Cheap flights from Kolkata to San Francisco from ₹ 35,635
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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SFO
6 Ara — 13 Ara1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to San Francisco are usually found in June or September, booked 36 days in advance, depart on a Sunday or Tuesday and return on a Sunday
Find 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 6 Kasım 2025.
Per 4/1207:05CCU - SFO
1 stop44h 55mAir India
Çar 8/420:30SFO - CCU
1 stop29h 30mAir India
Deal found 5/11₹ 66,661
Per 4/1223:00CCU - SFO
2 stops29h 00mAir India
Cum 17/410:00SFO - CCU
1 stop25h 45mAir India
Deal found 5/11₹ 66,750
Cum 5/1223:00CCU - SFO
2 stops29h 00mAir India
Cum 17/410:00SFO - CCU
1 stop34h 25mAir India
Deal found 4/11₹ 66,839
Cum 5/1215:10CCU - SFO
2 stops36h 50mAir India
Per 16/422:45SFO - CCU
2 stops29h 35mAir India
Deal found 4/11₹ 72,955
Sal 11/1121:30CCU - SFO
2 stops29h 25mMultiple Airlines
Çar 21/113:55SFO - CCU
2 stops27h 45mMultiple Airlines
Deal found 3/11₹ 74,107
Sal 23/1220:15CCU - SFO
2 stops29h 05mKLM
Paz 1/313:55SFO - CCU
2 stops28h 20mKLM
Deal found 4/11₹ 74,196
Paz 23/1100:30CCU - SFO
1 stop25h 25mAir India
Per 23/420:30SFO - CCU
1 stop31h 50mAir India
Deal found 5/11₹ 76,767
Per 4/1217:30CCU - SFO
2 stops34h 30mMultiple Airlines
Çar 8/418:50SFO - CCU
2 stops27h 25mMultiple Airlines
Deal found 5/11₹ 77,653
Pzt 15/1220:35CCU - SFO
2 stops31h 25mAir India
Pzt 4/510:00SFO - CCU
1 stop24h 45mAir India
Deal found 4/11₹ 77,831
Çar 24/1205:00CCU - SFO
2 stops47h 00mAir India
Çar 1/410:00SFO - CCU
1 stop29h 45mAir India
Deal found 4/11₹ 78,008
Best flights from Kolkata to San Francisco
Discover carefully curated flight deals from Kolkata to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 Kasım 2025.
Cum 5/1223:00CCU - SFO
2 stops29h 00mAir India
Cum 17/410:00SFO - CCU
1 stop25h 45mAir India
Deal found 5/11₹ 66,750
Çar 3/1221:30CCU - SFO
2 stops29h 25mMultiple Airlines
Per 16/413:45SFO - CCU
2 stops29h 15mMultiple Airlines
Deal found 5/11₹ 82,617
Per 4/1218:30CCU - SFO
2 stops30h 50mKLM
Cum 17/413:45SFO - CCU
2 stops30h 50mKLM
Deal found 5/11₹ 82,617
Paz 21/1203:25CCU - SFO
1 stop22h 45mQatar Airways
Çar 25/215:00SFO - CCU
1 stop21h 25mQatar Airways
Deal found 4/11₹ 94,053
Per 4/1223:00CCU - SFO
2 stops29h 00mAir India
Per 16/410:00SFO - CCU
1 stop24h 45mAir India
Deal found 5/11₹ 66,750
Cum 5/1223:00CCU - SFO
2 stops29h 00mAir India
Per 16/420:30SFO - CCU
1 stop31h 50mAir India
Deal found 5/11₹ 66,750
Sal 16/1220:15CCU - SFO
2 stops30h 40mKLM
Sal 6/113:55SFO - CCU
2 stops27h 45mKLM
Deal found 5/11₹ 88,291
Cum 5/1223:00CCU - SFO
2 stops29h 00mMultiple Airlines
Cum 17/423:30SFO - CCU
2 stops40h 35mMultiple Airlines
Deal found 5/11₹ 88,645
Per 18/1203:25CCU - SFO
1 stop22h 45mQatar Airways
Sal 6/115:00SFO - CCU
1 stop21h 25mQatar Airways
Deal found 5/11₹ 96,801
Çar 3/1200:30CCU - SFO
2 stops29h 45mMultiple Airlines
Per 16/410:00SFO - CCU
1 stop24h 45mMultiple Airlines
Deal found 5/11₹ 93,964
Çar 3/1200:30CCU - SFO
2 stops29h 45mMultiple Airlines
Cum 17/421:00SFO - CCU
1 stop22h 10mMultiple Airlines
Deal found 5/11₹ 95,294
Last-minute flights from Kolkata to San Francisco
Discover last-minute flight deals from Kolkata to San Francisco. Data last updated 6 Kasım 2025 and is based on user searches.
