- Regular
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Only students above 12 years of age are eligible for special fares and/or additional baggage allowances. Carrying valid student ID cards and student visas (where applicable) is mandatory, else the passenger may be denied boarding or asked to pay for extra baggage.
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Duration
Stops From Kolkata
Departure From Kolkata
₹ 1,69,624
₹ 1,50,490
₹ 1,35,541
₹ 1,11,692
Arrival at Buenos Aires
₹ 1,55,661
₹ 1,11,692
₹ 1,36,701
Alliances & Airlines
Oneworld
(12)
SkyTeam
(25)
Star Alliance
(61)
+ 6 more
Layover Airports
+ 8 more
Layover Duration
Further Flights From Kolkata (CCU)
Further Flights From Buenos Aires (BUE)
Top International Routes
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31st July’25
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Hotels in Kolkata
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Trains to Kolkata
Kolkata to Buenos Aires Flights, Fares @ ₹111692 + Flat Rs 1500 OFF
₹ 1,11,692
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
British Airways BA 7966 | Operated By IndiGo
19:30
Mon, 1 Sep 25
Kolkata, India
02 h 25 m
21:55
Mon, 1 Sep 25
Terminal T1
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 256
10:05
Tue, 2 Sep 25
Terminal T3
New Delhi, India
09 h 50 m
15:25
Tue, 2 Sep 25
Terminal T5
London - Heathrow Apt, United Kingdom
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 249
21:55
Tue, 2 Sep 25
London - Heathrow Apt, United Kingdom
11 h 40 m
05:35
Wed, 3 Sep 25
Rio de Janeiro, Brazil
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 249
07:15
Wed, 3 Sep 25
Rio de Janeiro, Brazil
03 h 20 m
10:35
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Standard economy
Fare offered by airline.
₹ 7,000
₹ 10,000
₹ 1,11,692
Premium economy
Fare offered by airline.
₹ 10,000
₹ 10,000
₹ 1,27,941
₹ 1,11,715
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
British Airways BA 8004 | Operated By IndiGo
19:05
Mon, 1 Sep 25
Kolkata, India
03 h
22:05
Mon, 1 Sep 25
Terminal T1
Mumbai, India
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 138
01:40
Tue, 2 Sep 25
Terminal T2
Mumbai, India
09 h 55 m
07:05
Tue, 2 Sep 25
Terminal T5
London - Heathrow Apt, United Kingdom
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 249
21:55
Tue, 2 Sep 25
London - Heathrow Apt, United Kingdom
11 h 40 m
05:35
Wed, 3 Sep 25
Rio de Janeiro, Brazil
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 249
07:15
Wed, 3 Sep 25
Rio de Janeiro, Brazil
03 h 20 m
10:35
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Standard economy
Fare offered by airline.
₹ 7,000
₹ 10,000
₹ 1,11,715
Economy Standard
Fare offered by airline.
₹ 1,82,754
₹ 1,27,965
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
British Airways BA 8004 | Operated By IndiGo
19:05
Mon, 1 Sep 25
Kolkata, India
03 h
22:05
Mon, 1 Sep 25
Terminal T1
Mumbai, India
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 134
09:30
Tue, 2 Sep 25
Terminal T2
Mumbai, India
09 h 55 m
14:55
Tue, 2 Sep 25
Terminal T5
London - Heathrow Apt, United Kingdom
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 249
21:55
Tue, 2 Sep 25
London - Heathrow Apt, United Kingdom
11 h 40 m
05:35
Wed, 3 Sep 25
Rio de Janeiro, Brazil
BAGGAGE : CHECK INCABIN
Information not available
British Airways BA 249
07:15
Wed, 3 Sep 25
Rio de Janeiro, Brazil
03 h 20 m
10:35
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Premium economy
Fare offered by airline.
₹ 10,000
₹ 10,000
₹ 1,27,965
₹ 1,35,517
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
Swiss LX 9859 | Operated By Air India
20:30
Mon, 1 Sep 25
Kolkata, India
02 h 35 m
23:05
Mon, 1 Sep 25
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 147
01:05
Tue, 2 Sep 25
Terminal T3
New Delhi, India
08 h 45 m
06:20
Tue, 2 Sep 25
Zurich, Switzerland
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
22:40
Tue, 2 Sep 25
Zurich, Switzerland
11 h 45 m
05:25
Wed, 3 Sep 25
Sao Paulo, Brazil
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
07:45
Wed, 3 Sep 25
Sao Paulo, Brazil
03 h
10:45
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Economy saver
Fare offered by airline.
