Find flights
When to book
Airlines
FAQs

Cheap flights from San Francisco to Kolkata from ₹ 40,327

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
10 Feb — 17 Feb1
1 adult
1 adult, Economy, 0 bags

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 11 January 2026.

Round-trip from

₹ 69,467

One-way from

₹ 40,327

Popular in

December

Cheapest in

September

Average price

₹ 91,209

Good round-trip deal

₹ 79,690 or less

Good one-way deal

₹ 35,953 or less
Singapore Airlines
  • Singapore Airlines
  • 27/4-6/5
  • 2 total stops
  • 45h 05m total
  • San Francisco to Kolkata
Search Deals
Air India
  • Air India
  • 18/1
  • 2 total stops
  • 27h 50m total
  • San Francisco to Kolkata
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (₹ 1,004,381 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 409,318 potential savings vs. average return 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

Find flight deals from San Francisco to Kolkata

Enter your travel dates to find the best prices.

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 11 January 2026.

Mon 27/411:00SFO - CCU
1 stop23h 05mSingapore Airlines
Wed 6/523:40CCU - SFO
1 stop22h 00mSingapore Airlines
Deal found 10/1₹ 69,467
Thu 30/711:45SFO - CCU
1 stop22h 20mSingapore Airlines
Mon 24/823:30CCU - SFO
1 stop22h 50mSingapore Airlines
Deal found 8/1₹ 69,557
Tue 10/215:00SFO - CCU
2 stops28h 10mAir India
Mon 23/223:00CCU - SFO
2 stops29h 00mAir India
Deal found 8/1₹ 70,279
Sat 28/215:00SFO - CCU
2 stops42h 45mAir India
Mon 23/309:55CCU - SFO
1 stop34h 35mAir India
Deal found 8/1₹ 70,640
Sun 8/216:30SFO - CCU
2 stops27h 50mAir India
Mon 23/223:00CCU - SFO
2 stops29h 00mAir India
Deal found 8/1₹ 70,910
Sun 18/116:30SFO - CCU
2 stops27h 50mAir India
Thu 5/223:00CCU - SFO
2 stops29h 00mAir India
Deal found 7/1₹ 71,632
Wed 21/116:30SFO - CCU
2 stops34h 50mAir India
Wed 4/322:00CCU - SFO
1 stop22h 30mAir India
Deal found 10/1₹ 71,722
Sat 17/116:30SFO - CCU
2 stops27h 50mAir India
Mon 2/223:00CCU - SFO
2 stops29h 00mAir India
Deal found 7/1₹ 71,813
Thu 15/116:30SFO - CCU
2 stops34h 50mAir India
Mon 2/322:00CCU - SFO
1 stop22h 30mAir India
Deal found 10/1₹ 72,444
Sun 8/216:30SFO - CCU
2 stops27h 50mAir India
Mon 9/321:00CCU - SFO
1 stop23h 30mAir India
Deal found 8/1₹ 72,534
Mon 2/216:30SFO - CCU
2 stops26h 25mAir India
Tue 24/216:40CCU - SFO
2 stops35h 20mAir India
Deal found 10/1₹ 73,076
Tue 24/215:00SFO - CCU
2 stops31h 15mAir India
Tue 10/321:00CCU - SFO
1 stop28h 55mAir India
Deal found 8/1₹ 73,166

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 11 January 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

Sun 8/2

16:30-14:15

1 stop32h 15m

Kolkata Netaji S. Chandra

Mon 9/3

21:00-13:25

1 stop28h 55m

₹ 86,157

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 10/2

15:00-08:40

1 stop28h 10m

Kolkata Netaji S. Chandra

Tue 3/3

00:30-12:25

1 stop25h 25m

₹ 86,157

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 21/1

16:30-14:15

1 stop32h 15m

Kolkata Netaji S. Chandra

Sat 31/1

18:55-14:30

1 stop33h 05m

₹ 86,247

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 8/2

10:50-02:40

2 stops26h 20m

Kolkata Netaji S. Chandra

Mon 9/3

20:55-19:29

2 stops35h 04m

₹ 89,495

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 1/2

16:30-09:50

1 stop27h 50m

Kolkata Netaji S. Chandra

Mon 9/3

13:30-08:00

1 stop31h 00m

₹ 89,585

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 22/1

15:00-08:40

1 stop28h 10m

Kolkata Netaji S. Chandra

Sat 7/2

18:55-14:30

1 stop33h 05m

₹ 89,676

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 20/1

15:00-00:15

1 stop43h 45m

Kolkata Netaji S. Chandra

Thu 29/1

20:35-14:30

1 stop31h 25m

₹ 89,676

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 20/2

13:55-10:05

2 stops30h 40m

Kolkata Netaji S. Chandra

Sun 1/3

21:30-11:50

2 stops27h 50m

₹ 92,833

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 10/4

11:00-22:15

1 stop22h 45m

Kolkata Netaji S. Chandra

Fri 17/4

23:30-09:10

1 stop22h 10m

₹ 94,638

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 28/2

23:30-20:00

2 stops31h 00m

Kolkata Netaji S. Chandra

Sun 8/3

20:55-20:28

2 stops36h 03m

₹ 94,908

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 23 results
1
2
3

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 return 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 return flight from San Francisco to Kolkata. Price data was last updated on 9 January 2026.

The best time to book flights from San Francisco to Kolkata is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 ₹ 49,258). Flying from San Francisco to Kolkata in July is currently the most expensive (average of ₹ 83,180). 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 11 January 2026.

It’s optimal to fly from San Francisco to Kolkata at midday. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the afternoon.

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 11 January 2026.
Read through reviews of airlines operating flights from San Francisco to Kolkata, such as Singapore Airlines and Air India. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.1

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
1,430 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.1

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
2,974 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.1

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?

    This flight path from San Francisco to Kolkata Netaji S. Chandra was viewed by 24 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Air India can get you from San Francisco to Kolkata in just under 32h 15m. Your travel time can differ by up to . There are 12569 km between San Francisco and Kolkata.

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

    Currently priced at ₹ 71,966, Singapore Airlines will fly you from San Francisco to Kolkata and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air India for as low as ₹ 85,008. Singapore Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking at all options, your cheapest flight can be booked for ₹ 31,119. While the most popular route (San Francisco - Kolkata Netaji S. Chandra) can be booked for ₹ 69,557 on average, our data indicates ₹ 69,011 when flying from San Francisco to Kolkata.

  • 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 holiday 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 ₹ 49,258). Flying from San Francisco to Kolkata in July is currently the most expensive (average of ₹ 83,180). 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 2 airlines flying from San Francisco to Kolkata

Discover the top 2 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 454,620 searches. Data last updated 11 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 71,966Average₹ 75,694FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest₹ 85,008Average₹ 103,044FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Kolkata?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Kolkata from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Kolkata?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Kolkata.

Can Cheapflights find flights from San Francisco to Kolkata with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Kolkata flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Francisco to Kolkata become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.