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Cheap flights from San Francisco to Kolkata from ₹ 27,298

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CCU
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 February 2026.

Tue 4/806:00
SFO
-
CCU
2 stops27h 45m
Multiple Airlines
Tue 25/823:30
CCU
-
SFO
1 stop22h 50m
Multiple Airlines
Deal found 17/2₹ 64,935
Mon 20/411:00
SFO
-
CCU
1 stop23h 05m
Multiple Airlines
Wed 29/423:40
CCU
-
SFO
2 stops30h 04m
Multiple Airlines
Deal found 15/2₹ 65,479
Tue 17/216:30
SFO
-
CCU
2 stops34h 05m
Air India
Mon 23/223:00
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 14/2₹ 65,751
Mon 16/216:30
SFO
-
CCU
2 stops26h 25m
Air India
Mon 23/223:00
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 14/2₹ 67,565
Sat 5/911:45
SFO
-
CCU
1 stop22h 00m
Singapore Airlines
Sun 27/923:40
CCU
-
SFO
1 stop22h 40m
Singapore Airlines
Deal found 17/2₹ 67,656
Mon 13/411:00
SFO
-
CCU
1 stop23h 05m
Multiple Airlines
Wed 29/423:40
CCU
-
SFO
2 stops30h 04m
Multiple Airlines
Deal found 14/2₹ 68,109
Wed 18/215:00
SFO
-
CCU
2 stops28h 10m
Air India
Wed 25/218:55
CCU
-
SFO
2 stops33h 05m
Air India
Deal found 14/2₹ 68,472
Tue 8/911:45
SFO
-
CCU
1 stop22h 00m
Singapore Airlines
Sun 27/923:40
CCU
-
SFO
1 stop22h 40m
Singapore Airlines
Deal found 17/2₹ 68,744
Tue 17/215:00
SFO
-
CCU
2 stops29h 15m
Air India
Tue 24/218:55
CCU
-
SFO
2 stops33h 05m
Air India
Deal found 16/2₹ 69,016
Thu 19/215:00
SFO
-
CCU
2 stops28h 10m
Air India
Mon 23/223:00
CCU
-
SFO
2 stops29h 00m
Air India
Deal found 14/2₹ 69,107
Thu 19/215:00
SFO
-
CCU
2 stops37h 55m
Air India
Wed 25/216:40
CCU
-
SFO
2 stops35h 20m
Air India
Deal found 16/2₹ 69,651

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 18 February 2026.

Round-trip from

₹ 65,479

One-way from

₹ 27,298

Popular in

December

Cheapest in

September

Average price

₹ 110,825
20/4-29/4
  • 20/4-29/4
  • 3 total stops
  • 53h 09m total
  • San Francisco to Kolkata
Search Deals
Singapore Airlines
  • Singapore Airlines
  • 19/4
  • 1 total stop
  • 23h 05m total
  • San Francisco to Kolkata
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (₹ 570,858 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 399,448 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 18 February 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

Fri 8/5

11:00-22:15

1 stop22h 45m

Kolkata Netaji S. Chandra

Sat 16/5

23:40-09:10

1 stop22h 00m

₹ 78,539

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Mon 13/4

11:00-22:35

1 stop23h 05m

Kolkata Netaji S. Chandra

Wed 29/4

23:40-18:44

3 stops31h 34m

₹ 80,171

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sat 9/5

11:00-22:15

1 stop22h 45m

Kolkata Netaji S. Chandra

Sat 16/5

23:40-09:10

1 stop22h 00m

₹ 81,169

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Sun 22/3

18:25-08:40

3 stops49h 45m

Kolkata Netaji S. Chandra

Wed 8/4

17:30-16:15

2 stops35h 15m

₹ 86,973

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 19/5

14:00-04:15

2 stops25h 45m

Kolkata Netaji S. Chandra

Sat 6/6

23:40-09:50

1 stop22h 40m

₹ 87,789

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Fri 1/5

11:00-22:15

1 stop22h 45m

Kolkata Netaji S. Chandra

Fri 15/5

23:40-17:03

3 stops29h 53m

₹ 88,424

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 18/3

06:15-02:40

2 stops31h 55m

Kolkata Netaji S. Chandra

Wed 25/3

20:55-00:51

2 stops40h 26m

₹ 90,328

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Wed 11/3

06:15-02:40

2 stops31h 55m

Kolkata Netaji S. Chandra

Wed 18/3

20:55-00:51

2 stops40h 26m

₹ 90,328

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Thu 9/4

22:00-03:00

2 stops40h 30m

Kolkata Netaji S. Chandra

Wed 22/4

21:30-23:59

2 stops38h 59m

₹ 90,691

San FranciscoKolkata

SFO - CCU

SFOCCU

San Francisco

Tue 7/7

19:35-09:50

2 stops49h 45m

Kolkata Netaji S. Chandra

Tue 28/7

04:20-07:00

Nonstop15h 10m

₹ 92,686

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 22 results
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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 13 February 2026.

The best time to book flights from San Francisco to Kolkata is 83 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 ₹ 49,517). Flying from San Francisco to Kolkata in July is currently the most expensive (average of ₹ 83,436). 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 18 February 2026.

It’s optimal to fly from San Francisco to Kolkata at midday. By choosing this option you can save up to 21% 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 18 February 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
8.2
Very Good
1,457 reviews
Check prices

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Overall

8.2

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
1,457 reviews
Singapore Airlines
8.2
Very Good
1,457 reviews
Check prices

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Overall

8.2

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
2,966 reviews
Singapore Airlines
8.2
Very Good
1,457 reviews
Check prices

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Overall

8.2

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.

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

    This flight path from San Francisco to Kolkata Netaji S. Chandra was viewed by 26 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?

    Singapore Airlines and SWISS can get you from San Francisco to Kolkata in just under 22h 45m. Your travel time can differ by up to 27h. There are 12569 km between San Francisco and Kolkata. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at ₹ 54,518, 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 ₹ 81,854. Singapore Airlines is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 ₹ 49,517). Flying from San Francisco to Kolkata in July is currently the most expensive (average of ₹ 83,436). 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 18 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 54,518Average₹ 74,028FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest₹ 81,854Average₹ 96,721FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

Fly with Cheapflights

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

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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.

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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!

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