₹ 15,165
₹ 1,35,517
Economy base
Fare offered by airline.
₹ 15,165
₹ 1,40,174
Economy flex
Fare offered by airline.
₹ 1,44,837
Premium economy saver
Fare offered by airline.
₹ 20,215
₹ 2,56,211
₹ 1,35,541
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
Swiss LX 9871 | Operated By Air India
17:30
Mon, 1 Sep 25
Kolkata, India
02 h 55 m
20:25
Mon, 1 Sep 25
Terminal T2
Mumbai, India
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 155
00:40
Tue, 2 Sep 25
Terminal T2
Mumbai, India
09 h 05 m
06:15
Tue, 2 Sep 25
Zurich, Switzerland
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
22:40
Tue, 2 Sep 25
Zurich, Switzerland
11 h 45 m
05:25
Wed, 3 Sep 25
Sao Paulo, Brazil
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
07:45
Wed, 3 Sep 25
Sao Paulo, Brazil
03 h
10:45
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Economy saver
Fare offered by airline.
₹ 15,165
₹ 1,35,541
Economy base
Fare offered by airline.
₹ 15,165
₹ 1,40,198
Economy flex
Fare offered by airline.
₹ 1,44,860
Premium economy saver
Fare offered by airline.
₹ 20,215
₹ 2,56,235
₹ 1,36,701
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
Air France AF 6059 | Operated By IndiGo
19:05
Mon, 1 Sep 25
Kolkata, India
03 h
22:05
Mon, 1 Sep 25
Terminal T1
Mumbai, India
BAGGAGE : CHECK INCABIN
Information not available
Air France AF 217
01:20
Tue, 2 Sep 25
Terminal T2
Mumbai, India
09 h 35 m
07:25
Tue, 2 Sep 25
Terminal T2E
Paris, France
BAGGAGE : CHECK INCABIN
Information not available
Air France AF 468
13:20
Tue, 2 Sep 25
Terminal T2E
Paris, France
13 h 25 m
21:45
Tue, 2 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Economy light
Fare offered by airline.
₹ 17,330
₹ 1,36,701
Standard
Fare offered by airline.
₹ 17,330
₹ 1,43,720
Flex
Fare offered by airline.
₹ 1,52,926
Economy full flex
Fare offered by airline.
₹ 2,81,797
₹ 1,49,861
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
Air India AI 2738
19:25
Mon, 1 Sep 25
Kolkata, India
02 h 45 m
22:10
Mon, 1 Sep 25
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 147
01:05
Tue, 2 Sep 25
Terminal T3
New Delhi, India
08 h 45 m
06:20
Tue, 2 Sep 25
Zurich, Switzerland
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
22:40
Tue, 2 Sep 25
Zurich, Switzerland
11 h 45 m
05:25
Wed, 3 Sep 25
Sao Paulo, Brazil
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
07:45
Wed, 3 Sep 25
Sao Paulo, Brazil
03 h
10:45
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Economy saver
Fare offered by airlines.
₹ 15,165
₹ 1,49,861
Economy base
Fare offered by airlines.
₹ 15,165
₹ 1,54,517
Economy flex
Fare offered by airlines.
₹ 1,59,180
Premium economy saver
Fare offered by airlines.
₹ 20,215
₹ 2,70,555
₹ 1,49,885
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
Air India AI 2774
17:30
Mon, 1 Sep 25
Kolkata, India
02 h 55 m
20:25
Mon, 1 Sep 25
Terminal T2
Mumbai, India
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 155
00:40
Tue, 2 Sep 25
Terminal T2
Mumbai, India
09 h 05 m
06:15
Tue, 2 Sep 25
Zurich, Switzerland
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
22:40
Tue, 2 Sep 25
Zurich, Switzerland
11 h 45 m
05:25
Wed, 3 Sep 25
Sao Paulo, Brazil
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
07:45
Wed, 3 Sep 25
Sao Paulo, Brazil
03 h
10:45
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Economy saver
Fare offered by airlines.
₹ 15,165
₹ 1,49,885
Economy base
Fare offered by airlines.
₹ 15,165
₹ 1,54,541
Economy flex
Fare offered by airlines.
₹ 1,59,204
Premium economy saver
Fare offered by airlines.
