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Cheap flights from San Francisco to Kolkata from ₹ 39,826

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
31 Mar — 7 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 26 March 2025.

Round-trip from

₹ 74,599

One-way from

₹ 39,826

Popular in

December

Cheapest in

September

Average price

₹ 96,440
Singapore Airlines
  • Singapore Airlines
  • 1/9-10/11
  • 3 total stops
  • 49h 43m total
  • San Francisco to Kolkata
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7/5
  • 7/5
  • 2 total stops
  • 38h 25m total
  • San Francisco to Kolkata
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (₹ 1,230,438 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 458,454 potential savings vs. average return price).
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Average for round-trip flights in March 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 26 March 2025.

Mon 1/911:30SFO - CCU
1 stop22h 15mSingapore Airlines
Mon 10/1123:40CCU - SFO
2 stops27h 28mSingapore Airlines
Deal found 25/3₹ 74,599
Tue 15/410:00SFO - CCU
1 stop29h 45mAir India
Sat 31/515:40CCU - SFO
1 stop38h 20mAir India
Deal found 26/3₹ 74,942
Sun 7/910:42SFO - CCU
2 stops29h 33mAmerican Airlines
Tue 3/218:00CCU - SFO
2 stops32h 03mAmerican Airlines
Deal found 25/3₹ 82,136
Wed 2/420:30SFO - CCU
1 stop29h 30mMultiple Airlines
Mon 7/421:20CCU - SFO
2 stops31h 54mMultiple Airlines
Deal found 25/3₹ 85,819
Sun 17/814:00SFO - CCU
2 stops30h 30mLufthansa
Mon 15/921:20CCU - SFO
2 stops34h 10mLufthansa
Deal found 25/3₹ 95,412
Tue 25/314:10SFO - CCU
2 stops36h 30mIndiGo
Tue 1/402:00CCU - SFO
2 stops27h 10mIndiGo
Deal found 25/3₹ 99,609

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 26 March 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 1/9

11:30-22:15

1 stop22h 15m

Kolkata Netaji S. Chandra

Mon 10/11

23:40-13:38

2 stops27h 28m

₹ 74,599

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 21/8

10:00-19:45

1 stop21h 15m

Kolkata Netaji S. Chandra

Fri 19/9

12:40-07:00

1 stop30h 50m

₹ 75,456

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 7/9

10:42-04:45

2 stops29h 33m

Kolkata Netaji S. Chandra

Tue 3/2

18:00-12:33

2 stops32h 03m

₹ 82,136

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 1/9

18:45-18:45

2 stops35h 30m

Kolkata Netaji S. Chandra

Sun 9/11

04:55-06:00

1 stop38h 35m

₹ 84,535

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 17/8

14:00-09:00

2 stops30h 30m

Kolkata Netaji S. Chandra

Wed 17/9

21:20-19:00

2 stops34h 10m

₹ 95,412

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 30/4

06:00-02:50

2 stops32h 20m

Kolkata Netaji S. Chandra

Tue 20/5

03:45-19:34

2 stops28h 19m

₹ 96,525

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 8/5

18:45-18:45

2 stops35h 30m

Kolkata Netaji S. Chandra

Thu 15/5

19:30-16:40

2 stops33h 40m

₹ 99,523

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 6/4

19:30-08:30

2 stops48h 30m

Kolkata Netaji S. Chandra

Mon 14/4

17:30-16:10

2 stops35h 10m

₹ 110,400

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 30/4

15:55-02:20

1 stop21h 55m

Kolkata Netaji S. Chandra

Tue 20/5

03:50-13:35

1 stop22h 15m

₹ 110,828

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 16/8

13:45-09:20

2 stops31h 05m

Kolkata Netaji S. Chandra

Wed 18/2

21:45-11:50

2 stops27h 35m

₹ 112,798

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 14 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 21 March 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 26 March 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 26 March 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, KLM and SWISS 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.
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.7

Comfort

7.9

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
1,284 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.7

Comfort

7.9

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.
KLM
7.8
Good
1,319 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.7

Comfort

7.9

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
1,569 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.7

Comfort

7.9

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.
Qatar Airways
7.4
Good
3,539 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.7

Comfort

7.9

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.
Etihad Airways
7.4
Good
1,178 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.7

Comfort

7.9

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

    Currently priced at ₹ 74,599, 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 ₹ 75,456 and ₹ 82,136, 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?

    ₹ 42,396 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 Lufthansa, with prices starting from ₹ 54,130 and ₹ 126,502, 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 61,713Average₹ 92,727FlexibilityNo cancel feeOn-timeN/A
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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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