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Cheap flights from San Francisco to Kolkata from ₹ 38,341

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
21 Aug — 28 Aug1
1 adult

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 Friday and return on a Sunday

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 16 August 2025.

Round-trip from

₹ 72,831

One-way from

₹ 38,341

Popular in

December

Cheapest in

September

Average price

₹ 81,059

Good round-trip deal

₹ 94,991 or less

Good one-way deal

₹ 44,604 or less
American Airlines
  • American Airlines
  • 18/1-28/1
  • 4 total stops
  • 93h 38m total
  • San Francisco to Kolkata
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Air India
  • Air India
  • 21/8
  • 1 total stop
  • 35h 05m total
  • San Francisco to Kolkata
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Highest demand for flights based on searches. 17% potential increase in price (₹ 1,851,750 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (₹ 536,178 potential savings vs. average return price).
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Average for round-trip flights in August 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 16 August 2025.

Wed 3/910:00SFO - CCU
1 stop22h 00mAir India
Tue 16/900:55CCU - SFO
1 stop42h 35mAir India
Deal found 15/8₹ 72,831
Fri 12/919:55SFO - CCU
3 stops49h 05mSWISS
Tue 23/917:30CCU - SFO
2 stops35h 10mSWISS
Deal found 15/8₹ 73,006
Sat 13/921:00SFO - CCU
2 stops33h 45mAir India
Sat 18/1015:15CCU - SFO
1 stop38h 45mAir India
Deal found 15/8₹ 73,094
Fri 5/910:00SFO - CCU
1 stop22h 00mAir India
Wed 17/921:20CCU - SFO
1 stop22h 10mAir India
Deal found 14/8₹ 73,181
Mon 25/815:05SFO - CCU
2 stops49h 10mAmerican Airlines
Mon 8/918:00CCU - SFO
2 stops42h 29mAmerican Airlines
Deal found 15/8₹ 73,444
Mon 17/1121:00SFO - CCU
1 stop23h 40mAir India
Tue 2/1222:50CCU - SFO
1 stop31h 40mAir India
Deal found 14/8₹ 73,531
Wed 1/1006:15SFO - CCU
2 stops46h 05mAir India
Thu 16/1007:50CCU - SFO
1 stop22h 10mAir India
Deal found 13/8₹ 73,706
Fri 12/910:00SFO - CCU
1 stop25h 00mAir India
Thu 25/907:50CCU - SFO
1 stop22h 10mAir India
Deal found 15/8₹ 73,881
Sat 13/910:00SFO - CCU
1 stop22h 00mAir India
Tue 23/921:20CCU - SFO
1 stop22h 10mAir India
Deal found 15/8₹ 73,969
Thu 4/922:17SFO - CCU
2 stops32h 28mMultiple Airlines
Thu 18/922:15CCU - SFO
1 stop32h 15mMultiple Airlines
Deal found 14/8₹ 74,057
Sun 17/800:05SFO - CCU
2 stops40h 10mMultiple Airlines
Wed 27/805:30CCU - SFO
2 stops48h 50mMultiple Airlines
Deal found 15/8₹ 74,232
Wed 8/1020:40SFO - CCU
2 stops34h 05mAir India
Wed 22/1015:15CCU - SFO
1 stop38h 45mAir India
Deal found 13/8₹ 74,319

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 16 August 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

Sat 13/9

21:00-19:15

2 stops33h 45m

Kolkata Netaji S. Chandra

Sat 18/10

15:15-17:30

1 stop38h 45m

₹ 73,094

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 25/8

15:05-04:45

2 stops49h 10m

Kolkata Netaji S. Chandra

Mon 8/9

18:00-23:59

2 stops42h 29m

₹ 73,444

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 8/10

10:00-18:05

1 stop43h 35m

Kolkata Netaji S. Chandra

Wed 22/10

07:50-17:30

1 stop22h 10m

₹ 78,346

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 6/2

09:40-22:25

1 stop23h 15m

Kolkata Netaji S. Chandra

Fri 13/2

23:40-15:52

2 stops29h 42m

₹ 79,309

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 11/9

19:55-07:40

3 stops47h 15m

Kolkata Netaji S. Chandra

Thu 18/9

17:30-16:10

2 stops35h 10m

₹ 81,322

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 25/8

10:00-18:05

1 stop43h 35m

Kolkata Netaji S. Chandra

Mon 8/9

22:15-18:00

1 stop32h 15m

₹ 82,197

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 10/9

10:00-10:10

2 stops35h 40m

Kolkata Netaji S. Chandra

Sun 14/9

15:15-07:00

2 stops28h 15m

₹ 82,197

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 25/8

06:05-04:45

2 stops34h 10m

Kolkata Netaji S. Chandra

Sun 7/9

03:50-13:35

1 stop22h 15m

₹ 83,598

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 2/9

10:00-23:30

1 stop25h 00m

₹ 38,341

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 21/8

10:00-09:35

1 stop35h 05m

₹ 38,341

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 16 results
1
2

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 return 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 return flight from San Francisco to Kolkata. Price data was last updated on 8 August 2025.

The best time to book flights from San Francisco to Kolkata is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, July is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of ₹ 116). Flying from San Francisco to Kolkata in October is currently the most expensive (average of ₹ 161). 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 16 August 2025.

It’s optimal to fly from San Francisco to Kolkata in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from San Francisco to Kolkata

Explore weekly flight availability from San Francisco to Kolkata. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 August 2025.

The most flights from SFO to CCU are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

Share of one-stop return flights from San Francisco to Kolkata chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Singapore (SIN) – chosen by Cheapflights users on 73% of one-stop itineraries from San Francisco to Kolkata on Cheapflights.

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

Average return fare for one-stop flights from San Francisco to Kolkata, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of ₹ 72,357.

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

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

Flights via New Delhi (DEL) have the shortest average one-way travel time for one-stop routes: 21h 03m.

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

Average stopover duration for one-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 stopover time of 1h 20m.

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 16 August 2025.
Read through reviews of airlines operating flights from San Francisco to Kolkata, such as Singapore Airlines and Air India. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Overall

8.1

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

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
1,347 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Overall

8.1

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

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
2,930 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Overall

8.1

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

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.

  • What airports do I use to fly from San Francisco to Kolkata?

    Booking a flight from San Francisco (SFO) to Kolkata Netaji S. Chandra (CCU) is your only option if you wish to fly from San Francisco to Kolkata. On a typical day, there is 1 flight from San Francisco to Netaji S. Chandra, all of which are around 22h 00m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from San Francisco to Kolkata.

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

    This flight path from San Francisco to Kolkata Netaji S. Chandra was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at ₹ 63,074, 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. Check Cheapflights for deals on Singapore Airlines for as low as ₹ 69,971. Air India is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking at all options, your cheapest flight can be booked for ₹ 44,604. While the most popular route (San Francisco - Kolkata Netaji S. Chandra) can be booked for ₹ 61,189 on average our data indicates ₹ 82,355 when flying from San Francisco to Kolkata.

  • 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 holiday 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, July is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of ₹ 116). Flying from San Francisco to Kolkata in October is currently the most expensive (average of ₹ 161). 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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Alternative routes for San Francisco to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kolkata flights

Top 2 airlines flying from San Francisco to Kolkata

Discover the top 2 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 454,620 searches. Data last updated 16 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 63,074Average₹ 93,358FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest₹ 69,971Average₹ 71,453FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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