Are direct flights from San Francisco to Kolkata always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, connecting flights can often be more budget-friendly, especially for longer distances. The 'best' option depends on your priorities regarding cost versus travel duration and comfort.

Can flexible travel dates help on San Francisco to Kolkata flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons usually offers more affordable fares than weekends or popular holidays. Adjusting your departure or return by even a few days may result in savings.

What extra costs should I check before booking San Francisco to Kolkata flights?

Always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From San Francisco

To Kolkata

Cheap Flights from San Francisco to Kolkata

Browse current best options from San Francisco. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

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RatePunk searches hundreds of travel sites at once for deals on flights to Kolkata

Prices updated 1 day ago

462 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from San Francisco to Kolkata

Explore current cheapest deals departing from San Francisco to Kolkata

2027-02-01 – 2027-02-22
SFO - Kolkata
83% AI deal score
$929
$819
Round trip
2027-02-12 – 2027-02-26
SFO - Kolkata
80% AI deal score
$927
$857
Round trip
2027-03-12 – 2027-03-26
SFO - Kolkata
92% AI deal score
$1,199
$857
Round trip
2026-09-19 – 2026-09-27
SFO - Kolkata
88% AI deal score
$1,210
$882
Round trip
2026-10-12 – 2026-10-23
SFO - Kolkata
87% AI deal score
$1,086
$883
Round trip
2026-10-12 – 2026-10-25
SFO - Kolkata
81% AI deal score
$1,077
$919
Round trip
2026-11-06 – 2026-11-10
SFO - Kolkata
79% AI deal score
$1,120
$991
Round trip
2027-02-10 – 2027-02-17
SFO - Kolkata
76% AI deal score
$934
$1,019
Round trip
2026-10-14 – 2026-10-29
SFO - Kolkata
76% AI deal score
$1,070
$1,036
Round trip
2026-10-14 – 2026-10-22
SFO - Kolkata
77% AI deal score
$1,099
$1,039
Round trip

San Francisco to Kolkata: Overview

Insights for flights from San Francisco to Kolkata

A typical journey from San Francisco to Kolkata takes about 61h 25m including connections. This reflects the reality of long-haul international travel, where most itineraries involve multiple layovers. Given the significant distance, travelers should plan for a substantial amount of time in transit.

For those seeking cheap flights from San Francisco to Kolkata, prices typically range from $1481–$1957, with a median of $1611. Right now, current fares are significantly below the typical level, indicating a potentially favorable time to book. However, the share of recent fares classified as a good price is 0%, suggesting that while some fares are lower, widely available deals are not common.

When is the cheapest time to fly from San Francisco to Kolkata? You'll find the lowest median fares in May, with prices around $605. April also offers more affordable options, with a median fare of $738. Another relatively inexpensive month is October, where the median fare is $803. These months present the best opportunities for more budget-friendly travel.

Most itineraries from San Francisco to Kolkata are connecting flights, as 0% of recent fares were non-stop. This means travelers should expect at least one stopover, with a median of 3 connections for itineraries that are not direct. Planning for these layovers is essential when considering the overall travel time and experience.

The route from San Francisco to Kolkata covers a substantial distance of 12577 km, classifying it as a long-haul journey. This considerable distance necessitates extended flight times and often involves multiple connections, making it a significant international trip.

How much is a round trip from San Francisco to Kolkata

Regular price: $833 - $1,927

Prices for flights from San Francisco to Kolkata are currently within the regular range.

The regular price range for this route is between $833 and $1927. The current lowest deal is $853 with Singapore Airlines, for travel from Feb 12-Feb 26.

now $853

Low $833

High $1,927

The cheapest time to fly from San Francisco to Kolkata

The cheapest month to fly from San Francisco to Kolkata is May, with a median price of $605. The most expensive month is June, with a median price of $1995. Prices are generally lower from January to October.

May

Cheapest

Flights from $605

June

Most Expensive

Flights from $1,995

Jan

Feb

Apr

May

Jun

Jul

Sep

Oct

Nov

Dec

Direct flights from San Francisco to Kolkata

Korean Air

Qatar Airways

China Airlines

China Eastern Airlines

Last-minute flights going from San Francisco to Kolkata

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

Etihad Airways

$1,226

$1,054

One-way

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

$1,216

$1,117

One-way

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

$1,308

$1,258

One-way

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

2GO

$1,307

$1,315

One-way

Wed, Sep 16

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

$1,307

$1,258

One-way

Thu, Sep 17

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

Qatar Airways

$1,508

$1,480

One-way

Biggest price drops on these dates for flights from San Francisco to Kolkata

8 nights

Sep 19 - Sep 27

$1,249 → $913

27%

14 nights

Mar 12 - Mar 26

$1,185 → $853

28%

10 nights

Dec 1 - Dec 11

$1,283 → $1,027

20%

16 nights

Dec 5 - Dec 21

$1,293 → $1,046

19%

Popular Airports to fly from San Francisco to Kolkata

San Francisco - Kolkata route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from SFO to CCU are below the typical level, with a median price of $1611.

