HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kolkata

$353+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Kolkata with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Francisco to Kolkata Netaji S. Chandra are usually found in September or August, booked 76 days in advance, depart on a Tuesday or Monday 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 June 12, 2025.

Round-trip from

$882
(Ovago)

One-way from

$353
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,526

Good round-trip deal

$1,290 or less

Good one-way deal

$840 or less
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. 17% potential increase in price ($247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

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 June 12, 2025.

This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:00 amSFO - CCU
1 stop33h 10mAir India
Sun 9/710:45 pmCCU - SFO
1 stop20h 45mAir India
Deal found 6/11$882
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Wed 11/199:40 amSFO - CCU
1 stop23h 15mSingapore Airlines
Wed 12/311:40 pmCCU - SFO
2 stops31h 58mSingapore Airlines
Deal found 6/11$884
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Mon 7/2810:00 amSFO - CCU
1 stop23h 15mMultiple Airlines
Sat 8/234:20 pmCCU - SFO
2 stops38h 50mMultiple Airlines
Deal found 6/9$926
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:30 pmSFO - CCU
2 stops33h 35mEtihad Airways
Mon 9/299:30 pmCCU - SFO
2 stops38h 50mEtihad Airways
Deal found 6/10$1,020
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 7/3010:14 amSFO - CCU
2 stops30h 01mAmerican Airlines
Mon 1/196:00 pmCCU - SFO
2 stops32h 03mAmerican Airlines
Deal found 6/11$1,031
This Indian Eagle deal was found by Cheapflights users on 6/11. 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.
Sat 8/162:00 pmSFO - CCU
2 stops29h 10mLufthansa
Sun 8/3110:45 pmCCU - SFO
2 stops26h 25mLufthansa
Deal found 6/11$1,049
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:45 pmSFO - CCU
2 stops37h 00mIndiGo
Sun 9/710:30 pmCCU - SFO
2 stops30h 40mIndiGo
Deal found 6/11$1,056
This Indian Eagle deal was found by Cheapflights users on 6/10. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:45 pmSFO - CCU
2 stops32h 20mTurkish Airlines
Tue 8/267:05 pmCCU - SFO
2 stops34h 05mTurkish Airlines
Deal found 6/10$1,123
This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:30 pmSFO - CCU
2 stops49h 30mSWISS
Sun 8/318:30 pmCCU - SFO
2 stops32h 10mSWISS
Deal found 6/11$1,165

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 June 12, 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 8/15

10:00 am-7:40 am

1 stop33h 10m

Kolkata Netaji S. Chandra

Sun 9/7

10:45 pm-7:00 am

1 stop20h 45m

$882

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 11/19

9:40 am-10:25 pm

1 stop23h 15m

Kolkata Netaji S. Chandra

Wed 12/3

11:40 pm-6:08 pm

2 stops31h 58m

$884

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 7/28

10:00 am-9:45 pm

1 stop23h 15m

Kolkata Netaji S. Chandra

Sat 8/23

4:20 pm-6:40 pm

2 stops38h 50m

$926

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 9/8

10:30 pm-8:35 pm

2 stops33h 35m

Kolkata Netaji S. Chandra

Mon 9/29

9:30 pm-11:50 pm

2 stops38h 50m

$1,020

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 7/30

10:14 am-4:45 am

2 stops30h 01m

Kolkata Netaji S. Chandra

Mon 1/19

6:00 pm-12:33 pm

2 stops32h 03m

$1,031

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 8/16

2:00 pm-7:40 am

2 stops29h 10m

Kolkata Netaji S. Chandra

Sun 8/31

10:45 pm-12:40 pm

2 stops26h 25m

$1,049

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 8/15

6:45 pm-8:15 pm

2 stops37h 00m

Kolkata Netaji S. Chandra

Sun 9/7

10:30 pm-4:40 pm

2 stops30h 40m

$1,056

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 7/24

6:45 pm-3:35 pm

2 stops32h 20m

Kolkata Netaji S. Chandra

Tue 8/26

7:05 pm-4:40 pm

2 stops34h 05m

$1,123

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 8/14

7:30 pm-9:30 am

2 stops49h 30m

Kolkata Netaji S. Chandra

Sun 8/31

8:30 pm-4:10 pm

2 stops32h 10m

$1,165

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 8/26

11:30 am-10:15 pm

1 stop22h 15m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Francisco to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from San Francisco with our price prediction graph.
Estimated 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 June 9, 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 $970). 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Kolkata in the morning. If you’re flexible enough to do this you can expect to save up to 28% 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 June 8, 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 June 12, 2025.
See what other customers who have flown with Singapore Airlines, SWISS and Etihad Airways 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
1,302 reviews

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,302 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
SWISS
7.5
Good
1,623 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Etihad Airways
7.4
Good
1,211 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Turkish Airlines
7.3
Good
3,848 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
American Airlines
7.2
Good
10,000 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 4 times in the past calendar month.

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

    Currently priced at $882, 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 $884 and $1,020, respectively. Air India is currently priced 25% 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 ($353), Air India ($443), and IndiGo ($452).

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

    While on average a flight from San Francisco to Kolkata is generally $2,231, our data shows the cheapest flight currently is $631. When looking at the most popular route, (San Francisco - Kolkata Netaji S. Chandra), you can expect to pay $676 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 $137 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 $51 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 $970). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$716Average$1,095FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$775Average$1,214FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$803Average$1,040FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$978Average$1,428FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$1,160Average$1,594FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,265Average$1,538FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$1,534Average$1,914FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.