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Cheap flights from San Francisco to Kolkata from ₹ 39,614

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 Saturday and return on a Sunday

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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 7 November 2025.

Tue 25/1123:35SFO - CCU
1 stop42h 45mMultiple Airlines
Thu 11/1223:00CCU - SFO
2 stops29h 00mMultiple Airlines
Deal found 5/11₹ 80,292
Tue 25/1123:35SFO - CCU
1 stop42h 45mMultiple Airlines
Fri 12/1210:30CCU - SFO
2 stops41h 30mMultiple Airlines
Deal found 5/11₹ 80,381
Tue 11/1122:50SFO - CCU
1 stop27h 40mAir India
Tue 18/1100:30CCU - SFO
1 stop25h 25mAir India
Deal found 6/11₹ 81,710
Tue 25/1123:35SFO - CCU
1 stop42h 45mMultiple Airlines
Wed 10/1216:40CCU - SFO
2 stops35h 20mMultiple Airlines
Deal found 5/11₹ 84,280
Tue 2/1222:50SFO - CCU
1 stop26h 10mMultiple Airlines
Sun 7/1220:25CCU - SFO
3 stops31h 35mMultiple Airlines
Deal found 6/11₹ 84,900
Sun 16/1119:25SFO - CCU
2 stops48h 55mSWISS
Thu 20/1121:00CCU - SFO
2 stops33h 00mSWISS
Deal found 5/11₹ 85,609
Sat 6/1210:31SFO - CCU
2 stops52h 14mAir India
Sun 21/1223:00CCU - SFO
2 stops29h 00mAir India
Deal found 5/11₹ 86,141
Thu 4/1213:10SFO - CCU
2 stops32h 30mMultiple Airlines
Thu 11/1217:30CCU - SFO
2 stops34h 30mMultiple Airlines
Deal found 5/11₹ 86,496
Sun 16/1119:25SFO - CCU
2 stops48h 55mSWISS
Sat 22/1121:00CCU - SFO
2 stops33h 00mSWISS
Deal found 5/11₹ 88,534
Tue 18/1112:00SFO - CCU
2 stops29h 20mMultiple Airlines
Tue 2/1200:05CCU - SFO
2 stops28h 15mMultiple Airlines
Deal found 5/11₹ 89,686
Sat 6/1222:56SFO - CCU
2 stops28h 24mMultiple Airlines
Sun 21/1210:30CCU - SFO
1 stop39h 25mMultiple Airlines
Deal found 5/11₹ 92,611

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 7 November 2025.

Round-trip from

₹ 79,583

One-way from

₹ 39,614

Popular in

December

Cheapest in

September

Average price

₹ 108,740

Good round-trip deal

₹ 70,885 or less

Good one-way deal

₹ 43,718 or less
SWISS
  • SWISS
  • 4/2-25/2
  • 4 total stops
  • 84h 15m total
  • San Francisco to Kolkata
Search Deals
29/11
  • 29/11
  • 2 total stops
  • 33h 15m total
  • San Francisco to Kolkata
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (₹ 2,031,521 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (₹ 601,723 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from San Francisco to Kolkata Netaji S. Chandra.
Search Deals
Price to beat on a one-way flight from San Francisco to Kolkata Netaji S. Chandra.
Search Deals

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 7 November 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

Mon 9/2

17:25-08:40

3 stops49h 45m

Kolkata Netaji S. Chandra

Mon 9/3

17:30-17:30

2 stops36h 30m

₹ 81,621

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 4/2

17:25-09:50

3 stops50h 55m

Kolkata Netaji S. Chandra

Wed 25/2

17:30-16:30

2 stops36h 30m

₹ 81,621

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 20/2

12:50-09:50

3 stops55h 30m

Kolkata Netaji S. Chandra

Wed 18/3

17:30-14:20

3 stops33h 20m

₹ 102,536

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 6/5

11:30-22:15

1 stop22h 15m

Kolkata Netaji S. Chandra

Sun 10/5

23:30-09:40

1 stop22h 40m

₹ 103,334

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 18/11

19:25-08:40

2 stops47h 45m

Kolkata Netaji S. Chandra

Fri 21/11

21:00-13:20

3 stops29h 50m

₹ 108,740

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 9/3

18:25-09:50

3 stops50h 55m

Kolkata Netaji S. Chandra

Sun 22/3

17:30-14:20

3 stops33h 20m

₹ 111,221

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 17/11

19:25-08:40

2 stops47h 45m

Kolkata Netaji S. Chandra

Thu 20/11

21:00-13:20

3 stops53h 50m

₹ 122,920

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 6/5

11:00-02:20

2 stops26h 50m

Kolkata Netaji S. Chandra

Sat 9/5

03:50-13:35

1 stop22h 15m

₹ 123,274

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 17/11

17:25-19:55

3 stops61h 00m

Kolkata Netaji S. Chandra

Fri 21/11

21:00-17:00

3 stops33h 30m

₹ 130,984

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 6/5

19:30-04:45

2 stops44h 45m

Kolkata Netaji S. Chandra

Sat 9/5

02:00-17:40

2 stops52h 10m

₹ 137,099

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 23 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 31 October 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, October is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of ₹ 57,250). Flying from San Francisco to Kolkata in December is currently the most expensive (average of ₹ 102,891). 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 7 November 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 7 November 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
1,393 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.3

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
1,393 reviews
Singapore Airlines
8.1
Very Good
1,393 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.3

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
2,941 reviews
Singapore Airlines
8.1
Very Good
1,393 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.3

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 15m 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 17 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 and Singapore Airlines can get you from San Francisco to Kolkata in just under 22h 15m. Your travel time can differ by up to 27h 30m. 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 ₹ 70,839, 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 ₹ 80,749. 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 ₹ 38,896. While the most popular route (San Francisco - Kolkata Netaji S. Chandra) can be booked for ₹ 61,681 on average, our data indicates ₹ 74,375 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, October is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of ₹ 57,250). Flying from San Francisco to Kolkata in December is currently the most expensive (average of ₹ 102,891). 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 70,839Average₹ 74,356FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest₹ 80,749Average₹ 101,223FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

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How does Cheapflights help users find flights from San Francisco to Kolkata?

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Can Cheapflights find flights from San Francisco to Kolkata with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Kolkata flexibly with Cheapflights today.

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