How long is the flight from Kolkata to San Francisco?

Air India, Virgin Atlantic, and KLM can get you from Kolkata to San Francisco in just under 29h 10m. Your travel time can differ by up to 9h 35m. Kolkata and San Francisco are separated by a distance of 7810 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Kolkata to San Francisco round-trip?

Cheapflights users have booked flights from Kolkata to San Francisco round-trip from $707. Other airlines that can offer you cheap pricing are Air India, from $813, and Qatar Airways, from $980. Users have found that Singapore Airlines is 41% cheaper than the other options available to this destination.

What is the cheapest day to fly from Kolkata to San Francisco?

Travelers seeking maximum savings on their Kolkata to San Francisco flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Kolkata to San Francisco?

Consider Air India, Emirates or Qatar Airways when booking your flight. These represent the most popular airlines when flying from Kolkata to San Francisco.

What is the cheapest day to fly round-trip from Kolkata to San Francisco?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 9%.

How far in advance should I book a flight from Kolkata to San Francisco?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 32 days in advance, which can save you up to 45% on flights from Kolkata to San Francisco compared to booking the week you need them. Waiting 32 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,072. For sooner than that we have options available in the next 3 days from $1,404.

What is the cheapest month to fly from Kolkata to San Francisco?

Our data shows that June tends to be the cheapest month to fly to San Francisco from Kolkata. Users have commonly found prices around $1,206 for the month, but tickets can be as low as $706. Due to multiple factors, prepare for potentially higher prices in August.

What is the cheapest time of day to fly from CCU to SFO?

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.

Can I find deals for flights from Kolkata to San Francisco that include hotel bookings?

Yes. In addition to deals on Kolkata to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to San Francisco.

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.

$453+ Flights from Kolkata to San Francisco

Q: How much does it cost to fly round-trip from Kolkata to San Francisco?

Airfare is below average for this route at the moment. Kolkata to San Francisco flights typically cost between $1,244 and $1,702 in September. The cheapest round-trip price found within the last 3 days was $752 on Air India (Sep 4-Sep 11).

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to San Francisco are usually found in June or October, booked 85 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Kolkata to San Francisco

Round-trip from	$752 (oojo)
One-way from	$453 (oojo)
Popular in	August
Cheapest in	June
Average price	$1,395

From Kolkata Netaji S. Chandra to San Francisco

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One-way flight from Kolkata Netaji S. Chandra to San Francisco

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Highest demand for flights based on searches. 4% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Kolkata to San Francisco

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 August 18, 2025.

Thu 9/43:10 pmCCU - SFO

1 stop39h 20mAir India

Thu 9/1110:00 amSFO - CCU

1 stop22h 00mAir India

Deal found 8/17

$752

Tue 9/93:15 pmCCU - SFO

1 stop38h 45mAir India

Tue 9/1610:00 amSFO - CCU

1 stop25h 00mAir India

Deal found 8/16

$772

Wed 9/247:00 pmCCU - SFO

2 stops37h 00mVirgin Atlantic

Wed 10/84:05 pmSFO - CCU

2 stops28h 30mVirgin Atlantic

Deal found 8/17

$845

Fri 9/128:20 amCCU - SFO

1 stop35h 10mAir India

Sun 9/2110:00 amSFO - CCU

1 stop22h 00mAir India

Deal found 8/16

$876

Thu 9/47:05 pmCCU - SFO

2 stops29h 10mKLM

Thu 9/111:45 pmSFO - CCU

2 stops32h 30mKLM

Deal found 8/17

$882

Mon 9/13:10 pmCCU - SFO

1 stop39h 20mAir India

Mon 9/2210:00 amSFO - CCU

1 stop25h 00mAir India

Deal found 8/16

$898

Wed 9/244:20 pmCCU - SFO

2 stops33h 00mMultiple Airlines

Wed 10/81:45 pmSFO - CCU

2 stops30h 50mMultiple Airlines

Deal found 8/18

$914

Best flights from Kolkata to San Francisco
Discover carefully curated flight deals from Kolkata to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Thu 9/43:10 pmCCU - SFO

