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Cheap flights from San Francisco to Kolkata from ₹ 30,647

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 Sunday 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 18 September 2025.

Round-trip from

₹ 73,589

One-way from

₹ 30,647

Popular in

December

Cheapest in

September

Average price

₹ 75,960

Good round-trip deal

₹ 75,374 or less

Good one-way deal

₹ 31,990 or less
Singapore Airlines
  • Singapore Airlines
  • 4/11-19/11
  • 2 total stops
  • 44h 55m total
  • San Francisco to Kolkata
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Singapore Airlines
  • Singapore Airlines
  • 25/1
  • 1 total stop
  • 23h 15m total
  • San Francisco to Kolkata
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (₹ 1,936,133 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (₹ 565,891 potential savings vs. average return price).
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Average for round-trip flights in September 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 18 September 2025.

Thu 6/1109:40SFO - CCU
1 stop23h 15mSingapore Airlines
Sun 16/1123:40CCU - SFO
1 stop21h 40mSingapore Airlines
Deal found 17/9₹ 73,589
Mon 22/910:00SFO - CCU
1 stop25h 40mAir India
Mon 29/909:55CCU - SFO
1 stop33h 35mAir India
Deal found 15/9₹ 74,028
Mon 22/910:00SFO - CCU
1 stop22h 00mAir India
Thu 2/1021:20CCU - SFO
1 stop22h 10mAir India
Deal found 15/9₹ 74,731
Sun 2/1121:59SFO - CCU
2 stops29h 21mAir India
Wed 17/1205:00CCU - SFO
1 stop25h 30mAir India
Deal found 17/9₹ 77,189
Fri 7/1109:40SFO - CCU
1 stop23h 15mSingapore Airlines
Sun 16/1123:40CCU - SFO
1 stop21h 40mSingapore Airlines
Deal found 17/9₹ 77,716
Mon 22/910:00SFO - CCU
1 stop22h 00mAir India
Sun 28/921:20CCU - SFO
1 stop22h 10mAir India
Deal found 15/9₹ 78,068
Tue 23/910:00SFO - CCU
1 stop22h 00mAir India
Tue 30/921:20CCU - SFO
1 stop22h 10mAir India
Deal found 15/9₹ 78,243
Tue 23/910:00SFO - CCU
1 stop22h 00mAir India
Thu 2/1021:20CCU - SFO
1 stop22h 10mAir India
Deal found 15/9₹ 78,946
Mon 22/910:00SFO - CCU
1 stop22h 00mAir India
Fri 3/1020:30CCU - SFO
1 stop23h 00mAir India
Deal found 15/9₹ 79,209
Wed 24/910:00SFO - CCU
1 stop22h 00mAir India
Thu 2/1020:30CCU - SFO
1 stop23h 00mAir India
Deal found 16/9₹ 79,473
Wed 5/1109:40SFO - CCU
1 stop23h 15mSingapore Airlines
Wed 19/1123:40CCU - SFO
1 stop21h 40mSingapore Airlines
Deal found 16/9₹ 79,999
Tue 4/1109:40SFO - CCU
1 stop23h 15mSingapore Airlines
Tue 25/1123:40CCU - SFO
1 stop21h 40mSingapore Airlines
Deal found 16/9₹ 80,263

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 18 September 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

Thu 22/1

17:25-09:00

3 stops50h 05m

Kolkata Netaji S. Chandra

Sat 14/2

17:30-16:30

2 stops36h 30m

₹ 81,317

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 18/11

15:40-07:10

2 stops50h 00m

Kolkata Netaji S. Chandra

Thu 27/11

18:30-11:50

2 stops30h 50m

₹ 88,957

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 16/11

15:40-08:55

2 stops51h 45m

Kolkata Netaji S. Chandra

Wed 3/12

21:30-13:25

2 stops29h 25m

₹ 88,957

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 1/10

08:45-02:20

2 stops29h 05m

Kolkata Netaji S. Chandra

Mon 13/10

03:50-13:35

1 stop22h 15m

₹ 92,733

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 4/11

15:40-08:55

2 stops51h 45m

Kolkata Netaji S. Chandra

Tue 25/11

18:30-11:50

2 stops30h 50m

₹ 93,260

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 14/1

12:50-09:00

3 stops54h 40m

Kolkata Netaji S. Chandra

Sun 18/1

21:20-16:30

2 stops32h 40m

₹ 94,313

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 25/11

13:55-08:55

2 stops29h 30m

Kolkata Netaji S. Chandra

Wed 3/12

21:30-13:25

2 stops29h 25m

₹ 98,002

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 7/11

19:10-18:05

3 stops33h 25m

Kolkata Netaji S. Chandra

Sun 16/11

23:05-13:30

3 stops27h 55m

₹ 100,460

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 6/1

17:25-09:00

3 stops50h 05m

Kolkata Netaji S. Chandra

Tue 3/2

17:30-17:00

3 stops37h 00m

₹ 104,324

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 26/11

15:40-08:55

2 stops51h 45m

Kolkata Netaji S. Chandra

Tue 2/12

18:30-11:50

2 stops30h 50m

₹ 105,641

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 22 results
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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 12 September 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 18 September 2025.

It’s optimal to fly from San Francisco to Kolkata in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight at midday.

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 18 September 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
1,367 reviews
Check prices

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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
1,367 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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
2,932 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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?

    This flight path from San Francisco to Kolkata Netaji S. Chandra was viewed by 16 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from San Francisco to Kolkata?

    SWISS, KLM, and Qatar Airways can get you from San Francisco to Kolkata in just under 29h 05m. Your travel time can differ by up to 21h. There are 12569 km between San Francisco and Kolkata. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at ₹ 70,193, Singapore Airlines will fly you from San Francisco to Kolkata and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air India for as low as ₹ 80,013. Singapore Airlines is 31% 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 ₹ 31,119. While the most popular route (San Francisco - Kolkata Netaji S. Chandra) can be booked for ₹ 61,295 on average, our data indicates ₹ 57,198 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

Browse thousands of different options on Cheapflights for your next trip

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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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 70,193Average₹ 71,680FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest₹ 80,013Average₹ 95,073FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

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