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Cheap flights from San Francisco to Kolkata from ₹ 30,054

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
6 Jul — 13 Jul1
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 Monday or Wednesday 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 1 July 2025.

Round-trip from

₹ 75,264

One-way from

₹ 30,054

Popular in

December

Cheapest in

September

Average price

₹ 120,730

Good round-trip deal

₹ 115,801 or less

Good one-way deal

₹ 56,802 or less
Air India
  • Air India
  • 24/8-31/8
  • 2 total stops
  • 56h 35m total
  • San Francisco to Kolkata
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Singapore Airlines
  • Singapore Airlines
  • 4/9
  • 1 total stop
  • 22h 15m total
  • San Francisco to Kolkata
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (₹ 1,799,228 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (₹ 518,454 potential savings vs. average return 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 1 July 2025.

Sun 24/810:00SFO - CCU
1 stop22h 00mAir India
Sun 31/819:55CCU - SFO
1 stop34h 35mAir India
Deal found 1/7₹ 75,264
Mon 17/1120:42SFO - CCU
2 stops36h 13mSingapore Airlines
Mon 8/1223:40CCU - SFO
2 stops31h 58mSingapore Airlines
Deal found 30/6₹ 75,863
Sun 31/814:00SFO - CCU
2 stops29h 10mLufthansa
Mon 8/920:30CCU - SFO
2 stops30h 30mLufthansa
Deal found 1/7₹ 77,062
Thu 4/914:20SFO - CCU
2 stops28h 50mSWISS
Mon 8/920:30CCU - SFO
2 stops32h 10mSWISS
Deal found 1/7₹ 77,918
Wed 3/914:20SFO - CCU
2 stops28h 50mMultiple Airlines
Tue 9/920:30CCU - SFO
2 stops28h 40mMultiple Airlines
Deal found 1/7₹ 78,603
Sat 8/1113:24SFO - CCU
2 stops49h 41mAmerican Airlines
Tue 25/1118:00CCU - SFO
2 stops32h 00mAmerican Airlines
Deal found 30/6₹ 83,056

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 1 July 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 24/8

10:00-20:30

1 stop22h 00m

Kolkata Netaji S. Chandra

Sun 31/8

19:55-18:00

1 stop34h 35m

₹ 75,264

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 17/11

20:42-22:25

2 stops36h 13m

Kolkata Netaji S. Chandra

Mon 8/12

23:40-18:08

2 stops31h 58m

₹ 75,863

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 31/8

14:00-07:40

2 stops29h 10m

Kolkata Netaji S. Chandra

Mon 8/9

20:30-14:30

2 stops30h 30m

₹ 77,062

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 4/9

14:20-07:40

2 stops28h 50m

Kolkata Netaji S. Chandra

Tue 9/9

20:30-16:10

2 stops32h 10m

₹ 77,918

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 3/9

14:20-07:40

2 stops28h 50m

Kolkata Netaji S. Chandra

Tue 9/9

20:30-12:40

2 stops28h 40m

₹ 78,603

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 8/11

13:24-04:35

2 stops49h 41m

Kolkata Netaji S. Chandra

Tue 25/11

18:00-12:30

2 stops32h 00m

₹ 83,056

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 4/9

11:30-22:15

1 stop22h 15m

₹ 30,054

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 29/7

10:00-23:30

1 stop25h 00m

₹ 38,874

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 29/7

06:00-04:45

2 stops34h 15m

₹ 40,072

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 28/7

10:00-20:30

1 stop22h 00m

₹ 44,097

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 12 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 27 June 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, September is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of ₹ 120). 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 1 July 2025.

It’s optimal to fly from San Francisco to Kolkata in the morning. By choosing this option you can save up to 23% 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 1 July 2025.
Read through reviews of airlines operating flights from San Francisco to Kolkata, such as Singapore Airlines, SWISS, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

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
1,320 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

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.
SWISS
7.5
Good
1,654 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

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.
Turkish Airlines
7.3
Good
3,886 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

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
1,320 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

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.
Lufthansa
6.8
Okay
7,204 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

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?

    This flight path from San Francisco to Kolkata Netaji S. Chandra was viewed by 5 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 ₹ 75,264, 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 Singapore Airlines and Lufthansa - these airlines can fly you to your destination from ₹ 75,863 and ₹ 77,062, respectively. Air India is 25% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Kolkata one-way?

    ₹ 30,054 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on American Airlines and Air India, with prices starting from ₹ 40,072 and ₹ 44,097, respectively.

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

    Looking at all options, your cheapest flight can be booked for ₹ 56,331. While the most popular route (San Francisco - Kolkata Netaji S. Chandra) can be booked for ₹ 60,708 on average our data indicates ₹ 92,474 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, September is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of ₹ 120). 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 airline flying from San Francisco to Kolkata

Discover the top airline 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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 61,696Average₹ 91,318FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

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