1 stop39h 20mAir India

Thu 9/1110:00 amSFO - CCU

1 stop22h 00mAir India

Deal found 8/17

$752

Wed 9/247:00 pmCCU - SFO

2 stops37h 00mVirgin Atlantic

Wed 10/84:05 pmSFO - CCU

2 stops28h 30mVirgin Atlantic

Deal found 8/17

$845

Thu 9/47:05 pmCCU - SFO

2 stops29h 10mKLM

Thu 9/111:45 pmSFO - CCU

2 stops32h 30mKLM

Deal found 8/17

$882

Tue 9/93:15 pmCCU - SFO

1 stop38h 45mAir India

Tue 9/1610:00 amSFO - CCU

1 stop25h 00mAir India

Deal found 8/16

$772

Wed 10/157:05 pmCCU - SFO

2 stops29h 10mKLM

Tue 12/21:55 pmSFO - CCU

2 stops29h 30mKLM

Deal found 8/17

$948

Fri 9/128:20 amCCU - SFO

1 stop35h 10mAir India

Sun 9/2110:00 amSFO - CCU

1 stop22h 00mAir India

Deal found 8/16

$876

Mon 9/13:10 pmCCU - SFO

1 stop39h 20mAir India

Mon 9/2210:00 amSFO - CCU

1 stop25h 00mAir India

Deal found 8/16

$898

Last-minute flights from Kolkata to San Francisco
Discover last-minute flight deals from Kolkata to San Francisco. Data last updated August 18, 2025 and is based on user searches.

Mon 9/13:10 pmCCU - SFO

1 stop39h 20mAir India

Mon 9/2210:00 amSFO - CCU

1 stop25h 00mAir India

Deal found 8/16

$898

Thu 9/43:10 pmCCU - SFO

1 stop39h 20mAir India

Thu 9/1110:00 amSFO - CCU

1 stop22h 00mAir India

Deal found 8/17

$752

Thu 9/47:05 pmCCU - SFO

2 stops29h 10mKLM

Thu 9/111:45 pmSFO - CCU

2 stops32h 30mKLM

Deal found 8/17

$882

Tue 9/93:15 pmCCU - SFO

1 stop38h 45mAir India

Tue 9/1610:00 amSFO - CCU

1 stop25h 00mAir India

Deal found 8/16

$772

Fri 9/128:20 amCCU - SFO

1 stop35h 10mAir India

Sun 9/2110:00 amSFO - CCU

1 stop22h 00mAir India

Deal found 8/16

$876

Wed 9/247:00 pmCCU - SFO

2 stops37h 00mVirgin Atlantic

Wed 10/84:05 pmSFO - CCU

2 stops28h 30mVirgin Atlantic

Deal found 8/17

$845

Wed 9/244:20 pmCCU - SFO

2 stops33h 00mMultiple Airlines

Wed 10/81:45 pmSFO - CCU

2 stops30h 50mMultiple Airlines

Deal found 8/18

$914

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 August 18, 2025.

Tue 9/2312:55 amCCU - SFO

1 stop42h 35mAir India

Deal found 8/17

$453

Mon 10/68:30 pmCCU - SFO

1 stop23h 00mAir India

Deal found 8/18

$454

Mon 9/228:30 pmCCU - SFO

1 stop23h 00mAir India

Deal found 8/16

$463

Tue 10/76:10 pmCCU - SFO

2 stops28h 00mMultiple Airlines

Deal found 8/18

$464

Mon 9/12:35 amCCU - SFO

3 stops30h 35mMultiple Airlines

Deal found 8/16

$473

Wed 10/83:05 pmCCU - SFO

3 stops31h 05mMultiple Airlines

Deal found 8/18

$476

Sat 9/1310:25 amCCU - SFO

1 stop33h 05mAir India

Deal found 8/16

$489

Mon 10/69:15 pmCCU - SFO

2 stops48h 55mMultiple Airlines

Deal found 8/18

$493

Tue 1/138:15 amCCU - SFO

2 stops46h 15mMultiple Airlines

Deal found 8/16

$494

Thu 9/256:45 pmCCU - SFO

1 stop24h 45mAir India

Deal found 8/17

$496

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kolkata to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Thu 9/4

