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$374+ Cheap flights from San Francisco (SFO) to Kolkata (CCU)

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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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 Tuesday or Thursday and return on a Tuesday

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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$886
(Indian Eagle)

One-way from

$384
(Indian Eagle)

Popular in

December

Cheapest in

September

Average price

$1,010

Good round-trip deal

$6,389 or less
Provider with most accurate pricing for San Francisco-Kolkata Netaji S. Chandra flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Kolkata Netaji S. Chandra flights.
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From San Francisco to Kolkata Netaji S. Chandra
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One-way flight from San Francisco to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 14% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in April 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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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 April 22, 2025.

This Gurufare deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:40 amSFO - CCU
1 stop23h 15mSingapore Airlines
Tue 12/2311:40 pmCCU - SFO
1 stop21h 40mSingapore Airlines
Deal found 4/22$874
This Indian Eagle deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/219:00 pmSFO - CCU
1 stop36h 20mAir India
Fri 9/1910:15 pmCCU - SFO
1 stop32h 15mAir India
Deal found 4/20$886
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:00 amSFO - CCU
1 stop21h 15mMultiple Airlines
Sat 5/2412:45 amCCU - SFO
2 stops48h 45mMultiple Airlines
Deal found 4/21$938
This oojo deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:35 pmSFO - CCU
2 stops32h 50mEtihad Airways
Tue 11/113:20 amCCU - SFO
2 stops34h 04mEtihad Airways
Deal found 4/21$1,005
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:40 amSFO - CCU
2 stops29h 35mAmerican Airlines
Sun 5/256:00 pmCCU - SFO
2 stops30h 18mAmerican Airlines
Deal found 4/21$1,060
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:45 pmSFO - CCU
2 stops37h 00mIndiGo
Sun 9/142:00 amCCU - SFO
2 stops27h 10mIndiGo
Deal found 4/22$1,083
This Indian Eagle deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:45 pmSFO - CCU
1 stop21h 30mQatar Airways
Sat 12/203:20 amCCU - SFO
1 stop22h 35mQatar Airways
Deal found 4/22$1,280

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 22, 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

Fri 8/1

11:30 am-10:15 pm

1 stop22h 15m

Kolkata Netaji S. Chandra

Sat 8/30

11:30 pm-9:40 am

1 stop22h 40m

$884

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 7/21

9:00 pm-9:50 pm

1 stop36h 20m

Kolkata Netaji S. Chandra

Fri 9/19

10:15 pm-6:00 pm

1 stop32h 15m

$886

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 8/25

10:47 am-4:45 am

2 stops29h 28m

Kolkata Netaji S. Chandra

Mon 9/15

6:00 pm-12:40 pm

2 stops31h 10m

$960

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 9/5

6:45 pm-5:50 pm

2 stops34h 35m

Kolkata Netaji S. Chandra

Sun 9/14

7:30 pm-4:40 pm

2 stops33h 40m

$1,048

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 5/6

6:00 am-8:20 pm

2 stops25h 50m

Kolkata Netaji S. Chandra

Tue 5/13

3:45 am-11:50 pm

2 stops32h 35m

$1,056

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 5/2

7:21 am-4:45 am

2 stops32h 54m

Kolkata Netaji S. Chandra

Sat 5/10

6:00 pm-11:48 am

2 stops30h 18m

$1,160

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 5/6

3:55 pm-2:20 am

1 stop21h 55m

Kolkata Netaji S. Chandra

Tue 5/13

3:50 am-1:35 pm

1 stop22h 15m

$1,280

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 7/21

7:30 pm-9:00 am

2 stops49h 00m

Kolkata Netaji S. Chandra

Fri 9/19

5:30 pm-1:40 pm

3 stops32h 40m

$1,338

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 7/29

11:30 am-10:15 pm

1 stop22h 15m

$374

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 4/29

10:00 am-8:30 pm

1 stop22h 00m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Francisco to Kolkata

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Kolkata in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Kolkata flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Kolkata flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Kolkata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Kolkata flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Kolkata flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from San Francisco to Kolkata. Price data was last updated on April 18, 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Kolkata, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $989). Flying from San Francisco to Kolkata in December is currently the most expensive (average of $1,647). 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 April 22, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Kolkata in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from San Francisco to Kolkata?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Kolkata. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their San Francisco to Kolkata flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 0.3 - 14.0 inches per month. August is typically the wettest month, when rainfall can reach 14.0 in. December is typically the driest time to visit Kolkata when rainfall is around 0.3 in.

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 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 April 22, 2025.
See what other customers who have flown with Singapore Airlines, KLM and SWISS from San Francisco to Kolkata have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
1,331 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
1,582 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
3,560 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
1,202 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

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 $886, 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 Etihad Airways - these airlines can fly you to your destination from $971 and $1,056, respectively. Air India is currently priced 28% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from San Francisco to Kolkata are Air India ($384), Singapore Airlines ($473), and American Airlines ($533).

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

    While on average a flight from San Francisco to Kolkata is generally $7,386, our data shows the cheapest flight currently is $5,190. When looking at the most popular route, (San Francisco - Kolkata Netaji S. Chandra), you can expect to pay $710 for that flight.

  • Where are the most common layover locations when flying from San Francisco to Kolkata?

    Of the flights from San Francisco to Kolkata that have layovers, most of them stop in Singapore. Singapore is followed by New Delhi in terms of the most popular layover location on flights from San Francisco to Kolkata.

  • What are some popular things to do or see while on a layover in Singapore?

    Sentosa, Universal Studios Singapore, and Geylang Serai New Market are the most popular attractions in Singapore if you're in need of something to do during your layover. Sentosa, Universal Studios Singapore and Geylang Serai New Market are located about 13.4 mi, 13.4 mi, and 6.9 mi, respectively from Singapore Changi if you are interested in checking them out. Travelers in need of a car in Singapore can rent one for about $91 per day.

  • What are some popular points of interest to see during a layover in New Delhi?

    Most New Delhi visitors opt to spend their time at Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib. Those on a layover in New Delhi interested in visiting Karol Bagh, Lajpat Nagar Central Market, or Gurudwara Bangla Sahib can do so by traveling 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl. Those looking to explore during their layover in New Delhi can rent a car from New Delhi Indira Gandhi Intl for about $74 per day.

  • Where are the least popular layover locations for San Francisco to Kolkata flights?

    Of the flights from San Francisco to Kolkata that have layovers, the fewest flights stop in Mumbai. Doha follows Mumbai in terms of the least common layover location on San Francisco to Kolkata flights.

  • 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 vacation 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 $989). Flying from San Francisco to Kolkata in December is currently the most expensive (average of $1,647). 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

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Top 8 airlines flying from San Francisco to Kolkata

Discover the top 8 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 2,558,603 searches. Data last updated April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$720Average$1,132FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$779Average$1,273FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$821Average$1,384FlexibilityNo cancel feeOn-time76%
SWISSCheapest$846Average$1,211FlexibilityNo cancel feeOn-time79%
Qatar AirwaysCheapest$978Average$1,422FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$1,183Average$1,619FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,265Average$1,742FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$1,534Average$1,949FlexibilityNo cancel feeOn-time70%

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