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$439+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com 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
Thu 5/711:30 pm
CCU
-
SFO
1 stop22h 10m
Multiple Airlines
Deal found 1/28$731
This Singapore Airlines deal was found by Cheapflights users on 1/28. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:00 am
SFO
-
CCU
1 stop23h 05m
Singapore Airlines
Mon 6/111:30 pm
CCU
-
SFO
1 stop22h 50m
Singapore Airlines
Deal found 1/28$739
This Indian Eagle deal was found by Cheapflights users on 1/29. 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 stops41h 20m
Air India
Wed 2/256:55 pm
CCU
-
SFO
2 stops33h 05m
Air India
Deal found 1/29$740
This oojo deal was found by Cheapflights users on 1/27. 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 stops26h 25m
Air India
Wed 2/256:00 am
CCU
-
SFO
2 stops46h 00m
Air India
Deal found 1/27$741
This Indian Eagle deal was found by Cheapflights users on 1/28. 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 2/114:30 pm
SFO
-
CCU
2 stops32h 15m
Air India
Mon 2/238:35 pm
CCU
-
SFO
2 stops31h 25m
Air India
Deal found 1/28$759
This Indian Eagle deal was found by Cheapflights users on 1/28. 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 2/113:00 pm
SFO
-
CCU
2 stops31h 15m
Air India
Sun 2/2211:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 1/28$765
This Indian Eagle deal was found by Cheapflights users on 1/28. 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 2/54:30 pm
SFO
-
CCU
2 stops27h 50m
Air India
Mon 2/1611:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 1/28$766
This oojo deal was found by Cheapflights users on 1/27. 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.
Wed 1/284:30 pm
SFO
-
CCU
2 stops34h 50m
Air India
Wed 2/184:40 pm
CCU
-
SFO
2 stops35h 20m
Air India
Deal found 1/27$771
This Indian Eagle deal was found by Cheapflights users on 1/27. 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 2/54:30 pm
SFO
-
CCU
2 stops27h 50m
Air India
Sun 2/1511:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 1/27$773
This Indian Eagle deal was found by Cheapflights users on 1/26. 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
Wed 3/1810:00 pm
CCU
-
SFO
1 stop22h 30m
Air India
Deal found 1/26$776
This Indian Eagle deal was found by Cheapflights users on 1/26. 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 1/284:30 pm
SFO
-
CCU
2 stops27h 50m
Air India
Tue 2/176:55 pm
CCU
-
SFO
2 stops33h 05m
Air India
Deal found 1/26$779
This Indian Eagle deal was found by Cheapflights users on 1/26. 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 1/284:30 pm
SFO
-
CCU
2 stops27h 50m
Air India
Sun 2/2211:00 pm
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 1/26$785

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$731
(Trip.com)

One-way from

$439
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$1,017

Good round-trip deal

$727 or less

Good one-way deal

$379 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. 9% potential increase in price ($123 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 January 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 January 29, 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

Sat 4/11

11:00 am-10:15 pm

1 stop22h 45m

Kolkata Netaji S. Chandra

Thu 6/4

11:30 pm-9:50 am

1 stop22h 50m

$815

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 4/11

11:00 am-10:15 pm

1 stop22h 45m

Kolkata Netaji S. Chandra

Mon 6/1

11:30 pm-9:50 am

1 stop22h 50m

$815

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 4/14

11:00 am-10:15 pm

1 stop22h 45m

Kolkata Netaji S. Chandra

Wed 6/3

11:40 pm-9:50 am

1 stop22h 40m

$815

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 2/11

4:30 pm-2:15 pm

1 stop32h 15m

Kolkata Netaji S. Chandra

Tue 2/24

6:55 pm-2:30 pm

1 stop33h 05m

$902

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 2/17

4:30 pm-8:25 am

1 stop26h 25m

Kolkata Netaji S. Chandra

Wed 3/18

7:05 pm-8:00 am

1 stop25h 25m

$940

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 4/13

10:16 pm-8:30 pm

2 stops33h 44m

Kolkata Netaji S. Chandra

Mon 6/1

9:30 pm-10:55 pm

2 stops37h 55m

$992

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 2/27

8:44 pm-8:00 pm

2 stops33h 46m

Kolkata Netaji S. Chandra

Thu 3/26

3:35 am-12:51 am

2 stops33h 46m

$1,001

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 2/19

4:30 pm-2:15 pm

1 stop32h 15m

Kolkata Netaji S. Chandra

Mon 3/9

12:30 am-1:25 pm

1 stop25h 25m

$1,020

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 2/20

3:00 pm-11:45 am

1 stop31h 15m

Kolkata Netaji S. Chandra

Mon 3/9

7:05 pm-8:00 am

1 stop25h 25m

$1,050

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 2/28

12:50 pm-8:40 am

3 stops54h 20m

Kolkata Netaji S. Chandra

Sun 3/15

5:30 pm-5:30 pm

2 stops36h 30m

$1,078

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 22 results
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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 January.
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 January 23, 2026.

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, 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 $925). 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 January 29, 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 January 24, 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 January 29, 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
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Overall

8.2

Food

7.8

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
1,440 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Overall

8.2

Food

7.8

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
3,490 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Overall

8.2

Food

7.8

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
3,727 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Overall

8.2

Food

7.8

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
528 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Overall

8.2

Food

7.8

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
2,978 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Overall

8.2

Food

7.8

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 233 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 22h 45m. Airlines will cover a distance of 7810 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $575, 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 $700 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 ($352), 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 $1,398, our data shows the cheapest flight currently is $322. When looking at the most popular route, (San Francisco - Kolkata Netaji S. Chandra), you can expect to pay $564 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 $84 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 $55 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 $925). 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 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$575Average$1,124FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$700Average$1,095FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$891Average$1,963FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$899Average$1,317FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$933Average$1,266FlexibilityNo cancel feeOn-time80%
KLMCheapest$1,027Average$1,462FlexibilityNo cancel feeOn-time75%
EmiratesCheapest$1,371Average$2,091FlexibilityNo cancel feeOn-time75%

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