₹ 20,215
₹ 2,70,578
₹ 1,50,490
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
Air India AI 2772
10:10
Mon, 1 Sep 25
Kolkata, India
03 h 05 m
13:15
Mon, 1 Sep 25
Terminal T2
Mumbai, India
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 155
00:40
Tue, 2 Sep 25
Terminal T2
Mumbai, India
09 h 05 m
06:15
Tue, 2 Sep 25
Zurich, Switzerland
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
22:40
Tue, 2 Sep 25
Zurich, Switzerland
11 h 45 m
05:25
Wed, 3 Sep 25
Sao Paulo, Brazil
BAGGAGE : CHECK INCABIN
Information not available
Swiss LX 92
07:45
Wed, 3 Sep 25
Sao Paulo, Brazil
03 h
10:45
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Economy Saver
Fare offered by airlines.
₹ 15,160
₹ 1,50,490
Economy Base
Fare offered by airlines.
₹ 20,215
₹ 15,160
₹ 1,55,147
Economy Flex
Fare offered by airlines.
₹ 1,59,810
₹ 1,51,992
Transit Visa required |Use code GODEALS and get Rs 549 discount
Kolkata to Buenos Aires , 1 Sep
Air India AI 2482
19:55
Mon, 1 Sep 25
Kolkata, India
03 h 15 m
23:10
Mon, 1 Sep 25
Terminal T2
Mumbai, India
BAGGAGE : CHECK INCABIN
Information not available
Lufthansa LH 757
02:40
Tue, 2 Sep 25
Terminal T2
Mumbai, India
08 h 55 m
08:05
Tue, 2 Sep 25
Terminal T1
Frankfurt, Germany
BAGGAGE : CHECK INCABIN
Information not available
Lufthansa LH 510
21:40
Tue, 2 Sep 25
Terminal T1
Frankfurt, Germany
13 h 45 m
06:25
Wed, 3 Sep 25
Terminal IA
Buenos Aires, Argentina
BAGGAGE : CHECK INCABIN
Information not available
Economy saver
Fare offered by airlines.
₹ 15,165
₹ 1,51,992
Economy base
Fare offered by airlines.
₹ 15,165
₹ 1,56,650
Flex
Fare offered by airlines.
₹ 1,61,312
Premium economy saver
Fare offered by airlines.
₹ 20,215
₹ 2,90,568
Kolkata Buenos Aires Cheap Flights | Fare | Date |
---|---|---|
Lowest Airfare Today | Rs 0 | |
Cheapest Fare Within 30 Days | Rs 107655 |
01 Sep
|
Cheapest Fare Within 90 Days | Rs 107655 |
01 Sep
|
Cheapest Fare Within 365 Days | Rs 107655 |
01 Sep
|
Get cheap flights from Kolkata to Buenos Aires with Goibibo India
Q: Why choose Goibibo for your flight booking from Kolkata to Buenos Aires?
A: Goibibo lets you search and compare flight tickets to various destinations with just a click. There is a huge inventory of airlines for you to choose from, and exciting deals and discounts so that you can book your flight tickets at reasonable prices. You can always reach out to Goibibo customer care for any help.
Q: How to get a cheap flight ticket from Kolkata to Buenos Aires?
A: At Goibibio, it’s very simple to find cheap flights. • After entering the source and destination on the home page, you will get a list of flights. Click on the ‘Cheapest’ filter below to see the cheapest flights first. • You can also grab a cheap flight booking by setting up an alert for Kolkata to Buenos Aires flights. Goibibo will let you know whenever there is a price drop for your flight. What’s the best time to book a flight from Kolkata to Buenos Aires? • For a cheap domestic flight, try booking 3-4 weeks in advance. • For an international flight, you must book at least 7-8 weeks ahead for a better price. • You can also check the calendar view while booking to compare the prices for various dates. • Set up a price alert to get notified about the best prices for your flight from Kolkata to Buenos Aires.
Q: What should you keep in mind while booking a flight from Kolkata to Buenos Aires?
A: At Goibibo, you can compare flights from all major airlines at one go. Always keep an eye out for the best offers on your Kolkata to Buenos Aires flight. Plus, there are no hidden charges when you book a Kolkata to Buenos Aires flight on Goibibo.
Q: Is there any discount on a flight booking from Kolkata to Buenos Aires?