📅 Best time to fly

Fly in May for the best prices

Historically, May offers the lowest median price at $605, followed by April at $738.

⏱️ Flight duration

Expect a long-haul journey

Flights to Kolkata typically take 61h 25m, classifying this as a long-haul route.

✈️ Airlines & availability

Connecting flights are standard

There are no direct flights; expect at least 3 stopovers for this route.

🏆 Airline highlight

Singapore Airlines offers a recent deal

A recent deal from Singapore Airlines was found for $853 via Skyscanner.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from San Francisco to Kolkata are available on a regular basis.

San Francisco main airports to depart from

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a major hub for flights to Kolkata, offering competitive prices.

📍 ~18 km from San Francisco city center (reachable by car or train)

💸 Flights from ~$826

Kolkata main airports to arrive at

Netaji Subhas Chandra Bose International (CCU)

Cheapest

Netaji Subhas Chandra Bose International Airport is a good choice for reaching Kolkata.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$825

Airports nearby Kolkata used as alternative

Kazi Nazrul Islam (RDP)

Kazi Nazrul Islam Airport can be a useful alternative, offering domestic flights within the same state.

📍 ~170 km from Kolkata (reachable by road and rail)

💸 Flights from ~$992

Business & First Class Flight Deals to Kolkata

Discover luxury on the budget with premium cabin class on flights from San Francisco to Kolkata.

Elite

Best Elite deals to Kolkata

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SFO

Elite

Nov 15

Kolkata, India

93% AI deal score

$7,187

$4,199

Save $2,988

Air Canada, +1

Business Class

From SFO

Elite

Nov 14

Kolkata, India

93% AI deal score

$7,171

$4,233

Save $2,938

Air Canada, +1

Business Class

From SFO

Elite

Sep 21

Kolkata, India

93% AI deal score

$7,614

$4,234

Save $3,380

Air Canada, +1

Business Class

From SFO

Elite

Sep 22

Kolkata, India

93% AI deal score

$7,617

$4,234

Save $3,383

Air Canada, +1

Business Class

From SFO

Elite

Sep 23

Kolkata, India

93% AI deal score

$7,848

$4,234

Save $3,614

Air Canada, +1

Business Class

From SFO

Elite

Nov 23

Kolkata, India

93% AI deal score

$19,798

$12,749

Save $7,049

Alaska Airlines, Inc., +1

Business Class

From SFO

Elite

Oct 27

Kolkata, India

92% AI deal score

$6,797

$4,134

Save $2,663

Air Canada, +1

Business Class

From SFO

Elite

Oct 26

Kolkata, India

92% AI deal score

$6,797

$4,134

Save $2,663

Air Canada, +1

Business Class

From SFO

Elite

Oct 30

Kolkata, India

92% AI deal score

$6,782

$4,233

Save $2,549

Air Canada, +1

Business Class

From SFO

Elite

Oct 29

Kolkata, India

92% AI deal score

$6,793

$4,233

Save $2,560

Air Canada, +1

Business Class

From SFO

Elite

Sep 22

Kolkata, India

92% AI deal score

$7,557

$4,436

Save $3,121

Air Canada, +1

Business Class

From SFO

Elite

Sep 21

Kolkata, India

92% AI deal score

$7,585

$4,436

Save $3,149

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Kolkata

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help uncover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking in advance often provides more options and potentially lower prices, though last-minute deals can sometimes appear. Prices can fluctuate, so monitoring fares over time may help you decide on an optimal booking window. Weekday bookings might also offer different pricing compared to weekends.

Comparing nearby airports can sometimes reveal alternative flight options or different pricing. While it may add travel time to your final destination, the potential savings could be worthwhile. Always consider the total cost and convenience when evaluating this option.

Related routes

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Flights to Kolkata from other cities

Flights from Atlanta to Kolkata Flights from Brisbane to Kolkata Flights from Calgary to Kolkata Flights from Edmonton to Kolkata Flights from Montreal to Kolkata Flights from Singapore to Kolkata Flights from Sydney to Kolkata Flights from Tampa to Kolkata Flights from Tokyo to Kolkata Flights from Toronto to Kolkata Flights from Vancouver to Kolkata Flights from Washington, D.C. to Kolkata

San Francisco to Kolkata: Overview

Insights for flights from San Francisco to Kolkata

How much is a round trip from San Francisco to Kolkata

Regular price: $833 - $1,927

Prices for flights from San Francisco to Kolkata are currently within the regular range.

