Cheap Flights from Kolkata to San Francisco, CA from $432

On Cheapflightsplus.com you will find 781 connecting flights from Kolkata to San Francisco. You can compare airfare deals from 23 airlines and multiple travel sites from $432, 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.

Find One-Way and Round-Trip Kolkata to San Francisco Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $432 (one-way), $741 (round-trip).
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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 Arrival Flight Details Flight Duration Price
02:25 — 18:20
00:55 — 03:25 AI2703 Air India
Kolkata — New Delhi
10h 5m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
28h 25m
including layover
Find flight
from$432
02:25 — 07:00
+1 day
00:55 — 03:25 AI2703 Air India
Kolkata — New Delhi
22h 5m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
41h 5m
including layover
Find flight
from$432
03:50 — 13:35
03:20 — 06:35 QR541 Qatar Airways
Kolkata — Doha
1h 45m stop
07:50 — 12:35 QR737 Qatar Airways
Doha — San Francisco
22h 15m
including layover
Find flight
from$789
05:00 — 18:00
05:00 — 08:00 QP1173 QP
Kolkata — Mumbai
5h 10m stop
13:10 — 18:00 AI179 Air India
Mumbai — San Francisco
25h 30m
including layover
Find flight
from$852
05:30 — 18:20
05:30 — 07:45 6E474 IndiGo
Kolkata — New Delhi
7h 15m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
25h 20m
including layover
Find flight
from$568
06:25 — 18:00
06:25 — 09:30 AI676 Air India
Kolkata — Mumbai
3h 40m stop
13:10 — 18:00 AI179 Air India
Mumbai — San Francisco
24h 5m
including layover
Find flight
from$432
06:25 — 18:20
06:25 — 08:45 6E2472 IndiGo
Kolkata — New Delhi
6h 5m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
24h 25m
including layover
Find flight
from$568
07:00 — 18:20
07:00 — 09:20 AI2720 Air India
Kolkata — New Delhi
5h 40m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
23h 50m
including layover
Find flight
from$432
07:00 — 07:00
+1 day
07:00 — 09:35 AI2720 Air India
Kolkata — New Delhi
17h 40m stop
04:00 — 06:00 AI173 Air India
New Delhi — San Francisco
36h 30m
including layover
Find flight
from$432
08:40 — 18:20
08:40 — 11:20 AI2778 Air India
Kolkata — New Delhi
3h 40m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
22h 10m
including layover
Find flight
from$432
08:40 — 07:00
+1 day
08:40 — 11:20 AI2778 Air India
Kolkata — New Delhi
15h 40m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
34h 50m
including layover
Find flight
from$432
09:55 — 18:20
09:55 — 12:30 AI2536 Air India
Kolkata — New Delhi
2h 30m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
20h 55m
including layover
Find flight
from$432
09:55 — 07:00
+1 day
09:55 — 12:30 AI2536 Air India
Kolkata — New Delhi
14h 30m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
33h 35m
including layover
Find flight
from$432
10:25 — 18:20
10:25 — 13:00 AI2706 Air India
Kolkata — New Delhi
2h stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
20h 25m
including layover
Find flight
from$432
10:25 — 07:00
+1 day
10:25 — 12:55 AI2706 Air India
Kolkata — New Delhi
14h stop
04:00 — 06:00 AI173 Air India
New Delhi — San Francisco
33h 5m
including layover
Find flight
from$432
12:40 — 07:00
+1 day
12:40 — 15:15 AI2770 Air India
Kolkata — New Delhi
11h 45m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
30h 50m
including layover
Find flight
from$432
12:40 — 18:20
+1 day
12:40 — 15:15 AI2770 Air India
Kolkata — New Delhi
23h 45m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
42h 10m
including layover
Find flight
from$435
14:30 — 07:00
+1 day
14:30 — 17:00 6E2396 IndiGo
Kolkata — New Delhi
10h stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
29h
including layover
Find flight
from$586
15:10 — 18:00
+1 day
15:10 — 18:10 AI2472 Air India
Kolkata — Mumbai
19h stop
13:10 — 18:00 AI179 Air India
Mumbai — San Francisco
39h 20m
including layover
Find flight
from$436
15:40 — 17:30
+1 day
15:40 — 18:15 IX2728 Air-India Express
Kolkata — Bangalore
18h 55m stop
13:10 — 17:30 AI175 Air India
Bangalore — San Francisco
38h 20m
including layover
Find flight
from$600
16:15 — 07:00
+1 day
16:15 — 18:50 AI2768 Air India
Kolkata — New Delhi
8h 10m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
27h 15m
including layover
Find flight
from$432
16:15 — 18:20
+1 day
16:15 — 18:50 AI2768 Air India
Kolkata — New Delhi
20h 10m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
38h 35m
including layover
Find flight
from$435
17:30 — 18:00
+1 day
17:30 — 20:25 AI2774 Air India
Kolkata — Mumbai
16h 45m stop
13:10 — 18:00 AI179 Air India
Mumbai — San Francisco
37h
including layover
Find flight
from$435
18:00 — 07:00
+1 day
18:00 — 20:25 6E6183 IndiGo
Kolkata — New Delhi
6h 35m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
25h 30m
including layover
Find flight
from$568
18:30 — 17:30
+1 day
18:30 — 21:10 IX1571 Air-India Express
Kolkata — Bangalore
16h stop
13:10 — 17:30 AI175 Air India
Bangalore — San Francisco
35h 30m
including layover
Find flight
from$610
19:25 — 07:00
+1 day
18:45 — 21:20 AI2738 Air India
Kolkata — New Delhi
4h 50m stop
04:00 — 06:00 AI173 Air India
New Delhi — San Francisco
24h 5m
including layover
Find flight
from$432
19:25 — 18:20
+1 day
18:45 — 21:20 AI2738 Air India
Kolkata — New Delhi
16h 50m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
35h 25m
including layover
Find flight
from$435
20:30 — 07:00
+1 day
20:25 — 22:55 AI2708 Air India
Kolkata — New Delhi
4h 5m stop
04:00 — 06:00 AI173 Air India
New Delhi — San Francisco
23h
including layover
Find flight
from$432
20:30 — 18:20
+1 day
20:30 — 22:55 AI2708 Air India
Kolkata — New Delhi
16h 5m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
34h 20m
including layover
Find flight
from$435
21:05 — 18:00
+1 day
21:05 — 23:55 QP1125 QP
Kolkata — Mumbai
13h 15m stop
13:10 — 18:00 AI179 Air India
Mumbai — San Francisco
33h 25m
including layover
Find flight
from$627
21:30 — 07:00
+1 day
21:30 — 00:05 6E2198 IndiGo
Kolkata — New Delhi
2h 55m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
22h
including layover
Find flight
from$568
22:45 — 07:00
+1 day
21:20 — 23:50 AI2710 Air India
Kolkata — New Delhi
1h 40m stop
03:00 — 07:00 AI173 Air India
New Delhi — San Francisco
20h 45m
including layover
Find flight
from$432
22:45 — 18:20
+1 day
21:20 — 23:50 AI2710 Air India
Kolkata — New Delhi
13h 40m stop
15:00 — 18:20 AI183 Air India
New Delhi — San Francisco
32h 5m
including layover
Find flight
from$435
23:30 — 09:40
+1 day
23:30 — 06:30 SQ517 Singapore Airlines
Kolkata — Singapore
2h 45m stop
09:15 — 09:40 SQ32 Singapore Airlines
Singapore — San Francisco
22h 40m
including layover
Find flight
from$764
23:40 — 17:30
+1 day
23:40 — 02:20 SG869 SpiceJet
Kolkata — Bangalore
11h stop
13:10 — 17:30 AI175 Air India
Bangalore — San Francisco
30h 20m
including layover
Find flight
from$632
*Departure and arrival times - local. Updated on July 7, 2025