A: Goibibo always has discount offers running on flights. You can find many coupons on the website and app for your Kolkata to Buenos Aires booking. While booking, you can choose the best coupon from the list for an instant discount on your tickets.
Kolkata to Buenos Aires Flights
Searching for Kolkata to Buenos Aires cheap flights? Then, Goibibo is your one-stop destination to book Kolkata to Buenos Aires flight in a hassle-free manner. It is one such platform that brings forth all the options for you at one place and lets you book the most suitable flight with the best deals and offers.
There is no dearth of options when it comes to Kolkata to Buenos Aires Flight booking. Several budget and premium airlines fly on this route. You can easily check the Kolkata to Buenos Aires flight schedule on Goibibo. There are approximately 66 flights flying daily between Kolkata and Buenos Aires from early morning to late at night. Out of these Kolkata to Buenos Aires flight, 0 are non stop flights 66 are connecting flights. Aerolineas Argentinas, Air France, Air India, British Airways, Emirates, Ethiopian Airlines, Gol Air, KLM Royal Dutch, LATAM Airlines, Lufthansa, Qatar Airways, Swiss are some major airlines that fly between Kolkata and Buenos Aires.
The lowest airfare of Kolkata to Buenos Aires flight is ₹111692 and the average airfare is 165039 depending on the airline, timings and availability. So, it is advisable to book domestic flights 2-3 weeks well in advance to avail minimum airfare. You can also book Kolkata to Buenos Aires cheap flights if you are flexible with your dates and timings.
You will board your Kolkata to Buenos Aires flight from the Netaji Subhash Chandra Bose International Airport and deboard it at .
You cannot only book Kolkata to Buenos Aires cheap flight tickets through Goibibo but can also do web check-in and track your flight status.
How to book a Kolkata to Buenos Aires flight ticket on Goibibo?
Booking flight tickets on Goibibo is very simple. For a Kolkata to Buenos Aires flight, check below:
How can I check the flight schedule for a Kolkata to Buenos Aires flight?
To check the Kolkata to Buenos Aires flight schedule,
How much baggage can I carry on my Kolkata to Buenos Aires flight?
Baggage allowance depends on the class of travel and airline. In the Kolkata to Buenos Aires Air India flight, 25 kg of checked baggage is allowed, while 8 kg of hand luggage is permitted. On the other hand, in all domestic IndiGo flights, a passenger can carry 7 kg of hand luggage and 15 kg of checked baggage.
Where will I board my flight at Kolkata and deboard at Buenos Aires?
When you have booked a Kolkata to Buenos Aires flight, you will board the flight at and de-board at .
How can I do web check-in for my upcoming Kolkata at Buenos Aires flight?
To avail the web check-in service and avoid queues at airports, you have to visit the official airline websites. Commonly, you have to fill the cities of departure and arrival, PNR number and last name to select your preferred seats and meals.
About Buenos Aires
About Kolkata
Set on the banks of the Hooghly River, the City of Joy, Kolkata is one amongst India’s significant metropolitan cities. Immersed in authentic Bengali culture and rich colonial history of the country, the city holds a distinctive splendor. The city balances its glorious past and modern day urbanization flawlessly. Against the backdrop of the calm river, the city showcases beautiful sunrise and sunset views that are worth experiencing. Kolkata has been home to revered artists and revolutionaries whose brilliant works are explicitly highlighted in the various art galleries.
Best Time to Visit
The months between October-March are ideal to visit the city, as the climate remains pleasant allowing travelers to explore the city comfortably. Search and book best Kolkata hotels at cheap price from Goibibo.
Places to Visit
Howrah Bridge is one of the largest and busiest bridges of the world and is a star attraction of the city. Victoria Memorial, Fort William Kolkata and Birla Planetarium are some of the famous historical sites that portray excellent architecture of ancient times and also give deep insights about the vast history. The Indian Museum, Marble Palace Mansion, Birla Temple and Prinsep Ghat are some of the other important tourist spots of the city. From local markets to malls, the city has plenty of shopping destinations that will offer you a good shopping experience. New Market, Gariahat Market and Bara Bazaar are some of the famous markets while South City Mall and Quest Mall are popular malls.
Hotels and Restaurants
The authentic Bengali cuisine of the city is a must-try. Some of the local delicacies that you must savour are Fish Curry, Alu Dum and Luchi, Puchka and Kathi Rolls. For all the dessert lovers, the city offers some amazing sweets like Rasgullas, Mishti Doi and Sondesh.