Sal 11/1121:30CCU - SFO
2 stops29h 25mMultiple Airlines
Çar 21/113:55SFO - CCU
2 stops27h 45mMultiple Airlines
Deal found 3/11₹ 74,107
Paz 23/1100:30CCU - SFO
1 stop25h 25mAir India
Per 23/420:30SFO - CCU
1 stop31h 50mAir India
Deal found 5/11₹ 76,767
Per 4/1207:05CCU - SFO
1 stop44h 55mAir India
Çar 8/420:30SFO - CCU
1 stop29h 30mAir India
Deal found 5/11₹ 66,661
Per 4/1223:00CCU - SFO
2 stops29h 00mAir India
Cum 17/410:00SFO - CCU
1 stop25h 45mAir India
Deal found 5/11₹ 66,750
Per 4/1217:30CCU - SFO
2 stops34h 30mMultiple Airlines
Çar 8/418:50SFO - CCU
2 stops27h 25mMultiple Airlines
Deal found 5/11₹ 77,653
Cum 5/1223:00CCU - SFO
2 stops29h 00mAir India
Cum 17/410:00SFO - CCU
1 stop34h 25mAir India
Deal found 4/11₹ 66,839
Cum 5/1215:10CCU - SFO
2 stops36h 50mAir India
Per 16/422:45SFO - CCU
2 stops29h 35mAir India
Deal found 4/11₹ 72,955
Pzt 15/1220:35CCU - SFO
2 stops31h 25mAir India
Pzt 4/510:00SFO - CCU
1 stop24h 45mAir India
Deal found 4/11₹ 77,831
Sal 23/1220:15CCU - SFO
2 stops29h 05mKLM
Paz 1/313:55SFO - CCU
2 stops28h 20mKLM
Deal found 4/11₹ 74,196
Çar 24/1205:00CCU - SFO
2 stops47h 00mAir India
Çar 1/410:00SFO - CCU
1 stop29h 45mAir India
Deal found 4/11₹ 78,008
One-way flights from Kolkata to San Francisco
Search for one-way flight options from Kolkata to San Francisco. Find affordable one-way fares based on user searches. Data last updated 6 Kasım 2025.
Per 4/1210:30CCU - SFO
1 stop41h 30mAir India
Deal found 4/11₹ 35,635
Sal 27/108:55CCU - SFO
2 stops45h 35mMultiple Airlines
Deal found 4/11₹ 40,777
Çar 10/1216:40CCU - SFO
2 stops35h 20mAir India
Deal found 4/11₹ 41,043
Cmt 31/111:35CCU - SFO
2 stops40h 25mAir India
Deal found 4/11₹ 41,220
Pzt 10/1122:30CCU - SFO
2 stops31h 45mIndiGo
Deal found 4/11₹ 41,663
Çar 12/1122:30CCU - SFO
2 stops31h 45mIndiGo
Deal found 5/11₹ 41,752
Çar 12/1121:00CCU - SFO
1 stop28h 30mAir India
Deal found 4/11₹ 41,841
Cmt 13/1211:35CCU - SFO
1 stop40h 25mAir India
Deal found 5/11₹ 41,929
Pzt 2/222:00CCU - SFO
2 stops56h 30mMultiple Airlines
Deal found 4/11₹ 42,638
Cheap 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 6 Kasım 2025.
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 6 Kasım 2025.
