if you can be flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across the month and land a great deal.

  • Landing cheap flights from CCU to SOF couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Netaji Subhas Chandra Bose Airport to Sofia Airport.

Handy information about Netaji Subhas Chandra Bose Airport (CCU)

  • Of all flights leaving Netaji Subhas Chandra Bose Airport, 75.9% land on time at their destination.

  • Central Kolkata to Netaji Subhas Chandra Bose Airport is around 10 miles. Depending on traffic, it'll take you about 40 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Taking public transport? You can expect a journey time of around 55 minutes.

  • Searching for a convenient hotel close to CCU? If you're boarding an early flight from Netaji Subhas Chandra Bose Airport to Sofia Airport, these stays will put you moments from your departure gate:

Arriving at Sofia Airport (SOF)

  • Book a hotel near SOF if you're on a late Netaji Subhas Chandra Bose Airport to Sofia Airport flight. Choose one of these accommodation options and skip the long transfer after landing:

  • Get your adventure underway by picking up a Sofia Airport rental car. Grab a set of wheels from MEX, Surprice or NU Car Rentals to explore Sofia and beyond.

  • Lock in the lowest price by booking your vehicle from Sofia Airport about one week before your travel date.

Getting from Sofia Airport (SOF) to central Sofia

  • Sofia Airport to central Sofia has a drive time of about 15 minutes. It's approximately 7 miles away.

  • It'll take around 35 minutes when traveling by public transport.

When to fly to Sofia Airport (SOF)

  • The quietest month for a flight from Netaji Subhas Chandra Bose Airport to Sofia Airport is April, while August is the busiest. Pick the ideal time to go to Sofia based on whether you prefer a more fast-paced or easygoing experience.

  • Book your flight from Netaji Subhas Chandra Bose Airport to Sofia Airport for August if you'd like to explore Sofia during its warmest month. You can expect temperatures of between 57ºF and 86ºF.

  • If you want to travel in cooler conditions, search for a cheap ticket from CCU to SOF in January. Average temperatures are between 12ºF and 45ºF then.

Explore more of Bulgaria

  • You've seen Sofia, now it's time to explore other parts of Bulgaria. Travel about 80 miles south-east to Plovdiv to tick off its top attractions. From Plovdiv Old Town to Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe, you've got a jam-packed schedule ahead.

  • If you're ready to explore another side of Bulgaria, head for Varna, about 240 miles east of Sofia. Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза) are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.