Kolkata offers all kind of accommodation options for stay. Right from Budget Hotels in Kolkata to Luxury Hotels in Kolkata/ Resorts in Kolkata, from 5 star Kolkata hotels to service apartments, one can find multiple options as per their need and pocket. Goibibo being the leading travel website has largest collection of hotels on its platform. One can easily find various collection of hotels as well on Goibibo, like couple friendly hotels in Kolkata to hotels preferred by Business travellers in Kolkata, similarly hotels preferred by students and also the ones preferred by women. Popular locations in Kolkata for stay are near Kolkata Airport, Salt Lake, Rajarhat, Park Street and New Town. It is very easy and convenient to compare and book hotels online on Goibibo.
Transportation
The city has a well-planned and systematic transportation network that makes intercity and intracity travel convenient. Located in Dum Dum, 17 km away from the main city, Netaji Subhas Chandra Bose International Airport (CCU) caters to domestic flights as well as international flights. The airport serves as a major hub for flights to international locations such as Bhutan, Bangladesh and China. Airlines such as Asia, Air India, Indigo and GoAir fly maximum number of regular domestic routes. Cheap flight tickets from here to other popular cities can be booked online on Goibibo. Also, flight status & other details related to flight booking & air tickets can be easily accessed on it. So for cheapest air tickets, it is recommended to book flights online. The city has four railway stations in and around Howrah, Sealdah, Chitpur and Shalimar. The state run Kolkata buses connect the city with the neighboring cities of Siliguri, Digha and Bakkhali.
Within the city, public transport includes metro services, trams, local trains, private cabs and auto rickshaws.
Airport Address
Netaji Subhash Chandra Bose,International Airport, Dum Dum, Kolkata - 700 052. ENQUIRIES PHONE NUMBER: +91 33 2511 8787,FLIGHT INFORMATION NO : +91 33 2511 8787,AIRPORT MANAGER (INT) : +91 33 2511 9172,AIRPORT MANAGER (DOM) : +91 33 2511 8318
Frequently Asked Questions - Kolkata to Buenos Aires Flights
Q: Which is the last flight on Kolkata to Buenos Aires route?
A: The last flight from Kolkata to Buenos Aires route is Air India, Air France at 22:15.
Q: How many flights fly from Kolkata to Buenos Aires on the daily basis?
A: Around 66 flights are flying daily from Kolkata to Buenos Aires. Out of which 0 are direct and 66 are connecting flights on this route. Some major airlines between this route are Aerolineas Argentinas, Air France, Air India, British Airways, Emirates, Ethiopian Airlines, Gol Air, KLM Royal Dutch, LATAM Airlines, Lufthansa, Qatar Airways, Swiss.
Q: What are the name and codes for Kolkata and Buenos Aires airports?
A: The name of Kolkata airport is Netaji Subhash Chandra Bose International Airport and its code is CCU and name of Buenos Aires Airport is , its code is .
Q: Which is the cheapest flight from Kolkata to Buenos Aires in next 7 and next 30 days?
A: Cheapest flight in next 7 days on Kolkata to Buenos Aires route is at ₹107655. And in next 30 days lowest price on Kolkata to Buenos Aires route is ₹107655.
Q: Which airline has maximum number for flights between Kolkata to Buenos Aires?
A: Out of 66 daily flights between Kolkata to Buenos Aires Air India has maximum 36 flights. After that Air France has 16, British Airways has 10, Lufthansa has 9, Ethiopian Airlines has 8, Swiss has 8, KLM Royal Dutch has 7, Emirates has 6, Aerolineas Argentinas has 2, Gol Air has 2, Qatar Airways has 2, LATAM Airlines has 1 flights between Kolkata to Buenos Aires.
Q: What is today’s cheapest fare from Kolkata to Buenos Aires?
A: Today lowest airfare on Kolkata to Buenos Aires flight route is 0.
Q: When does the first flight leave from Kolkata to Buenos Aires?
A: The first flight from Kolkata to Buenos Aires is Emirates at 01:30.
Q: Which are the most preferred airlines from Kolkata to Buenos Aires ?
A: Aerolineas Argentinas, Air France, Air India, British Airways, Emirates, Ethiopian Airlines, Gol Air, KLM Royal Dutch, LATAM Airlines, Lufthansa, Qatar Airways, Swiss are the most preferred airlines on Kolkata to Buenos Aires flight route.
