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$366+ Cheap flights from San Francisco (SFO) to Kolkata (CCU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Kolkata Netaji S. Chandra are usually found in September or August, booked 76 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from San Francisco to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$877
(FlightHub)

One-way from

$366
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,410

Good round-trip deal

$1,094 or less

Good one-way deal

$604 or less
From San Francisco to Kolkata Netaji S. Chandra
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One-way flight from San Francisco to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 16% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Francisco to Kolkata Netaji S. Chandra.
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Price to beat on a one-way flight from San Francisco to Kolkata Netaji S. Chandra.
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Find flight deals from San Francisco to Kolkata

Cheapest flights from San Francisco to Kolkata
Explore the most affordable flight options available from San Francisco to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:30 pmSFO - CCU
1 stop31h 50mAir India
Tue 10/143:15 pmCCU - SFO
2 stops28h 15mAir India
Deal found 7/30$877
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:00 amSFO - CCU
1 stop29h 45mMultiple Airlines
Sat 9/1312:30 amCCU - SFO
2 stops49h 00mMultiple Airlines
Deal found 7/30$892
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:40 amSFO - CCU
1 stop23h 15mSingapore Airlines
Sun 12/711:40 pmCCU - SFO
1 stop21h 40mSingapore Airlines
Deal found 7/30$906
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:14 amSFO - CCU
2 stops30h 01mAmerican Airlines
Mon 9/86:00 pmCCU - SFO
2 stops42h 29mAmerican Airlines
Deal found 7/30$949
This Booking.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:45 pmSFO - CCU
2 stops35h 30mIndiGo
Mon 8/2510:15 pmCCU - SFO
2 stops30h 55mIndiGo
Deal found 7/31$960

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from San Francisco to Kolkata that are best for you.

Fly from

San Francisco

Fly to

Kolkata

Route

Depart

Return

Price

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 9/21

8:30 pm-4:50 pm

1 stop31h 50m

Kolkata Netaji S. Chandra

Tue 10/14

3:15 pm-7:00 am

2 stops28h 15m

$877

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 8/19

10:00 am-4:15 am

1 stop29h 45m

Kolkata Netaji S. Chandra

Sat 9/13

12:30 am-1:00 pm

2 stops49h 00m

$892

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 8/7

10:14 am-4:45 am

2 stops30h 01m

Kolkata Netaji S. Chandra

Mon 9/8

6:00 pm-11:59 pm

2 stops42h 29m

$949

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 10/29

10:40 am-10:25 pm

1 stop23h 15m

Kolkata Netaji S. Chandra

Thu 11/13

11:40 pm-7:50 am

1 stop21h 40m

$954

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 8/9

6:45 pm-6:45 pm

2 stops35h 30m

Kolkata Netaji S. Chandra

Mon 8/25

10:15 pm-4:40 pm

2 stops30h 55m

$960

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 8/19

10:00 am-11:30 pm

1 stop25h 00m

$366

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 8/28

10:00 am-11:30 pm

1 stop25h 00m

$388

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 8/9

10:46 pm-4:45 am

2 stops41h 29m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from San Francisco to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Kolkata

How far ahead should I book a flight from San Francisco to Kolkata?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Kolkata. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Kolkata, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to Kolkata?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of $965). Flying from San Francisco to Kolkata in December is currently the most expensive (average of $1,647). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to CCU?

Find hourly flight availability from San Francisco to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Kolkata in the morning. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from San Francisco to Kolkata?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Kolkata. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their San Francisco to Kolkata flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from San Francisco to Kolkata?

Share of 1-stop round-trip flights from San Francisco to Kolkata chosen by Cheapflights users in the past 12 months, using the same layover each way.

New Delhi (DEL) – chosen by Cheapflights users on 83% of 1-stop itineraries from San Francisco to Kolkata on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to Kolkata?

Average round-trip fare for 1-stop flights from San Francisco to Kolkata, chosen by Cheapflights users in the past 12 months, with the same layover each way.

New Delhi (DEL) is the most affordable 1-stop option, with an average round-trip price of $894.

What’s the fastest layover option from San Francisco to Kolkata?

Shortest average travel time for 1-stop one-way flights from San Francisco to Kolkata, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 21h 40m.

Which airport typically offers the quickest layover for flights from San Francisco to Kolkata?

Average layover duration for 1-stop one-way flights from San Francisco to Kolkata, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 1h 05m.

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kolkata. Reviews last updated July 31, 2025.
See what other customers who have flown with Singapore Airlines, American Airlines, and IndiGo from San Francisco to Kolkata have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,338 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
American Airlines
7.2
Good
10,000 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
IndiGo
6.8
Okay
478 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air India
5.5
Fair
2,928 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this San Francisco to Kolkata flight route?

    Flights from San Francisco to Kolkata Netaji S. Chandra have been viewed 9 times in the past calendar month.

  • What are the cheapest airlines flying from San Francisco to Kolkata round-trip?

    Currently priced at $877, Air India will fly you from San Francisco to Kolkata and back. In addition to Air India, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Singapore Airlines - these airlines can fly you to your destination from $949 and $954, respectively. Air India is currently priced 25% below the average price you’ll pay for this route.

  • What are the cheapest flights from San Francisco to Kolkata?

    While on average a flight from San Francisco to Kolkata is generally $2,165, our data shows the cheapest flight currently is $489. When looking at the most popular route, (San Francisco - Kolkata Netaji S. Chandra), you can expect to pay $703 for that flight.

  • Where are the most common layover locations when flying from San Francisco to Kolkata?

    Of the flights from San Francisco to Kolkata that have layovers, most of them stop in Singapore. Singapore is followed by New Delhi in terms of the most popular layover location on flights from San Francisco to Kolkata.

  • What are some popular things to do or see while on a layover in Singapore?

    Sentosa, Universal Studios Singapore, and Geylang Serai New Market are the most popular attractions in Singapore if you're in need of something to do during your layover. Sentosa, Universal Studios Singapore and Geylang Serai New Market are located about 13.4 mi, 13.4 mi, and 6.9 mi, respectively from Singapore Changi if you are interested in checking them out. Travelers in need of a car in Singapore can rent one for about $92 per day.

  • What are some popular points of interest to see during a layover in New Delhi?

    Most New Delhi visitors opt to spend their time at Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib. Those on a layover in New Delhi interested in visiting Karol Bagh, Lajpat Nagar Central Market, or Gurudwara Bangla Sahib can do so by traveling 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl. Those looking to explore during their layover in New Delhi can rent a car from New Delhi Indira Gandhi Intl for about $100 per day.

  • Where are the least popular layover locations for San Francisco to Kolkata flights?

    Of the flights from San Francisco to Kolkata that have layovers, the fewest flights stop in Mumbai. Doha follows Mumbai in terms of the least common layover location on San Francisco to Kolkata flights.

  • Can I find deals for flights from San Francisco to Kolkata that include hotel bookings?

    Yes. In addition to deals on San Francisco to Kolkata flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Kolkata.

  • Can I find deals for business class flights from San Francisco to Kolkata?

    Yes. Cheapflights offers flight deals from San Francisco to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of $965). Flying from San Francisco to Kolkata in December is currently the most expensive (average of $1,647). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from San Francisco to Kolkata

Discover the top 6 airlines that operate flights from San Francisco to Kolkata. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$709Average$1,081FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$783Average$1,248FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$821Average$1,040FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$972Average$1,452FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$1,170Average$1,574FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,265Average$1,589FlexibilityNo cancel feeOn-time75%

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