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Cheap flights from Kolkata to San Francisco from ₹ 55,517

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SFO
21 May — 28 May1
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 21 April 2026.

Sat 6/601:10
CCU
-
SFO
3 stops44h 25m
China Eastern
Sat 12/912:00
SFO
-
CCU
3 stops47h 40m
China Eastern
Deal found 20/4₹ 95,319
Wed 8/721:30
CCU
-
SFO
2 stops37h 32m
Multiple Airlines
Wed 26/806:00
SFO
-
CCU
2 stops32h 30m
Multiple Airlines
Deal found 18/4₹ 95,412
Sat 6/601:10
CCU
-
SFO
2 stops44h 25m
China Eastern
Mon 14/912:00
SFO
-
CCU
2 stops47h 40m
China Eastern
Deal found 21/4₹ 95,598
Thu 4/601:10
CCU
-
SFO
3 stops44h 25m
China Eastern
Mon 14/912:00
SFO
-
CCU
3 stops47h 40m
China Eastern
Deal found 21/4₹ 98,387
Thu 4/601:10
CCU
-
SFO
2 stops44h 25m
China Eastern
Sat 12/912:00
SFO
-
CCU
2 stops47h 40m
China Eastern
Deal found 20/4₹ 98,480
Thu 14/501:10
CCU
-
SFO
2 stops44h 25m
China Eastern
Sat 29/812:00
SFO
-
CCU
2 stops47h 40m
China Eastern
Deal found 19/4₹ 99,038
Mon 18/502:35
CCU
-
SFO
2 stops25h 15m
Multiple Airlines
Tue 26/510:30
SFO
-
CCU
2 stops26h 45m
Multiple Airlines
Deal found 21/4₹ 101,177
Tue 19/509:50
CCU
-
SFO
1 stop40h 40m
Emirates
Wed 7/1017:05
SFO
-
CCU
1 stop37h 40m
Emirates
Deal found 20/4₹ 101,363
Sun 31/509:50
CCU
-
SFO
1 stop40h 40m
Emirates
Tue 29/917:05
SFO
-
CCU
1 stop26h 35m
Emirates
Deal found 17/4₹ 101,456
Sun 7/620:55
CCU
-
SFO
1 stop29h 35m
Emirates
Sun 13/917:05
SFO
-
CCU
1 stop26h 35m
Emirates
Deal found 21/4₹ 101,735
Wed 13/520:55
CCU
-
SFO
1 stop29h 35m
Emirates
Tue 6/1017:05
SFO
-
CCU
1 stop26h 35m
Emirates
Deal found 20/4₹ 102,293

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 21 April 2026.

Round-trip from

₹ 95,319

One-way from

₹ 55,517

Popular in

January

Cheapest in

November

Average price

₹ 99,317
China Eastern
  • China Eastern
  • 6/6-12/9
  • 6 total stops
  • 92h 05m total
  • Kolkata to San Francisco
Search Deals
2/6
  • 2/6
  • 2 total stops
  • 55h 25m total
  • Kolkata to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (₹ 1,055,626 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 324,122 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 21 April 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

Mon 31/8

09:50-14:00

1 stop40h 40m

San Francisco

Wed 27/1

15:40-07:40

1 stop26h 30m

₹ 104,246

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Thu 14/5

09:50-14:00

1 stop40h 40m

San Francisco

Sun 19/7

17:05-08:10

1 stop26h 35m

₹ 104,711

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Tue 5/5

09:50-14:00

1 stop40h 40m

San Francisco

Mon 31/8

17:05-08:10

1 stop26h 35m

₹ 107,687

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Tue 25/8

09:50-14:00

1 stop40h 40m

San Francisco

Thu 28/1

15:40-07:40

1 stop26h 30m

₹ 109,175

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Sat 29/8

09:50-14:00

1 stop40h 40m

San Francisco

Tue 26/1

15:40-07:40

1 stop26h 30m

₹ 111,872

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Sun 31/5

20:55-14:00

1 stop29h 35m

San Francisco

Wed 10/6

17:05-19:15

1 stop37h 40m

₹ 113,452

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Fri 29/5

09:50-14:00

1 stop40h 40m

San Francisco

Mon 8/6

17:05-19:15

1 stop37h 40m

₹ 116,521
Fastest return journey

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Wed 3/6

04:00-23:59

2 stops32h 29m

San Francisco

Tue 11/8

15:55-02:30

1 stop22h 05m

₹ 120,799

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Thu 27/8

04:00-21:16

2 stops29h 46m

San Francisco

Thu 28/1

11:15-01:55

2 stops25h 10m

₹ 129,633

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Mon 4/5

04:00-09:27

2 stops41h 57m

San Francisco

Tue 8/9

15:55-02:30

1 stop22h 05m

₹ 138,468

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 21 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 17 April 2026.

To ensure you get the cheapest price possible for a flight from Kolkata to San Francisco, you should look to book at least 78 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, November is the cheapest month in which you can book a flight from Kolkata to San Francisco (average of ₹ 86,484). Flying from Kolkata to San Francisco in January is currently the most expensive (average of ₹ 144,884). 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 21 April 2026.
See what other customers who have flown with Singapore Airlines,Qatar Airways, andIndiGo 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
1,499 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.2

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
1,499 reviews
Singapore Airlines
8.2
Very Good
1,499 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.2

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
3,730 reviews
Singapore Airlines
8.2
Very Good
1,499 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.2

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
551 reviews
Singapore Airlines
8.2
Very Good
1,499 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.2

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
2,967 reviews
Singapore Airlines
8.2
Very Good
1,499 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.2

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 44h 25m. Airlines will cover a distance of 12569 km.

  • 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 ₹ 22,331. Additional round-trip tickets that might be worth considering are offered by Air India and Qatar Airways, with the lowest prices starting at ₹ 89,736 and ₹ 95,334, respectively. Singapore Airlines is priced at 79% 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 (₹ 18,431), Air India (₹ 35,364), and Qatar Airways (₹ 53,740).

  • 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, November is the cheapest month in which you can book a flight from Kolkata to San Francisco (average of ₹ 86,484). Flying from Kolkata to San Francisco in January is currently the most expensive (average of ₹ 144,884). 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
Mountain View
Fairfield
Burlingame
Milpitas
Santa Clara

Browse thousands of different options on Cheapflights for your next trip

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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 21 April 2026.
Air India flights from Kolkata Netaji S. Chandra to San Francisco

Top 4 airlines flying from Kolkata to San Francisco

Discover the top 4 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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 22,331Average₹ 99,285FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest₹ 89,736Average₹ 128,761FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest₹ 95,334Average₹ 126,635FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
IndiGoCheapest₹ 95,545Average₹ 105,853FlexibilityNo cancel feeOn-time80%
Search IndiGo 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.

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