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
Cum 5/12
23:00-14:30
2 stops29h 00m
San Francisco
Cum 17/4
10:00-00:15
1 stop25h 45m
₹ 66,750
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Per 4/12
23:00-14:30
2 stops29h 00m
San Francisco
Per 16/4
10:00-23:15
1 stop24h 45m
₹ 66,750
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Cum 5/12
23:00-14:30
2 stops29h 00m
San Francisco
Per 16/4
20:30-16:50
1 stop31h 50m
₹ 66,750
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Çar 3/12
21:30-13:25
2 stops29h 25m
San Francisco
Per 16/4
13:45-07:30
2 stops29h 15m
₹ 82,617
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Per 4/12
18:30-11:50
2 stops30h 50m
San Francisco
Cum 17/4
13:45-09:05
2 stops30h 50m
₹ 82,617
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Sal 16/12
20:15-13:25
2 stops30h 40m
San Francisco
Sal 6/1
13:55-07:10
2 stops27h 45m
₹ 88,291
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Cum 5/12
23:00-14:30
2 stops29h 00m
San Francisco
Cum 17/4
23:30-04:35
2 stops40h 35m
₹ 88,645
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Çar 3/12
00:30-16:45
2 stops29h 45m
San Francisco
Per 16/4
10:00-23:15
1 stop24h 45m
₹ 93,964
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Paz 21/12
03:25-12:40
1 stop22h 45m
San Francisco
Çar 25/2
15:00-01:55
1 stop21h 25m
₹ 94,053
KolkataSan Francisco
CCU - SFO
CCUSFO
Kolkata Netaji S. Chandra
Çar 3/12
00:30-16:45
2 stops29h 45m
San Francisco
Cum 17/4
21:00-07:40
1 stop22h 10m
₹ 95,294
Flights are sorted by cheapest return flights first.
Deals found on 4/11
Showing 1-10 of 20 results
1
2
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
Prices
Delays
More
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 31 October 2025.
To ensure you get the cheapest price possible for a flight from Kolkata to San Francisco, you should look to book at least 36 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 ₹ 38,649). Flying from Kolkata to San Francisco in August is currently the most expensive (average of ₹ 99,726). 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 CCU to SFO?
Find hourly flight availability from Kolkata to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 Kasım 2025.
When flying from Kolkata to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Kolkata to San Francisco delayed?
About 66% of weekly flights between Kolkata and San Francisco have experienced delays in the past year, with the average delay time being 187 minutes.
What is the most punctual flight time for Kolkata to San Francisco flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Kolkata to San Francisco flights?
Over the past year, Air India have had the lowest number of delays on this route, with just 66% of flights being delayed.
What’s the top stopover airport for flights from Kolkata to San Francisco?
Share of one-stop return flights from Kolkata to San Francisco chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 34% of one-stop itineraries from Kolkata to San Francisco on Cheapflights.
What’s the fastest stopover option from Kolkata to San Francisco?
Shortest average travel time for one-stop one-way flights from Kolkata to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Bengaluru (BLR) have the shortest average one-way travel time for one-stop routes: 21h 15m.
What’s the fastest stopover option from Kolkata to San Francisco?
Shortest average travel time for one-stop one-way flights from Kolkata to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Bengaluru (BLR) have the shortest average one-way travel time for one-stop routes: 21h 15m.
Which airport typically offers the quickest stopover for flights from Kolkata to San Francisco?
Average stopover duration for one-stop one-way flights from Kolkata to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Doha (DOH) offer the fastest connection on this route, with an average stopover time of 1h 20m.
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 6 Kasım 2025.
See what other customers who have flown with Emirates, Singapore Airlines, 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.
Overall it was wonderfull for the amount I paid for.
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 29h. 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 ₹ 62,041. Additional round-trip tickets that might be worth considering are offered by Qatar Airways and Air India, with the lowest prices starting at ₹ 74,861 and ₹ 81,370, respectively. Singapore Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.
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 ₹ 38,649). Flying from Kolkata to San Francisco in August is currently the most expensive (average of ₹ 99,726). 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.
Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Mountain View
Fairfield
Burlingame
Milpitas
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 6 Kasım 2025.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 Kasım 2025.
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 6 Kasım 2025.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.