Find flights
When to book
Airlines
FAQs

Cheap flights from Kolkata to San Francisco from ₹ 48,800

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SFO
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kolkata to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Kolkata to San Francisco
Explore the most affordable flight options available from Kolkata to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 März 2026.

Mo 26/1023:40
CCU
-
SFO
1 stop21h 40m
Singapore Airlines
Sa 9/120:15
SFO
-
CCU
1 stop60h 40m
Singapore Airlines
Deal found 9/3₹ 77,473
Di 27/1022:30
CCU
-
SFO
2 stops26h 50m
KLM
Fr 8/113:50
SFO
-
CCU
2 stops28h 05m
KLM
Deal found 9/3₹ 77,932
Mo 26/1022:30
CCU
-
SFO
2 stops26h 50m
KLM
Fr 8/113:50
SFO
-
CCU
2 stops28h 05m
KLM
Deal found 9/3₹ 78,392
Mo 15/617:30
CCU
-
SFO
2 stops37h 00m
Multiple Airlines
Mi 16/913:45
SFO
-
CCU
2 stops30h 50m
Multiple Airlines
Deal found 10/3₹ 78,667
Di 21/413:30
CCU
-
SFO
1 stop30h 00m
Multiple Airlines
Mo 10/811:45
SFO
-
CCU
1 stop22h 20m
Multiple Airlines
Deal found 8/3₹ 79,403
So 25/1023:40
CCU
-
SFO
1 stop45h 40m
Singapore Airlines
Sa 9/120:15
SFO
-
CCU
1 stop36h 40m
Singapore Airlines
Deal found 9/3₹ 79,494
Mo 15/617:30
CCU
-
SFO
2 stops37h 00m
Multiple Airlines
Di 15/920:10
SFO
-
CCU
2 stops48h 25m
Multiple Airlines
Deal found 10/3₹ 79,862
Mi 22/421:00
CCU
-
SFO
1 stop22h 30m
Multiple Airlines
Fr 24/711:45
SFO
-
CCU
1 stop22h 00m
Multiple Airlines
Deal found 7/3₹ 81,424
So 27/923:40
CCU
-
SFO
1 stop46h 40m
Singapore Airlines
Do 22/1011:45
SFO
-
CCU
1 stop46h 00m
Singapore Airlines
Deal found 10/3₹ 81,976
Di 27/1022:30
CCU
-
SFO
2 stops26h 50m
KLM
So 10/113:50
SFO
-
CCU
2 stops27h 50m
KLM
Deal found 9/3₹ 82,803
Sa 24/1023:40
CCU
-
SFO
1 stop45h 40m
Singapore Airlines
Di 12/120:15
SFO
-
CCU
1 stop36h 40m
Singapore Airlines
Deal found 9/3₹ 83,262
Sa 9/517:30
CCU
-
SFO
2 stops31h 50m
Air France
Mo 1/623:00
SFO
-
CCU
2 stops42h 00m
Air France
Deal found 7/3₹ 83,814

Find flight deals from Kolkata to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Kolkata (CCU) to San Francisco (SFO). 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 März 2026.

Round-trip from

₹ 78,667

One-way from

₹ 48,800

Popular in

January

Cheapest in

November

Average price

₹ 112,027
KLM
  • KLM
  • 17/6-16/9
  • 4 total stops
  • 67h 50m total
  • Kolkata to San Francisco
Search Deals
Air India
  • Air India
  • 20/4
  • 1 total stop
  • 22h 30m total
  • Kolkata to San Francisco
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (₹ 929,657 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 307,332 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kolkata to San Francisco 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 März 2026.
Use the filters below to find and compare flights from Kolkata to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Di 16/6

