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Cheap flights from San Francisco to Kolkata from ₹ 30,604

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
18 Apr — 25 Apr1
1 adult

Cheapflights Tip: The best prices from San Francisco to Kolkata Netaji S. Chandra are usually found in September or April, booked 76 days in advance, depart on a Monday or Tuesday 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 13 April 2025.

Round-trip from

₹ 74,188

One-way from

₹ 30,604

Popular in

December

Cheapest in

September

Average price

₹ 87,169
Singapore Airlines
  • Singapore Airlines
  • 9/9-23/9
  • 3 total stops
  • 50h 25m total
  • San Francisco to Kolkata
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Air India
  • Air India
  • 22/9
  • 1 total stop
  • 21h 15m total
  • San Francisco to Kolkata
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (₹ 1,493,287 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (₹ 501,369 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 13 April 2025.

Tue 9/906:00SFO - CCU
2 stops27h 45mSingapore Airlines
Tue 23/923:30CCU - SFO
1 stop22h 40mSingapore Airlines
Deal found 13/4₹ 74,188
Mon 25/810:00SFO - CCU
2 stops32h 30mAir India
Mon 15/918:45CCU - SFO
1 stop36h 05mAir India
Deal found 13/4₹ 75,392
Mon 25/810:47SFO - CCU
2 stops29h 28mAmerican Airlines
Mon 15/916:20CCU - SFO
2 stops32h 18mAmerican Airlines
Deal found 13/4₹ 82,699
Thu 1/510:00SFO - CCU
1 stop21h 15mMultiple Airlines
Sat 24/500:30CCU - SFO
2 stops49h 00mMultiple Airlines
Deal found 12/4₹ 86,739
Sat 11/1022:30SFO - CCU
2 stops33h 20mEtihad Airways
Thu 30/1003:50CCU - SFO
2 stops33h 14mEtihad Airways
Deal found 11/4₹ 90,865
Thu 1/518:45SFO - CCU
2 stops27h 30mIndiGo
Sat 24/502:00CCU - SFO
2 stops27h 10mIndiGo
Deal found 12/4₹ 97,141
Fri 12/919:55SFO - CCU
3 stops48h 05mSWISS
Sun 5/1017:30CCU - SFO
3 stops32h 40mSWISS
Deal found 12/4₹ 108,145
Fri 2/515:55SFO - CCU
1 stop21h 55mQatar Airways
Sun 11/503:50CCU - SFO
1 stop22h 15mQatar Airways
Deal found 12/4₹ 112,529

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 13 April 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

Tue 9/9

06:00-22:15

2 stops27h 45m

Kolkata Netaji S. Chandra

Tue 23/9

23:30-09:40

1 stop22h 40m

₹ 74,188

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 25/8

10:00-07:00

2 stops32h 30m

Kolkata Netaji S. Chandra

Mon 15/9

18:45-18:20

1 stop36h 05m

₹ 75,392

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 25/8

10:47-04:45

2 stops29h 28m

Kolkata Netaji S. Chandra

Mon 15/9

16:20-12:08

2 stops32h 18m

₹ 82,699

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 1/5

10:00-19:45

1 stop21h 15m

Kolkata Netaji S. Chandra

Sat 24/5

00:30-13:00

2 stops49h 00m

₹ 86,739

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 1/5

18:45-10:45

2 stops27h 30m

Kolkata Netaji S. Chandra

Sat 24/5

02:00-16:40

2 stops27h 10m

₹ 97,141

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 10/10

06:00-02:50

2 stops32h 20m

Kolkata Netaji S. Chandra

Thu 30/10

03:50-22:45

2 stops31h 25m

₹ 98,774

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 12/9

19:55-08:30

3 stops48h 05m

Kolkata Netaji S. Chandra

Sun 5/10

17:30-13:40

3 stops32h 40m

₹ 108,145

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 2/5

15:55-02:20

1 stop21h 55m

Kolkata Netaji S. Chandra

Sun 11/5

03:50-13:35

1 stop22h 15m

₹ 112,529

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 20/5

16:20-15:30

2 stops34h 40m

Kolkata Netaji S. Chandra

Sun 1/6

19:30-13:50

2 stops30h 50m

₹ 121,727

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 20/5

13:45-09:00

2 stops30h 45m

Kolkata Netaji S. Chandra

Thu 29/5

21:20-12:40

2 stops27h 50m

₹ 121,813

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 20 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 11 April 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 13 April 2025.

It’s optimal to fly from San Francisco to Kolkata in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight at midday.

Rainfall in Kolkata by month

Plan your trip to Kolkata by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kolkata ranges from 7.0 - 356.0 inches per month. August is typically the wettest month, when rainfall can reach 356.0 mm. December is typically the driest time to visit Kolkata when rainfall is around 7.0 mm.

Temperature in Kolkata by month

Plan your trip to Kolkata by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 31.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

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 13 April 2025.
Peruse reviews from past customers who have flown with Japan Airlines, Singapore Airlines and Emirates from San Francisco to Kolkata to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very Good
1,440 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Singapore Airlines
8.1
Very Good
1,288 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very Good
3,197 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
KLM
7.8
Good
1,323 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
SWISS
7.5
Good
1,575 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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

    Currently priced at ₹ 74,188, 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. Search Cheapflights for deals from Air India and American Airlines - these airlines can fly you to your destination from ₹ 75,392 and ₹ 82,699, respectively. Singapore Airlines is 30% 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?

    ₹ 30,604 is the cheapest one-way deal found within the past few days, from Air India. You may also be able to find cheap deals on IndiGo and Singapore Airlines, with prices starting from ₹ 52,525 and ₹ 73,758, respectively.

  • 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 13 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 61,942Average₹ 91,681FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

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