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

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most economical choice. Flights with connections can sometimes be significantly cheaper, so it's worth comparing both types of itineraries to find the best value.

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

Yes, being flexible with your travel dates can often lead to finding more affordable flight options. Prices for flights can vary significantly depending on the day of the week or time of year. Adjusting your departure or return by a few days may result in notable savings.

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

Before booking, 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. Understanding these additional expenses helps you calculate the true total cost of your trip.

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

San Francisco

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

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from San Francisco to Kolkata

Explore current cheapest deals departing from San Francisco to Kolkata

2026-11-12 – 2026-11-20
SFO - Kolkata
89% AI deal score
$1,137
$864
Round trip
2026-08-06 – 2026-08-21
SFO - Kolkata
88% AI deal score
$1,175
$871
Round trip
2026-10-12 – 2026-10-26
SFO - Kolkata
81% AI deal score
$1,122
$962
Round trip
2026-10-08 – 2026-10-22
SFO - Kolkata
81% AI deal score
$1,115
$994
Round trip
2026-08-12 – 2026-08-27
SFO - Kolkata
81% AI deal score
$1,172
$1,002
Round trip
2026-10-08 – 2026-10-25
SFO - Kolkata
80% AI deal score
$1,112
$1,005
Round trip
2026-08-12 – 2026-08-19
SFO - Kolkata
87% AI deal score
$1,249
$1,010
Round trip
2026-09-07 – 2026-09-23
SFO - Kolkata
80% AI deal score
$1,083
$1,011
Round trip
2026-10-09 – 2026-10-25
SFO - Kolkata
79% AI deal score
$1,120
$1,042
Round trip
2026-08-26 – 2026-09-24
SFO - Kolkata
79% AI deal score
$1,129
$1,047
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 is a significant travel time, reflecting the long-haul nature of the route and the necessity of multiple stops. Given that most itineraries on this route involve connecting flights, travelers should factor in these longer durations when planning their trip.

For travelers looking for cheap flights from San Francisco to Kolkata, fares typically range from $1481–$1957, with a median of $1611. Right now, current fares are significantly below the typical level. However, 0% of recent fares were classified as a good price, indicating that finding exceptional deals can be challenging despite the current lower prices. New deals show up several times a week, so consistent monitoring can be beneficial.

When is the cheapest time to fly from San Francisco to Kolkata? You'll find the most affordable median fares in May, with prices around $605. April also offers lower median fares at $738, followed by October with a median of $803. These months present the best opportunities for more budget-friendly travel on this route.

Most itineraries from San Francisco to Kolkata connect at least once, with 0% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 3. This means you should expect to make multiple connections on your journey, which contributes to the extended travel times.

The distance between San Francisco and Kolkata is approximately 12,577 kilometers. This classifies the route as a long-haul journey, which typically involves extended flight times and often requires multiple connections due to the vast distance covered.

How much is a round trip from San Francisco to Kolkata

Regular price: $952 - $1,709

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

The regular price range for flights from San Francisco to Kolkata is typically between $952 and $1709. The current lowest deal is $813 via kayak, for travel from Sep 12-Oct 2.

now $813

Low $952

High $1,709

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

Singapore Airlines

Qatar Airways

Turkish Airlines

China Eastern Airlines

Last-minute flights going from San Francisco to Kolkata

Sun, Aug 2

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

EVA Air

$1,330

$1,319

One-way

Mon, Aug 3

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

Korean Air

$1,223

$1,157

One-way

Wed, Aug 5

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Airlines

$1,191

$1,129

One-way

Fri, Aug 7

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Southern Airlines

$1,210

$1,173

One-way

Fri, Aug 7

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Airlines

$1,218

$1,199

One-way

Sat, Aug 8

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Eastern Airlines

$1,175

$924

One-way

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

6 nights

Aug 24 - Aug 30

$1,239 → $852

31%

5 nights

Sep 23 - Sep 28

$1,163 → $861

26%

6 nights

Sep 22 - Sep 28

$1,133 → $861

24%

15 nights

Sep 17 - Oct 2

$1,077 → $813

25%

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 at $813.

📅 Best time to fly

May is historically cheapest at $605

Historically, May is the cheapest month to fly from SFO to CCU, with a median price of $605.

⏱️ Flight duration

Expect 61h 25m of travel time

Flights from San Francisco to Kolkata typically take 61h 25m, with 3 stopovers.

✈️ Airlines & availability

Connecting flights only

There are no direct flights from San Francisco to Kolkata; connecting flights are available.

🏆 Airline highlight

Singapore Airlines offers 22 deals

Singapore Airlines has historically offered 22 deals for connecting flights on this route.

🎯 Booking tip

Deals appear regularly

Deals for flights from San Francisco to Kolkata appear regularly, about once a month.

San Francisco main airports to depart from

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a good option for flights to Kolkata, often offering competitive prices.

📍 ~20 km from San Francisco city center (reachable by car or public transport)

💸 Flights from ~$764

Kolkata main airports to arrive at

Netaji Subhas Chandra Bose International (CCU)

Cheapest

Arrive at Kolkata for direct access to the city and surrounding areas from San Francisco.

📍 ~15 km from city center (reachable by car)

💸 Flights from ~$764

Airports nearby Kolkata used as alternative

Kazi Nazrul Islam (RDP)

Kazi Nazrul Islam Airport can be a useful alternative, especially for domestic travel within West Bengal.

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

💸 Flights from ~$1,095

Business & First Class Flight Deals to Kolkata

82% AI deal score

$6,799

$5,563

Save $1,236

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 you discover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance often provides more options and potentially lower prices, especially for international routes. However, last-minute deals can sometimes appear, though they are less common. It's generally advisable to monitor prices over a period before committing.

Comparing nearby airports can sometimes reveal alternative flight options or more competitive pricing. While it may add to your ground travel time, the potential savings could make it a worthwhile consideration. Always factor in the total cost and convenience when evaluating this option.

Related routes

More routes from San Francisco

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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: $952 - $1,709

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

The regular price range for flights from San Francisco to Kolkata is typically between $952 and $1709. The current lowest deal is $813 via kayak, for travel from Sep 12-Oct 2.

now $813

Low $952

High $1,709

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

Singapore Airlines

Qatar Airways

Turkish Airlines

China Eastern Airlines

Last-minute flights going from San Francisco to Kolkata

Sun, Aug 2

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

EVA Air

$1,330

$1,319

One-way

Mon, Aug 3

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

Korean Air

$1,223

$1,157

One-way

Wed, Aug 5

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Airlines

$1,191

$1,129

One-way

Fri, Aug 7

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Southern Airlines

$1,210

$1,173

One-way

Fri, Aug 7

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Airlines

$1,218

$1,199

One-way

Sat, Aug 8

⌛ Last-Minute

SFO - Kolkata

San Francisco (SFO) - Kolkata (CCU)

China Eastern Airlines

$1,175

$924

One-way

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

6 nights

Aug 24 - Aug 30

$1,239 → $852

31%

5 nights

Sep 23 - Sep 28

$1,163 → $861

26%

6 nights

Sep 22 - Sep 28

$1,133 → $861

24%

15 nights

Sep 17 - Oct 2

$1,077 → $813

25%

Popular Airports to fly from San Francisco to Kolkata