09:50-14:00

1 stop40h 40m

San Francisco

Mo 14/9

17:05-08:10

1 stop26h 35m

₹ 103,756

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Fr 19/6

20:55-14:00

1 stop29h 35m

San Francisco

Mo 14/9

17:05-19:15

1 stop37h 40m

₹ 106,513
Fastest return journey

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Mo 25/5

04:00-13:35

1 stop22h 05m

San Francisco

Mi 1/7

09:00-02:30

2 stops29h 00m

₹ 108,811

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Do 18/6

04:00-13:35

1 stop22h 05m

San Francisco

Mo 14/9

08:00-02:30

2 stops30h 00m

₹ 116,623

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Mi 3/6

17:30-09:50

2 stops28h 50m

San Francisco

So 22/11

09:40-22:25

1 stop23h 15m

₹ 117,633

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Di 9/6

17:30-09:50

2 stops28h 50m

San Francisco

Fr 20/11

09:40-22:25

1 stop23h 15m

₹ 117,633

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

So 31/5

20:55-14:00

1 stop29h 35m

San Francisco

Mi 10/6

17:05-19:15

1 stop37h 40m

₹ 123,148

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Sa 13/6

17:30-09:50

2 stops28h 50m

San Francisco

Mi 16/9

11:45-22:35

1 stop22h 20m

₹ 125,813

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Do 14/5

09:50-15:00

2 stops65h 40m

San Francisco

Mo 12/10

17:05-08:10

1 stop26h 35m

₹ 133,165

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Do 19/3

03:25-23:19

2 stops32h 24m

San Francisco

Di 15/9

08:00-02:30

2 stops30h 00m

₹ 133,900

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Kolkata to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Kolkata 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 Kolkata to San Francisco

How far ahead should I book a flight from Kolkata to San Francisco?

Use this chart to determine the optimal time to book a return flight from Kolkata to San Francisco. Price data was last updated on 6 March 2026.

To ensure you get the cheapest price possible for a flight from Kolkata to San Francisco, you should look to book at least 88 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 Kolkata to San Francisco?

Currently, October is the cheapest month in which you can book a flight from Kolkata to San Francisco (average of ₹ 21,872). Flying from Kolkata to San Francisco in August is currently the most expensive (average of ₹ 103,021). 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.

How much does it cost for a return flight from Kolkata to San Francisco?

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 11 März 2026.
See what other customers who have flown with Singapore Airlines,Emirates, andQatar Airways from Kolkata to San Francisco 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
1,472 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.0

Overall

8.2

Boarding

8.3

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
1,472 reviews
Singapore Airlines
8.2
Very Good
1,472 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.0

Overall

8.2

Boarding

8.3

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
3,540 reviews
Singapore Airlines
8.2
Very Good
1,472 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.0

Overall

8.2

Boarding

8.3

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
3,744 reviews
Singapore Airlines
8.2
Very Good
1,472 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.0

Overall

8.2

Boarding

8.3

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
542 reviews
Singapore Airlines
8.2
Very Good
1,472 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.0

Overall

8.2

Boarding

8.3

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
2,969 reviews
Singapore Airlines
8.2
Very Good
1,472 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.0

Overall

8.2

Boarding

8.3

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 Kolkata to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Kolkata to San Francisco will take you 22h 05m. Airlines will cover a distance of 12569 km. 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 Kolkata to San Francisco round-trip?

    Flying on Singapore Airlines is currently your cheapest option to San Francisco, with prices starting at ₹ 74,966. Additional round-trip tickets that might be worth considering are offered by Air India and Qatar Airways, with the lowest prices starting at ₹ 82,672 and ₹ 94,214, respectively. Singapore Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Kolkata to San Francisco one-way?

    The cheapet airlines for a one-way flight from Kolkata to San Francisco are Singapore Airlines (₹ 18,215), Air India (₹ 38,804), and Qatar Airways (₹ 53,109).

  • Can I find deals for flights from Kolkata to San Francisco that include hotel bookings?

    Yes. In addition to deals on Kolkata to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kolkata to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to San Francisco.

  • Can I find deals for business class flights from Kolkata to San Francisco?

    Yes. Cheapflights offers flight deals from Kolkata to San Francisco 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 Kolkata to San Francisco?

    Currently, October is the cheapest month in which you can book a flight from Kolkata to San Francisco (average of ₹ 21,872). Flying from Kolkata to San Francisco in August is currently the most expensive (average of ₹ 103,021). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Fairfield
Mountain View
Burlingame
Milpitas
Santa Clara

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.

Fly from Kolkata to San Francisco on these airlines

Choose from the following airlines for your flight from Kolkata to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 11 März 2026.
Air India flights from Kolkata Netaji S. Chandra to San Francisco

Top 5 airlines flying from Kolkata to San Francisco

Discover the top 5 airlines that operate flights from Kolkata to San Francisco. 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 März 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 74,966Average₹ 101,812FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest₹ 82,672Average₹ 119,441FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest₹ 94,214Average₹ 127,590FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
IndiGoCheapest₹ 94,422Average₹ 106,325FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
EmiratesCheapest₹ 101,124Average₹ 111,793FlexibilityNo cancel feeOn-time75%
Search Emirates 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 Kolkata to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Kolkata to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to San Francisco from Kolkata by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Kolkata to San Francisco with no change fees.

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

Of course! You can now track prices for flights from Kolkata to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.