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 23:40 from 1 Kolkata airport and arrive 00:05 to 23:40 to 3 San Francisco airports. Average flight time is 33h 10m.

  • The fastest flight 20h 25m
  • Average flight time 33h 10m
  • The earliest flight 00:05
  • The latest flight 23:40
  • Distance 7816 ml

The cheapest months to travel to San Francisco are october (from 432 $), august (from 435 $), september (from 471 $).

The most expensive months are january (from 982 $), december (from 723 $), february (from 664 $).

What is the lowest airfare Kolkata to San Francisco?

The cheapest plane ticket found by our users is $432. This airfare is for economy class on one-way AI2720 flight by Air India for October 7, 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
$432
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Business class
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First class
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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 - 39 departures per week at the price of from $ 789 . And the most expensive tickets are offered by Lufthansa airline - from $ 3711.

Direct flights

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

Connecting Flights

There are 781 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 $432.

  • QR - Qatar Airways
    from $789
    Find
  • JL - Japan Airlines - JAL
    from $668
    Find
  • AC - Air Canada
    from $2386
    Find
  • BG - Biman Bangladesh Airlines
    from $711
    Find
  • EK - Emirates
    from $706
    Find
  • AI - Air India
    from $432
    Find
  • H1 - Hahn Air Systems
    from $1062
    Find
  • AK - AirAsia
    from $714
    Find
  • LX - SWISS International Air Lines
    from $874
    Find
  • 6E - IndiGo
    from $510
    Find
  • IX - Air-India Express
    from $542
    Find
  • B3 - Bellview Airlines
    from $999
    Find
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 $432
    Find

San Francisco airports

  • San Francisco-SFO
    Find
  • Embarkadero-EMB
    Find
  • 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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