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$306+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap 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 February 14, 2026.

This Gurufare deal was found by Cheapflights users on 2/10. 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.
Mon 4/279:15 pm
SFO
-
CCU
2 stops36h 30m
Multiple Airlines
Wed 5/2011:40 pm
CCU
-
SFO
1 stop22h 00m
Multiple Airlines
Deal found 2/10$716
This Indian Eagle deal was found by Cheapflights users on 2/14. 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.
Tue 2/174:30 pm
SFO
-
CCU
2 stops34h 05m
Air India
Mon 2/2311:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 2/14$725
This oojo deal was found by Cheapflights users on 2/13. 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 2/164:30 pm
SFO
-
CCU
2 stops34h 05m
Air India
Sun 2/2211:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 2/13$739
This Indian Eagle deal was found by Cheapflights users on 2/14. 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 2/164:30 pm
SFO
-
CCU
2 stops26h 25m
Air India
Mon 2/2311:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 2/14$745
This Indian Eagle deal was found by Cheapflights users on 2/14. 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.
Wed 2/183:00 pm
SFO
-
CCU
2 stops28h 10m
Air India
Wed 2/256:55 pm
CCU
-
SFO
2 stops33h 05m
Air India
Deal found 2/14$755
This oojo deal was found by Cheapflights users on 2/12. 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.
Tue 2/174:30 pm
SFO
-
CCU
2 stops34h 05m
Air India
Thu 2/268:35 pm
CCU
-
SFO
2 stops31h 25m
Air India
Deal found 2/12$757
This Gurufare deal was found by Cheapflights users on 2/10. 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 4/227:40 pm
SFO
-
CCU
2 stops38h 25m
Multiple Airlines
Wed 5/2011:40 pm
CCU
-
SFO
1 stop22h 00m
Multiple Airlines
Deal found 2/10$759
This Indian Eagle deal was found by Cheapflights users on 2/14. 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 2/193:00 pm
SFO
-
CCU
2 stops28h 10m
Air India
Wed 2/256:55 pm
CCU
-
SFO
2 stops33h 05m
Air India
Deal found 2/14$762
This Gurufare deal was found by Cheapflights users on 2/10. 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.
Mon 8/1011:45 am
SFO
-
CCU
1 stop22h 20m
Multiple Airlines
Mon 8/2411:30 pm
CCU
-
SFO
3 stops29h 58m
Multiple Airlines
Deal found 2/10$777
This Indian Eagle deal was found by Cheapflights users on 2/14. 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 2/164:30 pm
SFO
-
CCU
2 stops26h 25m
Air India
Thu 2/2611:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 2/14$782
This Indian Eagle deal was found by Cheapflights users on 2/14. 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.
Wed 2/183:00 pm
SFO
-
CCU
2 stops28h 10m
Air India
Thu 2/2611:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 2/14$790

Find 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 February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$716
(Gurufare)

One-way from

$306
(Gurufare)

Popular in

December

Cheapest in

January

Average price

$1,222

Good round-trip deal

$772 or less

Good one-way deal

$395 or less
Provider with most accurate pricing for San Francisco-Kolkata Netaji S. Chandra flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Kolkata Netaji S. Chandra flights.
Search Deals
From San Francisco to Kolkata Netaji S. Chandra
Search Deals
One-way flight from San Francisco to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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

 
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 February 14, 2026.
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 3/31

6:45 pm-9:45 am

1 stop26h 30m

Kolkata Netaji S. Chandra

Tue 4/7

10:00 pm-7:00 am

1 stop21h 30m

$911

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 3/16

11:59 pm-4:50 pm

2 stops28h 21m

Kolkata Netaji S. Chandra

Tue 3/31

7:00 am-7:00 am

1 stop36h 30m

$915

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 3/11

8:00 am-2:40 am

2 stops30h 10m

Kolkata Netaji S. Chandra

Wed 3/18

8:55 pm-12:51 am

2 stops40h 26m

$996

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 2/28

4:30 pm-9:50 am

1 stop27h 50m

Kolkata Netaji S. Chandra

Wed 5/6

9:55 am-7:00 am

1 stop33h 35m

$1,005

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 4/8

7:35 pm-4:15 am

2 stops44h 10m

Kolkata Netaji S. Chandra

Wed 4/15

5:30 pm-4:15 pm

2 stops35h 15m

$1,026

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 4/6

3:55 pm-2:30 am

1 stop22h 05m

Kolkata Netaji S. Chandra

Mon 5/4

4:00 am-1:35 pm

1 stop22h 05m

$1,031

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 4/6

7:35 pm-4:15 am

2 stops44h 10m

Kolkata Netaji S. Chandra

Mon 4/13

9:00 pm-7:45 pm

3 stops35h 15m

$1,056

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 3/31

2:30 pm-4:15 am

3 stops49h 15m

Kolkata Netaji S. Chandra

Tue 4/7

5:30 pm-4:15 pm

2 stops35h 15m

$1,064

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 4/6

2:30 pm-4:15 am

3 stops49h 15m

Kolkata Netaji S. Chandra

Wed 4/29

9:00 pm-4:15 pm

2 stops31h 45m

$1,064

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 3/23

2:35 pm-8:40 am

2 stops29h 35m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Kolkata flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 6, 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Kolkata, you should look to book at least 83 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, October is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of $546). Flying from San Francisco to Kolkata in July is currently the most expensive (average of $920). 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 February 14, 2026.

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 19% on your trip compared to booking a flight at noon.

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 February 7, 2026.

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

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 February 14, 2026.
See what other customers who have flown with Singapore Airlines, Emirates, and Qatar Airways from San Francisco to Kolkata have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,452 reviews

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

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
8.2
Very good
1,452 reviews
Singapore Airlines
8.2
Very good
1,452 reviews

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

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.
Emirates
8.1
Very good
3,516 reviews
Singapore Airlines
8.2
Very good
1,452 reviews

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

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.
Qatar Airways
7.4
Good
3,734 reviews
Singapore Airlines
8.2
Very good
1,452 reviews

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

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.
IndiGo
6.8
Okay
532 reviews
Singapore Airlines
8.2
Very good
1,452 reviews

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

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.
Air India
5.5
Fair
2,964 reviews
Singapore Airlines
8.2
Very good
1,452 reviews

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

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?

    Flights from San Francisco to Kolkata Netaji S. Chandra have been viewed 235 times in the past calendar month.

  • How long is the flight from San Francisco to Kolkata?

    Departing from San Francisco to Kolkata will take you 26h 30m. Airlines will cover a distance of 7810 mi.

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

    Currently priced at $567, 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 Turkish Airlines - these airlines can fly you to your destination from $704 and $891, respectively. Air India is currently priced 49% 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 Singapore Airlines ($349), Air India ($420), and IndiGo ($463).

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

    While on average a flight from San Francisco to Kolkata is generally $1,357, our data shows the cheapest flight currently is $364. When looking at the most popular route, (San Francisco - Kolkata Netaji S. Chandra), you can expect to pay $596 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 $83 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 $63 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, October is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of $546). Flying from San Francisco to Kolkata in July is currently the most expensive (average of $920). 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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Top 7 airlines flying from San Francisco to Kolkata

Discover the top 7 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 February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$567Average$1,115FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$704Average$1,118FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$891Average$1,963FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$899Average$1,323FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$933Average$1,266FlexibilityNo cancel feeOn-time80%
KLMCheapest$1,027Average$1,462FlexibilityNo cancel feeOn-time75%
EmiratesCheapest$1,385Average$2,091FlexibilityNo cancel feeOn-time75%

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