3:10 pm-6:00 pm

1 stop39h 20m

San Francisco

Thu 9/11

10:00 am-8:30 pm

1 stop22h 00m

$752

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Tue 9/9

3:15 pm-5:30 pm

1 stop38h 45m

San Francisco

Tue 9/16

10:00 am-11:30 pm

1 stop25h 00m

$772

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Wed 9/24

7:00 pm-7:30 pm

2 stops37h 00m

San Francisco

Wed 10/8

4:05 pm-9:05 am

2 stops28h 30m

$845

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Fri 9/12

8:20 am-7:00 am

1 stop35h 10m

San Francisco

Sun 9/21

10:00 am-8:30 pm

1 stop22h 00m

$876

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Thu 9/4

7:05 pm-11:45 am

2 stops29h 10m

San Francisco

Thu 9/11

1:45 pm-10:45 am

2 stops32h 30m

$882

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Mon 9/1

3:10 pm-6:00 pm

1 stop39h 20m

San Francisco

Mon 9/22

10:00 am-11:30 pm

1 stop25h 00m

$898

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Wed 10/15

7:05 pm-11:45 am

2 stops29h 10m

San Francisco

Tue 12/2

1:55 pm-8:55 am

2 stops29h 30m

$948

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Tue 10/7

9:20 pm-7:00 am

1 stop22h 10m

$453

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Tue 9/23

12:55 am-7:00 am

1 stop42h 35m

$453

KolkataSan Francisco

CCU - SFO

CCUSFO

Kolkata Netaji S. Chandra

Mon 10/6

8:30 pm-7:00 am

1 stop23h 00m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 16 results

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 round-trip 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

How far ahead should I book a flight from Kolkata to San Francisco?

The price you pay for your flight from Kolkata to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Kolkata to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Kolkata to San Francisco (average of $276). Flying from Kolkata to San Francisco in June is currently the most expensive (average of $358). 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.

How much does it cost to fly round-trip from Kolkata to San Francisco?

Reviews of airlines servicing San Francisco

Peruse reviews from past customers who have flown with Emirates, Singapore Airlines, and Qatar Airways from Kolkata to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Emirates

8.1

Very good

3,315 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Emirates

8.1

Very good

3,315 reviews

Emirates

8.1

Very good

3,315 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Singapore Airlines

8.1

Very good

1,347 reviews

Emirates

8.1

Very good

3,315 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Qatar Airways

7.4

Good

3,609 reviews

Emirates

8.1

Very good

3,315 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Air India

5.5

Fair

2,929 reviews

Emirates

8.1

Very good

3,315 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Related info for your journey

How long is the flight from Kolkata to San Francisco?
Air India, Virgin Atlantic, and KLM can get you from Kolkata to San Francisco in just under 29h 10m. Your travel time can differ by up to 9h 35m. Kolkata and San Francisco are separated by a distance of 7810 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Kolkata to San Francisco round-trip?
Cheapflights users have booked flights from Kolkata to San Francisco round-trip from $707. Other airlines that can offer you cheap pricing are Air India, from $813, and Qatar Airways, from $980. Users have found that Singapore Airlines is 41% cheaper than the other options available to this destination.
Can I find deals for flights from Kolkata to San Francisco that include hotel bookings?
Yes. In addition to deals on Kolkata to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kolkata to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to San Francisco.
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, January is the cheapest month in which you can book a flight from Kolkata to San Francisco (average of $276). Flying from Kolkata to San Francisco in June is currently the most expensive (average of $358). 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.

See more FAQs

Roseville

Santa Cruz

Livermore

South San Francisco

Mountain View

Turlock

Santa Clara

Hollister

Antioch

Watsonville

Manteca

Sunnyvale

Newark

Milpitas

Campbell

Foster City

San Leandro

Burlingame

Redwood City

Vallejo

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Kolkata to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$707	Average$1,153	FlexibilityNo cancel fee	On-time81%
Air India	Cheapest$813	Average$1,022	FlexibilityNo cancel fee	On-timeN/A
Qatar Airways	Cheapest$980	Average$1,212	FlexibilityNo cancel fee	On-time68%
Emirates	Cheapest$1,141	Average$1,279	FlexibilityNo cancel fee	On-time75%

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$453+ Cheap flights from Kolkata (CCU) to San Francisco (SFO)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kolkata to San Francisco with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to San Francisco are usually found in June or October, booked 85 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Kolkata to San Francisco

Round-trip from

One-way from

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Cheapest in

Average price

Find flight deals from Kolkata to San Francisco

Cheapest flights from Kolkata to San FranciscoExplore 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 August 18, 2025.

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 August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kolkata to San Francisco that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Kolkata to San Francisco

How far ahead should I book a flight from Kolkata to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Kolkata to San Francisco. Price data was last updated on August 8, 2025.

What is the cheapest month to book a flight from Kolkata to San Francisco?

How much does it cost to fly round-trip from Kolkata to San Francisco?

Reviews of airlines servicing San Francisco

Peruse reviews from past customers who have flown with Emirates, Singapore Airlines, and Qatar Airways from Kolkata to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from Kolkata to San Francisco round-trip?

Can I find deals for flights from Kolkata to San Francisco that include hotel bookings?

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

Can I find deals for business class flights from Kolkata to San Francisco?

What is the cheapest month to book a flight from Kolkata to San Francisco?

Traveling to a place near San Francisco?

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Alternative routes for Kolkata to San Francisco

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Top 4 airlines flying from Kolkata to San Francisco

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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 August 18, 2025.