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$563+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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1. Tell us where you want to go

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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 April 28, 2026.

This KAYAK deal was found by Cheapflights users on 4/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:00 pm
SFO
-
CCU
2 stops47h 40m
China Eastern
Sat 9/191:10 am
CCU
-
SFO
2 stops44h 25m
China Eastern
Deal found 4/23$863
This China Eastern deal was found by Cheapflights users on 4/26. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:00 pm
SFO
-
CCU
3 stops47h 40m
China Eastern
Sat 9/51:10 am
CCU
-
SFO
3 stops44h 25m
China Eastern
Deal found 4/26$928
This Indian Eagle deal was found by Cheapflights users on 4/24. 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.
Fri 10/21:30 pm
SFO
-
CCU
2 stops31h 40m
Japan Airlines
Sun 10/48:35 pm
CCU
-
SFO
2 stops27h 25m
Japan Airlines
Deal found 4/24$953
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:50 pm
SFO
-
CCU
2 stops37h 15m
Multiple Airlines
Wed 9/3011:40 pm
CCU
-
SFO
1 stop22h 40m
Multiple Airlines
Deal found 4/27$971
This BusinessClass deal was found by Cheapflights users on 4/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:50 pm
SFO
-
CCU
2 stops37h 15m
Multiple Airlines
Sat 9/2611:40 pm
CCU
-
SFO
1 stop22h 40m
Multiple Airlines
Deal found 4/25$974
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:31 pm
SFO
-
CCU
2 stops40h 34m
Multiple Airlines
Wed 9/3011:40 pm
CCU
-
SFO
1 stop22h 40m
Multiple Airlines
Deal found 4/28$982
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:54 pm
SFO
-
CCU
2 stops36h 51m
Multiple Airlines
Mon 9/2111:30 pm
CCU
-
SFO
1 stop22h 50m
Multiple Airlines
Deal found 4/27$1,031
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:50 pm
SFO
-
CCU
2 stops37h 15m
Multiple Airlines
Sun 9/2011:40 pm
CCU
-
SFO
1 stop22h 40m
Multiple Airlines
Deal found 4/27$1,045

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 April 28, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$863
(KAYAK)

One-way from

$563
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,041

Good round-trip deal

$1,127 or less

Good one-way deal

$550 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
Search Deals
One-way flight from San Francisco to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($80 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 April 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 April 28, 2026.
Use the filters below to find and compare flights from San Francisco to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 6/25

12:55 pm-12:30 pm

2 stops35h 05m

Kolkata Netaji S. Chandra

Sat 7/11

9:00 pm-10:50 am

2 stops50h 20m

$1,804

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 6/15

7:30 pm-4:50 am

3 stops44h 50m

Kolkata Netaji S. Chandra

Wed 7/15

9:00 pm-4:15 pm

2 stops31h 45m

$1,811

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 6/13

7:35 pm-9:45 am

2 stops49h 40m

Kolkata Netaji S. Chandra

Sun 7/5

5:40 pm-1:35 pm

3 stops32h 25m

$1,824

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 5/28

7:50 pm-4:50 am

3 stops44h 30m

Kolkata Netaji S. Chandra

Tue 6/30

5:40 pm-1:35 pm

3 stops32h 25m

$1,971

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 7/12

11:59 pm-8:10 am

2 stops43h 41m

Kolkata Netaji S. Chandra

Fri 7/24

9:50 am-2:00 pm

1 stop40h 40m

$2,104

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 5/26

5:05 pm-8:10 am

1 stop26h 35m

Kolkata Netaji S. Chandra

Tue 6/2

9:50 am-2:00 pm

1 stop40h 40m

$2,145
Quickest round-trip

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 6/1

5:05 pm-8:10 am

1 stop26h 35m

Kolkata Netaji S. Chandra

Wed 7/8

8:55 pm-2:00 pm

1 stop29h 35m

$2,435

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 7/20

7:35 pm-9:45 am

2 stops49h 40m

Kolkata Netaji S. Chandra

Tue 8/11

9:00 pm-4:00 pm

3 stops31h 30m

$2,471

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 6/8

5:05 pm-7:15 pm

1 stop37h 40m

Kolkata Netaji S. Chandra

Tue 8/11

9:50 am-9:10 pm

2 stops47h 50m

$2,521

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 6/6

7:30 pm-4:50 am

3 stops44h 50m

Kolkata Netaji S. Chandra

Sun 6/28

9:00 pm-1:35 pm

3 stops29h 05m

$3,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 22 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Francisco-Kolkata flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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?

To ensure you get the cheapest price possible for a flight from San Francisco to Kolkata, you should look to book at least 82 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, January is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of $870). Flying from San Francisco to Kolkata in December is currently the most expensive (average of $1,679). 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 28, 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 17% 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 April 25, 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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Francisco to Kolkata?

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 28, 2026.
See what other customers who have flown with Singapore Airlines,Emirates, andQatar 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
1,503 reviews

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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
8.2
Very good
1,503 reviews
Singapore Airlines
8.2
Very good
1,503 reviews

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.
Emirates
8.1
Very good
3,568 reviews
Singapore Airlines
8.2
Very good
1,503 reviews

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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
3,726 reviews
Singapore Airlines
8.2
Very good
1,503 reviews

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.
IndiGo
6.8
Okay
558 reviews
Singapore Airlines
8.2
Very good
1,503 reviews

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.
Air India
5.5
Fair
2,957 reviews
Singapore Airlines
8.2
Very good
1,503 reviews

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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 airports do I use to fly from San Francisco to Kolkata?

    If you book a flight from San Francisco to Kolkata, you will be flying from San Francisco to Netaji S. Chandra. Flights to Kolkata Netaji S. Chandra (CCU) from San Francisco (SFO) take 22h 05m for a nonstop flight. There is 1 flight from San Francisco to Kolkata per day from 8 airlines.

  • How popular is this San Francisco to Kolkata flight route?

    Flights from San Francisco to Kolkata Netaji S. Chandra have been viewed 281 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 35h 05m. 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 $521, 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 IndiGo and Singapore Airlines - these airlines can fly you to your destination from $610 and $693, respectively. Air India is currently priced 54% 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 ($307), 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 $1,322, our data shows the cheapest flight currently is $430. When looking at the most popular route, (San Francisco - Kolkata Netaji S. Chandra), you can expect to pay $984 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 Merlion are the most popular attractions in Singapore if you're in need of something to do during your layover. Sentosa, Universal Studios Singapore and Merlion are located about 13.4 mi, 13.4 mi, and 10.5 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 $92 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, Gurudwara Bangla Sahib, and Lajpat Nagar Central Market. Those on a layover in New Delhi interested in visiting Karol Bagh, Gurudwara Bangla Sahib, or Lajpat Nagar Central Market can do so by traveling 8.7 mi, 8.2 mi, and 8.7 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 $54 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 Doha.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Kolkata (average of $870). Flying from San Francisco to Kolkata in December is currently the most expensive (average of $1,679). 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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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
San Diego to Kolkata flights
Sacramento to Kolkata flights

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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$521Average$1,050FlexibilityNo cancel feeOn-timeN/A
IndiGoCheapest$610Average$1,255FlexibilityNo cancel feeOn-time80%
Singapore AirlinesCheapest$693Average$1,146FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$753Average$1,963FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$860Average$1,509FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$899Average$1,352FlexibilityNo cancel feeOn-time68%
KLMCheapest$1,027Average$1,462FlexibilityNo cancel feeOn-time75%
EmiratesCheapest$1,385Average$2,091FlexibilityNo cancel feeOn-time75%

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