HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$522+ Cheap flights from Kolkata (CCU) to San Francisco (SFO)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SFO
fev 28 — mar 71
sáb 2/28
sáb 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kolkata to San Francisco 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.

Cheap flight deals from Kolkata to San Francisco

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 janeiro 29, 2026.

This EaseMyTrip deal was found by Cheapflights users on 1/28. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 4/2311:30 pm
CCU
-
SFO
1 stop22h 10m
Singapore Airlines
sáb 5/211:00 am
SFO
-
CCU
1 stop22h 45m
Singapore Airlines
Deal found 1/28$786
This oojo deal was found by Cheapflights users on 1/27. 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.
seg 4/1311:30 pm
CCU
-
SFO
1 stop22h 10m
Singapore Airlines
dom 5/2411:00 am
SFO
-
CCU
1 stop23h 05m
Singapore Airlines
Deal found 1/27$820
This Air India deal was found by Cheapflights users on 1/28. 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 Air India is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/76:55 pm
CCU
-
SFO
1 stop33h 05m
Air India
seg 2/164:30 pm
SFO
-
CCU
1 stop26h 25m
Air India
Deal found 1/28$828
This Singapore Airlines deal was found by Cheapflights users on 1/27. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 4/1811:40 pm
CCU
-
SFO
1 stop46h 00m
Singapore Airlines
qui 5/2111:00 am
SFO
-
CCU
1 stop22h 45m
Singapore Airlines
Deal found 1/27$869
This FlightHub deal was found by Cheapflights users on 1/28. 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.
seg 3/99:00 pm
CCU
-
SFO
1 stop28h 55m
Multiple Airlines
dom 4/2610:50 pm
SFO
-
CCU
2 stops34h 50m
Multiple Airlines
Deal found 1/28$912
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/223:55 pm
CCU
-
SFO
1 stop27h 35m
Multiple Airlines
seg 9/1411:45 am
SFO
-
CCU
1 stop22h 20m
Multiple Airlines
Deal found 1/26$915
This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/2212:30 am
CCU
-
SFO
1 stop27h 35m
Multiple Airlines
qui 9/1011:45 am
SFO
-
CCU
1 stop22h 20m
Multiple Airlines
Deal found 1/28$916
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 5/2012:30 am
CCU
-
SFO
1 stop27h 35m
Multiple Airlines
sáb 9/2611:45 am
SFO
-
CCU
1 stop22h 00m
Multiple Airlines
Deal found 1/26$917
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/2210:30 am
CCU
-
SFO
1 stop33h 00m
Multiple Airlines
seg 9/2111:45 am
SFO
-
CCU
1 stop22h 20m
Multiple Airlines
Deal found 1/27$918

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 janeiro 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$786
(EaseMyTrip)

One-way from

$522
(FlightHub)

Popular in

January

Cheapest in

November

Average price

$1,558
Provider with most accurate pricing for Kolkata Netaji S. Chandra-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kolkata Netaji S. Chandra-San Francisco flights.
Search Deals
From Kolkata Netaji S. Chandra to San Francisco
Search Deals
One-way flight from Kolkata Netaji S. Chandra to San Francisco
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated janeiro 29, 2026.
Use the filters below to find and compare flights from Kolkata to San Francisco that are best for you.

Fly from

Kolkata

Fly to

San Francisco

Route

Depart

Return

Price

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

qui 5/21

7:00 pm-12:50 pm

2 stops30h 20m

San Francisco

sáb 9/26

1:45 pm-8:05 am

2 stops29h 50m

$925

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

ter 4/21

7:00 pm-11:45 am

2 stops29h 15m

San Francisco

seg 9/14

1:45 pm-8:25 am

2 stops30h 10m

$926

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

sáb 5/16

10:30 pm-6:00 pm

2 stops56h 00m

San Francisco

dom 9/13

1:45 pm-8:25 am

2 stops30h 10m

$985

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

qua 4/22

7:05 pm-11:45 am

2 stops29h 10m

San Francisco

sex 9/11

1:45 pm-8:25 am

2 stops30h 10m

$986

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

qui 4/23

7:05 pm-11:45 am

2 stops29h 10m

San Francisco

qua 9/16

1:45 pm-7:30 am

2 stops29h 15m

$1,052

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

qui 4/23

7:05 pm-11:45 am

2 stops29h 10m

San Francisco

sex 9/11

1:45 pm-8:25 am

2 stops30h 10m

$1,052

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

qui 4/23

7:05 pm-11:45 am

2 stops29h 10m

San Francisco

qui 9/10

1:45 pm-8:25 am

2 stops30h 10m

$1,052

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

qui 4/23

7:05 pm-11:45 am

2 stops29h 10m

San Francisco

ter 9/15

1:45 pm-7:30 am

2 stops29h 15m

$1,052

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

sáb 2/28

6:30 pm-11:50 am

2 stops30h 50m

San Francisco

ter 3/31

1:45 pm-7:30 am

2 stops29h 15m

$1,123

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

dom 4/26

8:55 pm-2:00 pm

1 stop29h 35m

San Francisco

ter 9/8

5:05 pm-8:10 am

1 stop26h 35m

$1,130

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Kolkata to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kolkata to San Francisco in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kolkata-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kolkata-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kolkata-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kolkata-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kolkata-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 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 round-trip flight from Kolkata to San Francisco. Price data was last updated on January 23, 2026.

The price you pay for your flight from Kolkata to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $237). Flying from Kolkata to San Francisco in August is currently the most expensive (average of $1,122). 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 to fly round-trip 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 janeiro 29, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines, Emirates, and Qatar Airways from Kolkata to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

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
1,440 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

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.
Emirates
8.1
Very good
3,490 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

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
3,727 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

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
2,978 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Comfort

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

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?

    KLM can get you from Kolkata to San Francisco in just under 30h 20m. Your travel time can differ by up to . Kolkata and San Francisco are separated by a distance of 7810 mi.

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

    Cheapflights users have booked flights from Kolkata to San Francisco round-trip from $707. Other airlines that can offer you cheap pricing are Air India, from $781, and Qatar Airways, from $1,008. Users have found that Singapore Airlines is 40% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $350. Air India flights start at $405 while deals on Qatar Airways start at $558 one-way.

  • 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 vacation 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 $237). Flying from Kolkata to San Francisco in August is currently the most expensive (average of $1,122). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

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.

Alternative routes for Kolkata to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Kolkata to Los Angeles flights
Kolkata to San Jose flights
Kolkata to Las Vegas flights
Kolkata to Oakland flights
Kolkata to San Diego flights

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 2,558,603 searches. Data last updated janeiro 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$707Average$1,090FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$781Average$989FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,008Average$1,233FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,148Average$1,279FlexibilityNo cancel feeOn-time75%

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.