Cheap Flights from Kolkata to San Francisco, CA from $411

On Cheapflightsplus.com you will find 1000 connecting flights from Kolkata to San Francisco. You can compare airfare deals from 23 airlines and multiple travel sites from $411, book and save on cheap plane tickets and last minute offers. Also check out CCU-SFO flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Kolkata to San Francisco depends on and how to choose the most interesting flight option for you.

Distance between Kolkata and San Francisco is 12578 miles. Time difference between the cities is 1h30 minutes. Airplanes depart 00:05 to 23:45 from 1 Kolkata airport and arrive 00:05 to 23:45 to 3 San Francisco airports. Average flight time is 33h 18m.

  • The fastest flight 20h 25m
  • Average flight time 33h 18m
  • The earliest flight 00:05
  • The latest flight 23:45
  • Distance 7816 ml

The cheapest months to travel to San Francisco are october (from 411 $), august (from 414 $), september (from 448 $).

The most expensive months are january (from 933 $), december (from 687 $), february (from 631 $).

What is the lowest airfare Kolkata to San Francisco?

The cheapest plane ticket found by our users is $411. This airfare is for economy class on one-way AI2720 flight by Air India for June 13, 2025 which leaves Netaji Subhas Chandra Bose in Kolkata at 07:00 am and arrives at San Francisco San Francisco at 07:00.

Economy class
$411
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Business class
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First class
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Flight Schedule Kolkata to San Francisco (California)

02:25 — 18:20
28h 25m flight time
Find flight
from$411
00:55 — 03:25 Kolkata — New Delhi
AI2703 Air India
10h 5m stop
15:00 — 18:20 New Delhi — San Francisco
AI183 Air India
02:25 — 07:00+1day
41h 5m flight time
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from$411
00:55 — 03:25 Kolkata — New Delhi
AI2703 Air India
22h 5m stop
03:00 — 07:00 New Delhi — San Francisco
AI173 Air India
06:25 — 18:00
24h 5m flight time
Find flight
from$411
06:25 — 09:30 Kolkata — Mumbai
AI676 Air India
3h 40m stop
13:10 — 18:00 Mumbai — San Francisco
AI179 Air India
07:00 — 18:20
23h 50m flight time
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from$411
07:00 — 09:20 Kolkata — New Delhi
AI2720 Air India
5h 40m stop
15:00 — 18:20 New Delhi — San Francisco
AI183 Air India
07:00 — 07:00+1day
36h 30m flight time
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from$411
07:00 — 09:35 Kolkata — New Delhi
AI2720 Air India
17h 40m stop
04:00 — 06:00 New Delhi — San Francisco
AI173 Air India
08:40 — 18:20
22h 10m flight time
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from$411
08:40 — 11:20 Kolkata — New Delhi
AI2778 Air India
3h 40m stop
15:00 — 18:20 New Delhi — San Francisco
AI183 Air India
08:40 — 07:00+1day
34h 50m flight time
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from$411
08:40 — 11:20 Kolkata — New Delhi
AI2778 Air India
15h 40m stop
03:00 — 07:00 New Delhi — San Francisco
AI173 Air India
09:55 — 18:20
20h 55m flight time
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from$411
09:55 — 12:30 Kolkata — New Delhi
AI2536 Air India
2h 30m stop
15:00 — 18:20 New Delhi — San Francisco
AI183 Air India
09:55 — 07:00+1day
33h 35m flight time
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from$411
09:55 — 12:30 Kolkata — New Delhi
AI2536 Air India
14h 30m stop
03:00 — 07:00 New Delhi — San Francisco
AI173 Air India
10:25 — 18:20
20h 25m flight time
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from$411
10:25 — 13:00 Kolkata — New Delhi
AI2706 Air India
2h stop
15:00 — 18:20 New Delhi — San Francisco
AI183 Air India
10:25 — 07:00+1day
33h 5m flight time
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from$411
10:25 — 12:55 Kolkata — New Delhi
AI2706 Air India
14h stop
04:00 — 06:00 New Delhi — San Francisco
AI173 Air India
12:40 — 07:00+1day
30h 50m flight time
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from$411
12:40 — 15:15 Kolkata — New Delhi
AI2770 Air India
11h 45m stop
03:00 — 07:00 New Delhi — San Francisco
AI173 Air India
16:15 — 07:00+1day
27h 15m flight time
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from$411
16:15 — 18:50 Kolkata — New Delhi
AI2768 Air India
8h 10m stop
03:00 — 07:00 New Delhi — San Francisco
AI173 Air India
19:25 — 07:00+1day
24h 5m flight time
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from$411
18:45 — 21:20 Kolkata — New Delhi
AI2738 Air India
4h 50m stop
04:00 — 06:00 New Delhi — San Francisco
AI173 Air India
20:30 — 07:00+1day
23h flight time
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from$411
20:25 — 22:55 Kolkata — New Delhi
AI2708 Air India
4h 5m stop
04:00 — 06:00 New Delhi — San Francisco
AI173 Air India
Full flight schedule will help you in detecting at what time planes fly from Kolkata to San Francisco. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 13, 2025.

Popular Airlines on the Route

The flight Kolkata — San Francisco is served by 23 regular airlines and 8 low-cost airlines. Most of the flights on this route are operated by Qatar Airways - 55 departures per week at the price of from $ 544 . And the most expensive tickets are offered by Etihad Airways airline - from $ 3317.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 1000 flights with layovers on the route. The fastest connecting flight is AI2706 by Air India takes 20h 25m and the cheapest is AI2720 by Air India for $411.

  • QR - Qatar Airways
    from $544
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  • JL - Japan Airlines - JAL
    from $635
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  • AC - Air Canada
    from $1257
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  • BG - Biman Bangladesh Airlines
    from $663
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  • EK - Emirates
    from $667
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  • AI - Air India
    from $411
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  • H1 - Hahn Air Systems
    from $1010
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  • AK - AirAsia
    from $660
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  • LX - SWISS International Air Lines
    from $819
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  • 6E - IndiGo
    from $485
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  • IX - Air-India Express
    from $515
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  • B3 - Bellview Airlines
    from $670
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See more connecting flights

Airports

You can fly from Kolkata to San Francisco from 1 airports (Netaji Subhas Chandra Bose).

Kolkata airports

  • Netaji Subhas Chandra Bose-CCU
    from $411
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San Francisco airports

  • San Francisco-SFO
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  • Embarkadero-EMB
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  • China Basin Heliport-JCC
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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