The regular price range for this route is between $833 and $1927. The current lowest deal is $853 with Singapore Airlines, for travel from Feb 12-Feb 26.

now $853

Low $833

High $1,927

The cheapest time to fly from San Francisco to Kolkata

May

Cheapest

Flights from $605

June

Most Expensive

Flights from $1,995

Jan

Feb

Apr

May

Jun

Jul

Sep

Oct

Nov

Dec

Direct flights from San Francisco to Kolkata

Korean Air

Qatar Airways

China Airlines

China Eastern Airlines

Last-minute flights going from San Francisco to Kolkata

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

Etihad Airways

$1,226

$1,054

One-way

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

$1,216

$1,117

One-way

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

$1,308

$1,258

One-way

Tue, Sep 15

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

2GO

$1,307

$1,315

One-way

Wed, Sep 16

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

$1,307

$1,258

One-way

Thu, Sep 17

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

Qatar Airways

$1,508

$1,480

One-way

Biggest price drops on these dates for flights from San Francisco to Kolkata

8 nights

Sep 19 - Sep 27

$1,249 → $913

27%

14 nights

Mar 12 - Mar 26

$1,185 → $853

28%

10 nights

Dec 1 - Dec 11

$1,283 → $1,027

20%

16 nights

Dec 5 - Dec 21

$1,293 → $1,046

19%

Popular Airports to fly from San Francisco to Kolkata

San Francisco - Kolkata route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from SFO to CCU are below the typical level, with a median price of $1611.

📅 Best time to fly

Fly in May for the best prices

Historically, May offers the lowest median price at $605, followed by April at $738.

⏱️ Flight duration

Expect a long-haul journey

Flights to Kolkata typically take 61h 25m, classifying this as a long-haul route.

✈️ Airlines & availability

Connecting flights are standard

There are no direct flights; expect at least 3 stopovers for this route.

🏆 Airline highlight

Singapore Airlines offers a recent deal

A recent deal from Singapore Airlines was found for $853 via Skyscanner.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from San Francisco to Kolkata are available on a regular basis.

San Francisco main airports to depart from

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a major hub for flights to Kolkata, offering competitive prices.

📍 ~18 km from San Francisco city center (reachable by car or train)

💸 Flights from ~$826

Kolkata main airports to arrive at

Netaji Subhas Chandra Bose International (CCU)

Cheapest

Netaji Subhas Chandra Bose International Airport is a good choice for reaching Kolkata.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$825

Airports nearby Kolkata used as alternative

Kazi Nazrul Islam (RDP)

Kazi Nazrul Islam Airport can be a useful alternative, offering domestic flights within the same state.

Kolkata, India

92% AI deal score

$7,585

$4,436

Save $3,149

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Kolkata

Cheap Flights from San Francisco to Kolkata

Today’s best flight deals from San Francisco to Kolkata

San Francisco to Kolkata: Overview

Insights for flights from San Francisco to Kolkata

How much is a round trip from San Francisco to Kolkata

The cheapest time to fly from San Francisco to Kolkata

Direct flights from San Francisco to Kolkata

Last-minute flights going from San Francisco to Kolkata

Biggest price drops on these dates for flights from San Francisco to Kolkata

Popular Airports to fly from San Francisco to Kolkata

San Francisco - Kolkata route insights

Recent fares are below the typical level

Fly in May for the best prices

Expect a long-haul journey

Connecting flights are standard

Singapore Airlines offers a recent deal

Deals appear regularly for this route

San Francisco main airports to depart from

Kolkata main airports to arrive at

Airports nearby Kolkata used as alternative

Business & First Class Flight Deals to Kolkata

Best Elite deals to Kolkata

Nov 15

Nov 14

Sep 21

Sep 22

Sep 23

Nov 23

Oct 27

Oct 26

Oct 30

Oct 29

Sep 22

Sep 21

Frequently Asked Questions About Flights to Kolkata

How can I find cheap flights from San Francisco to Kolkata?

When should I book flights from San Francisco to Kolkata?

Should I compare nearby airports for flights from San Francisco to Kolkata?

Are direct flights from San Francisco to Kolkata always the best option?

Can flexible travel dates help on San Francisco to Kolkata flights?

What extra costs should I check before booking San Francisco to Kolkata flights?

Related routes

More routes from San Francisco

Flights to Kolkata from other cities

San Francisco to Kolkata: Overview

Insights for flights from San Francisco to Kolkata

How much is a round trip from San Francisco to Kolkata

The cheapest time to fly from San Francisco to Kolkata

Direct flights from San Francisco to Kolkata

Last-minute flights going from San Francisco to Kolkata

Biggest price drops on these dates for flights from San Francisco to Kolkata

Popular Airports to fly from San Francisco to Kolkata

San Francisco - Kolkata route insights

Recent fares are below the typical level

Fly in May for the best prices

Expect a long-haul journey

Connecting flights are standard

Singapore Airlines offers a recent deal

Deals appear regularly for this route

San Francisco main airports to depart from

Kolkata main airports to arrive at

Airports nearby Kolkata used as alternative

Business & First Class Flight Deals to Kolkata

Best Elite deals to Kolkata

Nov 15

Nov 14

Sep 21

Sep 22

Sep 23

Nov 23

Oct 27

Oct 26

Oct 30

Oct 29

Sep 22

Sep 21

Frequently Asked Questions About Flights to Kolkata

How can I find cheap flights from San Francisco to Kolkata?

When should I book flights from San Francisco to Kolkata?

Should I compare nearby airports for flights from San Francisco to Kolkata?